<activity android:name=".ActionDestination">
   <intent-filter>
       <action android:name="Skywang_ACTION" />
       <category android:name="android.intent.category.DEFAULT"/>
   </intent-filter>
</activity>

Intent intent = new Intent(); 
intent.setAction("Skywang_ACTION"); 
startActivity(intent);

// 流量網頁
Uri uri =Uri.parse("http://www.baidu.com");
Intent intent = newIntent(Intent.ACTION_VIEW, uri); 
startActivity(intent);
// 撥打電話
// if you want to use ACTION_DIAL, you mustadd permissin in manifest, the permission is bellow
// <uses-permissionandroid:name="android.permission.CALL_PHONE" />
Uri uri = Uri.parse("tel:12580");
Intent it = new Intent(Intent.ACTION_DIAL,uri);
startActivity(it);
// 發送短信
Uri uri = Uri.parse("smsto:13410177756");
Intent it = newIntent(Intent.ACTION_SENDTO, uri);
it.putExtra("sms_body", "TheSMS text");
startActivity(it);
//播放mp3
Intent it = new Intent(Intent.ACTION_VIEW);
Uri uri =Uri.parse("file:///sdcard/song.mp3"); 
it.setDataAndType(uri, "audio/mp3");
startActivity(it);