If you want to send notifications through a service, you must implement it as a foreground service.įor information about implementing notifications with foreground services, see Services that show a notification immediately. Since background services consume significant battery power, Samsung restricts background services from third-party applications to balance user experience and battery life. If the value of the sensor key TYPE_OFFBODY_DETECTION is "1," the watch is being worn and notifications can be triggered. To check whether the user is wearing the watch, use the SensorManager library. Notifications, including their sound or vibration, can only be triggered when the watch is being worn on the wrist. To implement notifications appropriately for Galaxy Watch, you must understand the following policies related to notification behavior: You need this notification ID to update or dismiss the notification. In the sample application, the notification is assigned a random integer value to uniquely identify the notification. notificationManager.createNotificationChannel(new NotificationChannel(CHANNEL_ID,CHANNEL_NAME, NotificationManager.IMPORTANCE_DEFAULT)) ĭisplay the notification: notificationManager.notify(100, notification) This is required for Android 8.0 and higher. setSmallIcon(R.drawable.notification_icon)Ĭreate a notification channel and assign it a unique channel ID. To define the notification properties, such as the icon, title, and text, use Notification.Builder: Notification notification= new Notification.Builder(this) ![]() The following code converts the image into a bitmap: Drawable drawable = ResourcesCompat.getDrawable(getResources(),R.drawable.notification_icon, null) īitmapDrawable bitmapDrawable = (BitmapDrawable) drawable īitmap largeIcon = bitmapDrawable.getBitmap() To implement the notification icon, store the icon image as a PNG file within the "res" folder in the project. In the application code, create an instance of the NotificationManager class: NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE) In Android Studio, to create a wearable application project, select "New Project > Wear OS > Blank Activity > Finish." To implement a basic notification for Wear OS Powered by Samsung devices: A sample application is also provided so you can examine how the code works in practice. ![]() This tutorial demonstrates how to easily implement notifications on a Galaxy Watch running Wear OS Powered by Samsung and introduces the notification policies specific to Galaxy Watch. When developing your application, you must take these policies into account when implementing notifications for the real devices that the application supports. So, implementing them in your application can greatly enhance the user experience.Ĭreating notifications on Android wearables is very simple, but for security or user experience reasons, manufacturers can have varying policies related to notifications. The benefit is that it makes it super-easy to take notifications even if your phone is sitting on a charger somewhere.Notifications are a central part of many mobile applications because they keep users updated and engaged. It's a "set it and forget it" type of deal. If everything is working right, the two devices will stay connected and you will get your Android notifications on your computer whenever they are on the same network. If you have a main desktop PC or laptop that you are using, you can set up Link to Windows once and leave it be. You should definitely at least try Link to Windows DeX is there for the digital nomads that want to travel minimalistically or for those that want to revive an old laptop instead of buying a new Chromebook or something. So, bottom line is - most people will want to use Link to Windows to sync their devices and enjoy a more unified experience. ![]() But in different manners - running apps off of Phone Link is hardly usable for lengthy tasks, whereas the windowed DeX desktop is the perfect environment for exactly that type of use. ![]() Yes, both can display Android Play Store apps on your PC screen or let you receive calls on your computer, and transfer files or most recent photos. Now that we know that these two features are very different animals, it's pretty apparent that they serve different use cases. Should I use Link to Windows or Samsung DeX? However, look for the Link to Windows app on the Play Store - it's actually compatible with many Android smartphones. Phone Link is more of a Microsoft feature than a Samsung one - yes, it was exclusive to Samsung smartphones and Microsoft phones earlier, due to the close partnership between both companies.
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