Android Intent应用，打开网页，安装程序，打电话，打开地图等功能

//1.从google搜索内容Intent intent = new Intent();intent.setAction(Intent.ACTION_WEB_SEARCH);intent.putExtra(SearchManager.QUERY,"searchString")startActivity(intent); //2.浏览网页Uri uri = Uri.parse("http://www.google.com");Intent it  = new Intent(Intent.ACTION_VIEW,uri);startActivity(it); //3.显示地图Uri uri = Uri.parse("geo:38.899533,-77.036476");Intent it = new Intent(Intent.Action_VIEW,uri);startActivity(it);//4.路径规划Uri uri = Uri.parse("http://maps.google.com/maps?f=dsaddr=startLat startLng&daddr=endLat endLng&hl=en");Intent it = new Intent(Intent.ACTION_VIEW,URI);startActivity(it); //5.拨打电话Uri uri = Uri.parse("tel:xxxxxx");Intent it = new Intent(Intent.ACTION_DIAL, uri); startActivity(it);//6.调用发短信的程序Intent it = new Intent(Intent.ACTION_VIEW);  it.putExtra("sms_body", "The SMS text");  it.setType("vnd.android-dir/mms-sms");  startActivity(it);  //7.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);String body="this is sms demo";Intent mmsintent = new Intent(Intent.ACTION_SENDTO, Uri.fromParts("smsto", number, null));mmsintent.putExtra(Messaging.KEY_ACTION_SENDTO_MESSAGE_BODY, body);mmsintent.putExtra(Messaging.KEY_ACTION_SENDTO_COMPOSE_MODE, true);mmsintent.putExtra(Messaging.KEY_ACTION_SENDTO_EXIT_ON_SENT, true);startActivity(mmsintent); //8.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);StringBuilder sb = new StringBuilder();sb.append("file://");sb.append(fd.getAbsoluteFile());Intent intent = new Intent(Intent.ACTION_SENDTO, Uri.fromParts("mmsto", number, null));// Below extra datas are all optional.intent.putExtra(Messaging.KEY_ACTION_SENDTO_MESSAGE_SUBJECT, subject);intent.putExtra(Messaging.KEY_ACTION_SENDTO_MESSAGE_BODY, body);intent.putExtra(Messaging.KEY_ACTION_SENDTO_CONTENT_URI, sb.toString());intent.putExtra(Messaging.KEY_ACTION_SENDTO_COMPOSE_MODE, composeMode);intent.putExtra(Messaging.KEY_ACTION_SENDTO_EXIT_ON_SENT, exitOnSent);startActivity(intent); //9.发送EmailUri uri = Uri.parse("mailto:[e-mail]");Intent it = new Intent(Intent.ACTION_SENDTO, uri);startActivity(it);Intent it = new Intent(Intent.ACTION_SEND);  it.putExtra(Intent.EXTRA_EMAIL, "[e-mail]");  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={"[e-mail]"};    String[] ccs={"[e-mail]"};    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"));  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"));  //10.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);   //11.卸载apkUri uri = Uri.fromParts("package", strPackageName, null);  Intent it = new Intent(Intent.ACTION_DELETE, uri);  startActivity(it);  //12.安装apkUri installUri = Uri.fromParts("package", "xxx", null);returnIt = new Intent(Intent.ACTION_PACKAGE_ADDED, installUri);  由www.J2meGame.com精心收集。