Android Open Source - screenstandby Headset Receiver

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License

The source code is released under:
GNU General Public License
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Java Source Code

/*******************************************************************************
 * Copyright (c) 2014 Hoang Nguyen.// www  .  j ava2s .  c  o  m
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * 
 * Contributors:
 *     Hoang Nguyen - initial API and implementation
 ******************************************************************************/
package com.nkahoang.screenstandby;

import java.io.DataOutputStream;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;

public class HeadsetReceiver extends BroadcastReceiver {

  
  static boolean useHeadset = false;
  static String launchPackage = "";
  private static Boolean killPackage = false;
  
  public HeadsetReceiver() {
  }

  private static void ScreenOn(Context context)
  {
    try
    {
      Intent serviceIntent = new Intent();
          serviceIntent.setAction(StandbyService.TOGGLE_INTENT);
          context.sendBroadcast(serviceIntent);
        Logger.Log(context, "HEADSET UNPLUGGED");
    }
    catch(Exception ex)
    {
      Logger.Log(context, ex);
    }
        try
        {
          if (killPackage && launchPackage.length() > 0)
          {
            Process proc;
            DataOutputStream os;
              proc = Runtime.getRuntime().exec("su");
                os = new DataOutputStream(proc.getOutputStream());
            os.writeBytes("kill $(pgrep " + launchPackage + ")\n");
          }
        }catch(Exception ex)
        {
          Logger.Log(context, ex.getMessage() + " " + ex.getStackTrace().toString());
        }
        try
        {
          SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
          if (prefs.getBoolean("headset_close_returnhome", false))
          {
            Logger.Log(context, "HEADSET RETURN HOME");
        Intent startMain = new Intent(Intent.ACTION_MAIN);
        startMain.addCategory(Intent.CATEGORY_HOME);
        startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(startMain);  
          }
        }
        catch(Exception ex)
        {
          Logger.Log(context, ex.getMessage() + " " + ex.getStackTrace().toString());
        }
  }
  
  private static void ScreenOff(Context context)
  {
    Logger.Log(context, "HEADSET PLUGGED");
    Intent serviceIntent = new Intent();
        serviceIntent.setAction(StandbyService.ENABLE_INTENT);
        serviceIntent.putExtra("autohdmi", true);
        context.sendBroadcast(serviceIntent);
        if (launchPackage.length() > 0)
        {
          Intent LaunchIntent = context.getPackageManager().getLaunchIntentForPackage(launchPackage);
          context.startActivity(LaunchIntent);
        }
  }
  
  @Override
  public void onReceive(Context context, Intent intent) {
    if (intent.getAction().equals(Intent.ACTION_HEADSET_PLUG))
    {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
        useHeadset = prefs.getBoolean("useheadset", false);
        launchPackage = prefs.getString("headsetrunpackage", "");
        killPackage = prefs.getBoolean("heatsetrun_close", false);
        if (useHeadset)
        {
          if (intent.getIntExtra("state", 0) == 0)
          {
            ScreenOn(context);
          }
          else if (intent.getIntExtra("state", 0) == 1)
          {
            ScreenOff(context);
          }
        }
    }
  }
}
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