Integrating with Twitter on Android
The first step:
To create a button in your .xml
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | android:layout_width = "match_parent" android:layout_height = "match_parent" android:paddingBottom = "@dimen/activity_vertical_margin" android:paddingLeft = "@dimen/activity_horizontal_margin" android:paddingRight = "@dimen/activity_horizontal_margin" android:paddingTop = "@dimen/activity_vertical_margin" tools:context = ".TheDeveloperWorldIsYours" > < button android:id = "@+id/twitterButton" android:layout_width = "wrap_content" android:layout_height = "wrap_content" /> </ RelativeLayout > |
Now in your .class, you should your dialog, this form.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 | public class TheDeveloperWorldIsYours extends Activity { private Button mTwitterButton; @Override protected void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout.activity_the_developer_world_is_yours); mTwitterButton = (Button) findViewById(R.id.twitterButton); mTwitterButton.setOnClickListener( new OnClickListener() { @Override public void onClick(View v) { // TODO Auto-generated method stub Intent share = findTwitterClient(); if (share != null ) { share.setType( "text/plain" ); share.putExtra(Intent.EXTRA_TEXT, "TEXT" ); startActivity(share); } else { AlertDialog.Builder builder = new AlertDialog.Builder( TheDeveloperWorldIsYours. this ); builder.setMessage( "Instal twitter" ) .setTitle( "¡attention!" ) .setCancelable( false ) .setNeutralButton( "Accept" , new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert = builder.create(); alert.show(); System.out.println( "TEXT" ); } } }); } public Intent findTwitterClient() { final String[] twitterApps = { // package // name - nb installs (thousands) "com.twitter.android" , // official - 10 000 "com.twidroid" , // twidroid - 5 000 "com.handmark.tweetcaster" , // Tweecaster - 5 000 "com.thedeck.android" }; // TweetDeck - 5 000 }; Intent tweetIntent = new Intent(); tweetIntent.setType( "text/plain" ); final PackageManager packageManager = getPackageManager(); List list = packageManager.queryIntentActivities( tweetIntent, PackageManager.MATCH_DEFAULT_ONLY); for ( int i = 0 ; i < twitterApps.length; i++) { for (ResolveInfo resolveInfo : list) { String p = resolveInfo.activityInfo.packageName; if (p != null && p.startsWith(twitterApps[i])) { tweetIntent.setPackage(p); return tweetIntent; } } } return null ; } } |
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