我尝试使用在MediaStore中找不到有关如何插入专辑的任何信息
Uri uri = contentResolver.insert(MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI, albumValues);
但我却说
Invalid uri
异常。这个uri可以很好地检索专辑,但是我不能用它插入一个。这是其余的代码:
ContentResolver contentResolver = getActivity().getContentResolver();
ContentValues albumValues = new ContentValues();
albumValues.put(Audio.Albums.ALBUM, mAlbumEditText.getText().toString());
albumValues.put(Audio.Albums.ARTIST, mArtistEditText.getText().toString());
int trackNo = 10;
albumValues.put(Audio.Albums.NUMBER_OF_SONGS, trackNo);
Uri uri = contentResolver.insert(MediaStore.Audio.Albums.EXTERNAL_CONTENT_URI, albumValues);
错误日志:
02-24 22:38:19.876: E/AndroidRuntime(5379): java.lang.UnsupportedOperationException: Invalid URI content://media/external/audio/albums
最佳答案
如果该文件夹不存在,则需要创建该文件夹,并将其附加到URI中。
//Create album folder if it doesn't exist
mImageDir = new File(Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_PICTURES), "MyAlbumName");
//Retrieve the path with the folder/filename concatenated
mImageFilePath = new File(mImageDir, "NameOfImage").getAbsolutePath();
//Create new content values
ContentValues values = new ContentValues();
values.put(MediaStore.Images.ImageColumns.DATA, mImageFilePath);
//Add whatever other content values you need
....
mUri = resolver.insert(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
编辑:
您缺少ContentValues的DATA部分。这指定了实际的文件路径,并且是必需的。
mAudioDir = new File(Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_MUSIC), "MyNewAlbumName");
mAudioFilePath = new File(mAudioDir, "myNewAudioFile.mp3").getAbsolutePath();
//This part is what you're missing
albumValues.put(MediaStore.Audio.AudioColumns.DATA, mAudioFilePath);
关于android - 在Android MediaStore中插入音频专辑,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/22018173/