jsqmessageviewcontroller ios11 toolbar

Question

I have tried the swift example of JSQMessageViewController inside iOS 11 simulator. Here is the result:screenshot

I have tried using safe area margin an

Answer 1

Found a solution without empty space below input toolbar on iPhoneX, the idea that not the whole toolbar self should be above the safe area, but only its self.contentView:

-(void) didMoveToWindow{
    [super didMoveToWindow];
    if (@available(iOS 11.0, *)) {
        if (self.window.safeAreaLayoutGuide != nil) {
            [[self.contentView bottomAnchor] constraintLessThanOrEqualToSystemSpacingBelowAnchor:self.window.safeAreaLayoutGuide.bottomAnchor multiplier:1.0].active = YES;
        }
    }
}