-->![How to Turn Off Annoying Mac Notifications How to Turn Off Annoying Mac Notifications](/uploads/1/3/3/8/133868326/825306918.png)
![Notification Notification](/uploads/1/3/3/8/133868326/898146141.jpg)
This walkthrough provides a step-by-step explanation of how to use Firebase Cloud Messaging to implement remote notifications (also called push notifications) in a Xamarin.Android application. It illustrates how to implement the various classes that are needed for communications with Firebase Cloud Messaging (FCM), provides examples of how to configure the Android Manifest for access to FCM, and demonstrates downstream messaging using the Firebase Console.
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FCM notifications overview
In this walkthrough, a basic app called FCMClient will be createdto illustrate the essentials of FCM messaging. FCMClient checks forthe presence of Google Play Services, receives registration tokensfrom FCM, displays remote notifications that you send from theFirebase Console, and subscribes to topic messages:
The following topic areas will be explored:
- Background Notifications
- Topic Messages
- Foreground Notifications
During this walkthrough, you will incrementally add functionality toFCMClient and run it on a device or emulator to understand how itinteracts with FCM. You will use logging to witness live apptransactions with FCM servers, and you will observe how notificationsare generated from FCM messages that you enter into the FirebaseConsole Notifications GUI.
Requirements
It will be helpful to familiarize yourself with the different types of messages that can be sent by Firebase Cloud Messaging. The payload of the message will determine how a client app will receive and process the message.
Before you can proceed with this walkthrough, you must acquire thenecessary credentials to use Google's FCM servers; this process isexplained inFirebase Cloud Messaging.In particular, you must download the google-services.json file touse with the example code presented in this walkthrough. If you havenot yet created a project in the Firebase Console (or if you have notyet downloaded the google-services.json file), seeFirebase Cloud Messaging.
To run the example app, you will need an Android test device oremulator that is compatibile with Firebase. Firebase Cloud Messagingsupports clients running on Android 4.0 or higher, andthese devices must also have the Google Play Store app installed(Google Play Services 9.2.1 or later is required). If you do not yethave the Google Play Store app installed on your device, visit theGoogle Play web site todownload and install it. Alternately, you can use the Android SDKemulator with Google Play Services installed instead of a test device (you donot have to install the Google Play Store if you are using the AndroidSDK emulator).
Start an app project
To begin, create a new empty Xamarin.Android project calledFCMClient. If you are not familiar with creating Xamarin.Androidprojects, seeHello, Android.After the new app is created, the next step is to set the package nameand install several NuGet packages that will be used for communicationwith FCM.
Set the package name
In Firebase Cloud Messaging,you specified a package name for the FCM-enabled app. This package namealso serves as the application ID that is associated with the APIkey. Configure the app to use this package name:
- Open the properties for the FCMClient project.
- In the Android Manifest page, set the package name.
In the following example, the package name is set to
com.xamarin.fcmexample
:While you are updating the Android Manifest, also check to be sure that the
Internet
permission is enabled.- Open the properties for the FCMClient project.
- In the Android Application page, set the package name.
In the following example, the package name is set to
com.xamarin.fcmexample
:While you are updating the Android Manifest, also check to be sure that the
INTERNET
permission is enabled (under Required permissions).Hp photosmart plus b210a driver download mac. Important
The client app will be unable to receive a registration token from FCM if this package name does not exactly match the package name that was entered into the Firebase Console.
Add the Xamarin Google Play Services Base package
Because Firebase Cloud Messaging depends on Google Play Services, theXamarin Google Play Services - BaseNuGet package must be added to the Xamarin.Android project. You will needversion 29.0.0.2 or later.
- In Visual Studio, right-click References > Manage NuGet Packages ..
- Click the Browse tab and search for Xamarin.GooglePlayServices.Base.
- Install this package into the FCMClient project:
- In Visual Studio for Mac, right-click Packages > Add Packages..
- Search for Xamarin.GooglePlayServices.Base.
- Install this package into the FCMClient project:
If you get an error during installation of the NuGet, close theFCMClient project, open it again, and retry the NuGetinstallation.
