//show webapp:Uri uri = Uri.parse("http://www.google.com");Intent it  = new Intent(Intent.ACTION_VIEW,uri);startActivity(it);//show maps:Uri uri = Uri.parse("geo:38.899533,-77.036476");Intent it = new Intent(Intent.Action_VIEW,uri);startActivity(it); //show waysUri 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);//call dial programUri 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);//don't forget add this config:
     //send sms/mms//call sender programIntent it = new Intent(Intent.ACTION_VIEW);   it.putExtra("sms_body", "The SMS text");   it.setType("vnd.android-dir/mms-sms");   startActivity(it);  //send smsUri uri = Uri.parse("smsto:0800000123");   Intent it = new Intent(Intent.ACTION_SENDTO, uri);   it.putExtra("sms_body", "The SMS text");   startActivity(it);  //send mmsUri uri = Uri.parse("content://media/external/p_w_picpaths/media/23");   Intent it = new Intent(Intent.ACTION_SEND);   it.putExtra("sms_body", "some text");   it.putExtra(Intent.EXTRA_STREAM, uri);   it.setType("p_w_picpath/png");   startActivity(it); //send 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"));   //add extraIntent 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"));//play mediaIntent 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);  //UninstallUri uri = Uri.fromParts("package", strPackageName, null);   Intent it = new Intent(Intent.ACTION_DELETE, uri);   startActivity(it);//uninstall apkUri uninstallUri = Uri.fromParts("package", "xxx", null);returnIt = new Intent(Intent.ACTION_DELETE, uninstallUri);//install apkUri installUri = Uri.fromParts("package", "xxx", null);returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);//play audioUri playUri = Uri.parse("file:///sdcard/download/everything.mp3");returnIt = new Intent(Intent.ACTION_VIEW, playUri);//send extraIntent 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"));//searchUri 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  //show program detail pageUri uri = Uri.parse("market://details?id=app_id");  Intent it = new Intent(Intent.ACTION_VIEW, uri);  startActivity(it);  //where app_id is the application ID, find the ID  //by clicking on your application on Market home  //page, and notice the ID from the address bar//search googleIntent intent = new Intent();intent.setAction(Intent.ACTION_WEB_SEARCH);intent.putExtra(SearchManager.QUERY,"searchString")startActivity(intent);

参考资料:http://wang-peng1.iteye.com/blog/825913