//调用浏览器 Java代码 Uri uri = Uri.parse(""); Intent it  = new Intent(Intent.ACTION_VIEW,uri); startActivity(it); //显示某个坐标在地图上 Java代码 Uri uri = Uri.parse("geo:38.899533,-77.036476"); Intent it = new Intent(Intent.Action_VIEW,uri); startActivity(it); //显示路径 Java代码 Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en"); Intent it = new Intent(Intent.ACTION_VIEW,URI); startActivity(it); //拨打电话 Java代码 Uri uri = Uri.parse("tel:10086"); Intent it = new Intent(Intent.ACTION_DIAL, uri);  startActivity(it); Uri uri = Uri.parse("tel.10086"); Intent it =new Intent(Intent.ACTION_CALL,uri); 需要添加 <uses-permission id="android.permission.CALL_PHONE" /> 这个权限到androidmanifest.xml //发送短信或彩信 Java代码 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 Java代码 Uri uri = Uri.parse("smsto:10086");   Intent it = new Intent(Intent.ACTION_SENDTO, uri);   it.putExtra("sms_body", "cwj");   startActivity(it);  //发送彩信 Java代码 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); //发送邮件 Java代码   Uri uri = Uri.parse("mailto:android123@163.com"); Intent it = new Intent(Intent.ACTION_SENDTO, uri); startActivity(it); Intent it = new Intent(Intent.ACTION_SEND);   it.putExtra(Intent.EXTRA_EMAIL, android123@163.com);   it.putExtra(Intent.EXTRA_TEXT, "The email body text");   it.setType("text/plain");   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"));   //播放媒体文件 Java代码 Intent it = new Intent(Intent.ACTION_VIEW); Uri uri = Uri.parse("file:///sdcard/cwj.mp3"); it.setDataAndType(uri, "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);  //卸载APK Java代码  Uri uri = Uri.fromParts("package", strPackageName, null);   Intent it = new Intent(Intent.ACTION_DELETE, uri);   startActivity(it); //卸载apk 2 Java代码 Uri uninstallUri = Uri.fromParts("package", "xxx", null); returnIt = new Intent(Intent.ACTION_DELETE, uninstallUri); //安装APK Java代码 Uri installUri = Uri.fromParts("package", "xxx", null); returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri); //播放音乐 Java代码 Uri playUri = Uri.parse("file:///sdcard/download/sth.mp3"); returnIt = new Intent(Intent.ACTION_VIEW, playUri); //发送附近 Java代码 Intent it = new Intent(Intent.ACTION_SEND);  it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");  it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/cwj.mp3");  sendIntent.setType("audio/mp3");  startActivity(Intent.createChooser(it, "Choose Email Client")); //market上某个应用信,pkg_name就是应用的packageName Java代码 Uri uri = Uri.parse("market://search?q=pname:pkg_name");  Intent it = new Intent(Intent.ACTION_VIEW, uri);  startActivity(it);  //market上某个应用信息,app_id可以通过www网站看下 Java代码 Uri uri = Uri.parse("market://details?id=app_id");  Intent it = new Intent(Intent.ACTION_VIEW, uri);  startActivity(it);  //调用搜索 Java代码 Intent intent = new Intent();    intent.setAction(Intent.ACTION_WEB_SEARCH);    intent.putExtra(SearchManager.QUERY,"android123"); startActivity(intent);