Android Open Source - gnucash-android Transaction App Widget Provider

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (c) 2012 Ngewi Fet <ngewif@gmail.com>
 */*from   ww w . j  av a  2s  .c om*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.gnucash.android.receivers;

import org.gnucash.android.ui.UxArgument;
import org.gnucash.android.ui.widget.WidgetConfigurationActivity;

import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.Context;
import android.content.SharedPreferences.Editor;
import android.preference.PreferenceManager;

/**
 * {@link AppWidgetProvider} which is responsible for managing widgets on the homescreen
 * It receives broadcasts related to updating and deleting widgets
 * Widgets can also be updated manually by calling {@link WidgetConfigurationActivity#updateAllWidgets(Context)}
 * @author Ngewi Fet <ngewif@gmail.com>
 *
 */
public class TransactionAppWidgetProvider extends AppWidgetProvider {

  @Override
  public void onUpdate(Context context, AppWidgetManager appWidgetManager,
      int[] appWidgetIds) {
    super.onUpdate(context, appWidgetManager, appWidgetIds);
    final int N = appWidgetIds.length;

        // Perform this loop procedure for each App Widget that belongs to this provider
        for (int i=0; i<N; i++) {
            int appWidgetId = appWidgetIds[i];

            String accountUID = PreferenceManager
                    .getDefaultSharedPreferences(context)
                    .getString(UxArgument.SELECTED_ACCOUNT_UID + appWidgetId, null);
            if (accountUID == null)
              return;
            
            WidgetConfigurationActivity.updateWidget(context, appWidgetId, accountUID);
        }
  }

    @Override
    public void onEnabled(Context context) {
        super.onEnabled(context);
        WidgetConfigurationActivity.updateAllWidgets(context);
    }

    @Override
  public void onDeleted(Context context, int[] appWidgetIds) {
    super.onDeleted(context, appWidgetIds);    
    Editor editor = PreferenceManager.getDefaultSharedPreferences(context).edit();
    
    for (int appWidgetId : appWidgetIds) {
      editor.remove(UxArgument.SELECTED_ACCOUNT_UID + appWidgetId);
    }
    editor.commit();    
  }
}

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