Android Open Source - SunAlarm Alarm Klaxon






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Back to project page SunAlarm.

License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2008 The Android Open Source Project
 *//w w  w  .jav  a  2 s . c  om
 * 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.sunny.sunalarm;

import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.content.res.Resources;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnErrorListener;
import android.media.RingtoneManager;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.SystemClock;
import android.os.Vibrator;
import android.preference.PreferenceManager;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;

import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

/**
 * Manages alarms and vibe. Runs as a service so that it can continue to play
 * if another activity overrides the AlarmAlert dialog.
 */
public class AlarmKlaxon extends Service {
    // Default of 10 minutes until alarm is silenced.
    private static final String DEFAULT_ALARM_TIMEOUT = "10";

    private static final long[] sVibratePattern = new long[] { 500, 500 };

    private boolean mPlaying = false;
    private Vibrator mVibrator;
    private MediaPlayer mMediaPlayer;
    private Alarm mCurrentAlarm;
    private long mStartTime;
    private TelephonyManager mTelephonyManager;
    private int mInitialCallState;

    // Internal messages
    private static final int KILLER = 1000;
    private static final int DELAY = 1001;
    private Handler mHandler = new Handler() {
        public void handleMessage(Message msg) {
            switch (msg.what) {
                case KILLER:
                    if (Log.LOGV) {
                        Log.v("*********** Alarm killer triggered ***********");
                    }
                    sendKillBroadcast((Alarm) msg.obj);
                    stopSelf();
                    break;
                case DELAY:
                    if (Log.LOGV) {
                        Log.v("*********** Sound delay triggered ***********");
                    }
                    play((Alarm)msg.obj);
                    break;
            }
        }
    };

    private PhoneStateListener mPhoneStateListener = new PhoneStateListener() {
        @Override
        public void onCallStateChanged(int state, String ignored) {
            // The user might already be in a call when the alarm fires. When
            // we register onCallStateChanged, we get the initial in-call state
            // which kills the alarm. Check against the initial call state so
            // we don't kill the alarm during a call.
            if (state != TelephonyManager.CALL_STATE_IDLE
                    && state != mInitialCallState) {
                sendKillBroadcast(mCurrentAlarm);
                stopSelf();
            }
        }
    };

    @Override
    public void onCreate() {
        mVibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
        // Listen for incoming calls to kill the alarm.
        mTelephonyManager =
                (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
        mTelephonyManager.listen(
                mPhoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
        AlarmAlertWakeLock.acquireCpuWakeLock(this);
    }

    @Override
    public void onDestroy() {
        stop();
        // Stop listening for incoming calls.
        mTelephonyManager.listen(mPhoneStateListener, 0);
        AlarmAlertWakeLock.releaseCpuLock();
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        // No intent, tell the system not to restart us.
        if (intent == null) {
            stopSelf();
            return START_NOT_STICKY;
        }

        final Alarm alarm = intent.getParcelableExtra(
                Alarms.ALARM_INTENT_EXTRA);

        if (alarm == null) {
            Log.v("AlarmKlaxon failed to parse the alarm from the intent");
            stopSelf();
            return START_NOT_STICKY;
        }

        if (mCurrentAlarm != null) {
            sendKillBroadcast(mCurrentAlarm);
        }

        // Delay sound until the sunrise animation has completed seconds
        mHandler.sendMessageDelayed(mHandler.obtainMessage(DELAY, alarm),
                alarm.sunrise_duration*1000*60);


        mCurrentAlarm = alarm;
        // Record the initial call state here so that the new alarm has the
        // newest state.
        mInitialCallState = mTelephonyManager.getCallState();

        return START_STICKY;
    }

    private void sendKillBroadcast(Alarm alarm) {
        long millis = System.currentTimeMillis() - mStartTime;
        int minutes = (int) Math.round(millis / 60000.0);
        Intent alarmKilled = new Intent(Alarms.ALARM_KILLED);
        alarmKilled.putExtra(Alarms.ALARM_INTENT_EXTRA, alarm);
        Log.v("AlarmKlaxon: Set Sunrize Duration = " + String.valueOf(alarm.sunrise_duration));
        alarmKilled.putExtra(Alarms.ALARM_KILLED_TIMEOUT, minutes);
        sendBroadcast(alarmKilled);
    }

    // Volume suggested by media team for in-call alarms.
    private static final float IN_CALL_VOLUME = 0.125f;

    private void play(Alarm alarm) {
        // stop() checks to see if we are already playing.
        stop();

        if (Log.LOGV) {
            Log.v("AlarmKlaxon.play() " + alarm.id + " alert " + alarm.alert);
        }

        if (!alarm.silent) {
            Uri alert = alarm.alert;
            // Fall back on the default alarm if the database does not have an
            // alarm stored.
            if (alert == null) {
                alert = RingtoneManager.getDefaultUri(
                        RingtoneManager.TYPE_ALARM);
                if (Log.LOGV) {
                    Log.v("Using default alarm: " + alert.toString());
                }
            }

