Intent的常见用法

Intent应该算是Android中特有的东西。你可以在Intent中指定程序要执行的动作（比如：view,edit,dial），以及程序执行到 该动作时所需要的资料。都指定好后，只要调用startActivity()，Android系统会自动寻找最符合你指定要求的应用程序，并执行该程序。

下面列出几种Intent的用法
显示网页:

1. Uri uri = Uri.parse( "<a href=" http: //www.google.com" target="_blank" rel="external">http://www.google.com</a>");   
2. Intent it  = new  Intent(Intent.ACTION_VIEW,uri);  
3. startActivity(it);  

Uri uri = Uri.parse("<a href="http://www.google.com" target="_blank" rel="external">http://www.google.com</a>"); Intent it = new Intent(Intent.ACTION_VIEW,uri); startActivity(it);

显示地图:

1. Uri uri = Uri.parse( "geo:38.899533,-77.036476" );  
2. Intent it = new  Intent(Intent.Action_VIEW,uri);  
3. startActivity(it);   

Uri uri = Uri.parse("geo:38.899533,-77.036476"); Intent it = new Intent(Intent.Action_VIEW,uri); startActivity(it);

路径规划:

1. Uri uri = Uri.parse( "<a href=" http: //maps.google.com/maps?f=d" target="_blank" rel="external">http://maps.google.com/maps?f=d</a>&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");   
2.   
3. Intent it = new  Intent(Intent.ACTION_VIEW,URI);  
4.   
5. startActivity(it);  

Uri uri = Uri.parse("<a href="http://maps.google.com/maps?f=d" target="_blank" rel="external">http://maps.google.com/maps?f=d</a>&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en"); Intent it = new Intent(Intent.ACTION_VIEW,URI); startActivity(it);

拨打电话:
调用拨号程序

1. Uri uri = Uri.parse( "tel:xxxxxx" );  
2.   
3. Intent it = new  Intent(Intent.ACTION_DIAL, uri);    
4.   
5. startActivity(it);   

Uri uri = Uri.parse("tel:xxxxxx"); Intent it = new Intent(Intent.ACTION_DIAL, uri); startActivity(it);

1. Uri uri = Uri.parse( "tel.xxxxxx" );  
2.   
3. Intent it =new  Intent(Intent.ACTION_CALL,uri);  
4.   
5. 要使用这个必须在配置文件中加入<uses-permission id="android.permission.CALL_PHONE"  />  

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" />


发送SMS/MMS
调用发送短信的程序

1. Intent it =  new  Intent(Intent.ACTION_VIEW);     
2.   
3. it.putExtra("sms_body" ,  "The SMS text" );     
4.   
5. it.setType("vnd.android-dir/mms-sms" );     
6.   
7. startActivity(it);  

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

1. Uri uri = Uri.parse( "smsto:0800000123" );     
2.   
3. Intent it = new  Intent(Intent.ACTION_SENDTO, uri);     
4.   
5. it.putExtra("sms_body" ,  "The SMS text" );     
6.   
7. startActivity(it);  

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

发送彩信

1. Uri uri = Uri.parse( "content://media/external/images/media/23" );     
2.   
3. Intent it = new  Intent(Intent.ACTION_SEND);     
4.   
5. it.putExtra("sms_body" ,  "some text" );     
6.   
7. it.putExtra(Intent.EXTRA_STREAM, uri);     
8.   
9. it.setType("image/png" );     
10.   
11. startActivity(it);   

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Email

1. Uri uri = Uri.parse( "mailto:xxx@abc.com" );  
2.   
3. Intent it = new  Intent(Intent.ACTION_SENDTO, uri);  
4.   
5. startActivity(it);  

Uri uri = Uri.parse("mailto:xxx@abc.com"); Intent it = new Intent(Intent.ACTION_SENDTO, uri); startActivity(it);

1. Intent it =  new  Intent(Intent.ACTION_SEND);     
2.   
3. it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com" );     
4.   
5. it.putExtra(Intent.EXTRA_TEXT, "The email body text" );     
6.   
7. it.setType("text/plain" );     
8.   
9. startActivity(Intent.createChooser(it, "Choose Email Client" ));  

