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Android Intent的几种用法全面总结

2019年07月29日 移动开发 ⁄ 共 2742字 ⁄ 字号 评论关闭

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("http://www.google.com");
  2. Intent it  = new Intent(Intent.ACTION_VIEW,uri);
  3. 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);

路径规划:

  1. Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");
  2. Intent it = new Intent(Intent.ACTION_VIEW,URI);
  3. startActivity(it);

拨打电话:
调用拨号程序

  1. Uri uri = Uri.parse("tel:xxxxxx");
  2. Intent it = new Intent(Intent.ACTION_DIAL, uri);  
  3. startActivity(it);  
  1. Uri uri = Uri.parse("tel.xxxxxx");
  2. Intent it =new Intent(Intent.ACTION_CALL,uri);
  3. 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. it.putExtra("sms_body", "The SMS text");   
  3. it.setType("vnd.android-dir/mms-sms");   
  4. startActivity(it);  

发送短信

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

发送彩信

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

发送Email

  1. Uri uri = Uri.parse("mailto:xxx@abc.com");
  2. Intent it = new Intent(Intent.ACTION_SENDTO, uri);
  3. startActivity(it);
  1. Intent it = new Intent(Intent.ACTION_SEND);   
  2. it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com");   
  3. it.putExtra(Intent.EXTRA_TEXT, "The email body text");   
  4. it.setType("text/plain");   
  5. startActivity(Intent.createChooser(it, "Choose Email Client"));  
  1. Intent it=new Intent(Intent.ACTION_SEND);     
  2. String[] tos={"me@abc.com"};     
  3. String[] ccs={"you@abc.com"};     
  4. it.putExtra(Intent.EXTRA_EMAIL, tos);     
  5. it.putExtra(Intent.EXTRA_CC, ccs);     
  6. it.putExtra(Intent.EXTRA_TEXT, "The email body text");     
  7. it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");     
  8. it.setType("message/rfc822");     
  9. startActivity(Intent.createChooser(it, "Choose Email Client"));   

添加附件

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

播放多媒体

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

Uninstall 程序

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

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