pdSbkp7F

1bit.ly/codeperfectmcc
2
3https://pastebin.com/raw/3ura0CKN
4
5
6
7
8Online editor: sandbox
9
10https://shift.infinite.red/getting-started-with-react-native-development-on-windows-90d85a72ae65
11react-native init AwesomeProject
12react-native run-android
13react-native start
14
15
16How to start React Experiment
17● Open Terminal
18● Write command expo init Navigation
19● Choose template Blank
20● Write the name of your app
21● cd Navigation
22● npm start
23● Now go to the Navigation folder , App.js file would already be there
24● Edit App.js using any text editor
25
26REACT NATIVE : GUI COMPONENTS / LOGIN SCREEN
27App.js 	
28import React from 'react';
29import { StyleSheet, Text, View , TextInput, TouchableOpacity} from 'react-native';
30export default function App() {
31return (
32<View style={styles.container}>
33<Text style={styles.textLogin}>Login to My App</Text>
34<TextInput
35style={styles.input}
36placeholder="Username"/>
37<TextInput
38style={styles.input}
39placeholder="Password"
40secureTextEntry/>
41<View style={styles.btnContainer}>
42<TouchableOpacity style={styles.usrBtn}
43onPress={()=>alert("Login works")}>
44<Text style={styles.btnText}>Login</Text>
45</TouchableOpacity>
46<TouchableOpacity style={styles.usrBtn}>
47<Text style={styles.btnText}
48onPress={()=>alert("SignUp works")}>SignUp</Text>
49</TouchableOpacity>
50</View>
51</View>
52);
53}
54const styles = StyleSheet.create({
55container: {
56flex: 1,
57backgroundColor: '#bfe',
58alignItems: 'center',
59justifyContent: 'center',
60marginBottom:20,
61fontSize:20,
62},
63input:{
64width:"90%",
65backgroundColor:"#fff",
66marginBottom:10,
67padding:15,
68},
69textLogin:{
70marginBottom:10,
71fontSize:15,
72},
73usrBtn:{
74backgroundColor:"#55D7",
75justifyContent:"center",
76width:"45%",
77padding:15,
78},
79btnContainer:{
80flexDirection:"row",
81justifyContent:"space-between",
82width:"90%"
83},
84btnText:{
85textAlign:"center",
86fontSize:15,
87}
88});
89
90
91
92REACT NATIVE:NAVIGATION
93App.js
94import { createAppContainer } from "react-navigation";
95import { createStackNavigator } from "react-navigation-stack";
96import HomeScreen from "./HomeScreen";
97import Page1 from "./Page1";
98import Page2 from "./Page2";
99const navigator = createStackNavigator(
100{
101Home: HomeScreen,
102Page1: Page1,
103Page2: Page2
104},
105{
106initialRouteName: "Home",
107defaultNavigationOptions: {
108title: "App"
109}
110}
111);
112export default createAppContainer(navigator);
113
114
115Page1.js
116import React from "react";
117import { Text, StyleSheet, View } from "react-native";
118function Page1() {
119return (
120<View style={styles.viewStyle}>
121<Text style={styles.textStyle}>Welcome to Page 1</Text>
122</View>
123);
124}
125const styles = StyleSheet.create({
126viewStyle: {
127alignItems: "center",
128flex: 1,
129justifyContent: "center"
130},
131textStyle: {
132fontSize: 30
133}
134});
135export default Page1;
136
137Page2.js
138import React from "react";
139import { Text, StyleSheet, View } from "react-native";
140function Page2() {
141return (
142<View style={styles.viewStyle}>
143<Text style={styles.textStyle}>Welcome to Page 2</Text>
144</View>
145);
146}
147const styles = StyleSheet.create({
148viewStyle: {
149alignItems: "center",
150flex: 1,
151justifyContent: "center"
152},
153textStyle: {
154fontSize: 30
155}
156});
157export default Page2;
158
159
160ANDROID 1. : READ AND WRITE FROM EXTERNAL STORAGE:
161Give permissions after installing apk in your phone
162Mainactivity.xml
163<?xml version= "1.0" encoding= "utf-8" ?>
164<LinearLayout
165xmlns:android = "http://schemas.android.com/apk/res/android"
166xmlns:app="http://schemas.android.com/apk/res-auto"
167xmlns:tools = "http://schemas.android.com/tools"
168android:layout_width= "match_parent"
169android:layout_height= "match_parent"
170android:orientation= "vertical"
171tools:context= ".MainActivity" >
172<EditText
173   android:id= "@+id/etData"
174   android:layout_width= "match_parent"
175   android:layout_height= "wrap_content"
176   android:ems= "10"
177   android:inputType= "textPersonName"
178   android:text= ""
179   android:hint= "Enter Data" />
180<Button
181   android:id= "@+id/btnWrite"
182   android:layout_width= "match_parent"
183   android:layout_height= "wrap_content"
184   android:text= "Write" />
185<Button
186   android:id= "@+id/btnRead"
187   android:layout_width= "match_parent"
188   android:layout_height= "wrap_content"
189   android:text= "Read" />
190<TextView
191   android:id= "@+id/tvData"
192   android:layout_width= "match_parent"
193   android:layout_height= "wrap_content"
194   android:text= "" />
195</LinearLayout >
196
197
198MainActivity.java:(Note only highlighted part)
199package com.example.a1extstorage;
200import android.support.v7.app.AppCompatActivity;
201import android.os.Bundle;
202import android.view.View;
203import android.widget.Button;
204import android.widget.EditText;
205import android.widget.TextView;
206import android.widget.Toast;
207import java.io.BufferedReader;
208import java.io.File;
209import java.io.FileInputStream;
210import java.io.FileNotFoundException;
211import java.io.FileOutputStream;
212import java.io.IOException;
213import java.io.InputStreamReader;
214public class MainActivity extends AppCompatActivity {
215   EditText etData ;
216   Button btnRead , btnWrite ;
217   TextView tvData ;
218
219   @Override
220   protected void onCreate(Bundle savedInstanceState) {
221       super .onCreate(savedInstanceState);
222       setContentView(R.layout. activity_main );
223       etData =(EditText)findViewById(R.id. etData );
224       btnRead =(Button)findViewById(R.id. btnRead );
225       btnWrite =(Button)findViewById(R.id. btnWrite );
226       tvData =(TextView)findViewById(R.id. tvData );
227       btnWrite .setOnClickListener( new View.OnClickListener() {
228           @Override
229           public void onClick(View v) {
230               String msg= etData .getText().toString();
231               try {
232                   File f= new File( "/sdcard/myfile.txt" );
233                   f.createNewFile();
234                   FileOutputStream fout= new FileOutputStream(f);
235                   fout.write(msg.getBytes());
236                   fout.close();
237
238                   Toast. makeText (getBaseContext(), "DATA INSERTED" ,Toast. LENGTH_SHORT ).show();
239                   etData .setText( "" );
240               } catch (IOException e) {
241                   e.printStackTrace();
242               }
243           }
244       });
245       btnRead .setOnClickListener( new View.OnClickListener() {
246           @Override
247           public void onClick(View v) {
248               String line;
249               StringBuffer sb= new StringBuffer();
250               try {
251                   FileInputStream fis= new FileInputStream( "/sdcard/myfile.txt" );
252                   InputStreamReader isr= new InputStreamReader(fis);
253                   BufferedReader br= new BufferedReader(isr);
254                   while ((line=br.readLine())!= null ){
255                       sb.append(line+ "\n" );
256                   }
257                   tvData .setText( "The text in the file is: \n " +sb.toString());
258                   br.close();
259               } catch (FileNotFoundException e) {
260                   e.printStackTrace();
261               } catch (IOException e) {
262                   e.printStackTrace();
263               }
264           }
265       });
266   }
267}
268
269AndroidManifest.xml:(Add these 2 lines)
270<uses-permission android:name= "android.permission.READ_EXTERNAL_STORAGE" />
271<uses-permission android:name= "android.permission.WRITE_EXTERNAL_STORAGE" />
272
273
274ANDROID : GPS
275Give permissions after installing apk in your phone
276MainActivity.xml:
277<?xml version= "1.0" encoding= "utf-8" ?>
278<LinearLayout xmlns:android = "http://schemas.android.com/apk/res/android"
279xmlns:app = "http://schemas.android.com/apk/res-auto"
280xmlns:tools = "http://schemas.android.com/tools"
281android:layout_width= "match_parent"
282android:layout_height= "match_parent"
283tools:context= ".MainActivity"
284android:orientation= "vertical"
285   >
286<TextView
287   android:id= "@+id/tvInfo"
288   android:layout_width= "match_parent"
289   android:layout_height= "wrap_content"
290   android:text= "" />
291<Button
292   android:id= "@+id/btnShare"
293   android:layout_width= "match_parent"
294   android:layout_height= "wrap_content"
295   android:text= "Share" />
296</LinearLayout >
297
298
299
300
301MainActivity.java:
302package com.example.locationmcc;
303import android.Manifest;
304import android.content.Intent;
305import android.content.pm.PackageManager;
306import android.location.Address;
307import android.location.Geocoder;
308import android.location.Location;
309import android.support.annotation. NonNull ;
310import android.support.annotation. Nullable ;
311import android.support.v4.app.ActivityCompat;
312import android.support.v7.app.AppCompatActivity;
313import android.os.Bundle;
314import android.view.View;
315import android.widget.Button;
316import android.widget.TextView;
317import android.widget.Toast;
318import com.google.android.gms.common.ConnectionResult;
319import com.google.android.gms.common.api.GoogleApiClient;
320import com.google.android.gms.common.api.GoogleApiClient.ConnectionCallbacks;
321import com.google.android.gms.common.api.GoogleApiClient.OnConnectionFailedListener;
322import com.google.android.gms.location.LocationServices;
323import java.io.IOException;
324import java.util.List;
325import java.util.Locale;
326public class MainActivity extends AppCompatActivity implements
327GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener {
328TextView tvInfo ;
329Button btnShare ;
330GoogleApiClient gac ;
331Location loc ;
332@Override
333protected void onCreate(Bundle savedInstanceState) {
334super .onCreate(savedInstanceState);
335setContentView(R.layout. activity_main );
336tvInfo = findViewById(R.id. tvInfo );
337btnShare = findViewById(R.id. btnShare );
338GoogleApiClient.Builder builder = new GoogleApiClient.Builder( this );
339builder.addApi(LocationServices. API );
340builder.addConnectionCallbacks( this );
341builder.addOnConnectionFailedListener( this );
342gac = builder.build();
343btnShare .setOnClickListener( new View.OnClickListener() {
344@Override
345public void onClick(View view) {
346Intent i = new Intent(Intent. ACTION_SEND );
347i.setType( "text/plain" );
348i.putExtra(Intent. EXTRA_TEXT , "My address is: " +
349tvInfo .getText().toString());
350startActivity(i);
351}
352});
353}
354@Override
355protected void onStart() {
356super .onStart();
357if ( gac != null )
358gac .connect();
359}
360@Override
361protected void onStop() {
362super .onStop();
363if ( gac != null ) {
364gac .disconnect();
365//btnShare.setEnabled(false);
366}
367}
368@Override
369public void onPointerCaptureChanged( boolean hasCapture) {
370}
371@Override
372public void onConnectionFailed( @NonNull ConnectionResult connectionResult) {
373Toast. makeText ( this , "Connection Failed" , Toast. LENGTH_SHORT ).show();
374}
375@Override
376public void onConnected( @Nullable Bundle bundle) {
377if (ActivityCompat. checkSelfPermission ( this ,
378android.Manifest.permission. ACCESS_FINE_LOCATION ) != PackageManager. PERMISSION_GRANTED
379&& ActivityCompat. checkSelfPermission ( this ,
380android.Manifest.permission. ACCESS_COARSE_LOCATION ) !=
381PackageManager. PERMISSION_GRANTED ) {
382return ;
383}
384loc = LocationServices. FusedLocationApi .getLastLocation( gac );
385if ( loc != null ){
386double lat = loc .getLatitude();
387double lon = loc .getLongitude();
388tvInfo .setText( "Latitude: " + lat+ " Longitude: " + lon);
389Geocoder g = new Geocoder( this , Locale. ENGLISH );
390try {
391List<android.location.Address> la = g.getFromLocation(lat, lon, 1 );
392//number of results = 1
393android.location.Address add = la.get( 0 );
394String msg = add.getCountryName() + " " +
395add.getAdminArea() + " " +
396add.getSubAdminArea() + " " +
397add.getLocality() + " " +
398add.getSubLocality() + " " +
399add.getThoroughfare() + " " +
400add.getSubThoroughfare() + " " +
401add.getPostalCode();
402tvInfo .setText(msg);
403} catch (IOException e) {
404e.printStackTrace();
405}
406}
407else {
408tvInfo .setText( "Please enable GPS" );
409}
410}
411@Override
412public void onConnectionSuspended( int i) {
413Toast. makeText ( this , "Connection Suspended " + CAUSE_NETWORK_LOST ,
414Toast. LENGTH_SHORT ).show();
415}
416}
417
418
419AndroidManifest.xml:
420<?xml version="1.0" encoding="utf-8"?>
421<manifest xmlns:android="http://schemas.android.com/apk/res/android"
422package="com.example.locationmcc">
423<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
