Android Question (SOLVED) Android Things USE_PERIPHERAL_IO permission

*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
uart devices: (ArrayList) [MINIUART, UART0]
main_activity_create (java line: 350)
java.lang.SecurityException: Caller lacks required permission com.google.android.things.permission.USE_PERIPHERAL_IO
at android.os.Parcel.readException(Parcel.java:2005)
at android.os.Parcel.readException(Parcel.java:1951)
at com.google.android.things.pio.IPeripheralManagerClient$Stub$Proxy.GetUartClient(IPeripheralManagerClient.java:1455)
at com.google.android.things.pio.UartDeviceImpl.<init>(UartDeviceImpl.java:48)
at com.google.android.things.pio.PeripheralManager.openUartDevice(PeripheralManager.java:262)
at anywheresoftware.b4a.objects.PeripheralManagerWrapper.OpenUart(PeripheralManagerWrapper.java:51)
at com.genesis.raspii2c.main._activity_create(main.java:350)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:191)
at com.genesis.raspii2c.main.afterFirstLayout(main.java:104)
at com.genesis.raspii2c.main.access$000(main.java:17)
at com.genesis.raspii2c.main$WaitForLayout.run(main.java:82)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)

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