Intent

Uri uri = Uri.parse("http://www.google.com");

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

startActivity(it);


显示地图:

Uri uri = Uri.parse("geo:38.899533,-77.036476");

Intent it = new Intent(Intent.Action_VIEW,uri);

startActivity(it);


路径规划:

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:
调用拨号程序

Uri uri = Uri.parse("tel:xxxxxx");

Intent it = new Intent(Intent.ACTION_DIAL, uri);   

startActivity(it);   

Uri uri = Uri.parse("tel.xxxxxx");

Intent it =new Intent(Intent.ACTION_CALL,uri);

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

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

Uri uri = Uri.parse("smsto:0800000123");   

Intent it = new Intent(Intent.ACTION_SENDTO, uri);   

it.putExtra("sms_body", "The SMS text");   

startActivity(it);   

发送彩信

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Email

Uri uri = Uri.parse("mailto:xxx@abc.com");

Intent it = new Intent(Intent.ACTION_SENDTO, uri);

startActivity(it);
Intent it = new Intent(Intent.ACTION_SEND);   

it.putExtra(Intent.EXTRA_EMAIL, "me@abc.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"));   

添加附件

Intent it = new Intent(Intent.ACTION_SEND);   

it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");   

it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3");   

sendIntent.setType("audio/mp3");   

startActivity(Intent.createChooser(it, "Choose Email Client"));
//发送附件

Intent it = new Intent(Intent.ACTION_SEND);   

it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");   

it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/eoe.mp3");   

sendIntent.setType("audio/mp3");   

startActivity(Intent.createChooser(it, "Choose Email Client"));
播放多媒体

Intent it = new Intent(Intent.ACTION_VIEW);

Uri uri = Uri.parse("file:///sdcard/song.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);   


Uninstall 程序

Uri uri = Uri.fromParts("package", strPackageName, null);   

Intent it = new Intent(Intent.ACTION_DELETE, uri);   

startActivity(it);
uninstall apk

Uri uninstallUri = Uri.fromParts("package", "xxx", null);

returnIt = new Intent(Intent.ACTION_DELETE, uninstallUri);
install apk

Intent intent = new Intent(Intent.ACTION_VIEW);   
intent.setDataAndType(Uri.parse("file:///sdcard/test.apk"), "application/vnd.android.package-archive");   
            
startActivity(intent);   
play audio

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

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

//搜索应用

Uri uri = Uri.parse("market://search?q=pname:pkg_name");   

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

startActivity(it);   

//where pkg_name is the full package path for an application   

//显示指定应用的详细页面（这个好像不支持了，找不到app_id）

Uri uri = Uri.parse("market://details?id=app_id");   

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

startActivity(it);