424<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
425<uses-permission android:name="android.permission.INTERNET"/>
426<application
427android:allowBackup="true"
428android:icon="@mipmap/ic_launcher"
429android:label="@string/app_name"
430android:roundIcon="@mipmap/ic_launcher_round"
431android:supportsRtl="true"
432android:theme="@style/AppTheme">
433<activity android:name=".MainActivity">
434<intent-filter>
435<action android:name="android.intent.action.MAIN" />
436<category android:name="android.intent.category.LAUNCHER" />
437</intent-filter>
438</activity>
439<meta-data
440android:name="com.google.android.geo.API_KEY"
441android:value=" YOUR KEY HERE "/>
442</application>
443</manifest>
444
445
446
447Keys:
448AIzaSyAO3_hKnEITOoGmMb67sCA5d-CDp4Ad80I
449
450
451Gradle:
452(Add this line)
453implementation 'com.google.android.gms:play-services:12.0.1'
454
455
456ANDROID : CALCULATOR 
457
458Activity_main.xml
459<?xml version= "1.0" encoding= "utf-8" ?>
460<android.support.constraint.ConstraintLayout
461xmlns:android = "http://schemas.android.com/apk/res/android"
462xmlns:app = "http://schemas.android.com/apk/res-auto"
463xmlns:tools = "http://schemas.android.com/tools"
464android:layout_width= "match_parent"
465android:layout_height= "match_parent"
466tools:context= ".MainActivity" >
467
468   <TextView
469       android:id="@+id/operand1"
470       android:layout_width="wrap_content"
471       android:layout_height="wrap_content"
472       android:layout_marginStart="8dp"
473       android:layout_marginLeft="8dp"
474       android:layout_marginTop="76dp"
475       android:layout_marginEnd="8dp"
476       android:layout_marginRight="8dp"
477       android:text="Operand 1"
478       app:layout_constraintEnd_toEndOf="parent"
479       app:layout_constraintHorizontal_bias="0.084"
480       app:layout_constraintStart_toStartOf="parent"
481       app:layout_constraintTop_toTopOf="parent" />
482
483   <TextView
484       android:id="@+id/operand2"
485       android:layout_width="wrap_content"
486       android:layout_height="wrap_content"
487       android:layout_marginStart="8dp"
488       android:layout_marginLeft="8dp"
489       android:layout_marginTop="52dp"
490       android:layout_marginEnd="8dp"
491       android:layout_marginRight="8dp"
492       android:text="Operand 2"
493       app:layout_constraintEnd_toEndOf="parent"
494       app:layout_constraintHorizontal_bias="0.084"
495       app:layout_constraintStart_toStartOf="parent"
496       app:layout_constraintTop_toBottomOf="@+id/operand1" />
497
498   <TextView
499       android:id="@+id/operator"
500       android:layout_width="wrap_content"
501       android:layout_height="wrap_content"
502       android:layout_marginStart="8dp"
503       android:layout_marginLeft="8dp"
504       android:layout_marginTop="60dp"
505       android:layout_marginEnd="8dp"
506       android:layout_marginRight="8dp"
507       android:text="Operator"
508       app:layout_constraintEnd_toEndOf="parent"
509       app:layout_constraintHorizontal_bias="0.088"
510       app:layout_constraintStart_toStartOf="parent"
511       app:layout_constraintTop_toBottomOf="@+id/operand2" />
512
513   <EditText
514       android:id="@+id/op1"
515       android:layout_width="wrap_content"
516       android:layout_height="wrap_content"
517       android:layout_marginStart="8dp"
518       android:layout_marginLeft="8dp"
519       android:layout_marginTop="64dp"
520       android:layout_marginEnd="8dp"
521       android:layout_marginRight="8dp"
522       android:ems="10"
523       android:inputType="number"
524       app:layout_constraintEnd_toEndOf="parent"
525       app:layout_constraintHorizontal_bias="0.283"
526       app:layout_constraintStart_toEndOf="@+id/operand1"
527       app:layout_constraintTop_toTopOf="parent" />
528
529   <EditText
530       android:id="@+id/op2"
531       android:layout_width="wrap_content"
532       android:layout_height="wrap_content"
533       android:layout_marginStart="8dp"
534       android:layout_marginLeft="8dp"
535       android:layout_marginTop="24dp"
536       android:layout_marginEnd="8dp"
537       android:layout_marginRight="8dp"
538       android:ems="10"
539       android:inputType="number"
540       app:layout_constraintEnd_toEndOf="parent"
541       app:layout_constraintHorizontal_bias="0.283"
542       app:layout_constraintStart_toEndOf="@+id/operand2"
543       app:layout_constraintTop_toBottomOf="@+id/op1" />
544
545   <Spinner
546       android:id="@+id/op"
547       android:layout_width="wrap_content"
548       android:layout_height="wrap_content"
549       android:layout_marginTop="44dp"
550       android:layout_marginEnd="8dp"
551       android:layout_marginRight="8dp"
552       app:layout_constraintEnd_toEndOf="parent"
553       app:layout_constraintHorizontal_bias="0.467"
554       app:layout_constraintStart_toEndOf="@+id/operator"
555       app:layout_constraintTop_toBottomOf="@+id/op2" />
556
557   <Button
558       android:id="@+id/calc"
559       android:layout_width="wrap_content"
560       android:layout_height="wrap_content"
561       android:layout_marginStart="8dp"
562       android:layout_marginLeft="8dp"
563       android:layout_marginTop="372dp"
564       android:layout_marginEnd="8dp"
565       android:layout_marginRight="8dp"
566       android:text="Calculate"
567       app:layout_constraintEnd_toEndOf="parent"
568       app:layout_constraintHorizontal_bias="0.467"
569       app:layout_constraintStart_toStartOf="parent"
570       app:layout_constraintTop_toTopOf="parent" />
571
572   <TextView
573       android:id="@+id/txtResult"
574       android:layout_width="wrap_content"
575       android:layout_height="wrap_content"
576       android:layout_marginStart="8dp"
577       android:layout_marginLeft="8dp"
578       android:layout_marginTop="64dp"
579       android:layout_marginEnd="8dp"
580       android:layout_marginRight="8dp"
581       android:text="Result"
582       app:layout_constraintEnd_toEndOf="parent"
583       app:layout_constraintHorizontal_bias="0.109"
584       app:layout_constraintStart_toStartOf="parent"
585       app:layout_constraintTop_toBottomOf="@+id/operator" />
586
587   <TextView
588       android:id="@+id/result"
589       android:layout_width="wrap_content"
590       android:layout_height="wrap_content"
591       android:layout_marginTop="64dp"
592       android:layout_marginEnd="8dp"
593       android:layout_marginRight="8dp"
594       android:text="-"
595       app:layout_constraintEnd_toEndOf="parent"
596       app:layout_constraintStart_toEndOf="@+id/txtResult"
597       app:layout_constraintTop_toBottomOf="@+id/op" />
598
599</android.support.constraint.ConstraintLayout>
600
601MainActivty.java
602package com.example.a3_calculator;
603
604import android.support.v7.app.AppCompatActivity;
605import android.os.Bundle;
606import android.util.Log;
607import android.view.View;
608import android.widget.ArrayAdapter;
609import android.widget.Button;
610import android.widget.EditText;
611import android.widget.Spinner;
612import android.widget.TextView;
613import android.widget.Toast;
614public class MainActivity extends AppCompatActivity {
615   Button calc;
616   EditText op1, op2;
617   TextView res;
618   Spinner op;
619   int result;
620   @Override
621   protected void onCreate(Bundle savedInstanceState) {
622       super .onCreate(savedInstanceState);
623       setContentView(R.layout. activity_main );
624       op1 = findViewById(R.id.op1);
625       op2 = findViewById(R.id.op2);
626
627       calc = findViewById(R.id.calc);
628       op = findViewById(R.id.op);
629       res = findViewById(R.id.result);
630
631       String[] operators = new String[]{"+", "-", "*", "/"};
632       ArrayAdapter<String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_spinner_dropdown_item, operators);
633       op.setAdapter(adapter);
634
635           calc.setOnClickListener(new View.OnClickListener() {
636               @Override
637               public void onClick(View v) {
638                   String text = op.getSelectedItem().toString();
639
640
641                       if (op1.getText() == null || op1.getText() == null) {
642                           Toast.makeText(MainActivity.this, "Please enter the operands", Toast.LENGTH_SHORT).show();
643                       } else {
644                           int a = Integer.parseInt(op1.getText().toString());
645                           int b = Integer.parseInt(op2.getText().toString());
646                           if(b==0 && text=="/"){
647                               res.setText("Cannot divide by zero");
648                           }
649                           else{
650                               if (text == "+") {
651                                   result = a + b;
652                               } else if (text == "-") {
653                                   result = a - b;
654                               } else if (text == "*") {
655                                   result = a * b;
656                               } else if (text == "/") {
657                                   result = a / b;
658                               }
659                               Log.i("valcheck",a+"");
660                               Log.i("valcheck",b+"");
661                               Log.i("valcheck",result+"");
662                               res.setText(String.valueOf(result));
663                           }
664
665
666                   }
667               }
668           });
669
670   }
671}
672
673
674
675
676
677ANDROID : CALCULATOR (This code works for one digit numbers only)
678MainActivity.xml:
679<?xml version= "1.0" encoding= "utf-8" ?>
680<android.support.constraint.ConstraintLayout
681xmlns:android = "http://schemas.android.com/apk/res/android"
682xmlns:app = "http://schemas.android.com/apk/res-auto"
683xmlns:tools = "http://schemas.android.com/tools"
684android:layout_width= "match_parent"
685android:layout_height= "match_parent"
686tools:context= ".MainActivity" >
687<EditText
688   android:id= "@+id/output"
689   android:layout_width= "wrap_content"
690   android:layout_height= "wrap_content"
691   android:layout_marginTop= "28dp"
692   android:ems= "10"
693   android:inputType= "textPersonName"
694   android:text= ""
695   app:layout_constraintEnd_toEndOf= "parent"
696   app:layout_constraintStart_toStartOf= "parent"
697   app:layout_constraintTop_toTopOf= "parent" />
698<Button
699   android:id= "@+id/plus"
700   android:layout_width= "0dp"
701   android:layout_height= "44dp"
702   android:layout_marginStart= "16dp"
703   android:layout_marginLeft= "16dp"
704   android:layout_marginEnd= "28dp"
705   android:layout_marginRight= "28dp"
706   android:text= "+"
707   app:layout_constraintBaseline_toBaselineOf= "@+id/minus"
708   app:layout_constraintEnd_toStartOf= "@+id/minus"
709   app:layout_constraintStart_toStartOf= "parent" />
710<Button
711   android:id= "@+id/minus"
712   android:layout_width= "0dp"
713   android:layout_height= "49dp"
714   android:layout_marginTop= "21dp"
715   android:layout_marginEnd= "32dp"
716   android:layout_marginRight= "32dp"
717   android:layout_marginBottom= "36dp"
718   android:text= "-"
719   app:layout_constraintBottom_toTopOf= "@+id/num2"
720   app:layout_constraintEnd_toStartOf= "@+id/mul"
721   app:layout_constraintStart_toEndOf= "@+id/plus"
722   app:layout_constraintTop_toBottomOf= "@+id/output" />
723<Button
724   android:id= "@+id/mul"
725   android:layout_width= "0dp"
726   android:layout_height= "45dp"
727   android:layout_marginEnd= "37dp"
728   android:layout_marginRight= "37dp"
729   android:text= "*"
730   app:layout_constraintBaseline_toBaselineOf= "@+id/minus"
731   app:layout_constraintEnd_toStartOf= "@+id/div"
732   app:layout_constraintStart_toEndOf= "@+id/minus" />
733<Button
734   android:id= "@+id/div"
735   android:layout_width= "0dp"
736   android:layout_height= "0dp"
737   android:layout_marginEnd= "30dp"
738   android:layout_marginRight= "30dp"
739   android:text= "/"
740   app:layout_constraintBottom_toBottomOf= "@+id/mul"
741   app:layout_constraintEnd_toEndOf= "parent"
742   app:layout_constraintStart_toEndOf= "@+id/mul"
743   app:layout_constraintTop_toTopOf= "@+id/mul" />
744<Button
745   android:id= "@+id/num1"
746   android:layout_width= "wrap_content"
747   android:layout_height= "wrap_content"
748   android:layout_marginStart= "16dp"
749   android:layout_marginLeft= "16dp"
750   android:layout_marginTop= "36dp"
751   android:text= "1"
752   app:layout_constraintStart_toStartOf= "parent"
753   app:layout_constraintTop_toBottomOf= "@+id/minus" />
754<Button
755   android:id= "@+id/equal"
756   android:layout_width= "wrap_content"
757   android:layout_height= "wrap_content"
758   android:layout_marginTop= "31dp"
