Android Open Source - android_data_toggler Mobile Data Toggler

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Back to project page android_data_toggler.

License

The source code is released under:

GNU General Public License

Java Source Code

package de.haidozo.mobiledatatoggler;
/*from w w w .  ja v  a  2 s. c  om*/
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.util.Log;
import android.widget.RemoteViews;

public class MobileDataToggler extends AppWidgetProvider {  
  
  public void onUpdate(Context context, AppWidgetManager appWidgetManager,
      int[] appWidgetIds) {
    //Log.i("Custom", "Update");
    super.onUpdate(context, appWidgetManager, appWidgetIds);

    for(int widgetId : appWidgetIds) {
      String toggleAction = context.getResources().getString(R.string.toggle_action);
      Intent intent = new Intent(context, MobileDataToggler.class);
      intent.setAction(toggleAction);
  
      // Register an onclick listener for the imagebutton
      RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.main);
      PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, 0);
      views.setOnClickPendingIntent(R.id.imageButton1, pendingIntent);
      
      // Set icon according on mobile data state
      if(isEnabled(context)) {
        views.setImageViewResource(R.id.imageButton1, R.drawable.ic_mobile_data_on);
      } else {
        views.setImageViewResource(R.id.imageButton1, R.drawable.ic_mobile_data_off);
      }
    
      appWidgetManager.updateAppWidget(widgetId, views);
    }
  }
  
  @Override
  public void onReceive(Context context, Intent intent) {
    //Log.i("Custom", "Recieve");
    super.onReceive(context, intent);    
    String toggleAction = context.getResources().getString(R.string.toggle_action);
    if (intent.getAction().equals(toggleAction)) {      
        toggleMobileData(context);      
    }
  }
  
  private void toggleMobileData(Context context) {
    try {
      final ConnectivityManager cm = (ConnectivityManager)  context.getSystemService(Context.CONNECTIVITY_SERVICE);
      final Class<?> cmClass = Class.forName(cm.getClass().getName());
      final Field cmField = cmClass.getDeclaredField("mService");
      cmField.setAccessible(true);
      final Object icm = cmField.get(cm);
      final Class<?> icmClass =  Class.forName(icm.getClass().getName());
      
      final Method setMobileDataEnabledMethod = icmClass.getDeclaredMethod("setMobileDataEnabled", Boolean.TYPE);
      setMobileDataEnabledMethod.setAccessible(true);    
      
      // toggle state and widget image
      RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.main);
      ComponentName thisWidget = new ComponentName(context.getApplicationContext(), MobileDataToggler.class);
      
      boolean oldState = isEnabled(context);
      setMobileDataEnabledMethod.invoke(icm, !oldState);
      
      // waiting for state change...
      while(isEnabled(context) == oldState)
        //Log.i("Custom", "Waiting for state change")
        ;
      
      //... and then update the icon
      if(!oldState) {
        views.setImageViewResource(R.id.imageButton1, R.drawable.ic_mobile_data_on);
      } else {
        views.setImageViewResource(R.id.imageButton1, R.drawable.ic_mobile_data_off);
      }      
      AppWidgetManager manager = AppWidgetManager.getInstance(context);
      manager.updateAppWidget(thisWidget, views);    
    } catch (ClassNotFoundException | NoSuchFieldException
        | IllegalAccessException | IllegalArgumentException
        | NoSuchMethodException | InvocationTargetException e) {
      e.printStackTrace();
    }
  }  
  
  private boolean isEnabled(Context context) {
    try {
      final ConnectivityManager cm = (ConnectivityManager)  context.getSystemService(Context.CONNECTIVITY_SERVICE);
      final Class<?> cmClass = Class.forName(cm.getClass().getName());
      final Field cmField = cmClass.getDeclaredField("mService");
      cmField.setAccessible(true);
      
      // get mobile data state    
      final Method isEnabled = cmClass.getDeclaredMethod("getMobileDataEnabled");
      isEnabled.setAccessible(true);
      
      return (Boolean)isEnabled.invoke(cm);
    } catch (ClassNotFoundException | NoSuchFieldException
        | IllegalAccessException | IllegalArgumentException
        | NoSuchMethodException | InvocationTargetException e) {
      e.printStackTrace();
      // off in case of exception
      return false;
    }
  }
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
}

Java Source Code List

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