Android Open Source - android-grid-wichterle Grid Overlay Service

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License

The source code is released under:

Apache License

Java Source Code

package eu.inmite.android.gridwichterle.services;
//from  www .  j  a v a  2  s  . c  o m
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.PixelFormat;
import android.os.IBinder;
import android.support.v4.app.NotificationCompat;
import android.util.Log;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.RemoteViews;
import com.squareup.otto.Subscribe;
import eu.inmite.android.gridwichterle.R;
import eu.inmite.android.gridwichterle.activity.SettingsActivity;
import eu.inmite.android.gridwichterle.bus.BusProvider;
import eu.inmite.android.gridwichterle.bus.CancelGridBus;
import eu.inmite.android.gridwichterle.bus.GridOnOffBus;
import eu.inmite.android.gridwichterle.bus.ShowSettingsBus;
import eu.inmite.android.gridwichterle.core.Constants;
import eu.inmite.android.gridwichterle.core.NotificationReceiver;
import eu.inmite.android.gridwichterle.views.GridOverlay;

/**
 * Created with IntelliJ IDEA.
 * User: Michal Matl (michal.matl@inmite.eu)
 * Date: 7/19/13
 * Time: 11:22 AM
 */
public class GridOverlayService extends Service {

  private GridOverlay mGridOverlay;

  private static final int NOTIFICATION_ID = 1;

  public static boolean sIsServiceRunning = false;
  public static boolean sIsGridShown = false;


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

    BusProvider.getInstance().register(this);

  }

  private void showGrid() {
    Log.d(Constants.TAG, "GridOverlayService.showGrid()");
    GridOverlayService.sIsGridShown = true;
    final WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
        ViewGroup.LayoutParams.MATCH_PARENT,
        ViewGroup.LayoutParams.MATCH_PARENT,
        WindowManager.LayoutParams.TYPE_SYSTEM_OVERLAY,
        WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN,
        PixelFormat.TRANSLUCENT
    );

    final WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
    mGridOverlay = new GridOverlay(this);

    wm.addView(mGridOverlay, lp);
  }

  private void removeGrid() {
    Log.d(Constants.TAG, "GridOverlayService.removeGrid()");
    GridOverlayService.sIsGridShown = false;
    try {
      if(mGridOverlay != null && mGridOverlay.getParent() != null) {
        final WindowManager wm = (WindowManager) getSystemService(WINDOW_SERVICE);
        wm.removeView(mGridOverlay);
      }
    } catch (Exception e) {
      Log.e(Constants.TAG, "Remove grid failed");
    }
  }

  private void removeNotification() {

    NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
    notificationManager.cancel(NOTIFICATION_ID);
  }

  private void restartGrid() {
    Log.d(Constants.TAG, "GridOverlayService.restartGrid()");
    removeGrid();
    showGrid();
  }

  @Subscribe
  public void showSettings(ShowSettingsBus showSettingsBus) {
    Log.d(Constants.TAG, "GridOverlayService.showSettings()");
    SettingsActivity.call(getApplicationContext());
  }

  private void showNotification() {
    Log.d(Constants.TAG, "GridOverlayService.showNotification()");

    // custom notification layout
    RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.notification_layout);
    contentView.setOnClickPendingIntent(R.id.btnSettings, getDeleteIntent());

    final NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
    builder.setSmallIcon(R.drawable.ic_launcher)
        .setOngoing(false)
        .setAutoCancel(true)
        .setContent(contentView)
        .setContentIntent(getSettingIntent());
    Notification notification =  builder.getNotification();
    startForeground(NOTIFICATION_ID, notification);

    /*
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
      final Notification.Builder builder = new Notification.Builder(this);
      builder.setSmallIcon(R.drawable.ic_launcher)
          .setContentTitle(getString(R.string.notification_title))
          .setContentText(getString(R.string.notification_desc))
          .setContentIntent(getSettingIntent())
          .setStyle(new Notification.BigTextStyle().bigText(getString(R.string.notification_desc)))
          .addAction(R.drawable.ic_remove, getString(R.string.cancel_grid), getDeleteIntent());

      startForeground(NOTIFICATION_ID, builder.build());
    } else {
      // custom notification layout for an older version
      RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.notification_layout);
      contentView.setOnClickPendingIntent(R.id.btnSettings, getDeleteIntent());

      final NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
      builder.setSmallIcon(R.drawable.ic_launcher)
          .setOngoing(false)
          .setAutoCancel(true)
          .setContent(contentView)
          .setContentIntent(getSettingIntent());
      Notification notification =  builder.getNotification();
      startForeground(NOTIFICATION_ID, notification);
    }*/
  }

  private PendingIntent getDeleteIntent() {
    Intent intent = new Intent(getApplicationContext(), NotificationReceiver.class);
    intent.setAction("notification_cancelled");
    return PendingIntent.getBroadcast(getApplicationContext(), 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
  }

  private PendingIntent getSettingIntent() {
    Intent intent = new Intent(getApplicationContext(), NotificationReceiver.class);
    intent.setAction("notification_settings");
    return PendingIntent.getBroadcast(getApplicationContext(), 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
  }

  private PendingIntent getSettingOffIntent() {
    Intent intent = new Intent(getApplicationContext(), NotificationReceiver.class);
    intent.setAction("notification_settings_off");
    return PendingIntent.getBroadcast(getApplicationContext(), 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
  }

  @Subscribe
  public void cancelGrid(CancelGridBus cancelGridBus) {
    Log.d(Constants.TAG, "GridOverlayService.CancelGrid()");

    sIsServiceRunning = false;
    sIsGridShown = false;

    removeGrid();
    stopForeground(true);
  }

  @Subscribe
  public void gridAction(GridOnOffBus settingsOnOffBus) {

    if (settingsOnOffBus.getAction() == GridOnOffBus.ACTION_GRID_ON) {
      showGrid();
    }

    if (settingsOnOffBus.getAction() == GridOnOffBus.ACTION_GRID_OFF) {
      removeGrid();
    }

  }

  @Override
  public int onStartCommand(Intent intent, int flags, int startId) {
    if(!sIsServiceRunning) {
      sIsServiceRunning = true;
      showNotification();
    }
    return Service.START_NOT_STICKY;
  }

  @Override
  public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);
    //we need restart grid when a screen rotates
    if (mGridOverlay != null && mGridOverlay.getParent() != null) {
      restartGrid();
    }
  }

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

    BusProvider.getInstance().unregister(this);
  }

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


}

Java Source Code List

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