Android Open Source - reflector Reflector Service

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License

The source code is released under:

Copyright (c) 2011 Hannes Romppainen Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the ...

Java Source Code

package com.webs.graub.reflector;
// www .  j  a  v  a2 s.co m
import java.util.Timer;
import java.util.TimerTask;

import android.app.Service;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.os.IBinder;
import android.util.Log;
import android.view.WindowManager;

import static com.webs.graub.reflector.ReflectorComms.comms;

public class ReflectorService extends Service {
  // constants
  private static final String PREFERENCES = "Reflector";
  private static final String KEY_SELECTED_DEVICE = "SelectedDevice";
  private static final String KEY_REFLECT_DELAY = "ReflectDelay";

  // members
  private SharedPreferences mSettings;
  private UpnpPush mPush;
  private WindowManager mWindowManager;
  private boolean mTestMode;
  Timer mTimer = new Timer("Reflector timer");

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

  @Override
  public void onCreate() {
    super.onCreate();
    Log.d("Reflector", "onCreate");
    ReflectorComms.registerService(this);

    // read settings
    mSettings = getSharedPreferences(PREFERENCES, MODE_PRIVATE);
    mWindowManager = (WindowManager)getSystemService(WINDOW_SERVICE);
    TestBitmap.reset();
  }

  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    Log.d("Reflector", "onStartCommand");

    if (!Installer.install()) {
      Log.d("Reflector", "running in test mode");
      mTestMode = true;
    }

    mPush = new UpnpPush(this);
    try {
      mPush.init();
      comms().notifyStatus(mTestMode ? "running (test mode)" : "running");
    } catch (Exception ex) {
      comms().notifyStatus("error: "+ex);
    }

    // start timer
    int delay = getReflectDelay();
    mTimer.schedule(new ReflectTask(), delay, delay);
    // This service will run until explicitly stopped
    comms().notifyServiceRunning(true);
    return START_STICKY;
  }

  @Override
  public void onDestroy() {
    Log.d("Reflector", "onDestroy");
    // cancel timer
    mTimer.cancel();
    // stop the control point
    mPush.shutdown();
    // mark server inactive in settings
    comms().notifyStatus("not running");
    comms().notifyServiceRunning(false);
    ReflectorComms.registerService(null);
    super.onDestroy();
  }

  String getSelectedDevice() {
    return mSettings.getString(KEY_SELECTED_DEVICE, "");
  }

  void setSelectedDevice(String device) {
    mSettings.edit()
    .putString(KEY_SELECTED_DEVICE, device)
    .commit();
  }

  /**
   * TimerTask to execute the single "Reflect" operation: taking a
   * screenshot and showing it on the UPNP renderer
   */
  class ReflectTask extends TimerTask {
    @Override
    public void run() {
      if (mPush.checkRenderer()) {
        
        Bitmap bmp = null;
        if (!mTestMode) {
          bmp = new Screenshot(mWindowManager).take().toBitmap(true);
        } else {
          bmp = new TestBitmap().getBitmap();
        }

        if (bmp != null) {
          mPush.push(bmp);
        } else {
          Log.i("Reflector", "Unable to reflect - bitmap creation failed");
        }
      } else {
        Log.i("Reflector", "Unable to reflect - renderer not present");
      }
    }
    
  }

  int getReflectDelay() {
    return mSettings.getInt(KEY_REFLECT_DELAY, 2000);
  }

  void setReflectDelay(int delay) {
    mSettings.edit().putInt(KEY_REFLECT_DELAY, delay).commit();
  }
}

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