I am just wanting one screeen:
When using the UIImagePickerController it uses two screens.
But I don't want this one:

Is this possible?
@Fahri is right AVFoundation is more flexible but if you want to stick with UIImagePickerController what you could do is turn off the camera control by setting showsCameraControls property to NO, then present your own view and custom methods.
Change your code to:
takeVideo
- (IBAction)takeVideo:(UIButton *)sender {
UIToolbar *toolBar=[[UIToolbar alloc] initWithFrame:CGRectMake(0, self.view.frame.size.height-54, self.view.frame.size.width, 55)];
toolBar.barStyle = UIBarStyleBlackOpaque;
NSArray *items=[NSArray arrayWithObjects:
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(cancelVideo)],
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil],
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCamera target:self action:@selector(shootVideo)],
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil],
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil],
nil];
[toolBar setItems:items];
// create the overlay view
UIView *overlayView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height-44)];
overlayView.opaque=NO;
overlayView.backgroundColor=[UIColor clearColor];
// parent view for our overlay
UIView *cameraView=[[UIView alloc] initWithFrame:self.view.bounds];
[cameraView addSubview:overlayView];
[cameraView addSubview:toolBar];
picker = [[UIImagePickerController alloc] init];
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera] == NO){
NSLog(@"Camera not available");
return;
}
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
picker.mediaTypes = [[NSArray alloc] initWithObjects: (NSString *) kUTTypeMovie, nil];
picker.delegate = self;
// hide the camera controls
picker.showsCameraControls=NO;
[picker setCameraOverlayView:cameraView];
[self presentViewController:picker animated:YES completion:nil];
}
shootVideo
-(void) shootVideo {
[picker startVideoCapture];
}
cancelVideo
- (IBAction)cancelVideo {
[self dismissViewControllerAnimated:YES completion:nil];
}
screenshot

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