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1I am making News app there is a favorite button when the user clicks to favorite button it should save an article and show it another activity I have already implemented SQLite and content provider part.
2
3below my Database code where I have implemented the database.
4
5//Sqlite creating table
6    public static final String SQL_CREATE_TABLE_ARTICLE = "CREATE TABLE IF NOT EXISTS "
7                + ArticleColumns.TABLE_NAME + " ( "
8         + ArticleColumns._ID + " INTEGER PRIMARY KEY AUTOINCREMENT, "
9                + ArticleColumns.TITLE + " TEXT NOT NULL, "
10                + ArticleColumns.TITLE_DESCRIPTION + " TEXT, "
11                + ArticleColumns.AUTHOR + " TEXT "+
12                " )";
13below News DetailActivity code where I have implemented content provider.
14
15 public class NewsDetailActivity extends AppCompatActivity {
16        ImageButton addToFavoritesBtn;
17       Article article;
18        @Override
19        protected void onCreate(Bundle savedInstanceState) {
20            super.onCreate(savedInstanceState);
21            setContentView(R.layout.news_details);
22
23
24            Toolbar myChildToolbar =
25                    (Toolbar) findViewById(R.id.detail_toolbar);
26            setSupportActionBar(myChildToolbar);
27
28            // Get a support ActionBar corresponding to this toolbar
29            ActionBar ab = getSupportActionBar();
30            ab.setDisplayHomeAsUpEnabled(true);
31
32            // Enable the Up button
33
34            getSupportActionBar().setDisplayShowTitleEnabled(false);
35
36            final Article article = (Article) getIntent().getParcelableExtra("myDataKey");
37
38            FloatingActionButton share = (FloatingActionButton)findViewById(R.id.share_fab);
39            ImageButton shareButton = (ImageButton)findViewById(R.id.share_button);
40            shareButton.setOnClickListener(new View.OnClickListener() {
41                @Override
42                public void onClick(View v) {
43                    Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
44                    sharingIntent.setType("text/plain");
45                    String articleDescription = article.getDescription() ;
46                    String articleTitle = article.getTitle();
47                    sharingIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, articleDescription);
48                    sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, articleTitle);
49                    startActivity(Intent.createChooser(sharingIntent, "Share using"));
50                }
51            });
52
53            share.setOnClickListener(new View.OnClickListener() {
54                @Override
55                public void onClick(View v) {
56
57                    Intent sharingIntent = new Intent(android.content.Intent.ACTION_SEND);
58                    sharingIntent.setType("text/plain");
59                    String articleDescription = article.getDescription() ;
60                    String articleTitle = article.getTitle();
61                    sharingIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, articleDescription);
62                    sharingIntent.putExtra(android.content.Intent.EXTRA_TEXT, articleTitle);
63                    startActivity(Intent.createChooser(sharingIntent, "Share using"));
64                }
65            });
66            TextView textView = (TextView) findViewById(R.id.article_title);
67            final String articleTitle = article.getTitle();
68
69            if (articleTitle != null) {
70                textView.setText(articleTitle);
71            }
72            TextView textView1 = (TextView) findViewById(R.id.article_author);
73            final String articleAuthor = article.getAuthor();
74
75
76            if (articleAuthor != null) {
77                textView1.setText(articleAuthor);
78            }
79
80
81            TextView textView2 = (TextView) findViewById(R.id.article_body);
82            String articleDescription = article.getDescription();
83            if (articleDescription != null) {
84                textView2.setText(articleDescription);
85
86            }
87            Button button = (Button) findViewById(R.id.article_url);
88            final String articleUrl = article.getUrl();
89
90
91            button.setOnClickListener(new View.OnClickListener() {
92                @Override
93                public void onClick(View arg0) {
94                    Intent intent = new Intent(Intent.ACTION_VIEW,
95                            Uri.parse(articleUrl));
96                    startActivity(intent);
97                }
98            });
99
100            Picasso.with(this).load(article.getUrlToImage()).into((ImageView) findViewById(R.id.photo));
101
102            addToFavoritesBtn = (ImageButton) findViewById(R.id.favorite_button);
103            addToFavoritesBtn.setOnClickListener(new View.OnClickListener() {
104                @Override
105                public void onClick(View view) {
106                    ContentValues values = new ContentValues();
107                  //  values.put(ArticleColumns._ID, "INTEGER PRIMARY KEY AUTOINCREMENT"); //Value bro example 1
108                    values.put(ArticleColumns.TITLE, article.getTitle() ); // name
109                    values.put(ArticleColumns.TITLE_DESCRIPTION, article.getDescription());
110                    values.put(ArticleColumns.AUTHOR, article.getAuthor());
111
112                    getContentResolver().insert(ArticleColumns.CONTENT_URI, values);
113                }
114            });
115        }
116
117
118
119    }