Use intent and Uri to interact with your anroid device,.

1. Show a web page.

Uri uri= Uri.parse("Your URL wana navigate");

Intent intent = new Intent(Intent.ACTION_VIEW, uri);

startActivity(intent);

2. Show position on the map

Uri uriLocaltionOnGPS = Uri.parse("geo:[coordinate.x],[coordinate.y]");

Intent intent = new Intent(Intent.ACTION_VIEW, uriLocaltionOnGPS);

startActivity(intent);

3. Phone call

Uri uri = Uri.parse("tel:Tel number you wana call");

Intent intent = new Intent(Intent.ACTION_DIAL, uri);

startActivity(intent);

4. Phone Call directly

Uri uri = Uri.parse("tel:Tel number you wana call");

Intent intent = new Intent(Intent.ACTION_VIEW, uri);

startActivity(intent);

5 Uninstall application

Uri uri = Uri.fromParts("package", "xxx", null);

Intent intent = new Intent(Intent.ACTION_DELETE, uninstallUri);

startActivity(intent);

6. Install app

Uri uri = Uri.fromParts("package", "xxx", null);

Intent intent = new Intent(Intent.ACTION_PACKAGE_ADDED, uri);

startActivity(intent);

7. Play media file

Uri uri = Uri.parse("file:///sdcard/Music/1.mp3");

Intent intent = new Intent(Intent.ACTION_VIEW, uri);

startActivity(intent);

8. Send mail to

Uri emailUri = Uri.parse("mailto:xxxx@gmail.com");

Intent intent = new Intent(Intent.ACTION_SENDTO, emailUri);

startActivity(intent);

9 Send mail

Intent intent = new Intent(Intent.ACTION_SEND);

String[] tos = { "xxxx@gmail.com" };

String[] ccs = { "xxxx@gmail.com" };

intent.putExtra(Intent.EXTRA_EMAIL, tos);

intent.putExtra(Intent.EXTRA_CC, ccs);

intent.putExtra(Intent.EXTRA_TEXT, "body");

intent.putExtra(Intent.EXTRA_SUBJECT, "subject");

intent.setType("message/rfc882");

Intent.createChooser(intent, "Choose Email Client");

startActivity(intent);

10. Send SMS

Uri uri = Uri.parse("tel:Phone number");

Intent intent = new Intent(Intent.ACTION_VIEW, uri);

intent.putExtra("sms_body", "Mail content");

intent.setType("vnd.android-dir/mms-sms");

startActivity(intent);

11. Send SMS directly

Uri smsToUri = Uri.parse("smsto://Phone number");

Intent intent = new Intent(Intent.ACTION_SENDTO, smsToUri);

intent.putExtra("sms_body", "yyyy");

startActivity(intent);

12. Send Ritch SMS

Uri uri = Uri.parse("content://media/external/images/media/23");

Intent intent = new Intent(Intent.ACTION_SEND);

intent.putExtra("sms_body", "yyyy");

intent.putExtra(Intent.EXTRA_STREAM, uri);

intent.setType("image/png");

startActivity(intent);