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Android通过程序打开mp3播放器播放音乐
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）; 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）;
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