Java tutorial
/** * Mupen64PlusAE, an N64 emulator for the Android platform * * Copyright (C) 2013 Paul Lamb * * This file is part of Mupen64PlusAE. * * Mupen64PlusAE is free software: you can redistribute it and/or modify it under the terms of the * GNU General Public License as published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * Mupen64PlusAE is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along with Mupen64PlusAE. If * not, see <http://www.gnu.org/licenses/>. * * Authors: littleguy77 */ package paulscode.android.mupen64plusae.task; import java.io.File; import org.mupen64plusae.v3.alpha.R; import paulscode.android.mupen64plusae.ActivityHelper; import paulscode.android.mupen64plusae.GalleryActivity; import paulscode.android.mupen64plusae.dialog.ProgressDialog; import paulscode.android.mupen64plusae.dialog.ProgressDialog.OnCancelListener; import paulscode.android.mupen64plusae.persistent.AppData; import paulscode.android.mupen64plusae.persistent.GlobalPrefs; import paulscode.android.mupen64plusae.util.FileUtil; import paulscode.android.mupen64plusae.util.TextureInfo; import android.app.PendingIntent; import android.app.Service; import android.content.Intent; import android.os.Binder; import android.os.Bundle; import android.os.Handler; import android.os.HandlerThread; import android.os.IBinder; import android.os.Looper; import android.os.Message; import android.os.Process; import android.support.v4.app.NotificationCompat; import android.text.TextUtils; import android.widget.Toast; public class ExtractTexturesService extends Service { private String mZipPath; private int mStartId; private Looper mServiceLooper; private ServiceHandler mServiceHandler; private final IBinder mBinder = new LocalBinder(); private ExtractTexturesListener mListener = null; final static int ONGOING_NOTIFICATION_ID = 1; public interface ExtractTexturesListener { //This is called once the ROM scan is finished void onExtractTexturesFinished(); //This is called when the service is destroyed void onExtractTexturesServiceDestroyed(); //This is called to get a progress dialog object ProgressDialog GetProgressDialog(); } /** * Class used for the client Binder. Because we know this service always * runs in the same process as its clients, we don't need to deal with IPC. */ public class LocalBinder extends Binder { public ExtractTexturesService getService() { // Return this instance of ExtractTexturesService so clients can call public methods return ExtractTexturesService.this; } } // Handler that receives messages from the thread private final class ServiceHandler extends Handler { public ServiceHandler(Looper looper) { super(looper); } @Override public void handleMessage(Message msg) { File searchPathFile = new File(mZipPath); if (mZipPath == null) throw new IllegalArgumentException("Root path cannot be null"); if (!searchPathFile.exists()) throw new IllegalArgumentException("Root path does not exist: " + searchPathFile.getAbsolutePath()); AppData appData = new AppData(ExtractTexturesService.this); GlobalPrefs globalPrefs = new GlobalPrefs(ExtractTexturesService.this, appData); if (mZipPath.toLowerCase().endsWith("zip")) { String headerName = TextureInfo.getTexturePackName(mZipPath); if (!TextUtils.isEmpty(headerName)) { String outputFolder = globalPrefs.hiResTextureDir + headerName; FileUtil.deleteFolder(new File(outputFolder)); FileUtil.unzipAll(new File(mZipPath), outputFolder); } else { final String text = getString(R.string.pathHiResTexturesTask_errorMessage); Handler handler = new Handler(Looper.getMainLooper()); handler.post(new Runnable() { @Override public void run() { Toast.makeText(ExtractTexturesService.this.getApplicationContext(), text, Toast.LENGTH_SHORT).show(); } }); } } else if (mZipPath.toLowerCase().endsWith("htc")) { if (mZipPath.toLowerCase().endsWith("_hirestextures.htc")) { FileUtil.copyFile(new File(mZipPath), new File(globalPrefs.textureCacheDir + "/" + new File(mZipPath).getName())); } else { final String text = getString(R.string.pathHiResTexturesTask_errorMessageInvalidHTC); Handler handler = new Handler(Looper.getMainLooper()); handler.post(new Runnable() { @Override public void run() { Toast.makeText(ExtractTexturesService.this.getApplicationContext(), text, Toast.LENGTH_SHORT).show(); } }); } } if (mListener != null) { mListener.onExtractTexturesFinished(); } // Stop the service using the startId, so that we don't stop // the service in the middle of handling another job stopSelf(msg.arg1); } } @Override public void onCreate() { // Start up the thread running the service. Note that we create a // separate thread because the service normally runs in the process's // main thread, which we don't want to block. We also make it // background priority so CPU-intensive work will not disrupt our UI. HandlerThread thread = new HandlerThread("ServiceStartArguments", Process.THREAD_PRIORITY_BACKGROUND); thread.start(); // Get the HandlerThread's Looper and use it for our Handler mServiceLooper = thread.getLooper(); mServiceHandler = new ServiceHandler(mServiceLooper); //Show the notification Intent notificationIntent = new Intent(this, GalleryActivity.class); PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, 0); NotificationCompat.Builder builder = new NotificationCompat.Builder(this).setSmallIcon(R.drawable.icon) .setContentTitle(getString(R.string.pathHiResTexturesTask_title)) .setContentText(getString(R.string.toast_pleaseWait)).setContentIntent(pendingIntent); startForeground(ONGOING_NOTIFICATION_ID, builder.build()); } @Override public int onStartCommand(Intent intent, int flags, int startId) { if (intent != null) { Bundle extras = intent.getExtras(); mZipPath = extras.getString(ActivityHelper.Keys.SEARCH_PATH); } mStartId = startId; // If we get killed, after returning from here, restart return START_STICKY; } @Override public void onDestroy() { if (mListener != null) { mListener.onExtractTexturesServiceDestroyed(); } } @Override public IBinder onBind(Intent intent) { return mBinder; } public void setExtractTexturesListener(ExtractTexturesListener extractTexturesListener) { mListener = extractTexturesListener; mListener.GetProgressDialog().setOnCancelListener(new OnCancelListener() { @Override public void OnCancel() { } }); // For each start request, send a message to start a job and deliver the // start ID so we know which request we're stopping when we finish the job Message msg = mServiceHandler.obtainMessage(); msg.arg1 = mStartId; mServiceHandler.sendMessage(msg); } }