Fallo al usar bloques (animación) en instrucciones de cambio
Este código funciona (if-statement con animaciones):
// works
if (_camOrientation == UIDeviceOrientationPortrait) {
[UIView animateWithDuration:0.5f animations:^(void){
[_distanceView setTransform:CGAffineTransformMakeRotation(degreesToRadian(0.0))];
}];
} else if (_camOrientation == UIDeviceOrientationLandscapeLeft) {
[UIView animateWithDuration:0.5f animations:^(void){
[_distanceView setTransform:CGAffineTransformMakeRotation(degreesToRadian(90.0))];
}];
}
Esto también funciona (declaración de cambio sin animaciones):
// works
switch (_camOrientation) {
case UIDeviceOrientationPortrait:
[_distanceView setTransform:CGAffineTransformMakeRotation(degreesToRadian(0.0))];
break;
case UIDeviceOrientationLandscapeLeft:
[_distanceView setTransform:CGAffineTransformMakeRotation(degreesToRadian(90.0))];
break;
default:
break;
}
Éste se bloquea (interruptor-declaración con animación):
// crashes
switch (_camOrientation) {
case UIDeviceOrientationPortrait:
[UIView animateWithDuration:0.5f animations:^(void){
[_distanceView setTransform:CGAffineTransformMakeRotation(degreesToRadian(0.0))];
}];
break;
case UIDeviceOrientationLandscapeLeft:
[UIView animateWithDuration:0.5f animations:^(void){
[_distanceView setTransform:CGAffineTransformMakeRotation(degreesToRadian(90.0))];
}];
break;
default:
break;
}
¿Por qué no puedo usar bloques de animación en una instrucción de cambio?