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1public class Student extends AppCompatActivity {
2
3EditText editText6;
4CheckBox checkBox2;
5public Button button18;
6DatabaseHelper helper = new DatabaseHelper(this);
7
8
9
10@Override
11protected void onCreate(Bundle savedInstanceState) {
12    super.onCreate(savedInstanceState);
13    setContentView(R.layout.activity_student);
14
15    Button button8 = (Button)findViewById(R.id.button8);
16    button8.setOnClickListener(new View.OnClickListener() {
17        @Override
18        public void onClick(View v) {
19            if(v.getId() == R.id.button8){
20                EditText a = (EditText)findViewById(R.id.editText7);
21                String str = a.getText().toString();
22                EditText b = (EditText)findViewById(R.id.editText6);
23                String pass = b.getText().toString();
24
25
26                String password = helper.searchPass(str);
27                if (pass.equals(password))
28                {
29                    Intent us = new Intent(Student.this , Home.class);
30                    startActivity(us);
31                }
32                else
33                {
34                    Toast temp = Toast.makeText(Student.this , "Username and password don't match" , Toast.LENGTH_SHORT);
35                    temp.show();
36
37                }
38            }
39        }
40    });
41
42
43
44
45
46    editText6 = (EditText) findViewById(R.id.editText6);
47    checkBox2 = (CheckBox) findViewById(R.id.checkBox2);
48
49    checkBox2.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
50        @Override
51        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
52
53            if (! isChecked) {
54                editText6.setTransformationMethod(PasswordTransformationMethod.getInstance());
55            }else
56            {
57                editText6.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
58            }
59        }
60    });
61
62    button18 = (Button) findViewById(R.id.button18);
63    button18.setOnClickListener(new View.OnClickListener() {
64        @Override
65        public void onClick(View v) {
66
67            Intent cut = new Intent(Student.this, Register.class);
68            startActivity(cut);
69        }
70    });
71
72
73}
74
75@Override
76public boolean onCreateOptionsMenu(Menu menu) {
77    // Inflate the menu; this adds items to the action bar if it is present.
78    getMenuInflater().inflate(R.menu.menu_student, menu);
79    return true;
80}
81
82
83
84
85
86@Override
87public boolean onOptionsItemSelected(MenuItem item) {
88    // Handle action bar item clicks here. The action bar will
89    // automatically handle clicks on the Home/Up button, so long
90    // as you specify a parent activity in AndroidManifest.xml.
91    int id = item.getItemId();
92
93    //noinspection SimplifiableIfStatement
94    if (id == R.id.action_settings) {
95        return true;
96    }
97
98    return super.onOptionsItemSelected(item);
99}
100	
101<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
102xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
103android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
104android:paddingRight="@dimen/activity_horizontal_margin"
105android:paddingTop="@dimen/activity_vertical_margin"
106android:paddingBottom="@dimen/activity_vertical_margin"
107android:background="@drawable/background"
108tools:context="com.example.username.mp.Student">
109
110
111<TextView
112    android:layout_width="wrap_content"
113    android:layout_height="wrap_content"
114    android:textAppearance="?android:attr/textAppearanceLarge"
115    android:text="ITSM Application"
116    android:textSize="40dp"
117    android:id="@+id/textView9"
118    android:layout_alignParentTop="true"
119    android:layout_centerHorizontal="true" />
120
121<TextView
122    android:layout_width="wrap_content"
123    android:layout_height="wrap_content"
124    android:textAppearance="?android:attr/textAppearanceLarge"
125    android:text="Login"
126    android:id="@+id/textView10"
127    android:layout_below="@+id/textView9"
128    android:layout_centerHorizontal="true"
129    android:layout_marginTop="46dp" />
