Center position bug on iOS8

[umekun123]

Hi, thanks for the nice library, the hud is not centered in landscape mode of iPad on iOS8, any idea to fix this?

[umekun123]

It seems like this change on iOS8 is the reason. http://stackoverflow.com/questions/24150359/is-uiscreen-mainscreen-bounds-size-becoming-orientation-dependent-in-ios8

[umekun123]

This is a quick fix for iOS8 only app.

    case UIInterfaceOrientationLandscapeLeft:
        rotateAngle = -M_PI/2.0f;
        newCenter = CGPointMake([UIScreen mainScreen].bounds.size.height/2, [UIScreen mainScreen].bounds.size.width/2);
        break;
    case UIInterfaceOrientationLandscapeRight:
        rotateAngle = M_PI/2.0f;
        newCenter = CGPointMake([UIScreen mainScreen].bounds.size.height/2, [UIScreen mainScreen].bounds.size.width/2);
        break;

[umekun123]

This is a quick fir fox iOS9 too.

- (void)positionHUD:(NSNotification*)notification {

    UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
    CGRect orientationFrame = [UIScreen mainScreen].bounds;

    if(UIInterfaceOrientationIsLandscape(orientation)) {
        float temp = orientationFrame.size.width;
        orientationFrame.size.width = orientationFrame.size.height;
        orientationFrame.size.height = temp;
    }

    CGFloat activeHeight = orientationFrame.size.height;

    CGFloat posY = floor(activeHeight*0.52);
    CGFloat posX = orientationFrame.size.width/2;

    CGPoint newCenter;
    CGFloat rotateAngle;

    // iOS7 or before
    if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_7_1) {

        switch (orientation) {
            case UIInterfaceOrientationPortraitUpsideDown:
                rotateAngle = M_PI;
                newCenter = CGPointMake(posX, orientationFrame.size.height-posY);
                break;
            case UIInterfaceOrientationLandscapeLeft:
                rotateAngle = -M_PI/2.0f;
                newCenter = CGPointMake(posY, posX);
                break;
            case UIInterfaceOrientationLandscapeRight:
                rotateAngle = M_PI/2.0f;
                newCenter = CGPointMake(orientationFrame.size.height-posY, posX);
                break;
            default: // as UIInterfaceOrientationPortrait
                rotateAngle = 0.0;
                newCenter = CGPointMake(posX, posY);
                break;
        }

    // iOS8
    } else if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_8_4) {

        switch (orientation) {
            case UIInterfaceOrientationPortraitUpsideDown:
                rotateAngle = M_PI;
                newCenter = CGPointMake(posX, orientationFrame.size.height-posY);
                break;
            case UIInterfaceOrientationLandscapeLeft:
                rotateAngle = -M_PI/2.0f;
                newCenter = CGPointMake([UIScreen mainScreen].bounds.size.height/2, [UIScreen mainScreen].bounds.size.width/2);
                break;
            case UIInterfaceOrientationLandscapeRight:
                rotateAngle = M_PI/2.0f;
                newCenter = CGPointMake([UIScreen mainScreen].bounds.size.height/2, [UIScreen mainScreen].bounds.size.width/2);
                break;
            default: // as UIInterfaceOrientationPortrait
                rotateAngle = 0.0;
                newCenter = CGPointMake(posX, posY);
                break;
        }

    // iOS9
    } else {

        switch (orientation) {
            case UIInterfaceOrientationPortraitUpsideDown:
                rotateAngle = M_PI*2.0f;
                newCenter = CGPointMake(posX, posY);
                break;
            case UIInterfaceOrientationLandscapeLeft:
                rotateAngle = -M_PI*2.0f;
                newCenter = CGPointMake(orientationFrame.size.height/2, orientationFrame.size.width/2);
                break;
            case UIInterfaceOrientationLandscapeRight:
                rotateAngle = M_PI*2.0f;
                newCenter = CGPointMake(orientationFrame.size.height/2, orientationFrame.size.width/2);
                break;
            default: // as UIInterfaceOrientationPortrait
                rotateAngle = 0.0;
                newCenter = CGPointMake(posX, posY);
                break;
        }
    }

    self.hudView.transform = CGAffineTransformMakeRotation(rotateAngle);
    self.hudView.center = newCenter;
}