759   android:layout_marginEnd= "30dp"
760   android:layout_marginRight= "30dp"
761   android:text= "="
762   app:layout_constraintEnd_toEndOf= "parent"
763   app:layout_constraintTop_toBottomOf= "@+id/num9" />
764
765<Button
766   android:id= "@+id/num0"
767   android:layout_width= "wrap_content"
768   android:layout_height= "wrap_content"
769   android:layout_marginTop= "24dp"
770   android:text= "0"
771   app:layout_constraintStart_toStartOf= "@+id/num8"
772   app:layout_constraintTop_toBottomOf= "@+id/num8" />
773<Button
774   android:id= "@+id/num8"
775   android:layout_width= "wrap_content"
776   android:layout_height= "wrap_content"
777   android:layout_marginTop= "40dp"
778   android:text= "8"
779   app:layout_constraintStart_toStartOf= "@+id/num5"
780   app:layout_constraintTop_toBottomOf= "@+id/num5" />
781<Button
782   android:id= "@+id/clear"
783   android:layout_width= "wrap_content"
784   android:layout_height= "wrap_content"
785   android:layout_marginStart= "16dp"
786   android:layout_marginLeft= "16dp"
787   android:layout_marginTop= "22dp"
788   android:text= "C"
789   app:layout_constraintStart_toStartOf= "parent"
790   app:layout_constraintTop_toBottomOf= "@+id/num7" />
791<Button
792   android:id= "@+id/num9"
793   android:layout_width= "wrap_content"
794   android:layout_height= "wrap_content"
795   android:layout_marginTop= "33dp"
796   android:layout_marginEnd= "30dp"
797   android:layout_marginRight= "30dp"
798   android:text= "9"
799   app:layout_constraintEnd_toEndOf= "parent"
800   app:layout_constraintTop_toBottomOf= "@+id/num6" />
801<Button
802   android:id= "@+id/num4"
803   android:layout_width= "wrap_content"
804   android:layout_height= "wrap_content"
805   android:layout_marginStart= "16dp"
806   android:layout_marginLeft= "16dp"
807   android:layout_marginTop= "26dp"
808   android:text= "4"
809   app:layout_constraintStart_toStartOf= "parent"
810   app:layout_constraintTop_toBottomOf= "@+id/num1" />
811<Button
812   android:id= "@+id/num7"
813   android:layout_width= "wrap_content"
814   android:layout_height= "wrap_content"
815   android:layout_marginStart= "16dp"
816   android:layout_marginLeft= "16dp"
817   android:layout_marginTop= "40dp"
818   android:text= "7"
819   app:layout_constraintStart_toStartOf= "parent"
820   app:layout_constraintTop_toBottomOf= "@+id/num4" />
821<Button
822   android:id= "@+id/num6"
823   android:layout_width= "wrap_content"
824   android:layout_height= "wrap_content"
825   android:layout_marginTop= "33dp"
826   android:layout_marginEnd= "30dp"
827   android:layout_marginRight= "30dp"
828   android:text= "6"
829   app:layout_constraintEnd_toEndOf= "parent"
830   app:layout_constraintTop_toBottomOf= "@+id/num3" />
831<Button
832   android:id= "@+id/num5"
833   android:layout_width= "wrap_content"
834   android:layout_height= "wrap_content"
835   android:layout_marginTop= "26dp"
836   android:text= "5"
837   app:layout_constraintStart_toStartOf= "@+id/num2"
838   app:layout_constraintTop_toBottomOf= "@+id/num2" />
839<Button
840   android:id= "@+id/num2"
841   android:layout_width= "wrap_content"
842   android:layout_height= "wrap_content"
843   android:layout_marginStart= "37dp"
844   android:layout_marginLeft= "37dp"
845   android:layout_marginTop= "106dp"
846   android:text= "2"
847   app:layout_constraintStart_toStartOf= "@+id/minus"
848   app:layout_constraintTop_toBottomOf= "@+id/output" />
849<Button
850   android:id= "@+id/num3"
851   android:layout_width= "wrap_content"
852   android:layout_height= "wrap_content"
853   android:layout_marginTop= "42dp"
854   android:layout_marginEnd= "30dp"
855   android:layout_marginRight= "30dp"
856   android:text= "3"
857   app:layout_constraintEnd_toEndOf= "parent"
858   app:layout_constraintTop_toBottomOf= "@+id/div" />
859</android.support.constraint.ConstraintLayout >
860
861
862
863MainActivity.java:
864package com.example.calculatormcc;
865import android.support.v7.app.AppCompatActivity;
866import android.os.Bundle;
867import android.view.View;
868import android.widget.Button;
869import android.widget.EditText;
870import android.widget.Toast;
871public class MainActivity extends AppCompatActivity {
872Button num1 , num2 , num3 , num4 , num5 , num6 , num7 , num8 , num9 , num0 , plus , minus ,
873mul , div , equal , clear ;
874EditText output ;
875String curr ;
876int ip1 , ip2 ;
877String op ;
878@Override
879protected void onCreate(Bundle savedInstanceState) {
880super .onCreate(savedInstanceState);
881setContentView(R.layout. activity_main );
882num0 = findViewById(R.id. num0 );
883num1 = findViewById(R.id. num1 );
884num2 = findViewById(R.id. num2 );
885num3 = findViewById(R.id. num3 );
886num4 = findViewById(R.id. num4 );
887num5 = findViewById(R.id. num5 );
888num6 = findViewById(R.id. num6 );
889num7 = findViewById(R.id. num7 );
890num8 = findViewById(R.id. num8 );
891num9 = findViewById(R.id. num9 );
892equal = findViewById(R.id. equal );
893plus = findViewById(R.id. plus );
894minus = findViewById(R.id. minus );
895mul = findViewById(R.id. mul );
896div = findViewById(R.id. div );
897clear = findViewById(R.id. clear );
898output = findViewById(R.id. output );
899//similar function for all
900num0 .setOnClickListener( new View.OnClickListener() {
901@Override
902public void onClick(View v) {
903curr = output .getText().toString();
904curr = curr + '0' ;
905output .setText( curr );
906}
907});
908num1 .setOnClickListener( new View.OnClickListener() {
909@Override
910public void onClick(View view) {
911curr = output .getText().toString();
912curr = curr + '1' ;
913output .setText( curr );
914} });
915num2 .setOnClickListener( new View.OnClickListener() {
916@Override
917public void onClick(View view) {
918curr = output .getText().toString();
919curr = curr + '2' ;
920output .setText( curr );
921}
922});
923num3 .setOnClickListener( new View.OnClickListener() {
924@Override
925public void onClick(View view) {
926curr = output .getText().toString();
927curr = curr + '3' ;
928output .setText( curr );
929}
930});
931num4 .setOnClickListener( new View.OnClickListener() {
932@Override
933public void onClick(View view) {
934curr = output .getText().toString();
935curr = curr + '4' ;
936output .setText( curr );
937}
938});
939num5 .setOnClickListener( new View.OnClickListener() {
940@Override
941public void onClick(View view) {
942curr = output .getText().toString();
943curr = curr + '5' ;
944output .setText( curr );
945}
946});
947num6 .setOnClickListener( new View.OnClickListener() {
948@Override
949public void onClick(View view) {
950curr = output .getText().toString();
951curr = curr + '6' ;
952output .setText( curr );
953}
954});
955num7 .setOnClickListener( new View.OnClickListener() {
956@Override
957public void onClick(View view) {
958curr = output .getText().toString();
959curr = curr + '7' ;
960output .setText( curr );
961}
962});
963num8 .setOnClickListener( new View.OnClickListener() {
964@Override
965public void onClick(View view) {
966curr = output .getText().toString();
967curr = curr + '8' ;
968output .setText( curr );
969}
970});
971num9 .setOnClickListener( new View.OnClickListener() {
972@Override
973public void onClick(View view) {
974curr = output .getText().toString();
975curr = curr + '9' ;
976output .setText( curr );
977}
978});
979plus .setOnClickListener( new View.OnClickListener() {
980@Override
981public void onClick(View view) {
982curr = output .getText().toString();
983curr = curr + '+' ;
984output .setText( curr );
985}
986});
987minus .setOnClickListener( new View.OnClickListener() {
988@Override
989public void onClick(View view) {
990curr = output .getText().toString();
991curr = curr + '-' ;
992output .setText( curr );
993}
994});
995mul .setOnClickListener( new View.OnClickListener() {
996@Override
997public void onClick(View view) {
998curr = output .getText().toString();
999curr = curr + '*' ;
1000output .setText( curr );
1001}
1002});
1003div .setOnClickListener( new View.OnClickListener() {
1004@Override
1005public void onClick(View view) {
1006curr = output .getText().toString();
1007curr = curr + '/' ;
1008output .setText( curr );
1009}
1010});
1011clear .setOnClickListener( new View.OnClickListener() {
1012@Override
1013public void onClick(View view) {
1014output .setText( "" );
1015}
1016});
1017equal .setOnClickListener( new View.OnClickListener() {
1018@Override
1019public void onClick(View view) {
1020curr = output .getText().toString();
1021if ( curr .length()> 3 )
1022{
1023Toast. makeText (getApplicationContext(), "Please enter two
1024operands only!" , Toast. LENGTH_LONG ).show();
1025}
1026else
1027{
1028ip1 = Integer. parseInt ( curr .substring( 0 , 1 ));
1029ip2 = Integer. parseInt ( curr .substring( 2 , 3 ));
1030op = curr .substring( 1 , 2 );
1031switch ( op )
1032{
1033case "+" : output .setText( ip1 + ip2 + "" ); break ;
1034case "-" : output .setText( ip1 - ip2 + "" ); break ;
1035case "*" : output .setText( ip1 * ip2 + "" ); break ;
1036case "/" : output .setText( ip1 / ip2 + "" ); break ;
1037}
1038}
1039}
1040});
1041}
1042}
1043
1044
1045ANDROID : PHONEBOOK
1046ActivityMain.xml:
1047<?xml version="1.0" encoding="utf-8"?>
1048<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
1049   xmlns:app="http://schemas.android.com/apk/res-auto"
1050   xmlns:tools="http://schemas.android.com/tools"
1051   android:layout_width="match_parent"
1052   android:layout_height="match_parent"
1053   android:orientation="vertical"
1054   tools:context=".MainActivity" >
1055
1056   <EditText
1057       android:id="@+id/etName"
1058       android:layout_width="match_parent"
1059       android:layout_height="wrap_content"
1060       android:ems="10"
1061       android:inputType="textPersonName"
1062       android:hint="Name" />
1063
1064   <EditText
1065       android:id="@+id/etPhone"
1066       android:layout_width="match_parent"
1067       android:layout_height="wrap_content"
1068       android:ems="10"
1069       android:inputType="phone"
1070       android:hint="Phone Number"/>
1071
1072   <EditText
1073       android:id="@+id/etEmail"
1074       android:layout_width="match_parent"
1075       android:layout_height="wrap_content"
1076       android:ems="10"
1077       android:inputType="textEmailAddress"
1078       android:hint="Email"/>
1079
1080   <EditText
1081       android:id="@+id/etAddress"
1082       android:layout_width="match_parent"
1083       android:layout_height="wrap_content"
1084       android:ems="10"
1085       android:inputType="textPostalAddress"
1086       android:hint="Address"/>
1087
1088   <Button
1089       android:id="@+id/btnAdd"
1090       android:layout_width="match_parent"
1091       android:layout_height="wrap_content"
1092       android:text="Add" />
1093
1094   <Button
1095       android:id="@+id/btnView"
1096       android:layout_width="match_parent"
1097       android:layout_height="wrap_content"
1098       android:text="View Contacts" />
1099
1100</LinearLayout>
1101
1102
1103
1104ActivityView.xml:
1105<?xml version="1.0" encoding="utf-8"?>
1106<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
1107xmlns:app="http://schemas.android.com/apk/res-auto"
1108xmlns:tools="http://schemas.android.com/tools"
1109android:layout_width="match_parent"
1110android:layout_height="match_parent"
1111tools:context=".ViewActivity"
1112android:orientation="vertical">
1113
1114<TextView
1115   android:id="@+id/tvData"
1116   android:layout_width="match_parent"
1117   android:layout_height="wrap_content"
1118   android:text=""
1119   android:scrollbars="vertical"/>
1120</LinearLayout>
1121
1122
1123
1124MainActivity.java:
1125package com.example.a3_phonebook;
1126
1127import android.content.Intent;
1128import android.support.v7.app.AppCompatActivity;
1129import android.os.Bundle;
1130import android.view.View;
1131import android.widget.Button;
1132import android.widget.EditText;
1133import android.widget.Toast;
1134import static android.widget.Toast. makeText ;
1135public class MainActivity extends AppCompatActivity {
1136   static DatabaseHandler dbH ;
1137   EditText etName , etPhone , etAddress , etEmail ;
1138   Button btnAdd , btnView ;
1139   @Override
1140   protected void onCreate(Bundle savedInstanceState) {
1141       super .onCreate(savedInstanceState);
1142       setContentView(R.layout. activity_main );
1143       etAddress =(EditText)findViewById(R.id. etAddress );
1144       etEmail =(EditText)findViewById(R.id. etEmail );
1145       etName =(EditText)findViewById(R.id. etName );
1146       etPhone =(EditText)findViewById(R.id. etPhone );
1147       btnAdd =(Button)findViewById(R.id. btnAdd );
1148       btnView =(Button)findViewById(R.id. btnView );
1149       dbH = new DatabaseHandler( this );
1150       btnAdd .setOnClickListener( new View.OnClickListener() {
1151           @Override
1152           public void onClick(View v) {