When you install Xamarin.GooglePlayServices.Base, all of thenecessary dependencies are also installed. Edit MainActivity.csand add the following
using
statement:This statement makes the
GoogleApiAvailability
class inXamarin.GooglePlayServices.Base available to FCMClient code.GoogleApiAvailability
is used to check for the presence of GooglePlay Services.![How to Turn Off Annoying Mac Notifications How to Turn Off Annoying Mac Notifications](/uploads/1/3/3/8/133868326/825306918.png)
Add the Xamarin Firebase Messaging package
To receive messages from FCM, theXamarin Firebase - MessagingNuGet package must be added to the app project. Without this package, an Androidapplication cannot receive messages from FCM servers.
- In Visual Studio, right-click References > Manage NuGet Packages ..
- Search for Xamarin.Firebase.Messaging.
- Install this package into the FCMClient project:
- In Visual Studio for Mac, right-click Packages > Add Packages.. How to delete launchpad apps on mac.
- Search for Xamarin.Firebase.Messaging.
- Install this package into the FCMClient project:
When you install Xamarin.Firebase.Messaging, all of thenecessary dependencies are also installed.
Next, edit MainActivity.cs and add the following
using
statements:The first two statements make types in theXamarin.Firebase.Messaging NuGet package available to FCMClientcode. Android.Util adds logging functionality that will be used toobserve transactions with FMS.
Add the Google Services JSON file
The next step is to add the google-services.json file to the rootdirectory of your project:
- Copy google-services.json to the project folder.
- Add google-services.json to the app project (click Show All Files inthe Solution Explorer, right click google-services.json, thenselect Include in Project).
- Select google-services.json in the Solution Explorer window.
- In the Properties pane, set the Build Action toGoogleServicesJson:NoteIf the GoogleServicesJson build action is not shown, save and close the solution, then reopen it.
- Copy google-services.json to the project folder.
- Add google-services.json to the app project. Church accounting software for mac.
- Right-click google-services.json.
- Set the Build Action to GoogleServicesJson:
When google-services.json is added to the project (and theGoogleServicesJson build action is set), the build process extractsthe client ID and API key and then adds these credentials to themerged/generated AndroidManifest.xml that resides atobj/Debug/android/AndroidManifest.xml. This merge processautomatically adds any permissions and other FCM elements that areneeded for connection to FCM servers.
Check for Google Play Services and create a notification channel
Google recommends that Android apps check for the presence of theGoogle Play Services APK before accessing Google Play Services features(for more information, seeCheck for Google Play services).
An initial layout for the app's UI will be created first. EditResources/layout/Main.axml and replace its contents with thefollowing XML:
This
TextView
will be used to display messages that indicate whetherGoogle Play Services is installed. Save the changes to Main.axml.Edit MainActivity.cs and add the following instance variablesto the
MainActivity
class:The variables
CHANNEL_ID
and NOTIFICATION_ID
will be used in the method CreateNotificationChannel
that will be added to MainActivity
later on in this walkthrough.In the following example, the
OnCreate
method will verify that GooglePlay Services is available before the app attempts to use FCM services.Add the following method to the MainActivity
class:This code checks the device to see if the Google Play Services APK isinstalled. If it is not installed, a message is displayed in the
TextBox
that instructs the user to download an APK from the GooglePlay Store (or to enable it in the device's system settings).Apps that are running on Android 8.0 (API level 26) or higher must create a notification channel for publishing their notifications. Add the following method to the
MainActivity
class which will create the notification channel (if necessary):Replace the
OnCreate
method with the following code: https://keenda817.weebly.com/blog/free-mac-trial-employee-monitoring-software-block-internet.IsPlayServicesAvailable
is called at the end of OnCreate
so thatthe Google Play Services check runs each time the app starts. The methodCreateNotificationChannel
is called to ensure that a notification channelexists for devices running Android 8 or higher. If yourapp has an OnResume
method, it should call IsPlayServicesAvailable
from OnResume
as well. Completely rebuild and run the app. If allis configured properly, you should see a screen that looks like thefollowing screenshot:If you don't get this result, verify that the Google Play Services APKis installed on your device (for more information, seeSetting Up Google Play Services).Also verify that you have added theXamarin.Google.Play.Services.Base package to your FCMClientproject as explained earlier.
