Java tutorial
/* * Copyright (C) 2014 Saravan Pantham * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.Duo.music.player.Services; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.support.v4.content.LocalBroadcastManager; import com.Duo.music.player.R; import com.Duo.music.player.NowPlayingActivity.NowPlayingActivity; import com.Duo.music.player.Utils.Common; import com.google.android.apps.dashclock.api.DashClockExtension; import com.google.android.apps.dashclock.api.ExtensionData; public class DashClockExtensionService extends DashClockExtension { private Common mApp; private BroadcastReceiver receiver; private String status; private String expandedTitle; private String expandedBody; @Override public void onCreate() { super.onCreate(); mApp = (Common) this.getApplicationContext(); //Register a broadcast listener to listen for track updates. receiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { updateExtensionData(); } }; LocalBroadcastManager.getInstance(this).registerReceiver((receiver), new IntentFilter("com.jams.music.player.NEW_SONG_UPDATE_UI")); } @Override protected void onUpdateData(int reason) { //Nope. } private void updateExtensionData() { ExtensionData data = new ExtensionData(); //Publish the extension data update. if (mApp.isServiceRunning()) { //Show the extension with updated data. try { status = "Playing"; expandedTitle = mApp.getService().getCurrentSong().getTitle(); expandedBody = mApp.getService().getCurrentSong().getAlbum() + " - " + mApp.getService().getCurrentSong().getArtist(); Intent notificationIntent = new Intent(this, NowPlayingActivity.class); notificationIntent.putExtra("CALLED_FROM_FOOTER", true); notificationIntent.putExtra("CALLED_FROM_NOTIF", true); //Publish the extension data update. publishUpdate(data.visible(true).icon(R.drawable.dashclock_icon).status(status) .expandedTitle(expandedTitle).expandedBody(expandedBody).clickIntent(notificationIntent)); } catch (Exception e) { e.printStackTrace(); //Hide the extension. publishUpdate(data.visible(false)); } } else { //Hide the extension. publishUpdate(data.visible(false)); } } @Override public void onDestroy() { super.onDestroy(); LocalBroadcastManager.getInstance(this).unregisterReceiver(receiver); } }