// 调用浏览器

 Uri webViewUri = Uri.parse("http://blog.csdn.net/zuolongsnail");

 Intent intent = new Intent(Intent.ACTION_VIEW, webViewUri);  

 // 调用地图

 Uri mapUri = Uri.parse("geo:100,100");

 Intent intent = new Intent(Intent.ACTION_VIEW, mapUri);  

 // 播放mp3

 Uri playUri = Uri.parse("file:///sdcard/test.mp3");

 Intent intent = new Intent(Intent.ACTION_VIEW, playUri);

 intent.setDataAndType(playUri, "audio/mp3");  

 // 调用拨打电话

 Uri dialUri = Uri.parse("tel:10086");

 Intent intent = new Intent(Intent.ACTION_DIAL, dialUri);

 // 直接拨打电话，需要加上权限<uses-permission id="android.permission.CALL_PHONE" />

 Uri callUri = Uri.parse("tel:10086");

 Intent intent = new Intent(Intent.ACTION_CALL, callUri);  

 // 调用发邮件（这里要事先配置好的系统Email，否则是调不出发邮件界面的）

 Uri emailUri = Uri.parse("mailto:zuolongsnail@163.com");

 Intent intent = new Intent(Intent.ACTION_SENDTO, emailUri);

 // 直接发邮件

 Intent intent = new Intent(Intent.ACTION_SEND);

 String[] tos = { "zuolongsnail@gmail.com" };

 String[] ccs = { "zuolongsnail@163.com" };

 intent.putExtra(Intent.EXTRA_EMAIL, tos);

 intent.putExtra(Intent.EXTRA_CC, ccs);

 intent.putExtra(Intent.EXTRA_TEXT, "the email text");

 intent.putExtra(Intent.EXTRA_SUBJECT, "subject");

 intent.setType("text/plain");

 Intent.createChooser(intent, "Choose Email Client");  

 // 发短信

 Intent intent = new Intent(Intent.ACTION_VIEW);

 intent.putExtra("sms_body", "the sms text");

 intent.setType("vnd.android-dir/mms-sms");

 // 直接发短信

 Uri smsToUri = Uri.parse("smsto:10086");

 Intent intent = new Intent(Intent.ACTION_SENDTO, smsToUri);

 intent.putExtra("sms_body", "the sms text");

 // 发彩信

 Uri mmsUri = Uri.parse("content://media/external/images/media/23");

 Intent intent = new Intent(Intent.ACTION_SEND);

 intent.putExtra("sms_body", "the sms text");

 intent.putExtra(Intent.EXTRA_STREAM, mmsUri);

 intent.setType("image/png");  

 // 卸载应用

 Uri uninstallUri = Uri.fromParts("package", "com.app.test", null);

 Intent intent = new Intent(Intent.ACTION_DELETE, uninstallUri);

 // 安装应用

 Intent intent = new Intent(Intent.ACTION_VIEW);

 intent.setDataAndType(Uri.fromFile(new File("/sdcard/test.apk"), "application/vnd.android.package-archive");  

 // 在Android Market中查找应用

 Uri uri = Uri.parse("market://search?q=愤怒的小鸟");

 Intent intent = new Intent(Intent.ACTION_VIEW, uri);