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Android系统调用之Intent

 

android通过程序打开mp3播放器播放音乐

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 程序:

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

 

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

 

startActivity(it); 

 

发送彩信

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);   

 

 

 

 

发送SMS/MMS

调用发送短信的程序

 Intent it = new Intent(Intent.ACTION_VIEW);    

 

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

 

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

 

startActivity(it);    

 

发送短信

 

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

 

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

 

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

 

startActivity(it);   

 

 

拨打电话:

调用拨号程序

 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); 

 

 

要使用这个必须在配置文件中加入<uses-permission id="android.permission.CALL_PHONE" />

 

 

显示网页:

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

 

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

 

startActivity(it); 

 

显示地图:

 

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

 

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

 

startActivity(it);   

路径规划:

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

 

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

 

startActivity(it);   

 

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