Android system call Intent

 

Android enables mp3 player to play music.

Intent it = new Intent (Intent. ACTION_VIEW );

 

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

 

It. setDataAndType (uri, "audio/mp3 ");

StartActivity (it );

Uri uri = Uri. withAppendedPath (MediaStore. Audio. Media. INTERNAL_CONTENT_URI, "1 ");

 

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

 

StartActivity (it );

 

Uninstall program:

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

 

Intent it = new Intent (Intent. ACTION_DELETE, uri );

 

StartActivity (it );

 

Send MMS

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

 

Intent it = new Intent (Intent. ACTION_SEND );

 

It. putExtra ("sms_body", "some text ");

 

It. putExtra (Intent. EXTRA_STREAM, uri );

 

It. setType ("image/png ");

 

StartActivity (it );

 

 

 

 

Send SMS/MMS

Call the program for sending text messages

Intent it = new Intent (Intent. ACTION_VIEW );

 

It. putExtra ("sms_body", "The SMS text ");

 

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

 

StartActivity (it );

 

Send SMS

 

Uri uri = Uri. parse ("smsto: 0800000123 ");

 

Intent it = new Intent (Intent. ACTION_SENDTO, uri );

 

It. putExtra ("sms_body", "The SMS text ");

 

StartActivity (it );

 

 

Call number:

Call the dialup Program

Uri uri = Uri. parse ("tel: xxxxxx ");

 

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

 

StartActivity (it );

 

 

Uri uri = Uri. parse ("tel. xxxxxx ");

 

Intent it = new Intent (Intent. ACTION_CALL, uri );

 

 

To use this function, you must add <uses-permission id = "android. permission. CALL_PHONE"/> to the configuration file.

 

 

Display webpage:

Uri uri = Uri. parse ("http://www.google.com ");

 

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

 

StartActivity (it );

 

Display map:

 

Uri uri = Uri. parse ("geo: 38.899533,-77.036476 ");

 

Intent it = new Intent (Intent. Action_VIEW, uri );

 

StartActivity (it );

Path Planning:

Uri uri = Uri. parse ("http://maps.google.com/maps? F = d & saddr = startLat % 20 startLng & daddr = endLat % 20 endLng & hl = en ");

 

Intent it = new Intent (Intent. ACTION_VIEW, URI );

 

StartActivity (it );

 

From Mingyue Tianya