1153               String name= etName .getText().toString();
1154               String phone= etPhone .getText().toString();
1155               String email= etEmail .getText().toString();
1156               String address= etAddress .getText().toString();
1157               int check= dbH .addContact(name,phone,email,address);
1158               if (check== 1 ){
1159                   Toast. makeText (MainActivity. this , "CONTACT ADDED" ,Toast. LENGTH_SHORT ).show();
1160                   etAddress .setText( "" );
1161                   etPhone .setText( "" );
1162                   etEmail .setText( "" );
1163                   etName .setText( "" );
1164                   etName .requestFocus();
1165               }
1166               else {
1167                   Toast. makeText (MainActivity. this , "Issues" ,Toast. LENGTH_SHORT ).show();
1168               }
1169           }
1170       });
1171       btnView .setOnClickListener( new View.OnClickListener() {
1172           @Override
1173           public void onClick(View v) {
1174               Intent i= new Intent(MainActivity. this ,ViewActivity. class );
1175               startActivity(i);
1176           }
1177       });
1178   }
1179}
1180
1181
1182
1183ViewActivity.java:
1184package com.example.a3_phonebook;
1185
1186import android.support.v7.app.AppCompatActivity;
1187       import android.os.Bundle;
1188       import android.text.method.ScrollingMovementMethod;
1189       import android.widget.TextView;
1190public class ViewActivity extends AppCompatActivity {
1191   TextView tvData ;
1192   @Override
1193   protected void onCreate(Bundle savedInstanceState) {
1194       super .onCreate(savedInstanceState);
1195       setContentView(R.layout. activity_view );
1196       tvData =(TextView)findViewById(R.id. tvData );
1197       String data=MainActivity. dbH.viewContact();
1198       tvData .setMovementMethod( new ScrollingMovementMethod());
1199       if (data.length()== 0 )
1200           tvData .setText( "No records to show" );
1201       else
1202           tvData .setText(data);
1203   }
1204}
1205
1206
1207
1208
1209
1210DatabaseHandler.java:
1211package com.example.a3_phonebook;
1212
1213import android.content.ContentValues;
1214import android.content.Context;
1215import android.database.Cursor;
1216import android.database.sqlite.SQLiteDatabase;
1217import android.database.sqlite.SQLiteOpenHelper;
1218public class DatabaseHandler extends SQLiteOpenHelper {
1219    SQLiteDatabase db ;
1220    Context context ;
1221    public DatabaseHandler(Context context) {
1222        super (context, "contacts" , null , 1 );
1223        this . context =context;
1224        db = this .getWritableDatabase();
1225    }
1226    @Override
1227    public void onCreate(SQLiteDatabase db) {
1228        db.execSQL( "create table phone(name TEXT,phoneNo text,email text,address text)" );
1229    }
1230    @Override
1231    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
1232    }
1233    public int addContact(String name,String phone,String email,String address){
1234        ContentValues values= new ContentValues();
1235        values.put( "name" ,name);
1236        values.put( "phoneNo" ,phone);
1237        values.put( "email" ,email);
1238        values.put( "address" ,address);
1239        long rid= db .insert( "phone" , null ,values);
1240        if (rid< 0 )
1241            return 0 ;
1242        else
1243            return 1 ;
1244    }
1245    public String viewContact(){
1246        Cursor cursor= db .query( "phone" , new
1247                String[]{ "name" , "phoneNo" , "email" , "address" }, null , null , null , null , null );
1248        StringBuffer sb= new StringBuffer();
1249        cursor.moveToFirst();
1250        if (cursor.getCount()> 0 )
1251            do
1252            {
1253                sb.append( "Name: " +cursor.getString( 0 )+ " \n Phone No: " +cursor.getString( 1 )+ " \n Email: " +cursor.getString( 2 )+ " \n Address: " +cursor.getString( 3 )+ " \n -------------------------------------------- \n " );
1254            } while (cursor.moveToNext());
1255        return sb.toString();
1256    }
1257}
1258
1259ANDROID : TIC TAC TOE
1260Activity_main.xml:
1261<?xml version="1.0" encoding="utf-8"?>
1262<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
1263xmlns:app="http://schemas.android.com/apk/res-auto"
1264xmlns:tools="http://schemas.android.com/tools"
1265android:layout_width="match_parent"
1266android:layout_height="match_parent"
1267android:orientation="vertical"
1268tools:context=".MainActivity">
1269
1270<RelativeLayout
1271   android:layout_width="match_parent"
1272   android:layout_height="wrap_content">
1273
1274   <TextView
1275       android:id="@+id/p1"
1276       android:layout_width="wrap_content"
1277       android:layout_height="wrap_content"
1278       android:text="Player 1:0"
1279       android:textSize="30sp" />
1280
1281   <TextView
1282       android:id="@+id/p2"
1283       android:layout_width="wrap_content"
1284       android:layout_height="wrap_content"
1285       android:layout_below="@+id/p1"
1286       android:text="Player 2:0"
1287       android:textSize="30sp"/>
1288   <Button
1289       android:id="@+id/breset"
1290       android:layout_width="wrap_content"
1291       android:layout_height="wrap_content"
1292       android:text="Reset"
1293       android:layout_alignParentEnd="true"
1294       android:layout_centerVertical="true"
1295       android:layout_marginEnd="33dp"/>
1296</RelativeLayout>
1297<LinearLayout
1298   android:layout_width="match_parent"
1299   android:layout_height="0dp"
1300   android:layout_weight="1">
1301
1302   <Button
1303       android:id="@+id/button_00"
1304       android:layout_width="0dp"
1305       android:layout_height="match_parent"
1306       android:layout_weight="1"
1307       android:textSize="60sp"/>
1308
1309   <Button
1310       android:id="@+id/button_01"
1311       android:layout_width="0dp"
1312       android:layout_height="match_parent"
1313       android:layout_weight="1"
1314       android:textSize="60sp"/>
1315
1316   <Button
1317       android:id="@+id/button_02"
1318       android:layout_width="0dp"
1319       android:layout_height="match_parent"
1320       android:layout_weight="1"
1321       android:textSize="60sp"/>
1322
1323</LinearLayout>
1324
1325<LinearLayout
1326   android:layout_width="match_parent"
1327   android:layout_height="0dp"
1328   android:layout_weight="1">
1329
1330   <Button
1331       android:id="@+id/button_10"
1332       android:layout_width="0dp"
1333       android:layout_height="match_parent"
1334       android:layout_weight="1"
1335       android:textSize="60sp"/>
1336
1337   <Button
1338       android:id="@+id/button_11"
1339       android:layout_width="0dp"
1340       android:layout_height="match_parent"
1341       android:layout_weight="1"
1342       android:textSize="60sp"/>
1343
1344   <Button
1345       android:id="@+id/button_12"
1346       android:layout_width="0dp"
1347       android:layout_height="match_parent"
1348       android:layout_weight="1"
1349       android:textSize="60sp"/>
1350
1351</LinearLayout>
1352
1353<LinearLayout
1354   android:layout_width="match_parent"
1355   android:layout_height="0dp"
1356   android:layout_weight="1">
1357
1358   <Button
1359       android:id="@+id/button_20"
1360       android:layout_width="0dp"
1361       android:layout_height="match_parent"
1362       android:layout_weight="1"
1363       android:textSize="60sp"/>
1364
1365   <Button
1366       android:id="@+id/button_21"
1367       android:layout_width="0dp"
1368       android:layout_height="match_parent"
1369       android:layout_weight="1"
1370       android:textSize="60sp"/>
1371
1372   <Button
1373       android:id="@+id/button_22"
1374       android:layout_width="0dp"
1375       android:layout_height="match_parent"
1376       android:layout_weight="1"
1377       android:textSize="60sp"/>
1378
1379</LinearLayout>
1380
1381</LinearLayout>
1382
1383
1384MainActivity.java
1385package com.example.a4_tictactoe;
1386
1387
1388import android.support.v7.app.AppCompatActivity;
1389import android.os.Bundle;
1390import android.view.View;
1391import android.view.View.OnClickListener;
1392import android.widget.Button;
1393import android.widget.TextView;
1394import android.widget.Toast;
1395
1396public class MainActivity extends AppCompatActivity implements OnClickListener {
1397    private Button[][] buttons = new Button[3][3];
1398
1399    private boolean player1Turn = true;
1400
1401    private int roundCount;
1402
1403    private int player1Points;
1404    private int player2Points;
1405
1406    private TextView textViewPlayer1;
1407    private TextView textViewPlayer2;
1408
1409    @Override
1410    protected void onCreate(Bundle savedInstanceState) {
1411        super.onCreate(savedInstanceState);
1412        setContentView(R.layout.activity_main);
1413        textViewPlayer1 = findViewById(R.id.p1);
1414        textViewPlayer2 = findViewById(R.id.p2);
1415
1416        for (int i = 0; i < 3; i++) {
1417            for (int j = 0; j < 3; j++) {
1418                String buttonID = "button_" + i + j;
1419                int resID = getResources().getIdentifier(buttonID, "id", getPackageName());
1420                buttons[i][j] = findViewById(resID);
1421                buttons[i][j].setOnClickListener(this);
1422            }
1423        }
1424
1425        Button buttonReset = findViewById(R.id.breset);
1426        buttonReset.setOnClickListener(new OnClickListener() {
1427            @Override
1428            public void onClick(View v) {
1429                resetGame();
1430            }
1431        });
1432    }
1433
1434    @Override
1435    public void onClick(View v) {
1436        if (!((Button) v).getText().toString().equals("")) {
1437            return;
1438        }
1439
1440        if (player1Turn) {
1441            ((Button) v).setText("X");
1442        } else {
1443            ((Button) v).setText("O");
1444        }
1445
1446        roundCount++;
1447
1448        if (checkForWin()) {
1449            if (player1Turn) {
1450                player1Wins();
1451            } else {
1452                player2Wins();
1453            }
1454        } else if (roundCount == 9) {
1455            draw();
1456        } else {
1457            player1Turn = !player1Turn;
1458        }
1459
1460    }
1461
1462    private boolean checkForWin() {
1463        String[][] field = new String[3][3];
1464
1465        for (int i = 0; i < 3; i++) {
1466            for (int j = 0; j < 3; j++) {
1467                field[i][j] = buttons[i][j].getText().toString();
1468            }
1469        }
1470
1471        for (int i = 0; i < 3; i++) {
1472            if (field[i][0].equals(field[i][1])
1473                    && field[i][0].equals(field[i][2])
1474                    && !field[i][0].equals("")) {
1475                return true;
1476            }
1477        }
1478
1479        for (int i = 0; i < 3; i++) {
1480            if (field[0][i].equals(field[1][i])
1481                    && field[0][i].equals(field[2][i])
1482                    && !field[0][i].equals("")) {
1483                return true;
1484            }
1485        }
1486
1487        if (field[0][0].equals(field[1][1])
1488                && field[0][0].equals(field[2][2])
1489                && !field[0][0].equals("")) {
1490            return true;
1491        }
1492
1493        if (field[0][2].equals(field[1][1])
1494                && field[0][2].equals(field[2][0])
1495                && !field[0][2].equals("")) {
1496            return true;
1497        }
1498
1499        return false;
1500    }
1501
1502    private void player1Wins() {
1503        player1Points++;
1504        Toast.makeText(this, "Player 1 wins!", Toast.LENGTH_SHORT).show();
1505        updatePointsText();
1506        resetBoard();
1507    }
1508
1509    private void player2Wins() {
1510        player2Points++;
1511        Toast.makeText(this, "Player 2 wins!", Toast.LENGTH_SHORT).show();
1512        updatePointsText();
1513        resetBoard();
1514    }
1515
1516    private void draw() {
1517        Toast.makeText(this, "Draw!", Toast.LENGTH_SHORT).show();
1518        resetBoard();
1519    }
1520
1521    private void updatePointsText() {
1522        textViewPlayer1.setText("Player 1: " + player1Points);
1523        textViewPlayer2.setText("Player 2: " + player2Points);
1524    }
1525
1526    private void resetBoard() {
1527        for (int i = 0; i < 3; i++) {
1528            for (int j = 0; j < 3; j++) {
1529                buttons[i][j].setText("");
1530            }
1531        }
1532
1533        roundCount = 0;
1534        player1Turn = true;
1535    }
1536
1537    private void resetGame() {
1538        player1Points = 0;
1539        player2Points = 0;