            // TODO: Reuse mMediaPlayer instead of creating a new one and/or use
            // RingtoneManager.
            mMediaPlayer = new MediaPlayer();
            mMediaPlayer.setOnErrorListener(new OnErrorListener() {
                public boolean onError(MediaPlayer mp, int what, int extra) {
                    Log.e("Error occurred while playing audio.");
                    mp.stop();
                    mp.release();
                    mMediaPlayer = null;
                    return true;
                }
            });

            try {
                // Check if we are in a call. If we are, use the in-call alarm
                // resource at a low volume to not disrupt the call.
                if (mTelephonyManager.getCallState()
                        != TelephonyManager.CALL_STATE_IDLE) {
                    Log.v("Using the in-call alarm");
                    mMediaPlayer.setVolume(IN_CALL_VOLUME, IN_CALL_VOLUME);
                    setDataSourceFromResource(getResources(), mMediaPlayer,
                            R.raw.in_call_alarm);
                } else {
                    mMediaPlayer.setDataSource(this, alert);
                }
                startAlarm(mMediaPlayer);
            } catch (Exception ex) {
                Log.v("Using the fallback ringtone");
                // The alert may be on the sd card which could be busy right
                // now. Use the fallback ringtone.
                try {
                    // Must reset the media player to clear the error state.
                    mMediaPlayer.reset();
                    setDataSourceFromResource(getResources(), mMediaPlayer,
                            R.raw.fallbackring);
                    startAlarm(mMediaPlayer);
                } catch (Exception ex2) {
                    // At this point we just don't play anything.
                    Log.e("Failed to play fallback ringtone", ex2);
                }
            }
        }

        /* Start the vibrator after everything is ok with the media player */
        if (alarm.vibrate) {
            mVibrator.vibrate(sVibratePattern, 0);
        } else {
            mVibrator.cancel();
        }

        enableKiller(alarm);
        mPlaying = true;
        mStartTime = System.currentTimeMillis();
    }

    // Do the common stuff when starting the alarm.
    private void startAlarm(MediaPlayer player)
            throws java.io.IOException, IllegalArgumentException,
                   IllegalStateException {
        final AudioManager audioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
        // do not play alarms if stream volume is 0
        // (typically because ringer mode is silent).
        if (audioManager.getStreamVolume(AudioManager.STREAM_ALARM) != 0) {
            player.setAudioStreamType(AudioManager.STREAM_ALARM);
            player.setLooping(true);
            player.prepare();
            player.start();
        }
    }

    private void setDataSourceFromResource(Resources resources,
            MediaPlayer player, int res) throws java.io.IOException {
        AssetFileDescriptor afd = resources.openRawResourceFd(res);
        if (afd != null) {
            player.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(),
                    afd.getLength());
            afd.close();
        }
    }

    /**
     * Stops alarm audio and disables alarm if it not snoozed and not
     * repeating
     */
    public void stop() {
        if (Log.LOGV) Log.v("AlarmKlaxon.stop()");
        if (mPlaying) {
            mPlaying = false;

            Intent alarmDone = new Intent(Alarms.ALARM_DONE_ACTION);
            sendBroadcast(alarmDone);

            // Stop audio playing
            if (mMediaPlayer != null) {
                mMediaPlayer.stop();
                mMediaPlayer.release();
                mMediaPlayer = null;
            }

            // Stop vibrator
            mVibrator.cancel();
        }
        disableKiller();
        disableDelay();
    }

    /**
     * Kills alarm audio after ALARM_TIMEOUT_SECONDS, so the alarm
     * won't run all day.
     *
     * This just cancels the audio, but leaves the notification
     * popped, so the user will know that the alarm tripped.
     */
    private void enableKiller(Alarm alarm) {
        final String autoSnooze =
                PreferenceManager.getDefaultSharedPreferences(this)
                .getString(SettingsActivity.KEY_AUTO_SILENCE,
                        DEFAULT_ALARM_TIMEOUT);
        int autoSnoozeMinutes = Integer.parseInt(autoSnooze);
        if (autoSnoozeMinutes != -1) {
            mHandler.sendMessageDelayed(mHandler.obtainMessage(KILLER, alarm),
                    1000 * autoSnoozeMinutes * 60);
        }
    }

    private void disableKiller() {
        mHandler.removeMessages(KILLER);
    }

    private void disableDelay() {
        mHandler.removeMessages(DELAY);
    }

}




Java Source Code List

com.sunny.sunalarm.AlarmAlertFullScreen.java
com.sunny.sunalarm.AlarmAlertWakeLock.java
com.sunny.sunalarm.AlarmAlert.java
com.sunny.sunalarm.AlarmClock.java
com.sunny.sunalarm.AlarmDatabaseHelper.java
com.sunny.sunalarm.AlarmInitReceiver.java
com.sunny.sunalarm.AlarmKlaxon.java
com.sunny.sunalarm.AlarmPreference.java
com.sunny.sunalarm.AlarmProvider.java
com.sunny.sunalarm.AlarmReceiver.java
com.sunny.sunalarm.Alarm.java
com.sunny.sunalarm.Alarms.java
com.sunny.sunalarm.AndroidClockTextView.java
com.sunny.sunalarm.AsyncHandler.java
com.sunny.sunalarm.ColorPickerDialog.java
com.sunny.sunalarm.ColorPickerPalette.java
com.sunny.sunalarm.ColorPickerSwatch.java
com.sunny.sunalarm.ColorStateDrawable.java
com.sunny.sunalarm.DeskClock.java
com.sunny.sunalarm.DigitalClock.java
com.sunny.sunalarm.DontPressWithParentLayout.java
com.sunny.sunalarm.HsvColorComparator.java
com.sunny.sunalarm.Log.java
com.sunny.sunalarm.RepeatPreference.java
com.sunny.sunalarm.Screensaver.java
com.sunny.sunalarm.SetAlarm.java
com.sunny.sunalarm.SettingsActivity.java
com.sunny.sunalarm.SpinnerPreference.java
com.sunny.sunalarm.ToastMaster.java