Android Question get "current Ampere" java code to b4a ?

public static int getBatteryAveragePower(final Context context) {
    int voltage;
    int current = 0;

    Intent receiver =
            context.registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED));

    if (receiver == null) return -1;

    voltage = receiver.getIntExtra(BatteryManager.EXTRA_VOLTAGE, 0);

    BatteryManager manager = (BatteryManager) context.getSystemService(Context.BATTERY_SERVICE);
    if (manager != null) {
        current = manager.getIntProperty(BatteryManager.BATTERY_PROPERTY_CURRENT_AVERAGE);
    }

    return (voltage * current) / 1000000000;
}