Intent的几种用法

显示网页 

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

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);   
   4. //where startLat, startLng, endLat, endLng are a long with 6 decimals like: 50.123456   

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

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

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

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

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

传送 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"));  

   1. //传送附件 
   2. Intent it = new Intent(Intent.ACTION_SEND);   
   3. it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");   
   4. it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3");   
   5. sendIntent.setType("audio/mp3");   
   6. 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);