Headers files are kept in memory and used for listing available apps. Each of them has a header file that contains the necessary information about it - localized name, internal identifier, icon, list of required permissions, launch preferences, window presets, etc. If you are interested in how complex the logic behind simple floating windows can get, there is a bit of the background from Floating Apps. Private fun getCurrentDisplayMetrics (): DisplayMetrics Fortunately, it allows us to add and remove views directly, and if we add them with correct parameters, we have our floating windows! WindowManager is an interface that the app can use for communication with the window manager.Īnd the window manager on Android handles everything you can see on the screen. In this article, I will teach you how to show the actual floating window over other apps. I received feedback from tens of thousands of users and see various issues on different phones with different Android versions.īefore reading this article, it's recommended to go through Floating Windows on Android 3: Permissions. It’s sometimes tricky, and I spent months reading documentation and Android source code and experimenting. ![]() After 6 years of the development of the app, I know a bit about it. I'm the author of Floating Apps the first app of its kind on Google Play and the most popular one with over 8 million downloads. Have you ever wondered how to make those floating windows used by Facebook Heads and other apps? Have you ever wanted to use the same technology in your app? It’s easy, and I will guide you through the whole process.
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