Add the instance ID receiver
The next step is to add a service that extends
FirebaseInstanceIdService
to handle the creation, rotation, and updating of Firebase registration tokens. The FirebaseInstanceIdService
service is required for FCM to be able to send messages to the device. When the FirebaseInstanceIdService
service is added to the client app, the app will automatically receive FCM messages and display them as notifications whenever the app is backgrounded.Declare the receiver in the Android Manifest
Edit AndroidManifest.xml and insert the following
<receiver>
elements into the <application>
section:This XML does the following:
- Declares a
FirebaseInstanceIdReceiver
implementation thatprovides a unique identifier foreach app instance. This receiver also authenticates and authorizesactions. - Declares an internal
FirebaseInstanceIdInternalReceiver
implementation that is used to start services securely. - The app ID is stored in the google-services.json file that was added to the project. The Xamarin.Android Firebase bindings will replace the token
${applicationId}
with the app ID; no additional code is required by the client app to provide the app ID.
The
FirebaseInstanceIdReceiver
is a WakefulBroadcastReceiver
thatreceives FirebaseInstanceId
and FirebaseMessaging
events and deliversthem to the class that you derive from FirebaseInstanceIdService
.Implement the Firebase Instance ID Service
The work of registering the application with FCM is handled by the custom
FirebaseInstanceIdService
service that you provide.FirebaseInstanceIdService
performs the following steps:- Uses the Instance ID APIto generate security tokens that authorize the client app to accessFCM and the app server. In return, the app gets back a registration token from FCM.
- Forwards the registration token to the app server if the appserver requires it.
Add a new file called MyFirebaseIIDService.cs and replace itstemplate code with the following:
This service implements an
OnTokenRefresh
method that is invoked whenthe registration token is initially created or changed. WhenOnTokenRefresh
runs, it retrieves the latest token from theFirebaseInstanceId.Instance.Token
property (which is updatedasynchronously by FCM). In this example, the refreshed token is loggedso that it can be viewed in the output window:OnTokenRefresh
is invoked infrequently: it is used to update the tokenunder the following circumstances:- When the app is installed or uninstalled.
- When the user deletes app data.
- When the app erases the Instance ID.
- When the security of the token has been compromised.
According to Google'sInstance IDdocumentation, the FCM Instance ID service will request that the apprefresh its token periodically (typically, every 6 months).
OnTokenRefresh
also calls SendRegistrationToAppServer
to associatethe user's registration token with the server-side account (if any)that is maintained by the application:Because this implementation depends on the design of the app server, anempty method body is provided in this example. If your app serverrequires FCM registration information, modify
SendRegistrationToAppServer
to associate the user's FCM instance IDtoken with any server-side account maintained by your app. (Note thatthe token is opaque to the client app.)When a token is sent to the app server,
SendRegistrationToAppServer
should maintain a boolean to indicate whether the token has been sentto the server. If this boolean is false, SendRegistrationToAppServer
sends the token to the app server – otherwise, the token wasalready sent to the app server in a previous call. In some cases (suchas this FCMClient
example), the app server does not need the token;therefore, this method is not required for this example.Implement client app code
Now that the receiver services are in place, client app code can bewritten to take advantage of these services. In the following sections,a button is added to the UI to log the registration token (also calledthe Instance ID token), and more code is added to
MainActivity
toview Intent
information when the app is launched from a notification:Log tokens
The code added in this step is intended only for demonstration purposes– a production client app would have no need to log registrationtokens. Edit Resources/layout/Main.axml and add the following
Button
declaration immediately after the TextView
element:Add the following code to the end of the
MainActivity.OnCreate
method:This code logs the current token to the output window when the Log Tokenbutton is tapped.
