displaying album art for music using picasso

问题

Hello I need to display album art for music files efficiently using Picasso. I already configured picasso in my app. But I am not able to display album art from internal storage for music files.

I tried this code but it's not working means no error but it doesn't display anything.

1. Using uri :

   cursor = getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, MediaStore.Audio.AudioColumns.DURATION + ">0", null, sortOrder);
   
   cursor.moveToFirst();
   
   a = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM_ID));
   
   l = Long.parseLong(a);
   final Uri sArtworkUri = Uri.parse("content://media/external/audio/albumart");
   Uri uri = ContentUris.withAppendedId(sArtworkUri, l);
   
   Picasso.with(MainActivity.this).load(uri).into(iv);
   

2. Using new File :

   cursor = getContentResolver().query(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, null, MediaStore.Audio.AudioColumns.DURATION + ">0", null, sortOrder);
   
   cursor.moveToFirst();
   
   a = cursor.getString(cursor.getColumnIndex(MediaStore.Audio.Media.ALBUM_ID));
   
   Picasso.with(this)
          .load(Uri.parse("file://"+a))
          .error(R.drawable.color_music_player_logo)
          .into(iv);
   

回答1:

Give Picasso absolute path to your image like this:

String name = "image.jpeg";
String dir = Environment.getExternalStorageDirectory().getAbsolutePath();
Picasso.with(context).load(new File(dir + File.separator + name)).into(iv);

or you can use filechooser so you can select which image to load or show list of images and onclick loads an image for you ....

来源：https://stackoverflow.com/questions/42623276/displaying-album-art-for-music-using-picasso