Java tutorial
/* This file is part of Bodhi Timer. Bodhi Timer 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. Bodhi Timer 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 Bodhi Timer. If not, see <http://www.gnu.org/licenses/>. */ package org.yuttadhammo.BodhiTimer; import java.io.IOException; import java.util.Date; import android.app.AlarmManager; import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.SharedPreferences; import android.media.MediaPlayer; import android.media.MediaPlayer.OnCompletionListener; import android.net.Uri; import android.os.SystemClock; import android.os.Vibrator; import android.preference.PreferenceManager; import android.speech.tts.TextToSpeech; import android.support.v4.app.NotificationCompat; import android.support.v4.app.TaskStackBuilder; import android.util.Log; public class TimerReceiver extends BroadcastReceiver { private final static String TAG = "TimerReceiver"; final static String CANCEL_NOTIFICATION = "CANCEL_NOTIFICATION"; public static MediaPlayer player; public static String BROADCAST_RESET = "org.yuttadhammo.BodhiTimer.RESTART"; private TextToSpeech tts; @Override public void onReceive(Context context, Intent pintent) { Log.v(TAG, "ALARM: received alarm"); NotificationManager mNM = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE); if (player != null) { Log.v(TAG, "Releasing media player..."); try { player.release(); player = null; } catch (Exception e) { e.printStackTrace(); player = null; } finally { // do nothing } } // Cancel notification and return... if (CANCEL_NOTIFICATION.equals(pintent.getAction())) { Log.v(TAG, "Cancelling notification..."); mNM.cancelAll(); return; } // ...or display a new one Log.v(TAG, "Showing notification..."); player = new MediaPlayer(); int setTime = pintent.getIntExtra("SetTime", 0); String setTimeStr = TimerUtils.time2humanStr(context, setTime); Log.v(TAG, "Time: " + setTime); CharSequence text = context.getText(R.string.Notification); CharSequence textLatest = String.format(context.getString(R.string.timer_for_x), setTimeStr); // Load the settings SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); boolean led = prefs.getBoolean("LED", true); boolean vibrate = prefs.getBoolean("Vibrate", true); String notificationUri = ""; boolean useAdvTime = prefs.getBoolean("useAdvTime", false); String advTimeString = prefs.getString("advTimeString", ""); String[] advTime = null; int advTimeIndex = 1; if (useAdvTime && advTimeString.length() > 0) { advTime = advTimeString.split("\\^"); advTimeIndex = prefs.getInt("advTimeIndex", 1); String[] thisAdvTime = advTime[advTimeIndex - 1].split("#"); // will be of format timeInMs#pathToSound if (thisAdvTime.length == 3) notificationUri = thisAdvTime[1]; if (notificationUri.equals("sys_def")) notificationUri = prefs.getString("NotificationUri", "android.resource://org.yuttadhammo.BodhiTimer/" + R.raw.bell); } else notificationUri = prefs.getString("NotificationUri", "android.resource://org.yuttadhammo.BodhiTimer/" + R.raw.bell); Log.v(TAG, "notification uri: " + notificationUri); if (notificationUri.equals("system")) notificationUri = prefs.getString("SystemUri", ""); else if (notificationUri.equals("file")) notificationUri = prefs.getString("FileUri", ""); else if (notificationUri.equals("tts")) { notificationUri = ""; final String ttsString = prefs.getString("tts_string", context.getString(R.string.timer_done)); Intent ttsIntent = new Intent(context, TTSService.class); ttsIntent.putExtra("spoken_text", ttsString); context.startService(ttsIntent); } NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context.getApplicationContext()) .setSmallIcon(R.drawable.notification).setContentTitle(text).setContentText(textLatest); Uri uri = null; // Play a sound! if (!notificationUri.equals("")) uri = Uri.parse(notificationUri); // Vibrate if (vibrate && uri == null) { mBuilder.setDefaults(Notification.DEFAULT_VIBRATE); } // Have a light if (led) { mBuilder.setLights(0xff00ff00, 300, 1000); } mBuilder.setAutoCancel(true); // Creates an explicit intent for an Activity in your app Intent resultIntent = new Intent(context, TimerActivity.class); // The stack builder object will contain an artificial back stack for the // started Activity. // This ensures that navigating backward from the Activity leads out of // your application to the Home screen. TaskStackBuilder stackBuilder = TaskStackBuilder.create(context); // Adds the back stack for the Intent (but not the Intent