Android Open Source - SMSMorsify-Android Morse Service

• Back to SMS/text  ↑

From Project

Back to project page SMSMorsify-Android.

License

The source code is released under:

GNU General Public License

Java Source Code

package com.savanto.android.smsmorsify;
//from  w w w .  java 2s . c o  m
import android.app.IntentService;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.media.AudioManager;
import android.os.PowerManager;
import android.os.SystemClock;
import android.os.Vibrator;
import android.preference.PreferenceManager;

/**
 * @author savanto
 *
 */
public class MorseService extends IntentService
{
  private static final long DEFAULT_DELAY  = 5;
  private static final int DEFAULT_REPEAT  = -1;


  /**
   * BroadcastReceiver to listen for screen being turned on.
   */
  private ScreenOnReceiver screenOnReceiver;

  public MorseService()
  {
    super("MorseService");
  }

  @Override
  public void onCreate()
  {
    super.onCreate();

    this.screenOnReceiver = new ScreenOnReceiver();
    // Register the screenOnReceiver
    IntentFilter intentFilter = new IntentFilter();
    intentFilter.addAction(Intent.ACTION_SCREEN_ON);
    intentFilter.addAction(Intent.ACTION_SCREEN_OFF);
    this.registerReceiver(this.screenOnReceiver, intentFilter);
  }

  /* (non-Javadoc)
   * @see android.app.IntentService#onHandleIntent(android.content.Intent)
   */
  @Override
  protected void onHandleIntent(Intent intent)
  {
    // Get SharedPreferences
    SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);

    // Do nothing if SMSMorsify is set to off.
    if (! sharedPrefs.getBoolean(this.getString(R.string.pref_key_enabled), false))
      return;

    // Check if user has enabled the screen-on check
    if (sharedPrefs.getBoolean(this.getString(R.string.pref_key_screen_check), true))
    {
      // Do nothing if phone screen is on.
      if (((PowerManager) this.getSystemService(Context.POWER_SERVICE)).isScreenOn())
        return;
    }

    // Do nothing if phone is in silent mode
    if (((AudioManager) this.getSystemService(Context.AUDIO_SERVICE)).getRingerMode() == AudioManager.RINGER_MODE_SILENT)
      return;

    // Retrieve pattern settings from shared preferences.
    final long WAIT_MS      = MorseCode.DEFAULT_WAIT;
    final long DELAY_SECONDS  = sharedPrefs.getLong(this.getString(R.string.pref_key_delay), MorseService.DEFAULT_DELAY);
    final long DIT_MS      = sharedPrefs.getLong(this.getString(R.string.pref_key_dit), MorseCode.DEFAULT_DIT);
    final long DAH_MS      = DIT_MS * 3;
    final long GAP_MS      = DIT_MS;
    final int SHORT_GAP      = (int) sharedPrefs.getLong(this.getString(R.string.pref_key_short_gap), MorseCode.DEFAULT_SHORT_GAP);
    final int MEDIUM_GAP    = (int) sharedPrefs.getLong(this.getString(R.string.pref_key_medium_gap), MorseCode.DEFAULT_MEDIUM_GAP);
    final boolean USE_NUMBERS  = sharedPrefs.getBoolean(this.getString(R.string.pref_key_use_numbers), true);
    final boolean USE_SYMBOLS  = sharedPrefs.getBoolean(this.getString(R.string.pref_key_use_symbols), true);
    final boolean USE_PROSIGNS  = sharedPrefs.getBoolean(this.getString(R.string.pref_key_use_prosigns), true);

    // Create Morse code from message and preferences
    MorseCode morseCode = new MorseCode(intent.getStringExtra(MorseService.MESSAGE_KEY),
        SHORT_GAP, MEDIUM_GAP, USE_NUMBERS, USE_SYMBOLS, USE_PROSIGNS);

    // Delay Morse transmission to allow Notification sound/vibration to finish.
    SystemClock.sleep(DELAY_SECONDS * 1000);

    // Vibrate the message pattern
    ((Vibrator) this.getSystemService(Context.VIBRATOR_SERVICE))
      .vibrate(morseCode.toPattern(WAIT_MS, DIT_MS, DAH_MS, GAP_MS), MorseService.DEFAULT_REPEAT);
  }

  @Override
  public void onDestroy()
  {
    // Unregister the screenOnReceiver
    this.unregisterReceiver(this.screenOnReceiver);
  }

  public static final String MESSAGE_KEY = "message";
}

Java Source Code List

• Back to SMS/text  ↑