![]() Android devices, without needing a proprietary sync. (I'm sure the Music player works in the same way, so the example in the docs seems a bit misleading.) If that's the case, then your Activity can finish as usual and the Service will still be running.Ī simpler approach is to capture the Back button press and call moveTaskToBack(true) as follows: // 2. Google Cloud Messaging (GCM) is a service that let developers send short message data to their users on. Most of the time you need to create a Service to perform something in the background, and your visible Activity simply controls this Service. Legacy size that Display#getSize reportsįinal Size legacySize = new Size(bounds.width() - insetsWidth, Int insetsHeight = insets.top + insets.bottom Int insetsWidth = insets.right + insets.left Insets insets = windowInsets.getInsetsIgnoreVisibility(() "The absolute width of the display in pixels."Ä®xample: Log.d("ApplicationTagName", "Display width in px is " + metrics.widthPixels) ĪPI level 30 update final WindowMetrics metrics = windowManager.getCurrentWindowMetrics() įinal WindowInsets windowInsets = metrics.getWindowInsets() We can use widthPixels to get information for: GetWindowManager().getDefaultDisplay().getMetrics(metrics) To access the DisplayMetrics members, initialize an object like this: DisplayMetrics metrics = new DisplayMetrics() keep a window permanently, probably, there are reasons to use SYSTEMALERTWINDOW and WindowManager. How do we prevent the system from killing the activity This is. In the Service module that updates the wallpaper. WindowManager + public class MainActivity extends ReactActivity. associated with the activity has been attached to the window manager. This will make the app run in the background but without destroying the Activity. ConnectionService />![]() Int height = display.getHeight() // deprecatedįor the use case, you're describing, however, a margin/padding in the layout seems more appropriate.Ī structure describing general information about a display, such as its size, density, and font scaling. moveTaskToBack is going to be super helpful here. ![]() Int width = display.getWidth() // deprecated If you are in a fragment and want to acomplish this just use Activity.WindowManager (in Xamarin.Android) or getActivity().getWindowManager() (in java).Ä«efore getSize was introduced (in API level 13), you could use the getWidth and getHeight methods that are now deprecated: Display display = getWindowManager().getDefaultDisplay() Tried to access visual service WindowManager from a non-visual Context:35e268c Visual services, such as WindowManager, WallpaperService or LayoutInflater should be accessed from Activity or other visual Context. If you're not in an Activity you can get the default Display via WINDOW_SERVICE: WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE) Äisplay display = wm.getDefaultDisplay() If you want the display dimensions in pixels you can use getSize: Display display = getWindowManager().getDefaultDisplay()
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