Tutorial by Examples

This is a statusbar that you see on top of your screen with icons of battry,clock ... . let frame = require("ui/frame"); Hide: frame.topmost().android.activity.getWindow(). getDecorView().setSystemUiVisibility(android.view.View.SYSTEM_UI_FLAG_FULLSCREEN); Show: frame.topmost()....

open APP_Resources/values/styles.xml and add the <item name="android:windowTranslucentStatus">true</item> in the <style name="AppThemeBase" parent="Theme.AppCompat.Light.NoActionBar"> </style> section.