130
131<TextView
132    android:layout_width="wrap_content"
133    android:layout_height="wrap_content"
134    android:textAppearance="?android:attr/textAppearanceLarge"
135    android:text="Username:"
136    android:id="@+id/textView16"
137    android:layout_below="@+id/textView10"
138    android:layout_alignParentLeft="true"
139    android:layout_alignParentStart="true"
140    android:layout_marginTop="89dp" />
141
142<TextView
143    android:layout_width="wrap_content"
144    android:layout_height="wrap_content"
145    android:textAppearance="?android:attr/textAppearanceLarge"
146    android:text="Password:"
147    android:id="@+id/textView17"
148    android:layout_alignTop="@+id/editText6"
149    android:layout_alignParentLeft="true"
150    android:layout_alignParentStart="true" />
151
152<EditText
153    android:layout_width="wrap_content"
154    android:layout_height="wrap_content"
155    android:inputType="textPassword"
156    android:ems="10"
157    android:id="@+id/editText6"
158    android:layout_below="@+id/textView16"
159    android:layout_alignParentRight="true"
160    android:layout_alignParentEnd="true"
161    android:layout_marginTop="68dp" />
162
163<EditText
164    android:layout_width="wrap_content"
165    android:layout_height="wrap_content"
166    android:id="@+id/editText7"
167    android:layout_alignBottom="@+id/textView16"
168    android:layout_alignLeft="@+id/editText6"
169    android:layout_alignStart="@+id/editText6"
170    android:layout_alignRight="@+id/editText6"
171    android:layout_alignEnd="@+id/editText6" />
172
173<Button
174    android:layout_width="wrap_content"
175    android:layout_height="wrap_content"
176    android:text="SIGN IN"
177    android:id="@+id/button8"
178    android:background="#E0E0E0"
179    android:layout_alignParentBottom="true"
180    android:layout_alignLeft="@+id/textView9"
181    android:layout_alignStart="@+id/textView9" />
182
183<CheckBox
184    android:layout_width="wrap_content"
185    android:layout_height="wrap_content"
186    android:text="Show Password"
187    android:id="@+id/checkBox2"
188    android:checked="false"
189    android:layout_below="@+id/editText6"
190    android:layout_alignLeft="@+id/editText6"
191    android:layout_alignStart="@+id/editText6" />
192
193<Button
194    android:layout_width="wrap_content"
195    android:layout_height="wrap_content"
196    android:text="SIGN UP"
197    android:id="@+id/button18"
198    android:background="#E0E0E0"
199    android:layout_alignParentBottom="true"
200    android:layout_alignRight="@+id/editText6"
201    android:layout_alignEnd="@+id/editText6" />
202	
203public class DatabaseHelper extends SQLiteOpenHelper {
204private static final int DATABASE_VERSION = 1;
205public static final String DATABASE_NAME = "contacts.db";
206public static final String TABLE_NAME = "contacts";
207public static final String COLUMN_ID = "id";
208public static final String COL_1 = "Name";
209public static final String COL_2 = "Pass";
210public static final String COL_3 = "email";
211SQLiteDatabase db;
212
213private static final String TABLE_CREATE = "create table contacts (id integer primary key not null , " +
214        "name not null, pass text not null, email text not null);";
215
216
217public DatabaseHelper(Context context) {
218    super(context, DATABASE_NAME, null, DATABASE_VERSION);
219}
220
221@Override
222public void onCreate(SQLiteDatabase db) {
223    db.execSQL(TABLE_CREATE);
224    this.db = db;
225
226}
227
228public void insertContact(Contact c)
229{
230    db = this.getWritableDatabase();
231    ContentValues values = new ContentValues();
232
233    String query = "select * from contacts";
234    Cursor cursor = db.rawQuery(query , null);
235    int count = cursor.getCount();
236
237    values.put(COLUMN_ID , count);
238    values.put(COL_1, c.getName());
239    values.put(COL_2, c.getPass());
240    values.put(COL_3, c.getEmail());
241
242    db.insert(TABLE_NAME, null, values);
243    db.close();
244}
245
246public String searchPass(String name)
247{
248    db = this.getReadableDatabase();
249    String query = "select name, pass from" + TABLE_NAME;
250    Cursor cursor = db.rawQuery(query , null);
