Java tutorial
/* * Copyright (C) 2014 Michell Bak * * 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.miz.service; import android.app.IntentService; import android.app.Notification; import android.app.NotificationManager; import android.content.Context; import android.content.Intent; import android.database.Cursor; import android.graphics.Bitmap; import android.os.Bundle; import android.os.Handler; import android.os.Looper; import android.support.v4.app.NotificationCompat; import android.util.Log; import android.widget.Toast; import com.miz.db.DbAdapterTvShowEpisodeMappings; import com.miz.functions.ColumnIndexCache; import com.miz.functions.MizLib; import com.miz.functions.TvShowLibraryUpdateCallback; import com.miz.identification.ShowStructure; import com.miz.identification.TvShowIdentification; import com.miz.mizuu.MizuuApplication; import com.miz.mizuu.R; import com.miz.utils.FileUtils; import com.miz.utils.LocalBroadcastUtils; import java.io.File; import java.util.ArrayList; public class IdentifyTvShowService extends IntentService implements TvShowLibraryUpdateCallback { private boolean mDebugging = true; private String mNewShowId, mOldShowId, mLanguage; private ArrayList<ShowStructure> mFiles = new ArrayList<ShowStructure>(); private final int NOTIFICATION_ID = 4100; private int mEpisodeCount, mTotalFiles; private NotificationManager mNotificationManager; private NotificationCompat.Builder mBuilder; public IdentifyTvShowService() { super("IdentifyTvShowService"); } @Override public void onDestroy() { super.onDestroy(); log("onDestroy()"); if (mNotificationManager == null) mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); mNotificationManager.cancel(NOTIFICATION_ID); LocalBroadcastUtils.updateTvShowLibrary(this); } @Override protected void onHandleIntent(Intent intent) { if (MizLib.isTvShowLibraryBeingUpdated(this)) { Handler mHandler = new Handler(Looper.getMainLooper()); mHandler.post(new Runnable() { @Override public void run() { Toast.makeText(IdentifyTvShowService.this, R.string.cant_identify_while_updating, Toast.LENGTH_LONG).show(); } }); return; } log("clear()"); clear(); log("setup()"); setup(); log("Intent extras"); Bundle b = intent.getExtras(); mNewShowId = b.getString("newShowId"); mOldShowId = b.getString("oldShowId"); mLanguage = b.getString("language", "all"); log("setupList()"); setupList(); log("removeOldDatabaseEntries()"); removeOldDatabaseEntries(); log("start()"); start(); } private void setupList() { Cursor cursor = MizuuApplication.getTvShowEpisodeMappingsDbAdapter().getAllFilepaths(mOldShowId); ColumnIndexCache cache = new ColumnIndexCache(); try { while (cursor.moveToNext()) mFiles.add(new ShowStructure(cursor .getString(cache.getColumnIndex(cursor, DbAdapterTvShowEpisodeMappings.KEY_FILEPATH)))); } catch (Exception e) { } finally { cursor.close(); cache.clear(); } // Count all episodes for (ShowStructure ss : mFiles) { mTotalFiles += ss.getEpisodes().size(); } } private void removeOldDatabaseEntries() { // This will remove all episode mappings, episodes and the TV show from the database boolean result = MizuuApplication.getTvShowEpisodeMappingsDbAdapter().deleteAllFilepaths(mOldShowId); if (result) { // Delete the old TV show thumb and backdrop images FileUtils.getTvShowThumb(this, mOldShowId).delete(); FileUtils.getTvShowBackdrop(this, mOldShowId).delete(); // Delete season photos File[] seasonPhotos = MizuuApplication.getTvShowSeasonFolder(this).listFiles(); for (int i = 0; i < seasonPhotos.length; i++) { if (seasonPhotos[i].getName().startsWith(mOldShowId + "_S")) seasonPhotos[i].delete(); } // Delete episode photos File[] episodePhotos = MizuuApplication.getTvShowEpisodeFolder(this).listFiles(); for (int i = 0; i < episodePhotos.length; i++) { if (episodePhotos[i].getName().startsWith(mOldShowId + "_S")) episodePhotos[i].delete(); } LocalBroadcastUtils.updateTvShowLibrary(this); } } private void start() { TvShowIdentification identification = new TvShowIdentification(this, this, mFiles); identification.setShowId(mNewShowId); identification.setLanguage(mLanguage); identification.start(); } /** * Clear all instance variables * since this is an {@link IntentService}. */ private void clear() { mNewShowId = ""; mOldShowId = ""; mLanguage = ""; mFiles = new ArrayList<ShowStructure>(); } private void setup() { // Setup up notification mBuilder = new NotificationCompat.Builder(getApplicationContext()); mBuilder.setColor(getResources().getColor(R.color.color_primary)); mBuilder.setSmallIcon(R.drawable.ic_sync_white_24dp); mBuilder.setTicker(getString(R.string.identifying_show)); mBuilder.setContentTitle(getString(R.string.identifying_show)); mBuilder.setContentText(getString(R.string.gettingReady)); mBuilder.setOngoing(true); mBuilder.setOnlyAlertOnce(true); // Build notification Notification updateNotification = mBuilder.build(); // Show the notification mNotificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); mNotificationManager.notify(NOTIFICATION_ID, updateNotification); // Tell the system that this is an ongoing notification, so it shouldn't be killed startForeground(NOTIFICATION_ID, updateNotification); } @Override public void onTvShowAdded(String showId, String title, Bitmap cover, Bitmap backdrop, int count) { // We're done! } @Override public void onEpisodeAdded(String showId, String title, Bitmap cover, Bitmap photo) { mEpisodeCount++; updateEpisodeAddedNotification(showId, title, cover, photo); } private void updateEpisodeAddedNotification(String showId, String title, Bitmap cover, Bitmap backdrop) { String contentText = getString(R.string.stringJustAdded) + ": " + title; mBuilder.setLargeIcon(cover); mBuilder.setContentTitle(getString(R.string.identifying_show) + " (" + (int) ((100.0 / (double) mTotalFiles) * (double) mEpisodeCount) + "%)"); mBuilder.setContentText(contentText); mBuilder.setStyle( new NotificationCompat.BigPictureStyle().setSummaryText(contentText).bigPicture(backdrop)); // Show the updated notification mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build()); } private void log(String msg) { if (mDebugging) Log.d("IdentifyTvShowService", msg); } }