1540        updatePointsText();
1541        resetBoard();
1542    }
1543
1544    @Override
1545    protected void onSaveInstanceState(Bundle outState) {
1546        super.onSaveInstanceState(outState);
1547
1548        outState.putInt("roundCount", roundCount);
1549        outState.putInt("player1Points", player1Points);
1550        outState.putInt("player2Points", player2Points);
1551        outState.putBoolean("player1Turn", player1Turn);
1552    }
1553
1554    @Override
1555    protected void onRestoreInstanceState(Bundle savedInstanceState) {
1556        super.onRestoreInstanceState(savedInstanceState);
1557
1558        roundCount = savedInstanceState.getInt("roundCount");
1559        player1Points = savedInstanceState.getInt("player1Points");
1560        player2Points = savedInstanceState.getInt("player2Points");
1561        player1Turn = savedInstanceState.getBoolean("player1Turn");
1562    }
1563}
1564
1565
1566
1567
1568
1569ANDROID: TIMER
1570activity_main.xml
1571<?xml version="1.0" encoding="utf-8"?>
1572<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
1573    android:layout_width="match_parent"
1574    android:layout_height="match_parent"
1575    android:orientation="vertical"
1576    android:padding="10dp">
1577 
1578    <TextView
1579        android:id="@+id/tvCounter"
1580        android:layout_marginTop="150dp"
1581        android:layout_marginBottom="150dp"
1582        android:layout_width="wrap_content"
1583        android:layout_height="wrap_content"
1584        android:gravity="center"
1585        android:layout_gravity="center_horizontal"
1586        android:textSize="60sp"
1587        android:text="00:00:00"
1588        android:textStyle="bold"
1589        android:textColor="#4CAF50"/>
1590 
1591    <EditText
1592        android:id="@+id/etMinutes"
1593        android:layout_width="wrap_content"
1594        android:layout_gravity="center"
1595        android:layout_height="wrap_content"
1596        android:layout_marginLeft="10dp"
1597        android:layout_marginRight="10dp"
1598        android:hint="Enter Minutes!"
1599        android:padding="10dp"
1600        android:maxLength="4"
1601        android:inputType="number"
1602        android:textSize="26sp"
1603        android:gravity="center"
1604        android:textColor="#000000"
1605        android:textColorHint="#9E9E9E" />
1606 
1607    <LinearLayout
1608        android:layout_marginTop="30dp"
1609        android:orientation="horizontal"
1610        android:layout_width="fill_parent"
1611        android:gravity="center"
1612        android:padding="10dp"
1613        android:layout_gravity="center"
1614        android:layout_height="wrap_content">
1615 
1616        <Button
1617            android:id="@+id/btnStartStopTimer"
1618            android:layout_width="wrap_content"
1619            android:layout_height="wrap_content"
1620            android:layout_marginRight="10dp"
1621            android:padding="10dp"
1622            android:background="#009688"
1623            android:textColor="#ffffff"
1624            android:textSize="16sp"
1625            android:text="Start Timer" />
1626 
1627        <Button
1628            android:id="@+id/btnResetTimer"
1629            android:layout_width="wrap_content"
1630            android:layout_height="wrap_content"
1631            android:background="#009688"
1632            android:textColor="#ffffff"
1633            android:textSize="16sp"
1634            android:padding="10dp"
1635            android:layout_marginLeft="10dp"
1636            android:text="Reset Timer" />
1637 
1638    </LinearLayout>
1639 
1640</LinearLayout>
1641
1642
1643MainActivity.java:
1644package com.example.a5_androidtimer;
1645
1646import android.support.v7.app.AppCompatActivity;
1647import android.os.Bundle;
1648import android.os.CountDownTimer;
1649import android.view.View;
1650import android.view.WindowManager;
1651import android.widget.Button;
1652import android.widget.EditText;
1653import android.widget.TextView;
1654import android.widget.Toast;
1655 
1656import java.util.concurrent.TimeUnit;
1657 
1658public class MainActivity extends AppCompatActivity {
1659 
1660    TextView tvCounter;
1661    EditText etMinutes;
1662    Button btnStartStopTimer, btnResetTimer;
1663    private static CountDownTimer countDownTimer;
1664 
1665    @Override
1666    protected void onCreate(Bundle savedInstanceState) {
1667        super.onCreate(savedInstanceState);
1668        setContentView(R.layout.activity_main);
1669 
1670        // Hide status bar
1671        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1672 
1673        // Hide action bar
1674        getSupportActionBar().hide();
1675 
1676        tvCounter = findViewById(R.id.tvCounter);
1677        etMinutes = findViewById(R.id.etMinutes);
1678        btnStartStopTimer = findViewById(R.id.btnStartStopTimer);
1679        btnResetTimer = findViewById(R.id.btnResetTimer);
1680 
1681        btnStartStopTimer.setOnClickListener(new View.OnClickListener() {
1682            @Override
1683            public void onClick(View view) {
1684                if (countDownTimer == null) {
1685                    String getMinutes = etMinutes.getText().toString(); //Get minutes from editText
1686                    //Check validation over editText
1687                    if (!getMinutes.equals("") && getMinutes.length() > 0) {
1688                        int noOfMinutes = Integer.parseInt(getMinutes);
1689                        int milliseconds = noOfMinutes * 60 * 1000; //Convert minutes into milliseconds
1690 
1691                        countDownTimer = new CountDownTimer(milliseconds, 1000) {
1692                            public void onTick(long millisUntilFinished) {
1693                                long millis = millisUntilFinished;
1694                                //Convert milliseconds into hour, minute and seconds
1695                                long hours = TimeUnit.MILLISECONDS.toHours(millis);
1696                                long minutes = TimeUnit.MILLISECONDS.toMinutes(millis) -
1697                                                TimeUnit.HOURS.toMinutes(hours);
1698                                long seconds = TimeUnit.MILLISECONDS.toSeconds(millis) -
1699                                                TimeUnit.MINUTES.toSeconds(minutes);
1700                                String hms = String.format("%02d:%02d:%02d", hours, minutes, seconds);
1701                                tvCounter.setText(hms);
1702                            }
1703 
1704                            public void onFinish() {
1705 
1706                                tvCounter.setText("TIME'S UP!!");
1707                                countDownTimer = null;
1708                                btnStartStopTimer.setText("Start Timer");
1709                            }
1710                        }.start();
1711                        btnStartStopTimer.setText("Stop Timer");//Change Text
1712 
1713                    } else
1714                        Toast.makeText(getApplicationContext(),
1715                                "Please enter no. of Minutes.",
1716                                Toast.LENGTH_SHORT).show();
1717                }
1718                else {
1719                    countDownTimer.cancel();
1720                    countDownTimer = null;
1721                    btnStartStopTimer.setText("Start Timer");
1722                }
1723            }
1724        });
1725 
1726        btnResetTimer.setOnClickListener(new View.OnClickListener() {
1727            @Override
1728            public void onClick(View view) {
1729                if (countDownTimer != null) {
1730                    countDownTimer.cancel();
1731                    countDownTimer = null;
1732                }
1733                btnStartStopTimer.setText("Start Timer");
1734                tvCounter.setText("00:00:00");
1735            }
1736        });
1737    }
1738}
1739 
1740
1741
1742
1743
1744
1745
1746ANDROID : ALARM CLOCK
1747AndroidManifest.xml
1748<?xml version="1.0" encoding="utf-8"?>
1749<manifest xmlns:android="http://schemas.android.com/apk/res/android"
1750   package="com.example.alarmclockmcc">
1751 
1752   <application
1753       android:allowBackup="true"
1754       android:icon="@mipmap/ic_launcher"
1755       android:label="@string/app_name"
1756       android:roundIcon="@mipmap/ic_launcher_round"
1757       android:supportsRtl="true"
1758       android:theme="@style/AppTheme">
1759       <activity android:name=".MainActivity">
1760           <intent-filter>
1761               <action android:name="android.intent.action.MAIN" />
1762 
1763               <category android:name="android.intent.category.LAUNCHER" />
1764           </intent-filter>
1765       </activity>
1766       <receiver android:name=".AlarmReceiver" >
1767       </receiver>
1768 
1769   </application>
1770 
1771</manifest>
1772
1773
1774activity_main.xml
1775<?xml version="1.0" encoding="utf-8"?>
1776<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
1777    android:layout_width="match_parent"
1778    android:layout_height="match_parent"
1779    android:orientation="vertical">
1780 
1781    <TimePicker
1782        android:id="@+id/tpClock"
1783        android:layout_width="wrap_content"
1784        android:layout_height="wrap_content"
1785        android:layout_gravity="center" />
1786 
1787    <ToggleButton
1788        android:id="@+id/togbtnSwitch"
1789        android:layout_width="wrap_content"
1790        android:layout_height="wrap_content"
1791        android:layout_gravity="center"
1792        android:layout_margin="20dp"
1793        android:checked="false"
1794        />
1795 
1796</LinearLayout>
1797MainActivity.java
1798package com.karanmadhu.alarm;
1799 
1800import android.support.v7.app.AppCompatActivity;
1801import android.os.Bundle;
1802import android.app.AlarmManager;
1803import android.app.PendingIntent;
1804import android.content.Intent;
1805import android.os.Bundle;
1806import android.view.View;
1807import android.view.WindowManager;
1808import android.widget.TimePicker;
1809import android.widget.Toast;
1810import android.widget.ToggleButton;
1811 
1812import java.util.Calendar;
1813 
1814public class MainActivity extends AppCompatActivity {
1815 
1816    TimePicker alarmTimePicker;
1817    PendingIntent pendingIntent;
1818    AlarmManager alarmManager;
1819    ToggleButton togbtnSwitch;
1820 
1821    @Override
1822    protected void onCreate(Bundle savedInstanceState) {
1823        super.onCreate(savedInstanceState);
1824        setContentView(R.layout.activity_main);
1825 
1826        // Hide status bar
1827        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
1828 
1829        // Hide action bar
1830        getSupportActionBar().hide();
1831 
1832        alarmTimePicker = findViewById(R.id.tpClock);
1833        alarmManager = (AlarmManager) getSystemService(ALARM_SERVICE);
1834         togbtnSwitch = findViewById(R.id.togbtnSwitch);
1835 
1836        togbtnSwitch.setOnClickListener(new View.OnClickListener() {
1837            @Override
1838            public void onClick(View view) {
1839                long time;
1840                if (((ToggleButton) view).isChecked())
1841                {
1842                    Toast.makeText(getApplicationContext(), "ALARM ON", Toast.LENGTH_SHORT).show();
1843                    Calendar calendar = Calendar.getInstance();
1844                    calendar.set(Calendar.HOUR_OF_DAY, alarmTimePicker.getCurrentHour());
1845                    calendar.set(Calendar.MINUTE, alarmTimePicker.getCurrentMinute());
1846                    Intent intent = new Intent(getApplicationContext(), AlarmReceiver.class);
1847                    pendingIntent = PendingIntent.getBroadcast(getApplicationContext(), 0, intent, 0);
1848 
1849                    time=(calendar.getTimeInMillis()-(calendar.getTimeInMillis()%60000));
1850                    if(System.currentTimeMillis()>time)
1851                    {
1852                        if (calendar.AM_PM == 0)
1853                            time = time + (1000*60*60*12);
1854                        else
1855                            time = time + (1000*60*60*24);
1856                    }
1857                    alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, time, 10000, pendingIntent);
1858                }
1859                else
1860                {
1861                    alarmManager.cancel(pendingIntent);
1862                    Toast.makeText(getApplicationContext(), "ALARM OFF", Toast.LENGTH_SHORT).show();
1863                }
1864            }
1865        });
1866    }
1867}
1868
1869
1870
1871AlarmReceiver.java
1872package com.karanmadhu.alarm;
1873 
1874import android.content.BroadcastReceiver;
1875import android.content.Context;
1876import android.content.Intent;