Handle notification intents
When the user taps a notification issued from FCMClient, any dataaccompanying that notification message is made available in
Intent
extras. Edit MainActivity.cs and add the following code to the topof the OnCreate
method (before the call toIsPlayServicesAvailable
):The app's launcher
Intent
is fired when the user taps itsnotification message, so this code will log any accompanying data inthe Intent
to the output window. If a different Intent
must befired, the click_action
field of the notification message must be setto that Intent
(the launcher Intent
is used when no click_action
is specified).Background notifications
Build and run the FCMClient app. The Log Token button is displayed:
![Notification Notification](/uploads/1/3/3/8/133868326/898146141.jpg)
Tap the Log Token button. A message like the following should bedisplayed in the IDE output window:
The long string labeled with token is the instance ID token thatyou will paste into the Firebase Console – select and copy thisstring to the clipboard. If you do not see an instance ID token, addthe following line to the top of the
OnCreate
method to verify thatgoogle-services.json was parsed correctly:The
google_app_id
value logged to the output window should match themobilesdk_app_id
value recorded in google-services.json. The Resource.String.google_app_id
is generated by msbuild when processing google-services.json.Send a message
Sign into theFirebase Console, select yourproject, click Notifications, and click SEND YOUR FIRST MESSAGE:
On the Compose message page, enter the message text and selectSingle device. Copy the instance ID token from the IDE outputwindow and paste it into the FCM registration token field of theFirebase Console:
On the Android device (or emulator), background the app by tapping theAndroid Overview button and touching the home screen. When the device isready, click SEND MESSAGE in the Firebase Console:
When the Review message dialog is displayed, click SEND.The notification icon should appear in the notification area ofthe device (or emulator):
Open the notification icon to view the message. The notificationmessage should be exactly what was typed into the Message textfield of the Firebase Console:
Tap the notification icon to launch the FCMClient app. The
Intent
extras sent to FCMClient are listed in the IDE outputwindow:In this example, the from key is set to the Firebase project numberof the app (in this example,
41590732
), and the collapse_key isset to its package name (com.xamarin.fcmexample).If you do not receive a message, try deleting the FCMClient app onthe device (or emulator) and repeat the above steps.Note
If you force-close the app, FCM will stop deliveringnotifications. Android prevents background service broadcasts frominadvertently or unnecessarily launching components of stoppedapplications. (For more information about this behavior, seeLaunch controls on stopped applications.)For this reason, it is necessary to manually uninstall the app eachtime you run it and stop it from a debug session – this forcesFCM to generate a new token so that messages will continue to bereceived.
Add a custom default notification icon
In the previous example, the notification icon is set to theapplication icon. The following XML configures a custom default iconfor notifications. Android displays this custom default icon for allnotification messages where the notification icon is not explicitlyset.
To add a custom default notification icon, add your icon to theResources/drawable directory, edit AndroidManifest.xml, andinsert the following
<meta-data>
element into the <application>
section:In this example, the notification icon that resides atResources/drawable/ic_stat_ic_notification.png will be used as thecustom default notification icon. If a custom default icon is notconfigured in AndroidManifest.xml and no icon is set in thenotification payload, Android uses the application icon as thenotification icon (as seen in the notification icon screenshot above).
Handle topic messages
The code written thus far handles registration tokens and adds remotenotification functionality to the app. The next example adds code thatlistens for topic messages and forwards them to the user as remotenotifications. Topic messages are FCM messages that are sent to one ormore devices that subscribe to a particular topic. For more informationabout topic messages, seeTopic Messaging.
Subscribe to a topic
Edit Resources/layout/Main.axml and add the following
Button
declaration immediately after the previous Button
element:This XML adds a Subscribe to Notification button to the layout.Edit MainActivity.cs and add the following code to the end of the
OnCreate
method:This code locates the Subscribe to Notification button in thelayout and assigns its click handler to code that calls
FirebaseMessaging.Instance.SubscribeToTopic
, passing in thesubscribed topic, news. When the user taps the Subscribebutton, the app subscribes to the news topic. In the followingsection, a news topic message will be sent from the FirebaseConsole Notifications GUI.Send a topic message
Uninstall the app, rebuild it, and run it again. Click the Subscribeto Notifications button:
If the app has subscribed successfully, you should see topic syncsucceeded in the IDE output window:
Use the following steps to send a topic message:
- In the Firebase Console, click NEW MESSAGE.
- On the Compose message page, enter the message text and selectTopic.
- In the Topic pull-down menu, select the built-in topic,news:
- On the Android device (or emulator), background the app by tappingthe Android Overview button and touching the home screen.
- When the device is ready, click SEND MESSAGE in the FirebaseConsole.