Intent it = new Intent(Intent.ACTION_SEND); it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com"); it.putExtra(Intent.EXTRA_TEXT, "The email body text"); it.setType("text/plain"); startActivity(Intent.createChooser(it, "Choose Email Client"));

1. Intent it= new  Intent(Intent.ACTION_SEND);       
2.   
3. String[] tos={"me@abc.com" };       
4.   
5. String[] ccs={"you@abc.com" };       
6.   
7. it.putExtra(Intent.EXTRA_EMAIL, tos);       
8.   
9. it.putExtra(Intent.EXTRA_CC, ccs);       
10.   
11. it.putExtra(Intent.EXTRA_TEXT, "The email body text" );       
12.   
13. it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text" );       
14.   
15. it.setType("message/rfc822" );       
16.   
17. startActivity(Intent.createChooser(it, "Choose Email Client" ));   

Intent it=new Intent(Intent.ACTION_SEND); String[] tos={"me@abc.com"}; String[] ccs={"you@abc.com"}; 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"));


添加附件

1. Intent it =  new  Intent(Intent.ACTION_SEND);     
2.   
3. it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text" );     
4.   
5. it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3" );     
6.   
7. sendIntent.setType("audio/mp3" );     
8.   
9. startActivity(Intent.createChooser(it, "Choose Email Client" ));  

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

1. Intent it =  new  Intent(Intent.ACTION_VIEW);  
2.   
3. Uri uri = Uri.parse("file:///sdcard/song.mp3" );  
4.   
5. it.setDataAndType(uri, "audio/mp3" );  
6.   
7. startActivity(it);  

Intent it = new Intent(Intent.ACTION_VIEW); Uri uri = Uri.parse("file:///sdcard/song.mp3"); it.setDataAndType(uri, "audio/mp3"); startActivity(it);

1. Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI,  "1" );     
2.   
3. Intent it = new  Intent(Intent.ACTION_VIEW, uri);     
4.   
5. 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

1. Uri uri = Uri.fromParts( "package" , strPackageName,  null );     
2.   
3. Intent it = new  Intent(Intent.ACTION_Delete, uri);     
4.   
5. startActivity(it);  

Uri uri = Uri.fromParts("package", strPackageName, null); Intent it = new Intent(Intent.ACTION_Delete, uri); startActivity(it);


uninstall apk

1. Uri uninstallUri = Uri.fromParts( "package" ,  "xxx" ,  null );  
2. returnIt = new  Intent(Intent.ACTION_Delete, uninstallUri);  

Uri uninstallUri = Uri.fromParts("package", "xxx", null); returnIt = new Intent(Intent.ACTION_Delete, uninstallUri);


install apk

1. Uri installUri = Uri.fromParts( "package" ,  "xxx" ,  null );  
2. returnIt = new  Intent(Intent.ACTION_PACKAGE_ADDED, installUri);  

Uri installUri = Uri.fromParts("package", "xxx", null); returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);


play audio

1. Uri playUri = Uri.parse( "file:///sdcard/download/everything.mp3" );  
2. returnIt = new  Intent(Intent.ACTION_VIEW, playUri);  

Uri playUri = Uri.parse("file:///sdcard/download/everything.mp3"); returnIt = new Intent(Intent.ACTION_VIEW, playUri);

发送附件

1. Intent it =  new  Intent(Intent.ACTION_SEND);    
2.   
3. it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text" );    
4.   
5. it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/eoe.mp3" );    
6.   
7. sendIntent.setType("audio/mp3" );    
8.   
9. startActivity(Intent.createChooser(it, "Choose Email Client" ));  

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


Market相关：

1. //搜索应用   
2.   
3. Uri uri = Uri.parse("market://search?q=pname:pkg_name" );    
4.   
5. Intent it = new  Intent(Intent.ACTION_VIEW, uri);    
6.   
7. startActivity(it);    
8.   
9. //where pkg_name is the full package path for an application     
10.   
11.   
12.   
13. //显示指定应用的详细页面（这个好像不支持了，找不到app_id）   
14.   
15. Uri uri = Uri.parse("market://details?id=app_id" );    
16.   
17. Intent it = new  Intent(Intent.ACTION_VIEW, uri);    
18.   
19. startActivity(it);    
20.   
21. //where app_id is the application ID, find the ID     
22.   
23. //by clicking on your application on Market home     
24.   
25. //page, and notice the ID from the address bar