调用android系统自带的效能

//显示网页: 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=startLat20startLng&daddr=endLat%20endLng&hl=en");Intent it = new Intent(Intent.ACTION_VIEW,URI);startActivity(it); //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  发送SMS/MMS//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EmailUri uri = Uri.parse("mailto:[email protected]");Intent it = new Intent(Intent.ACTION_SENDTO, uri);startActivity(it);Intent it = new Intent(Intent.ACTION_SEND);it.putExtra(Intent.EXTRA_EMAIL, "[email protected]");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={"[email protected]"};String[] ccs={"[email protected]"};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"));  //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);