251    String a, b;
252    b = "not found";
253
254    if(cursor.moveToFirst())
255    {
256        do {
257            a = cursor.getString(0);
258
259
260            if(a.equals(name))
261            {
262                b = cursor.getString(1);
263                break;
264            }
265        }
266        while (cursor.moveToNext());
267    }
268
269    return b;
270
271}
272
273
274
275
276@Override
277public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
278    String query = "DROP TABLE IF EXISTS" + TABLE_NAME;
279    db.execSQL(query);
280    this.onCreate(db);
281
282}
283	
284<?xml version="1.0" encoding="utf-8"?>
285	
286<uses-permission android:name="android.permission.INTERNET" />
287
288<application
289    android:allowBackup="true"
290    android:icon="@mipmap/ic_launcher"
291    android:label="@string/app_name"
292    android:theme="@style/AppTheme" >
293    <activity
294        android:name=".MainActivity"
295        android:label="@string/app_name" >
296        <intent-filter>
297            <action android:name="android.intent.action.MAIN" />
298
299            <category android:name="android.intent.category.LAUNCHER" />
300        </intent-filter>
301    </activity>
302    <activity
303        android:name=".Login"
304        android:label="@string/title_activity_login" >
305    </activity>
306    <activity
307        android:name=".Option"
308        android:label="@string/title_activity_option" >
309    </activity>
310    <activity
311        android:name=".Detail"
312        android:label="@string/title_activity_detail" >
313    </activity>
314    <activity
315        android:name=".End"
316        android:label="@string/title_activity_end" >
317    </activity>
318    <activity
319        android:name=".Feedback"
320        android:label="@string/title_activity_feedback" >
321    </activity>
322    <activity
323        android:name=".Student"
324        android:label="@string/title_activity_student" >
325    </activity>
326    <activity
327        android:name=".Incident"
328        android:label="@string/title_activity_incident" >
329    </activity>
330    <activity
331        android:name=".Help"
332        android:label="@string/title_activity_help" >
333    </activity>
334    <activity
335        android:name=".Wifi"
336        android:label="@string/title_activity_wifi" >
337    </activity>
338    <activity
339        android:name=".Basic"
340        android:label="@string/title_activity_basic" >
341    </activity>
342    <activity
343        android:name=".Home"
344        android:label="@string/title_activity_home" >
345    </activity>
346    <activity
347        android:name=".Guide"
348        android:label="@string/title_activity_guide" >
349    </activity>
350    <activity
351        android:name=".VPN"
352        android:label="@string/title_activity_vpn" >
353    </activity>
354    <activity
355        android:name=".VDI"
356        android:label="@string/title_activity_vdi" >
357    </activity>
358    <activity
359        android:name=".Location"
360        android:label="@string/title_activity_location" >
361    </activity>
362    <activity
363        android:name=".Phone"
364        android:label="@string/title_activity_phone" >
365    </activity>
366    <activity
367        android:name=".config"
368        android:label="@string/title_activity_config" >
369    </activity>
370    <activity
371        android:name=".Script"
372        android:label="@string/title_activity_script" >
373    </activity>
374
375    <meta-data
376        android:name="com.facebook.sdk.ApplicationId"
377        android:value="@string/facebook_app_id" />
378
379    <activity
380        android:name="com.facebook.FacebookActivity"
381        android:label="@string/app_name"
382        android:screenOrientation="portrait" />
383
384    <provider
385        android:name="com.facebook.FacebookContentProvider"
386        android:authorities="com.facebook.app.FacebookContentProvider"
387        android:exported="true" />
388
389    <activity
390        android:name=".Register"
391        android:label="@string/title_activity_register" >
392    </activity>
393
394</application>