My wrappers for Android.
Androidapi.JNI.net.wifi.pas - this file includes everything you need to work with package android.net.wifi (include API 29) Test app: https://github.com/AndrewEfimov/FMX-Android-API-Examples/tree/master/WifiTestAPI
Androidapi.JNI.os.Vibration.pas - сontains two classes "VibrationEffect" and "Vibrator" for working with vibration. (include API 29) Test app: https://github.com/AndrewEfimov/FMX-Android-API-Examples/tree/master/Vibrator