使用Intent启动常用的应用与服务

以下ATAAW.COM列举了一些在Android中常用的Intent启动服务，当执行startActivity时候，Android将会根据Intent绑定的信息寻找最合适的启动程序来接应，并执行程序以完成意图的实现。

打开浏览器显示网页: 
Uri uri = Uri.parse("http://www.ataaw.com"); 
Intent intent  = new Intent(Intent.ACTION_VIEW,uri); 
startActivintenty(intent);

由地图参数显示地图: 
Uri uri = Uri.parse("geo:38.899533,-77.036476"); 
Intent intent = new Intent(Intent.Action_VIEW,uri); 
startActivintenty(intent);

拨打电话，调用拨号程序: 
Uri uri = Uri.parse("tel:13800138000"); 
Intent intent = new Intent(Intent.ACTION_DIAL, uri);  
startActivintenty(intent); 

调用发送短信的程序发送SMS/MMS 
Intent intent = new Intent(Intent.ACTION_VIEW);   
intent.putExtra("sms_body", "ATAAW.COM");   
intent.setType("vnd.android-dir/mms-sms");   
startActivintenty(intent); 

调用短信程序发送短信 
Uri uri = Uri.parse("smsto:13800138000");   
Intent intent = new Intent(Intent.ACTION_SENDTO, uri);   
intent.putExtra("sms_body", "ATAAW.COM");   
startActivintenty(intent); 

调用彩信服务发送彩信 
Uri uri = Uri.parse("content://media/external/images/media/exp");   
Intent intent = new Intent(Intent.ACTION_SEND);   
intent.putExtra("sms_body", "ATAAW.COM");   
intent.putExtra(Intent.EXTRA_STREAM, uri);   
intent.setType("image/png");   
startActivintenty(intent);

启动邮件应用程序发送Email 
Uri uri = Uri.parse("mailto:[email protected]"); 
Intent intent = new Intent(Intent.ACTION_SENDTO, uri); 
startActivintenty(intent);

Intent intent = new Intent(Intent.ACTION_SEND);   
intent.putExtra(Intent.EXTRA_EMAIL, "[email protected]");   
intent.putExtra(Intent.EXTRA_TEXT, "邮件内容。");   
intent.setType("text/plain");   
startActivintenty(Intent.createChooser(intent, "Choose Email Client")); 

Intent intent=new Intent(Intent.ACTION_SEND);     
String[] tos={"[email protected]"};     
String[] ccs={"[email protected]"};     
intent.putExtra(Intent.EXTRA_EMAIL, tos);     
intent.putExtra(Intent.EXTRA_CC, ccs);     
intent.putExtra(Intent.EXTRA_TEXT, "邮件内容。");     
intent.putExtra(Intent.EXTRA_SUBJECT, "邮件主题");     
intent.setType("message/rfc822");     
startActivintenty(Intent.createChooser(intent, "Choose Email Client"));  

添加邮件附件内容 
Intent intent = new Intent(Intent.ACTION_SEND);   
intent.putExtra(Intent.EXTRA_SUBJECT, "主题");   
intent.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/ataaw.mp3");   
sendIntent.setType("audio/mp3");   
startActivintenty(Intent.createChooser(intent, "Choose Email Client"));

播放mp4多媒体文件 
Intent intent = new Intent(Intent.ACTION_VIEW); 
Uri uri = Uri.parse("file:///sdcard/ataaw.mp3"); 
intent.setDataAndType(uri, "audio/mp3"); 
startActivintenty(intent);