CODEWITHSUNDEEP
javaandroidapispotify
BROKENCODE
BROKENCODE

Reputation: 85

Can't get playlist's tracks with kaaes Spotify web api

I'm a very noob user, I'm trying to play some tracks from Spotify in my Android app. Currently I'm using the kaaes API: https://github.com/kaaes/spotify-web-api-android

and I'm struggling to retrieve the tracks from a very specific Playlist and a very specific userId. It seems that I'm not able to do it, the only examples I found are old and don't help me. Here's what I tried:

Accessing list of playlists from Pager object

SpotifyApi api = new SpotifyApi();
SpotifyService spotify = api.getService();

spotify.getPlaylistTracks("USERID","PLAYLISTID", new Callback<Pager<PlaylistTrack>>() {
        @Override
            public void success(Pager<PlaylistTrack> playlistTrackPager, Response response) {
            Log.e("TEST", "GOT the tracks in playlist");
            List<PlaylistTrack> items = playlistTrackPager.items;
            for( PlaylistTrack pt : items){
                Log.e("TEST", pt.track.name + " - " + pt.track.id);
            }
        }
        @Override
            public void failure(RetrofitError error) {
                Log.e("TEST", "Could not get playlist tracks");
            }
    });

It enlights red Callback (when I call new Callback<Pager<PlaylistTrack>>()) and it says:

Cannot resolve symbol 'Callback'

If I alt+enter click on it it says:

Add library 'retrofit-2.4.0.retrofit-2.4.0' to classpath

If I do it, then it underlines all Callback<Pager<PlaylistTrack>>, with error:

then I alt+enter again and it says:

Class 'Anonymous Class derived from Callback' must either be declared abstract or implement abstract method 'onResponse(Call, Response) in 'Callback'

Then I alt+enter click again and I choose: Implements methods onResponse() and onFailure() and I adjust the old code with the new methods so it will be:

spotify.getPlaylistTracks("USERID","PLAYLISTID", new Callback<Pager<PlaylistTrack>>() {
            @Override
            public void onResponse(Call<Pager<PlaylistTrack>> playlistTrackPager, Response<Pager<PlaylistTrack>> response) {
                Log.e("TEST", "GOT the tracks in playlist");
                List<PlaylistTrack> items = playlistTrackPager.items;
                for( PlaylistTrack pt : items){
                    Log.e("TEST", pt.track.name + " - " + pt.track.id);
                }
            }

            @Override
            public void onFailure(Call<Pager<PlaylistTrack>> call, Throwable t) {
                Log.e("TEST", "Could not get playlist tracks");
            }
        });

But now, .items is enlighted red and says:

Cannot resolve symbol 'items'

I couldn't find anything online about this.. it seems that I'm not able to fit the old code examples I found with the new API methods.

Thank you

Upvotes: 2

Views: 903

Answers (1)

tomaculum
tomaculum

Reputation: 557

Your first code snipped does not show any errors in my test project. I guess there are issues with overlapping imports or other libraries.

Please check if it works if you add the following imports and remove the other retrofit/ kaaes imports:

import kaaes.spotify.webapi.android.SpotifyApi;
import kaaes.spotify.webapi.android.SpotifyService;
import kaaes.spotify.webapi.android.models.Pager;
import kaaes.spotify.webapi.android.models.PlaylistTrack;
import retrofit.Callback;
import retrofit.RetrofitError;
import retrofit.client.Response;

If this does not work, please remove the retrofit 2 library from your class path / project and try it again, since this wrapper still uses retrofit 1.9.0.

Upvotes: 2

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