labystudio / java-spotify-api Goto Github PK

public class Main {
    public static void main(String[] args) {
        System.out.println("Hello world!");

        SpotifyController controller = new SpotifyController("http://192.168.188.74/api/custom?name=Spotify");

        controller.register();


    }
}

import de.labystudio.spotifyapi.SpotifyAPI;
import de.labystudio.spotifyapi.SpotifyAPIFactory;
import de.labystudio.spotifyapi.SpotifyListener;
import de.labystudio.spotifyapi.model.Track;

public class SpotifyController 
{   


    private SpotifyAPI spotify;
    Httpcontroller httpcontroller;

    SpotifyController(String url)
    {
        spotify = SpotifyAPIFactory.create();
        httpcontroller = new Httpcontroller("http://192.168.188.74/api/custom?name=Spotify");
    }

    public void register()
    {
        spotify.registerListener(new SpotifyListener() 
        {
        
            @Override
            public void onConnect() {
                System.out.println("Connected to Spotify!");
            }
            
            @Override
            public void onTrackChanged(Track track) {
                System.out.println("Track changed:" + track);
            }
            
            @Override
            public void onPositionChanged(int position) {
                /*if (!spotify.hasTrack()) {
                    return;
                }
                
                int length =spotify.getTrack().getLength();
                float percentage = 100.0F / length * position;
                
                System.out.printf(
                    "Position changed: %s of %s (%d%%)\n",
                    formatDuration(position),
                    formatDuration(length),
                    (int) percentage
                );*/

                System.out.println("Position change: " + position);
            }
            
            @Override
            public void onPlayBackChanged(boolean isPlaying) {
                System.out.println(isPlaying ? "Song started playing" : "Song stopped playing");
            }
            
            @Override
            public void onSync() {
                
            }
            
            @Override
            public void onDisconnect(Exception exception) {
                System.out.println("Disconnected: " + exception.getMessage());
                
                spotify.stop();
            }

        });

        spotify.initialize();
    }
    


}

java.lang.NullPointerException: Cannot read field "id" because "openTrack" is null
	at de.labystudio.spotifyapi.open.OpenSpotifyAPI.requestOpenTrack(OpenSpotifyAPI.java:247)
	at de.labystudio.spotifyapi.platform.windows.WinSpotifyAPI.onTick(WinSpotifyAPI.java:75)
	at de.labystudio.spotifyapi.platform.AbstractTickSpotifyAPI.onInternalTick(AbstractTickSpotifyAPI.java:69)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
	at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:305)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.lang.Thread.run(Thread.java:833)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:560)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:211)
at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:189)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
at com.google.common.eventbus.EventBus.post(EventBus.java:275)
at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:556)

... 16 more