- Check the IDE output window to see /topics/news in the log output:
When this message is seen in the output window, the notification iconshould also appear in the notification area on the Android device. Openthe notification icon to view the topic message:
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If you do not receive a message, try deleting the FCMClient app onthe device (or emulator) and repeat the above steps.
Foreground notifications
To receive notifications in foregrounded apps, you must implement
FirebaseMessagingService
. This service is also required for receivingdata payloads and for sending upstream messages. The following examplesillustrate how to implement a service that extendsFirebaseMessagingService
– the resulting app will be able tohandle remote notifications while it is running in the foreground.Implement FirebaseMessagingService
The
FirebaseMessagingService
service is responsible for receiving and processing the messages from Firebase. Each app must subclass this type and override the OnMessageReceived
to process an incoming message. When an app is in the foreground, the OnMessageReceived
callback will always handle the message.Note
Apps only have 10 seconds in which to handle an incoming Firebase Cloud Message. Any work that takes longer than this should be scheduled for background execution using a library such as the Android Job Scheduler or the Firebase Job Dispatcher.
Add a new file called MyFirebaseMessagingService.cs and replace itstemplate code with the following:
Note that the
MESSAGING_EVENT
intent filter must be declared so thatnew FCM messages are directed to MyFirebaseMessagingService
:When the client app receives a message from FCM,
OnMessageReceived
extracts the message content from the passed-in RemoteMessage
objectby calling its GetNotification
method. Next, it logs the messagecontent so that it can be viewed in the IDE output window:Note
If you set breakpoints in
FirebaseMessagingService
,your debugging session may or may not hit these breakpoints because ofhow FCM delivers messages.Send another message
Uninstall the app, rebuild it, run it again, and follow these steps tosend another message:
- In the Firebase Console, click NEW MESSAGE.
- On the Compose message page, enter the message text and selectSingle device.
- Copy the token string from the IDE output window and paste it intothe FCM registration token field of the Firebase Console asbefore.
- Ensure that the app is running in the foreground, then click SENDMESSAGE in the Firebase Console: Run 32 bit apps mac os catalina.
- When the Review message dialog is displayed, click SEND.
- The incoming message is logged to the IDE output window:
Add a local notification sender
In this remaining example, the incoming FCM message will be convertedinto a local notification that is launched while the app is running inthe foreground. Edit MyFirebaseMessageService.cs and add thefollowing
using
statements:Add the following method to
MyFirebaseMessagingService
:To distinguish this notification from background notifications, thiscode marks notifications with an icon that differs from theapplication icon. Add the fileic_stat_ic_notification.png toResources/drawable and include it in the FCMClient project.
The
SendNotification
method uses NotificationCompat.Builder
to create thenotification, and NotificationManagerCompat
is used to launch thenotification. The notification holds a PendingIntent
that will allowthe user to open the app and view the contents of the string passedinto messageBody
. For more information aboutNotificationCompat.Builder
, seeLocal Notifications.Call the
SendNotification
method at end of the OnMessageReceived
method:As a result of these changes,
SendNotification
will run whenever anotification is received while the app is in the foreground, and thenotification will appear in the notification area.When an app is in the background, the payload of the message will determine how the message is handled:
- Notification – messages will be sent to the system tray. A local notification will appear there. When the user taps on the notification the app will launch.
- Data – messages will be handled by
OnMessageReceived
. - Both – messages that have both a notification and data payload will be delivered to the system tray. When the app launches, the data payload will appear in the
Extras
of theIntent
that was used to start the app.
In this example, if the app is backgrounded,
SendNotification
will run if the message has a data payload. Otherwise, a background notification (illustrated earlier in this walkthrough) will be launched.Send the last message
Uninstall the app, rebuild it, run it again, then use the followingsteps to send the last message:
- In the Firebase Console, click NEW MESSAGE.
- On the Compose message page, enter the message text andselect Single device.
- Copy the token string from the IDE output window and pasteit into the FCM registration token field of the FirebaseConsole as before.