1877import android.media.Ringtone;
1878import android.media.RingtoneManager;
1879import android.net.Uri;
1880import android.widget.Toast;
1881 
1882public class AlarmReceiver extends BroadcastReceiver
1883{
1884    @Override
1885    public void onReceive(Context context, Intent intent)
1886    {
1887        Toast.makeText(context, "Alarm! Wake up! Wake up!", Toast.LENGTH_LONG).show();
1888        Uri alarmUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_ALARM);
1889        if (alarmUri == null)
1890        {
1891            alarmUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
1892        }
1893        Ringtone ringtone = RingtoneManager.getRingtone(context, alarmUri);
1894        ringtone.play();
1895    }
1896}
1897
1898
1899
1900
1901ANDROID : TRAFFIC LIGHT
1902Activity_main.xml
1903<?xml version="1.0" encoding="utf-8"?>
1904<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
1905    xmlns:app="http://schemas.android.com/apk/res-auto"
1906    android:orientation="vertical"
1907    xmlns:tools="http://schemas.android.com/tools"
1908    android:layout_width="match_parent"
1909    android:layout_height="match_parent"
1910    tools:context=".MainActivity">
1911    <TextView
1912        android:id="@+id/tvWhattodo"
1913        android:layout_width="match_parent"
1914        android:layout_height="wrap_content"
1915        android:textAlignment="center"
1916        android:text="" />
1917    <RadioGroup
1918        android:id="@+id/rgTrafficLight"
1919        android:orientation="vertical"
1920        android:layout_width="match_parent"
1921        android:layout_height="wrap_content" >
1922        <RadioButton
1923            android:id="@+id/rbGreen"
1924            android:layout_width="match_parent"
1925            android:layout_height="wrap_content"
1926            android:text="GREEN" />
1927        <RadioButton
1928            android:id="@+id/rgYellow"
1929            android:layout_width="match_parent"
1930            android:layout_height="wrap_content"
1931            android:text="YELLOW" />
1932        <RadioButton
1933            android:id="@+id/rgRed"
1934            android:layout_width="match_parent"
1935            android:layout_height="wrap_content"
1936            android:text="RED" />
1937    </RadioGroup>
1938    <Button
1939        android:id="@+id/btnGetResults"
1940        android:layout_width="match_parent"
1941        android:layout_height="wrap_content"
1942        android:text="Get Results" />
1943</LinearLayout>
1944
1945
1946
1947
1948MainActivity.java
1949package com.example.trafficlight;
1950import androidx.appcompat.app.AppCompatActivity;
1951import android.graphics.Color;
1952import android.os.Bundle;
1953import android.view.View;
1954import android.widget.Button;
1955import android.widget.RadioButton;
1956import android.widget.RadioGroup;
1957import android.widget.TextView;
1958import android.widget.Toast;
1959public class MainActivity extends AppCompatActivity {
1960    TextView tvWhattodo;
1961    RadioGroup rgTrafficLight;
1962    Button btnGetResults;
1963    @Override
1964    protected void onCreate(Bundle savedInstanceState) {
1965        super.onCreate(savedInstanceState);
1966        setContentView(R.layout.activity_main);
1967        tvWhattodo = findViewById(R.id.tvWhattodo);
1968        rgTrafficLight = findViewById(R.id.rgTrafficLight);
1969        btnGetResults = findViewById(R.id.btnGetResults);
1970        btnGetResults.setOnClickListener(new View.OnClickListener() {
1971            @Override
1972            public void onClick(View view) {
1973                int id = rgTrafficLight.getCheckedRadioButtonId();
1974                RadioButton rb = rgTrafficLight.findViewById(id);
1975                String signal = rb.getText().toString().trim();
1976                if(signal.equals("GREEN")){
1977                    tvWhattodo.setText("GO");
1978                    tvWhattodo.setTextColor(Color.GREEN);
1979                    tvWhattodo.setTextSize(40);
1980                }else if(signal.equals("YELLOW")){
1981                    tvWhattodo.setText("READY");
1982                    tvWhattodo.setTextColor(Color.YELLOW);
1983                    tvWhattodo.setTextSize(30);
1984                }else if(signal.startsWith("RED")){
1985                    tvWhattodo.setText("STOP");
1986                    tvWhattodo.setTextColor(Color.RED);
1987                    tvWhattodo.setTextSize(50);
1988                }
1989            }
1990        });
1991    }
1992}
1993
1994
1995
1996ANDROID : TICTACTOE-METHOD 2
1997activity_main.xml
1998<?xml version="1.0" encoding="utf-8"?>
1999<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
2000   xmlns:app="http://schemas.android.com/apk/res-auto"
2001   xmlns:tools="http://schemas.android.com/tools"
2002   android:layout_width="match_parent"
2003   android:layout_height="match_parent"
2004   android:orientation="vertical"
2005   tools:context=".MainActivity">
2006
2007   <TextView
2008       android:id="@+id/tv1"
2009       android:layout_width="match_parent"
2010       android:textSize="20dp"
2011       android:layout_height="wrap_content"
2012       android:text="Player 1 (X)" />
2013
2014   <TextView
2015       android:id="@+id/tv2"
2016       android:layout_width="match_parent"
2017       android:textSize="20dp"
2018       android:layout_height="wrap_content"
2019       android:text="Player 2 (O)" />
2020
2021   <LinearLayout
2022       android:layout_width="wrap_content"
2023       android:layout_marginTop="50dp"
2024       android:layout_height="wrap_content">
2025
2026
2027       <Button
2028           android:id="@+id/btn00"
2029           android:layout_marginLeft="30dp"
2030           android:layout_width="wrap_content"
2031           android:layout_height="wrap_content"
2032           android:layout_weight="1"
2033           android:text="" />
2034
2035       <Button
2036           android:id="@+id/btn01"
2037           android:layout_marginLeft="30dp"
2038           android:layout_width="wrap_content"
2039           android:layout_height="wrap_content"
2040           android:layout_weight="1"
2041           android:text="" />
2042
2043       <Button
2044           android:id="@+id/btn02"
2045           android:layout_width="wrap_content"
2046           android:layout_marginLeft="30dp"
2047           android:layout_height="wrap_content"
2048           android:layout_weight="1"
2049           android:text="" />
2050   </LinearLayout>
2051   <LinearLayout
2052       android:layout_width="wrap_content"
2053       android:layout_marginTop="50dp"
2054       android:layout_height="wrap_content">
2055
2056
2057       <Button
2058           android:id="@+id/btn10"
2059           android:layout_marginLeft="30dp"
2060           android:layout_width="wrap_content"
2061           android:layout_height="wrap_content"
2062           android:layout_weight="1"
2063           android:text="" />
2064
2065       <Button
2066           android:id="@+id/btn11"
2067           android:layout_marginLeft="30dp"
2068           android:layout_width="wrap_content"
2069           android:layout_height="wrap_content"
2070           android:layout_weight="1"
2071           android:text="" />
2072
2073       <Button
2074           android:id="@+id/btn12"
2075           android:layout_width="wrap_content"
2076           android:layout_marginLeft="30dp"
2077           android:layout_height="wrap_content"
2078           android:layout_weight="1"
2079           android:text="" />
2080   </LinearLayout>
2081   <LinearLayout
2082       android:layout_width="wrap_content"
2083       android:layout_marginTop="50dp"
2084       android:layout_height="wrap_content">
2085
2086
2087       <Button
2088           android:id="@+id/btn20"
2089           android:layout_marginLeft="30dp"
2090           android:layout_width="wrap_content"
2091           android:layout_height="wrap_content"
2092           android:layout_weight="1"
2093           android:text="" />
2094
2095       <Button
2096           android:id="@+id/btn21"
2097           android:layout_marginLeft="30dp"
2098           android:layout_width="wrap_content"
2099           android:layout_height="wrap_content"
2100           android:layout_weight="1"
2101           android:text="" />
2102
2103       <Button
2104           android:id="@+id/btn22"
2105           android:layout_width="wrap_content"
2106           android:layout_marginLeft="30dp"
2107           android:layout_height="wrap_content"
2108           android:layout_weight="1"
2109           android:text="" />
2110   </LinearLayout>
2111</LinearLayout>
2112
2113
2114MainActivity.java
2115package com.example.tictactoeee;
2116
2117import androidx.appcompat.app.AppCompatActivity;
2118
2119import android.os.Bundle;
2120import android.view.View;
2121import android.widget.Button;
2122import android.widget.TextView;
2123import android.widget.Toast;
2124
2125public class MainActivity extends AppCompatActivity implements View.OnClickListener {
2126   TextView tv1,tv2;
2127   private Button [][] btn=new Button[3][3];
2128   private int roundCount=0;
2129   private Boolean player1Tern=true;
2130
2131   @Override
2132   protected void onCreate(Bundle savedInstanceState) {
2133       super.onCreate(savedInstanceState);
2134       setContentView(R.layout.activity_main);
2135       tv1=findViewById(R.id.tv1);
2136       tv2=findViewById(R.id.tv2);
2137       for(int i=0;i<3;i++)
2138       {
2139           for(int j=0;j<3;j++)
2140           {
2141               String id_name="btn"+i+j; //btn_00 ,btn_01,btn_02
2142               int btnId=this.getResources().getIdentifier(id_name,"id",getPackageName());
2143               btn[i][j]=findViewById(btnId); //findViewById(R.id.btn_00);
2144               btn[i][j].setOnClickListener(MainActivity.this);
2145           }
2146       }
2147   }//end of protected
2148   @Override
2149   public void onClick(View v){
2150       if(player1Tern){
2151           ((Button)v).setText("X");
2152           ((Button)v).setEnabled(false);
2153       }
2154       else {
2155           ((Button) v).setText("O");
2156           ((Button) v).setEnabled(false);
2157       }
2158       roundCount++;
2159       if(chechForWin()){
2160           if(player1Tern){
2161               Toast.makeText(this, "Player 1 wins", Toast.LENGTH_SHORT).show();
2162               resertBoard();
2163           }
2164           else{
2165               Toast.makeText(this, "Player 2 wins", Toast.LENGTH_SHORT).show();
2166               resertBoard();
2167           }
2168       } else if(roundCount==9){
2169           Toast.makeText(this, "Draw", Toast.LENGTH_SHORT).show();
2170           resertBoard();
2171       }else {
2172           player1Tern = !player1Tern;
2173           }
2174       }//end of onClick
2175       private void resertBoard(){
2176           for(int i=0;i<3;i++){
2177               for (int j=0;j<3;j++){
2178                   btn[i][j].setText("");
2179                   btn[i][j].setEnabled(true);
2180               }
2181           }
2182           roundCount=0;
2183           player1Tern=true;
2184       }//end of resertBoard
2185       private boolean chechForWin() {
2186           String field[][] = new String[3][3];
2187           for (int i = 0; i < 3; i++) {
2188               for (int j = 0; j < 3; j++) {
2189                   field[i][j] = btn[i][j].getText().toString();
2190               }
2191           }
2192           //for rows
2193           for (int i = 0; i < 3; i++) {
2194               if (field[i][0].equals(field[i][1]) && field[i][0].equals(field[i][2]) && !(field[i][0].equals(""))) {
2195                   return true;
2196               }
2197           }
2198           //for column
2199           for (int i = 0; i < 3; i++) {
2200               if (field[0][i].equals(field[1][i]) && field[0][i].equals(field[2][i]) && !(field[0][i].equals(""))) {
2201                   return true; }
2202           }
2203           //for diagonal
2204           if(field[0][0].equals(field[1][1])&&field[0][0].equals(field[2][2])&&!(field[0][0].equals(""))) {
2205               return true; }
2206           //reverse diagonal
2207           if(field[0][2].equals(field[1][1])&&field[0][2].equals(field[2][0])&&!(field[0][2].equals(""))){
2208               return true; }
2209           return  false;
2210       }//end for checkForWin
2211}//end of public main
2212
2213
2214
2215ANDROID : GUI COMPONENTS
2216Activity_main.xml:
2217<?xml version="1.0" encoding="utf-8"?>
2218<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
2219   xmlns:app="http://schemas.android.com/apk/res-auto"
2220   xmlns:tools="http://schemas.android.com/tools"
2221   android:layout_width="match_parent"
2222   android:layout_height="match_parent"
2223   android:orientation="vertical"
2224   android:background="#bfefff"
