CurrentMuzeiComplication.java

package net.darkdna.amanda.standaloneweartest.complications;

import android.graphics.drawable.Icon;
import android.os.AsyncTask;
import android.support.wearable.complications.ComplicationData;
import android.support.wearable.complications.ComplicationManager;
import android.support.wearable.complications.ComplicationProviderService;
import android.util.Log;

import com.google.android.apps.muzei.api.MuzeiContract;

import java.io.FileNotFoundException;

/**
 * Simple Muzei current image forwarding from the API to an LARGE_IMAGE complication.
 * 
 * Created by amandacameron on 5/29/16.
 */
public class CurrentMuzeiComplication extends ComplicationProviderService {
    static final String TAG = "CurrentMuzeiProvider";

    @Override
    public void onComplicationUpdate(int complId, int type, ComplicationManager complicationManager) {
        if(type == ComplicationData.TYPE_LARGE_IMAGE) {
            new GetArtworkTask(complId, complicationManager).execute();
        }
    }

    private class GetArtworkTask extends AsyncTask<Void, Void, ComplicationData> {
        private ComplicationManager complicationManager;
        private int complId;

        public GetArtworkTask(int complId, ComplicationManager complicationManager) {
            this.complicationManager = complicationManager;
            this.complId = complId;
        }

        @Override
        protected ComplicationData doInBackground(Void... params) {
            try {
                return new ComplicationData.Builder(ComplicationData.TYPE_LARGE_IMAGE)
                        .setLargeImage(Icon.createWithBitmap(
                                MuzeiContract.Artwork.getCurrentArtworkBitmap(CurrentMuzeiComplication.this)))
                        .build();
            } catch(FileNotFoundException e) {
                Log.e(TAG, "Couldn't load image.", e);
            }

            return null;
        }

        @Override
        protected void onPostExecute(ComplicationData data) {
            complicationManager.updateComplicationData(complId, data);
        }
    }
}