- Ensure that the app is running in the foreground, then click SENDMESSAGE in the Firebase Console:
This time, the message that was logged in the output window is alsopackaged in a new notification – the notification icon appears inthe notification tray while the app is running in the foreground:
When you open the notification, you should see the last message thatwas sent from the Firebase Console Notifications GUI:
Disconnecting from FCM
To unsubscribe from a topic, call theUnsubscribeFromTopicmethod on theFirebaseMessagingclass. For example, to unsubscribe from the news topic subscribed toearlier, an Unsubscribe button could be added to the layout withthe following handler code:
To unregister the device from FCM altogether, delete the instance ID bycalling theDeleteInstanceIdmethod on theFirebaseInstanceIdclass. For example:
This method call deletes the instance ID and the data associatedwith it. As a result, the periodic sending of FCM data to the device ishalted.
Troubleshooting
The following describe issues and workarounds that may arise when usingFirebase Cloud Messaging with Xamarin.Android.
FirebaseApp is not Initialized
In some cases, you may see this error message:
This is a known problem that you can work around by cleaning thesolution and rebuilding the project (Build > Clean Solution,Build > Rebuild Solution).
Summary
This walkthrough detailed the steps for implementing Firebase CloudMessaging remote notifications in a Xamarin.Android application. Itdescribed how to install the required packages needed for FCMcommunications, and it explained how to configure the Android Manifestfor access to FCM servers. It provided example code that illustrateshow to check for the presence of Google Play Services. It demonstratedhow to implement an instance ID listener service that negotiates withFCM for a registration token, and it explained how this code createsbackground notifications while the app is backgrounded. It explainedhow to subscribe to topic messages, and it provided an exampleimplementation of a message listener service that is used to receiveand display remote notifications while the app is running in theforeground.
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Manually uninstall Sticky Notifications step by step:
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You may not notice that, there are a few of Mac applications that come with dedicated uninstallation programs. Though the method mentioned above can solve the most app uninstall problems, you can still go for its installation disk or the application folder or package to check if the app has its own uninstaller first. If so, just run such an app and follow the prompts to uninstall properly. After that, search for related files to make sure if the app and its additional files are fully deleted from your Mac.
Automatically uninstall Sticky Notifications with MacRemover (recommended):
No doubt that uninstalling programs in Mac system has been much simpler than in Windows system. But it still may seem a little tedious and time-consuming for those OS X beginners to manually remove Sticky Notifications and totally clean out all its remnants. Why not try an easier and faster way to thoroughly remove it?
If you intend to save your time and energy in uninstalling Sticky Notifications, or you encounter some specific problems in deleting it to the Trash, or even you are not sure which files or folders belong to Sticky Notifications, you can turn to a professional third-party uninstaller to resolve troubles. Here MacRemover is recommended for you to accomplish Sticky Notifications uninstall within three simple steps. MacRemover is a lite but powerful uninstaller utility that helps you thoroughly remove unwanted, corrupted or incompatible apps from your Mac. Now let’s see how it works to complete Sticky Notifications removal task.
1. Download MacRemover and install it by dragging its icon to the application folder.
2. Launch MacRemover in the dock or Launchpad, select Sticky Notifications appearing on the interface, and click Run Analysis button to proceed.
3. Review Sticky Notifications files or folders, click Complete Uninstall button and then click Yes in the pup-up dialog box to confirm Sticky Notifications removal.
The whole uninstall process may takes even less than one minute to finish, and then all items associated with Sticky Notifications has been successfully removed from your Mac!
Benefits of using MacRemover:
MacRemover has a friendly and simply interface and even the first-time users can easily operate any unwanted program uninstallation. With its unique Smart Analytic System, MacRemover is capable of quickly locating every associated components of Sticky Notifications and safely deleting them within a few clicks. Thoroughly uninstalling Sticky Notifications from your mac with MacRemover becomes incredibly straightforward and speedy, right? You don’t need to check the Library or manually remove its additional files. Actually, all you need to do is a select-and-delete move. As MacRemover comes in handy to all those who want to get rid of any unwanted programs without any hassle, you’re welcome to download it and enjoy the excellent user experience right now!
This article provides you two methods (both manually and automatically) to properly and quickly uninstall Sticky Notifications, and either of them works for most of the apps on your Mac. If you confront any difficulty in uninstalling any unwanted application/software, don’t hesitate to apply this automatic tool and resolve your troubles.
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