Then you can add the system alert view later when you need to use it (you can attach that to some events such as activity's onPause or when the user click something). Among other things, it automatically performs window transitions and animations when opening or closing an app or rotating the screen. You can just remove the system alert view temporally when you show your chat activity and make that chat bubbles part of the activity's layout to make it looks like the first image above. The Android WindowManager is a system service, which is responsible for managing the z-ordered list of windows, which windows are visible, and how they are laid out on screen. WindowManager.addView(activityView, dialogParams) View activityView = inflater.inflate(R.layout.activity_layout, null) To achieve what you want you have to add your chat view to window manager the same way you added the chat bubbles instead of using an activity.Įxample:- WindowManager.LayoutParams dialogParams = new WindowManager.LayoutParams( Therefore, you can't make any activity appears on top of that view. Here is the style in style file I made: view is shown on top of all other applications and activities. Window flag: a special mode where the layout parameters are used to perform scaling of the surface when it is composited to the screen. This java examples will help you to understand the usage of .TYPESYSTEMOVERLAY. Params.y = (int) (height - dpToPx(this,40)) Params.flags = _TURN_SCREEN_ON| _SHOW_WHEN_LOCKED|_KEEP_SCREEN_ON Params.dimAmount = 0f // set it higher if you want to dim behind the window Params.alpha = 1.0f // lower than one makes it more transparent Thursday, Aug1:01 PM All replies 0 Sign in to vote User401 posted Hi, this should work IWindowManager windowManager Context.GetSystemService (Context.WindowService).JavaCast () according to that post 5./IWindowManager-td4845524.Each window manager instance is bound to a particular Display. Use Context.getSystemService (Context.WINDOWSERVICE) to get one of these. This is the code I have for my activity dialog WindowManager.LayoutParams params = getWindow().getAttributes() WindowManager implements ViewManager Class Overview The interface that apps use to talk to the window manager. How can I have an activty overlay like the one used in Facebook Messenger using the WindowManager?įirst widnow manger thats who have chatheads bubble params = new WindowManager.LayoutParams( You can retrieve a window manager instance as follows: WindowManager mWindowManager (WindowManager) mContext.getSystemService (Context.
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