2225   tools:context=".MainActivity"
2226   android:layout_gravity="center">
2227
2228   <TextView
2229       android:id="@+id/tvWelcome"
2230       android:layout_width="match_parent"
2231       android:layout_height="wrap_content"
2232       android:text="Welcome to Android"
2233       android:gravity="center"
2234       android:color="#fa1207"
2235       android:typeface="monospace"
2236       />
2237
2238   <EditText
2239       android:id="@+id/etMessage"
2240       android:layout_width="match_parent"
2241       android:layout_height="wrap_content"
2242       android:ems="10"
2243       android:inputType="textPersonName"
2244       android:hint="Enter message"/>
2245
2246   <Button
2247       android:id="@+id/btnSubmit"
2248       android:layout_width="wrap_content"
2249       android:layout_height="wrap_content"
2250       android:background="#71C412"
2251       android:layout_marginLeft="150dp"
2252       android:text="Submit"
2253       android:typeface="serif"
2254       android:textColor="#ffffff" />
2255</LinearLayout>
2256
2257
2258
2259MainActivity.java:
2260package com.example.guimcc2;
2261
2262import android.support.v7.app.AppCompatActivity;
2263import android.os.Bundle;
2264import android.view.View;
2265import android.widget.Button;
2266import android.widget.EditText;
2267import android.widget.TextView;
2268import android.widget.Toast;
2269
2270public class MainActivity extends AppCompatActivity {
2271   TextView tvWelcome;
2272   EditText etMessage;
2273   Button btnSubmit;
2274
2275   @Override
2276   protected void onCreate(Bundle savedInstanceState) {
2277       super.onCreate(savedInstanceState);
2278       setContentView(R.layout.activity_main);
2279       tvWelcome=(TextView)findViewById(R.id.tvWelcome);
2280       etMessage=(EditText)findViewById(R.id.etMessage);
2281       btnSubmit=(Button)findViewById(R.id.btnSubmit);
2282       btnSubmit.setOnClickListener(new View.OnClickListener() {
2283           @Override
2284           public void onClick(View v) {
2285               String msg="Entered message is:\n"+etMessage.getText().toString();
2286               Toast.makeText(MainActivity.this,msg,Toast.LENGTH_LONG).show();
2287               etMessage.setText("");
2288               etMessage.requestFocus();
2289
2290           }
2291       });
2292   }
2293}
2294
2295
2296ANDROID : GRAPHICAL PRIMITIVES (CIRCLE,RECTANGLE,LINE)
2297Activity_main.xml:
2298<?xml version="1.0" encoding="utf-8"?>
2299<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
2300   xmlns:app="http://schemas.android.com/apk/res-auto"
2301   xmlns:tools="http://schemas.android.com/tools"
2302   android:layout_width="match_parent"
2303   android:layout_height="match_parent"
2304   tools:context=".MainActivity">
2305
2306
2307   <ImageView
2308       android:id="@+id/image"
2309       android:layout_width="match_parent"
2310       android:layout_height="match_parent"
2311        />
2312</RelativeLayout>
2313
2314
2315
2316MainActivity.java:
2317package com.example.basicprimitivesmcc;
2318
2319import android.graphics.Bitmap;
2320import android.graphics.Canvas;
2321import android.graphics.Color;
2322import android.graphics.Paint;
2323import android.graphics.drawable.BitmapDrawable;
2324import android.support.v7.app.AppCompatActivity;
2325import android.os.Bundle;
2326import android.widget.ImageView;
2327
2328public class MainActivity extends AppCompatActivity {
2329
2330   @Override
2331   protected void onCreate(Bundle savedInstanceState) {
2332       super.onCreate(savedInstanceState);
2333       setContentView(R.layout.activity_main);
2334
2335       Bitmap bm = Bitmap.createBitmap(720,1280,Bitmap.Config.ARGB_8888);
2336       ImageView i = (ImageView)findViewById(R.id.image);
2337       i.setBackgroundDrawable(new BitmapDrawable(bm));
2338       Canvas canvas=new Canvas(bm);
2339       Paint paint=new Paint();
2340       paint.setColor(Color.RED);
2341       paint.setTextSize(50);
2342       canvas.drawRect(400,200,600,700,paint);//left top right bottom
2343       canvas.drawCircle(200,200,100,paint);//cx,cy,radius
2344       canvas.drawRect(50,800,300,1100,paint);
2345       canvas.drawLine(500,800,500,1100,paint);//startx,starty,stopx,stopy
2346
2347   }
2348}
2349
2350
2351
2352
2353ANDROID : ALERT ON RECEIVING MESSAGE
2354Give permissions after installing apk in your phone
2355Here, it shows toast on submitting message
2356AndroidManifest.xml
2357<?xml version="1.0" encoding="utf-8"?>
2358<manifest xmlns:android="http://schemas.android.com/apk/res/android"
2359   package="com.example.smsalert">
2360
2361
2362   <uses-permission android:name="android.permission.WRITE_SMS" />
2363   <uses-permission android:name="android.permission.READ_SMS" />
2364   <uses-permission android:name="android.permission.RECEIVE_SMS" />
2365
2366
2367   <application
2368       android:allowBackup="true"
2369       android:icon="@mipmap/ic_launcher"
2370       android:label="@string/app_name"
2371       android:roundIcon="@mipmap/ic_launcher_round"
2372       android:supportsRtl="true"
2373       android:theme="@style/AppTheme">
2374
2375       <receiver
2376           android:name=".SmsBroadcast" android:exported="true" >
2377           <intent-filter android:priority="999" >
2378               <action android:name="android.provider.Telephony.SMS_RECEIVED" />
2379           </intent-filter>
2380       </receiver>
2381
2382       <activity android:name=".MainActivity">
2383           <intent-filter>
2384               <action android:name="android.intent.action.MAIN" />
2385
2386               <category android:name="android.intent.category.LAUNCHER" />
2387           </intent-filter>
2388       </activity>
2389   </application>
2390
2391</manifest>
2392
2393
2394Activity_main.xml:
2395<?xml version="1.0" encoding="utf-8"?>
2396<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
2397   xmlns:app="http://schemas.android.com/apk/res-auto"
2398   xmlns:tools="http://schemas.android.com/tools"
2399   android:layout_width="match_parent"
2400   android:layout_height="match_parent"
2401   tools:context=".MainActivity">
2402
2403</LinearLayout>
2404
2405
2406
2407MainActivity.java
2408package com.example.smsalert;
2409
2410import androidx.appcompat.app.AppCompatActivity;
2411
2412import android.os.Bundle;
2413
2414public class MainActivity extends AppCompatActivity {
2415   @Override
2416   protected void onCreate(Bundle savedInstanceState) {
2417       super.onCreate(savedInstanceState);
2418       setContentView(R.layout.activity_main);
2419   }
2420}
2421
2422
2423SmsBroadcast.java:
2424package com.example.smsalert;
2425
2426import android.content.BroadcastReceiver;
2427import android.content.Context;
2428import android.content.Intent;
2429import android.os.Bundle;
2430import android.telephony.SmsMessage;
2431import android.widget.Toast;
2432
2433public class SmsBroadcast extends BroadcastReceiver {
2434   public static final String SMS_BUNDLE = "pdus";
2435
2436   public void onReceive(Context context, Intent intent) {
2437       Bundle intentExtras = intent.getExtras();
2438       if (intentExtras != null) {
2439           Object[] sms = (Object[]) intentExtras.get(SMS_BUNDLE);
2440           String smsMessageStr = "";
2441           for (int i = 0; i < sms.length; ++i) {
2442               SmsMessage smsMessage = SmsMessage.createFromPdu((byte[]) sms[i]);
2443
2444               String smsBody = smsMessage.getMessageBody().toString();
2445               String address = smsMessage.getOriginatingAddress();
2446
2447               smsMessageStr += "SMS From: " + address + "\n";
2448               smsMessageStr += smsBody + "\n";
2449           }
2450           Toast.makeText(context, smsMessageStr, Toast.LENGTH_LONG).show();
2451
2452       }
2453   }
2454}
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467JAVA : CDMA
2468import java.util.*;
2469public class CDMATry{
2470	private int[][] walshTable;
2471	private int[][] copy;
2472	private int[] channelSeq;
2473	
2474	public void setUp(int data[],int numStations){
2475		walshTable=new int[numStations][numStations];
2476		copy=new int[numStations][numStations];
2477		
2478		buildWalshTable(numStations, 0, numStations-1, 0, numStations-1, false);
2479		showWalshTable(numStations);
2480		
2481		for(int i=0;i<numStations;i++)
2482			for(int j=0;j<numStations;j++){
2483				copy[i][j]=walshTable[i][j];
2484				walshTable[i][j]*=data[i];
2485			}
2486		channelSeq=new int [numStations];
2487		for (int i=0;i<numStations;i++)
2488			for(int j=0;j<numStations;j++){
2489				channelSeq[i]+=walshTable[j][i];
2490			}
2491
2492	}
2493	
2494	public void buildWalshTable(int len,int i1,int i2,int j1,int j2,boolean val){
2495		if(len==2){
2496			if(!val){
2497				walshTable[i1][j1]=1;
2498				walshTable[i1][j2]=1;
2499				walshTable[i2][j1]=1;
2500				walshTable[i2][j2]=-1;
2501			}
2502			else{
2503				walshTable[i1][j1]=-1;
2504				walshTable[i1][j2]=-1;
2505				walshTable[i2][j1]=-1;
2506				walshTable[i2][j2]=1;		
2507			}
2508		
2509		}
2510		else{
2511			int midi=(i1+i2)/2;
2512			int midj=(j1+j2)/2;
2513			
2514			buildWalshTable(len/2,i1,midi,j1,midj,val);
2515			buildWalshTable(len/2,midi+1,i2,j1,midj,val);
2516			buildWalshTable(len/2,i1,midi,midj+1,j2,val);
2517			buildWalshTable(len/2,midi+1,i2,midj+1,j2,!val);
2518		}
2519	
2520	}
2521	public void showWalshTable(int numStations){
2522		System.out.println("Walsh Table");
2523		for(int i=0;i<numStations;i++)
2524		{
2525			for(int j=0;j<numStations;j++){
2526				System.out.print(walshTable[i][j]+"\t");
2527			}
2528			System.out.println();
2529		}
2530	
2531	}
2532	public void listenTo(int numStations,int sourceStation){
2533		int innerProduct=0;
2534	for (int i=0;i< numStations;i++)
2535		innerProduct+=copy[sourceStation][i]*channelSeq[i];
2536	System.out.println("Data received is : "+innerProduct/numStations);
2537	}	
2538	public static void main(String args[]){
2539		CDMATry channel= new CDMATry();
2540		int numStations=4;
2541		
2542		int[] data=new int[numStations];
2543		data[0]=-1;
2544		data[1]=-1;
2545		data[2]=0;
2546		data[3]=1;
2547		channel.setUp(data,numStations);
2548		int sourceStation=3;
2549		channel.listenTo(numStations,sourceStation);
2550	}
2551}
2552
2553Input:
25541 1 1 1
25551 -1 1 -1
25561 1 -1 -1
25571 -1 -1 1
2558
2559
2560JAVA: COFREQUENCY
2561import java.util.Scanner;
2562class Cofrequency{
2563	public static void  main(String[] args) {
2564		int[][] arr = new int[11][11];
2565	
2566		int i,j,k;
2567		Scanner sc=new Scanner(System.in);
2568		System.out.print("Enter i: ");
2569		i=sc.nextInt();
2570		System.out.print("Enter j: ");
2571		j=sc.nextInt();
2572
2573		int x,y;
2574		System.out.println("\nBefore");
2575		for(x=0;x<11;x++){
2576			for(y=0;y<11;y++){
2577				System.out.print(arr[x][y] + " ");
2578			}
2579			System.out.println();
2580		}
2581		arr[5][5]=2;
2582		arr[5+j][5+j+i]=1;
2583		arr[5-j][5+j+i]=1;
2584		arr[5+j][5-j-i]=1;
2585		arr[5-j][5-j-i]=1;
2586		arr[5-i-j-1][5]=1;
2587		arr[5+i+j+1][5]=1;
2588
2589		System.out.println("\nAfter");
2590		for(x=0;x<11;x++){
2591			for(y=0;y<11;y++){
2592				System.out.print(arr[x][y] + " ");
2593			}
2594			System.out.println();
2595		}
2596		for(i=2;i<=8;i++)
2597			for(j=3;j<8;j++)
2598				if (arr[i][j]==0)
2599				arr[i][j]=1;
2600		System.out.println("\nCluster Formation");
2601		for(x=0;x<11;x++){
2602			for(y=0;y<11;y++){
2603				System.out.print(arr[x][y] + " ");
2604			}
2605			System.out.println();
2606		}
2607		
2608}
2609}
2610
2611
2612Input:
2613Enter i: 1
2614Enter j: 2
2615
2616
2617
2618CDMA : python
2619
2620def mult(c,d):
2621 return list(map(lambda x : x * d, c))
2622
2623c1=[1,1,1,1]
2624c2=[1,-1,1,-1]
2625c3=[1,1,-1,-1]
2626c4=[1,-1,-1,1]
2627C=[c1,c2,c3,c4]
2628
2629d=[int(x) for x in input("Enter data bits for 4 channels:").split()]
2630result=[]
2631for i in range(4):
2632 result.append(mult(C[i],d[i]))
2633
2634print(result)
2635channel=[]
2636for i in range(4):
2637 res=0
2638 for j in range(4):
2639   res+=result[j][i]
2640 channel.append(res)
2641
2642station=int(input("Enter station you want to listen:"))
2643
2644res2=0
2645for i in range(4):
2646 res2+=channel[i]*C[station-1][i]
2647
2648print("Data bit transmitted:",res2//4)
2649
2650Output:
2651Enter data bits for 4 channels:-1 -1 0 1
2652Enter station you want to listen:2
2653Data bit transmitted: -1
2654
2655
2656
2657
2658
2659A3 ALGORITHM:
2660import random
2661
2662print("A3 algo")
2663m = random.getrandbits(128)
2664print("RAND number provided is: ", m)
2665c,d = input("Enter key Ki present in SIM: ").split()
2666
2667# Any operation can be chosen below. Addition/Subtraction/Combination of them
2668n = int(c)**int(d)
2669ans = m + n
2670
2671y = 3 ** 100
2672z = m + y
2673
2674if (z==ans):
2675    print("Generated SRES has matched. User is authenticated.")
