//显示网页 
Uri uri = Uri.parse("http://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);    
//其他 geo URI 範例   
//geo:latitude,longitude   
//geo:latitude,longitude?z=zoom   
//geo:0,0?q=my+street+address   
//geo:0,0?q=business+near+city   
//google.streetview:cbll=lat,lng&cbp=1,yaw,,pitch,zoom&mz=mapZoom  

//路径规划 

Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat20endLng&hl=en");   
Intent it = new Intent(Intent.ACTION_VIEW, uri);   
startActivity(it);   
//where startLat, startLng, endLat, endLng are a long with 6 decimals like: 50.123456   

//打电话 
//叫出拨号程序  
Uri uri = Uri.parse("tel:0800000123");   
Intent it = new Intent(Intent.ACTION_DIAL, uri);   
startActivity(it);   

//直接打电话出去   
Uri uri = Uri.parse("tel:0800000123");   
Intent it = new Intent(Intent.ACTION_CALL, uri);   
startActivity(it);   
//用這個，要在 AndroidManifest.xml 中，加上   
//<uses-permission id="android.permission.CALL_PHONE" />   

//传送SMS/MMS 
//调用短信程序  
Intent it = new Intent(Intent.ACTION_VIEW, uri);   
it.putExtra("sms_body", "The SMS text");    
it.setType("vnd.android-dir/mms-sms");   
startActivity(it);  

//传送消息  
Uri uri = Uri.parse("smsto://0800000123");   
Intent it = new Intent(Intent.ACTION_SENDTO, uri);   
it.putExtra("sms_body", "The SMS text");   
startActivity(it);  

//传送 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);   

//传送 Email 
Uri uri = Uri.parse("mailto:[email protected]");   
Intent it = new Intent(Intent.ACTION_SENDTO, uri);   
startActivity(it);   

Intent it = new Intent(Intent.ACTION_SEND);   
it.putExtra(Intent.EXTRA_EMAIL, "[email protected]");   
it.putExtra(Intent.EXTRA_TEXT, "The email body text");   
it.setType("text/plain");   
startActivity(Intent.createChooser(it, "Choose Email Client"));   

Intent it=new Intent(Intent.ACTION_SEND);     
String[] tos={"[email protected]"};     
String[] ccs={"[email protected]"};     
it.putExtra(Intent.EXTRA_EMAIL, tos);     
it.putExtra(Intent.EXTRA_CC, ccs);     
it.putExtra(Intent.EXTRA_TEXT, "The email body text");     
it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");     
it.setType("message/rfc822");     
startActivity(Intent.createChooser(it, "Choose Email Client"));  

//传送附件 
Intent it = new Intent(Intent.ACTION_SEND);   
it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");   
it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3");   
sendIntent.setType("audio/mp3");   
startActivity(Intent.createChooser(it, "Choose Email Client"));  

//播放多媒体 
Uri uri = Uri.parse("file:///sdcard/song.mp3");   
Intent it = new Intent(Intent.ACTION_VIEW, uri);   
it.setType("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);  

//Market 相关 
//寻找某个应用  
Uri uri = Uri.parse("market://search?q=pname:pkg_name");  
Intent it = new Intent(Intent.ACTION_VIEW, uri);   
startActivity(it);   
//where pkg_name is the full package path for an application  
//显示某个应用的相关信息  
Uri uri = Uri.parse("market://details?id=app_id");   
Intent it = new Intent(Intent.ACTION_VIEW, uri);  
startActivity(it);   
//where app_id is the application ID, find the ID    
//by clicking on your application on Market home    
//page, and notice the ID from the address bar  


//Uninstall 应用程序 
Uri uri = Uri.fromParts("package", strPackageName, null);  
Intent it = new Intent(Intent.ACTION_DELETE, uri);    
startActivity(it);