![]() ![]() You should be presented with theįirst activity, similar to the following screenshot:Īs you click the button, you should notice that the small icon for the Run the applicationīuild and run the application. to include this icon file in your project. Ic_stat_button_click.png and copy it to the To your project or create your own custom icon. Second.axml and paste in the following layout code: įinally, add a small icon that will appear in the notification area Add a newĪndroid Layout file to your project called Second.axml. We must also create a resource layout for SecondActivity. TxtView.Text = $"You clicked the button times in the previous activity." No count was passed? Then just return. Var count = (MainActivity.COUNT_KEY, -1) Get the count value passed to us from MainActivity: Protected override void OnCreate(Bundle bundle) Replace its contents with this code: using System Now we need to create another activity that Android will display when Next, add a method to MainActivity that will create a notification channel (if necessary): void CreateNotificationChannel() Add the following using statement to resolveĪny ambiguity: using TaskStackBuilder = 4.App.TaskStackBuilder To our code: using 4.App Īlso, we must make it clear to the compiler that we are using theĪ4.App version of TaskStackBuilder rather than theĪndroid.App version. Statement so that the types in 4.App are available ![]() Next, let's edit MainActivity.cs and add the following using NuGet in our project to use NotificationCompat.Builder. ![]() In this walkthrough, we are using NotificationCompat.Builder to build Not familiar with creating Xamarin.Android projects, seeĮdit the resource file values/Strings.xml so that it contains two extra string resources that will be used when it is time to create the notification channel: Let's call this project LocalNotifications. To begin, let's create a new Android project using the Android App These APIs will ensure maximum backwards compatibility to Android 4.0 (API level 14). NotificationReceiver.This guide focuses on the NotificationCompat APIs from the Android support library. PendingIntent = PendingIntent.getBroadcast(getBaseContext(),RQS_1, intent, 0) ĪlarmManager = (AlarmManager)getSystemService(Context.ALARM_SERVICE) ĪtRepeating(AlarmManager.RTC_WAKEUP, c.getTimeInMillis(), AlarmManager.INTERVAL_DAY * 7, pendingIntent) Įlse if(notificationTime.equals("30 Minutes Before"))Įlse if(notificationTime.equals("1 Hour Before"))Įlse if(notificationTime.equals("2 Hours Before"))ĪtInexactRepeating(AlarmManager.RTC_WAKEUP, c.getTimeInMillis(), AlarmManager.INTERVAL_DAY * 7, pendingIntent) Intent = new Intent(getBaseContext(),NotificationReceiver.class) Toast.makeText(getApplicationContext(),notificationTime,Toast.LENGTH_SHORT).show() NotificationTime = df.format(notification) If(notificationTime.equals("10 Minutes Before")) Функция уведомления public void setNotificationTime(Calendar c)ĭf = new SimpleDateFormat("E MMM dd hh:mm:ss zzzz yyyy")
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