android联系人、短信、邮件url总结
?到打电话界面
//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);??