Java tutorial
/* * Copyright 2014 wada811<at.wada811@gmail.com> * * 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 at.wada811.dayscounter.view.appwidget; import android.annotation.TargetApi; import android.app.AlarmManager; import android.app.PendingIntent; import android.appwidget.AppWidgetManager; import android.appwidget.AppWidgetProvider; import android.content.Context; import android.content.Intent; import android.os.Build; import android.os.Bundle; import android.widget.RemoteViews; import com.wada811.android.utils.AndroidUtils; import com.wada811.android.utils.LogUtils; import org.joda.time.LocalDateTime; import at.wada811.dayscounter.model.receiver.DateTimeChangeReceiver; import at.wada811.dayscounter.model.utils.WidgetSize; public class CounterAppWidgetProvider extends AppWidgetProvider { @Override public void onEnabled(Context context) { super.onEnabled(context); LogUtils.d(); } @Override public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) { super.onUpdate(context, appWidgetManager, appWidgetIds); LogUtils.d(); for (int appWidgetId : appWidgetIds) { LogUtils.d("appWidgetId: " + appWidgetId); updateAppWidget(context, appWidgetManager, appWidgetId); } } @Override public void onDeleted(Context context, int[] appWidgetIds) { super.onDeleted(context, appWidgetIds); LogUtils.d(); } @Override public void onDisabled(Context context) { super.onDisabled(context); LogUtils.d(); } @Override public void onReceive(Context context, Intent intent) { super.onReceive(context, intent); LogUtils.d(); } @TargetApi(Build.VERSION_CODES.JELLY_BEAN) @Override public void onAppWidgetOptionsChanged(Context context, AppWidgetManager appWidgetManager, int appWidgetId, Bundle newOptions) { super.onAppWidgetOptionsChanged(context, appWidgetManager, appWidgetId, newOptions); LogUtils.d(); updateAppWidget(context, appWidgetManager, appWidgetId); } @TargetApi(Build.VERSION_CODES.KITKAT) public static void setDateChangeAlarm(Context context) { Intent intent = new Intent(DateTimeChangeReceiver.ACTION_DATE_CHANGED); PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT); AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE); LocalDateTime today = new LocalDateTime(); LocalDateTime tomorrow = today.plusDays(1); alarmManager.cancel(pendingIntent); if (AndroidUtils.isLessThanBuildVersion(Build.VERSION_CODES.KITKAT)) { alarmManager.set(AlarmManager.RTC, tomorrow.toDateTime().getMillis(), pendingIntent); } else { alarmManager.setExact(AlarmManager.RTC, tomorrow.toDateTime().getMillis(), pendingIntent); } } @TargetApi(Build.VERSION_CODES.JELLY_BEAN) public static void updateAppWidget(Context context, AppWidgetManager appWidgetManager, int appWidgetId) { WidgetSize widgetSize = WidgetSize.calculate(context, appWidgetManager, appWidgetId); RemoteViews views = null; if (widgetSize.width == 1 && widgetSize.height == 1) { views = new Widget1x1View(context, appWidgetId).inflateRemoteViews(); } // AppWidgetManager appWidgetManager.updateAppWidget(appWidgetId, views); } }