Android Open Source - AudioPlayerRecorder Service Manager

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Back to project page AudioPlayerRecorder.

License

The source code is released under:

MIT License

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Java Source Code

package com.heavyplayer.audioplayerrecorder.service.manager;
/*from  w  w w . j  a va  2 s .c  om*/
import android.app.Activity;
import android.app.Service;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.util.DisplayMetrics;
import android.util.Log;
import com.heavyplayer.audioplayerrecorder.util.BuildUtils;

public class ServiceManager implements ServiceConnection {
  private IBinder mBinder;

  private Activity mActivity;
  private Class<?> mServiceClass;

  private boolean mIsPortrait;
  private boolean mIsServiceRunning;

  private StateListener mStateListener;

  public <T extends Service> ServiceManager(Activity activity, Class<T> serviceClass) {
    mActivity = activity;
    mServiceClass = serviceClass;

    mIsPortrait = isPortrait();

    startService();
  }

  final public void onActivityResume() {
    onActivateService(!mIsServiceRunning);
  }

  final public void onActivityPause() {
    onDeactivateService(mIsPortrait == isPortrait());
  }

  final public void onFragmentResume() {
    onActivityResume();
  }

  final public void onFragmentPause() {
    onActivityPause();
  }

  protected void onActivateService(boolean startService) {
    if(startService)
      startService();

    bindService();
  }

  protected void onDeactivateService(boolean stopService) {
    unbindService();

    if(stopService)
      stopService();
  }

  protected void startService() {
    mActivity.startService(new Intent(mActivity, mServiceClass));

    mIsServiceRunning = true;
  }

  protected void stopService() {
    if(mStateListener != null)
      mStateListener.onServiceStop();

    mActivity.stopService(new Intent(mActivity, mServiceClass));

    mIsServiceRunning = false;
  }

  protected void bindService() {
    mActivity.bindService(
        new Intent(mActivity, mServiceClass),
        this,
        Context.BIND_AUTO_CREATE);
  }

  protected void unbindService() {
    if(mBinder != null) {
      if(mStateListener != null)
        mStateListener.onServiceUnbind(mBinder);

      mBinder = null;
    }

    mActivity.unbindService(this);
  }

  protected boolean isPortrait() {
    DisplayMetrics displaymetrics = new DisplayMetrics();
    mActivity.getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
    return displaymetrics.heightPixels > displaymetrics.widthPixels;
  }

  public IBinder getBinder() {
    return mBinder;
  }

  @Override
  final public void onServiceConnected(ComponentName name, IBinder service) {
    mBinder = service;

    if(mStateListener != null)
      mStateListener.onServiceBind(mBinder);

    if(BuildUtils.isDebug(mActivity))
      Log.i(mServiceClass.getSimpleName(), "Local service connected");
  }

  @Override
  final public void onServiceDisconnected(ComponentName name) {
    mBinder = null;
    if(mStateListener != null)
      mStateListener.onServiceUnbind(null);

    if(BuildUtils.isDebug(mActivity))
      Log.i(mServiceClass.getSimpleName(), "Local service disconnected");
  }

  public void setServiceStateListener(StateListener listener) {
    mStateListener = listener;
  }

  public static interface StateListener {
    public void onServiceBind(IBinder binder);
    /**
     * @param binder may be null if the service disconnects.
     */
    public void onServiceUnbind(IBinder binder);
    public void onServiceStop();
  }
}

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