itself) stackBuilder.addParentStack(TimerActivity.class); // Adds the Intent that starts the Activity to the top of the stack stackBuilder.addNextIntent(resultIntent); PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT); mBuilder.setContentIntent(resultPendingIntent); NotificationManager mNotificationManager = (NotificationManager) context .getSystemService(Context.NOTIFICATION_SERVICE); // Create intent for cancelling the notification Context appContext = context.getApplicationContext(); Intent intent = new Intent(appContext, TimerReceiver.class); intent.setAction(CANCEL_NOTIFICATION); // Cancel the pending cancellation and create a new one PendingIntent pendingCancelIntent = PendingIntent.getBroadcast(appContext, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT); if (uri != null) { //remove notification sound mBuilder.setSound(null); try { if (player != null && player.isPlaying()) { player.release(); player = new MediaPlayer(); } int currVolume = prefs.getInt("tone_volume", 0); if (currVolume != 0) { float log1 = (float) (Math.log(100 - currVolume) / Math.log(100)); player.setVolume(1 - log1, 1 - log1); } player.setDataSource(context, uri); player.prepare(); player.setLooping(false); player.setOnCompletionListener(new OnCompletionListener() { @Override public void onCompletion(MediaPlayer mp) { // TODO Auto-generated method stub mp.release(); } }); player.start(); if (vibrate) { Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE); vibrator.vibrate(1000); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } if (prefs.getBoolean("AutoClear", false)) { // Determine duration of notification sound int duration = 5000; if (uri != null) { MediaPlayer cancelPlayer = new MediaPlayer(); try { cancelPlayer.setDataSource(context, uri); cancelPlayer.prepare(); duration = Math.max(duration, cancelPlayer.getDuration() + 2000); } catch (java.io.IOException ex) { Log.e(TAG, "Cannot get sound duration: " + ex); duration = 30000; // on error, default to 30 seconds } finally { cancelPlayer.release(); } cancelPlayer.release(); } Log.v(TAG, "Notification duration: " + duration + " ms"); // Schedule cancellation AlarmManager alarmMgr = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); alarmMgr.set(AlarmManager.ELAPSED_REALTIME, SystemClock.elapsedRealtime() + duration, pendingCancelIntent); } if (useAdvTime && advTimeString.length() > 0) { Intent broadcast = new Intent(); SharedPreferences.Editor editor = prefs.edit(); if (advTimeIndex < advTime.length) { editor.putInt("advTimeIndex", advTimeIndex + 1); String[] thisAdvTime = advTime[advTimeIndex].split("#"); // will be of format timeInMs#pathToSound int time = Integer.parseInt(thisAdvTime[0]); broadcast.putExtra("time", time); // Save new time editor.putLong("TimeStamp", new Date().getTime() + time); editor.putInt("LastTime", time); // editor.putString("NotificationUri", thisAdvTime[1]); mNM.cancelAll(); Log.v(TAG, "Starting next iteration of the timer service ..."); Intent rintent = new Intent(context, TimerReceiver.class); rintent.putExtra("SetTime", time); PendingIntent mPendingIntent = PendingIntent.getBroadcast(context, 0, rintent, PendingIntent.FLAG_UPDATE_CURRENT); AlarmManager mAlarmMgr = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); mAlarmMgr.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + time, mPendingIntent); } else { broadcast.putExtra("stop", true); editor.putInt("advTimeIndex", 1); } broadcast.setAction(BROADCAST_RESET); context.sendBroadcast(broadcast); editor.apply(); } else if (prefs.getBoolean("AutoRestart", false)) { int time = pintent.getIntExtra("SetTime", 0); if (time != 0) { mNM.cancel(0); Log.v(TAG, "Restarting the timer service ..."); Intent rintent = new Intent(context, TimerReceiver.class); rintent.putExtra("SetTime", time); PendingIntent mPendingIntent = PendingIntent.getBroadcast(context, 0, rintent, PendingIntent.FLAG_UPDATE_CURRENT); AlarmManager mAlarmMgr = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); mAlarmMgr.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + time, mPendingIntent); // Save new time SharedPreferences.Editor editor = prefs.edit(); editor.putLong("TimeStamp", new Date().getTime() + time); editor.putInt("LastTime", time); editor.apply(); Intent broadcast = new Intent(); broadcast.putExtra("time", time); broadcast.setAction(BROADCAST_RESET); context.sendBroadcast(broadcast); } } mNotificationManager.notify(0, mBuilder.build()); Log.d(TAG, "ALARM: alarm finished"); } }