2676else:
2677    print("Generated SRES does not match. Please retry.")
2678
2679
2680
2681A3 algo (python 2)
2682table0=[197, 235, 60, 151, 98, 96, 3, 100, 248, 118, 42, 117, 172, 211, 181, 203, 61,
2683		126, 156, 87, 149, 224, 55, 132, 186, 63, 238, 255, 85, 83, 152, 33, 160,
2684		184, 210, 219, 159, 11, 180, 194, 130, 212, 147, 5, 215, 92, 27, 46, 113,
2685		187, 52, 25, 185, 79, 221, 48, 70, 31, 101, 15, 195, 201, 50, 222, 137,
2686		233, 229, 106, 122, 183, 178, 177, 144, 207, 234, 182, 37, 254, 227, 231, 54,
2687		209, 133, 65, 202, 69, 237, 220, 189, 146, 120, 68, 21, 125, 38, 30, 2,
2688		155, 53, 196, 174, 176, 51, 246, 167, 76, 110, 20, 82, 121, 103, 112, 56,
2689		173, 49, 217, 252, 0, 114, 228, 123, 12, 93, 161, 253, 232, 240, 175, 67,
2690		128, 22, 158, 89, 18, 77, 109, 190, 17, 62, 4, 153, 163, 59, 145, 138,
2691		7, 74, 205, 10, 162, 80, 45, 104, 111, 150, 214, 154, 28, 191, 169, 213,
2692		88, 193, 198, 200, 245, 39, 164, 124, 84, 78, 1, 188, 170, 23, 86, 226,
2693		141, 32, 6, 131, 127, 199, 40, 135, 16, 57, 71, 91, 225, 168, 242, 206,
2694		97, 166, 44, 14, 90, 236, 239, 230, 244, 223, 108, 102, 119, 148, 251, 29,
2695		216, 8, 9, 249, 208, 24, 105, 94, 34, 64, 95, 115, 72, 134, 204, 43,
2696		247, 243, 218, 47, 58, 73, 107, 241, 179, 116, 66, 36, 143, 81, 250, 139,
2697		19, 13, 142, 140, 129, 192, 99, 171, 157, 136, 41, 75, 35, 165, 26 ]
2698
2699table1=[170, 42, 95, 141, 109, 30, 71, 89, 26, 147, 231, 205, 239, 212, 124, 129, 216,
2700		79, 15, 185, 153, 14, 251, 162, 0, 241, 172, 197, 43, 10, 194, 235, 6,
2701		20, 72, 45, 143, 104, 161, 119, 41, 136, 38, 189, 135, 25, 93, 18, 224,
2702		171, 252, 195, 63, 19, 58, 165, 23, 55, 133, 254, 214, 144, 220, 178, 156,
2703		52, 110, 225, 97, 183, 140, 39, 53, 88, 219, 167, 16, 198, 62, 222, 76,
2704		139, 175, 94, 51, 134, 115, 22, 67, 1, 249, 217, 3, 5, 232, 138, 31,
2705		56, 116, 163, 70, 128, 234, 132, 229, 184, 244, 13, 34, 73, 233, 154, 179,
2706		131, 215, 236, 142, 223, 27, 57, 246, 108, 211, 8, 253, 85, 66, 245, 193,
2707		78, 190, 4, 17, 7, 150, 127, 152, 213, 37, 186, 2, 243, 46, 169, 68,
2708		101, 60, 174, 208, 158, 176, 69, 238, 191, 90, 83, 166, 125, 77, 59, 21,
2709		92, 49, 151, 168, 99, 9, 50, 146, 113, 117, 228, 65, 230, 40, 82, 54,
2710		237, 227, 102, 28, 36, 107, 24, 44, 126, 206, 201, 61, 114, 164, 207, 181,
2711		29, 91, 64, 221, 255, 48, 155, 192, 111, 180, 210, 182, 247, 203, 148, 209,
2712		98, 173, 11, 75, 123, 250, 118, 32, 47, 240, 202, 74, 177, 100, 80, 196,
2713		33, 248, 86, 157, 137, 120, 130, 84, 204, 122, 81, 242, 188, 200, 149, 226,
2714		218, 160, 187, 106, 35, 87, 105, 96, 145, 199, 159, 12, 121, 103, 112]
2715
2716
2717def comp128v23_internal(KXOR,RAND):
2718	"""Internal part of the COMP128v23 algo, should not be called manually
2719	"""
2720	temp = [0] * 16
2721	KM_RM = RAND + KXOR
2722
2723	for i in range(5):
2724		for z in range(16):
2725			temp[z] = table0[table1[KM_RM[16+z]] ^ KM_RM[z] ]
2726
2727		j = 0
2728		while ( (1 << i) > j):
2729			k = 0
2730			while ( (1 << (4 - i)) > k ):
2731				KM_RM[((2 * k + 1) << i )+j] = table0[table1[temp[(k << i) + j]] ^ (KM_RM[(k << i) + 16 + j])]
2732				KM_RM[ (k << (i + 1)) + j] = temp[(k << i) + j]
2733				k = k+1
2734			j = j + 1
2735		
2736	output = [0]*16
2737
2738	for i in range(16):
2739		for j in range(8):
2740			output[i] = output[i] ^ (((KM_RM[(19 * (j + 8 * i) + 19) % 256 / 8] >> (3 * j + 3) % 8) & 1) << j)
2741
2742	return output
2743	
2744def comp128v23(K, RAND, version = 2):
2745	"""The entry point for COMP128v2 and COMP128v3 algorithm
2746	K = The secret Ki number (that should be inside of your SIM card) - Format: list of integers
2747	RAND = The random number generated by the tower - Format: list of integers
2748	version = Version selecting integer (can be 2 or 3) - Format: integer
2749	"""
2750
2751	assert version in [2,3] , "This function only support COMP128 version 2 and 3!" 
2752	assert len(K) == 16     , "Ki incorrect (length must be 16)" 
2753	assert len(RAND) == 16  , "RAND incorrect (length must be 16)" 
2754	
2755	K_MIX = [0]*16
2756	RAND_MIX = [0]*16
2757	KATYVASZ = [0]*16
2758	output = [0]*16
2759	
2760	for i in range(8):
2761		K_MIX[i] = K[15 - i]
2762		K_MIX[15 - i] = K[i]
2763
2764	for i in range(8):
2765		RAND_MIX[i] = RAND[15 - i]
2766		RAND_MIX[15 - i] = RAND[i]
2767	
2768	for i in range(16):
2769		KATYVASZ[i] = K_MIX[i] ^ RAND_MIX[i]
2770	
2771	for i in range(8):
2772		RAND_MIX = comp128v23_internal(KATYVASZ,RAND_MIX)
2773	
2774	for i in range(16):
2775		output[i] = RAND_MIX[15-i]
2776	
2777
2778	if version == 2:
2779		output[15] = 0
2780		output[14] = 4 * (output[14] >> 2)
2781
2782	s = 8
2783	i = 0
2784	while i < 4:
2785		output[s+i-4] = output[s+i]
2786		output[s+i] = output[s+i+4]
2787		i = i+1
2788
2789	#the algorithm uses 16 bytes until this point, but only 12 bytes are effective
2790	#also 12 bytes coming out from the SIM card
2791	
2792	output_final = output[:12]	
2793	return output_final
2794	
2795	
2796def hex2intarr(input):
2797	"""converts hex string to an array of integers
2798	"""
2799	return map(lambda a: int(a.encode('hex'),16), (a for a in input.decode('hex')))
2800		
2801def intarr2hex(input):
2802	"""converts array of integers to hex strings
2803	"""
2804	return ''.join('{:02x}'.format(x) for x in input).upper()
2805
2806def rand_hex():
2807	arr=['0','1','2','3','4','5','6','7','8','9','A','B','C','D','E']
2808	return random.choice(arr)
2809
2810
2811if __name__ == '__main__':
2812	import argparse
2813	import random
2814
2815	sample_ki=""
2816	sample_rand=""
2817	for x in range(32):
2818		sample_ki = sample_ki+rand_hex()
2819		sample_rand = sample_rand+rand_hex()
2820	parser = argparse.ArgumentParser(description='Process some integers.')
2821	parser.add_argument('Ki', metavar='Ki', default = sample_ki ,nargs='?', help='The super secret Ki key')
2822	parser.add_argument('RAND', metavar='RAND', default = sample_rand, nargs='?', help='The RANDom number you recieve from the tower')
2823	parser.add_argument('version', metavar='version', default = 2, nargs='?', help='The version of the COMP128 algo you wish to use (options: 2 or 3)')
2824
2825	args = parser.parse_args()
2826
2827	Ki = hex2intarr(args.Ki)
2828	RAND = hex2intarr(args.RAND)
2829	version = args.version
2830	
2831	print '----------- INPUT  -------------'
2832	print 'COMP128 version ' + str(version)
2833	print 'Ki:      ' + intarr2hex(Ki)
2834	print 'RAND:    ' + intarr2hex(RAND)
2835	
2836	OUTPUT = comp128v23(Ki, RAND, version)
2837	SRES = OUTPUT[:4]
2838	Kc = OUTPUT[4:]
2839	
2840	print '----------- OUTPUT -------------'
2841	print "SIM OUTPUT:" + intarr2hex(OUTPUT)
2842	print "SRES:  " + intarr2hex(SRES)
2843	print "Kc:    " + intarr2hex(Kc)