Why is the Camera not in fullscreen?

[robin1508]

Hi, my problem is that if I start the UIImagePickerController with a custom overlay view, the camera is not covering the whole screen?

See on your self:



You see the black gap between the camera preview and the toolbar? I don't know how to fix that.


Thats the code:

	self.camPicker = [[UIImagePickerController alloc] init];
	
	self.camPicker.delegate = self;
	self.camPicker.allowsEditing = NO;
	
	if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
		
		UIButton *takeButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, [UIScreen mainScreen].bounds.size.height-40)];
		[takeButton addTarget:self action:@selector(takeCamPic:) forControlEvents:UIControlEventTouchUpInside];
		[self.camOverlay addSubview:takeButton];
		
		
		
		self.camPicker.sourceType = UIImagePickerControllerSourceTypeCamera;
		self.camPicker.showsCameraControls = NO;		
		self.camPicker.cameraOverlayView = camOverlay;	
		self.camPicker.toolbarHidden = YES;
		self.camPicker.navigationBarHidden = YES;
		self.camPicker.wantsFullScreenLayout = YES;
		
		
		
		
	} else
		self.camPicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
	
	[self presentModalViewController:self.camPicker animated:YES];

The overlay view has the size 320*480 in the interface builder.

Did someone face the same problem?

[Bill Hollings]

Hi Robin...

The camera's image itself is not large enough and needs to be scaled to fit the space.

Add the following two lines after your "self.camPicker.wantsFullScreenLayout" line:

CGFloat camScaleup = 1.xxx;
self.camPicker.cameraViewTransform = CGAffineTransformScale(self.camPicker.cameraViewTransform, camScaleup, camScaleup);

You set the "1.xxx" based on how much space you need to fill up. In my case, I don't have a toolbar or any controls at all and so I needed to span 54 additional pixels. My value was therefore (480 / (480 - 54)), or 1.12676. In your case, it looks like your gap is smaller and you can use a value much closer to 1.000.

...Bill