BackHandler does not go back more than 1 screen

Question

I have this code on each of my screens. Pressing the android back button goes back 1 screen. Pressing android back button again does not do anything. Expected result would b

Answer 1

After some trial and error, this code works as expected. I believe my initial code was not actually removing the event listener.

componentWillMount() {
    BackHandler.addEventListener('hardwareBackPress', this.backPressed);
}

componentWillUnmount() {
    BackHandler.removeEventListener('hardwareBackPress', this.backPressed);
}

backPressed = () => {
    this.props.navigation.goBack();
    return true;
}