iPhone iOS4 control de cámara de bajo nivel?

Question

¿Hay alguna forma de establecer manualmente la configuración de la cámara fija de bajo nivel, como la velocidad de obturación, la apertura o ISO en iOS4 en el iPhone 4? No creo que exista en el SDK oficial, pero tal vez alguien haya encontrado algunas API privadas para permitir esto.

Encuentro mi cámara iPhone 4 inutilizable porque incluso con una iluminación bastante decente, siempre insiste en disparar a la velocidad de obturación más lenta de 1/15 de segundo, causando desenfoque de movimiento si el sujeto se está moviendo en absoluto.

Gracias!

Answer 1

No directamente. Por favor presente un informe de error.

Sí, puede haber API privadas disponibles, pero eso es de uso limitado.

Answer 2

Prueba esto, podría ser útil para Usted:

@interface MyViewController() 

@property (nonatomic, retain) IBOutlet UIImageView *imageView; 

@property (nonatomic, retain) IBOutlet UIToolbar *myToolbar; 

@property (nonatomic, retain) OverlayViewController *overlayViewController; 

@property (nonatomic, retain) NSMutableArray *capturedImages; 

// toolbar buttons 

- (IBAction)photoLibraryAction:(id)sender; 

- (IBAction)cameraAction:(id)sender; 


@end 


@implementation MyViewController 
- (void)viewDidLoad 

{ 

    self.overlayViewController = 

     [[[OverlayViewController alloc] initWithNibName:@"OverlayViewController" bundle:nil] autorelease]; 



    // as a delegate we will be notified when pictures are taken and when to dismiss the image picker 

    self.overlayViewController.delegate = self; 

    self.capturedImages = [NSMutableArray array]; 


    if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) 
    { 

     // camera is not on this device, don't show the camera button 

     NSMutableArray *toolbarItems = [NSMutableArray arrayWithCapacity:self.myToolbar.items.count]; 

     [toolbarItems addObjectsFromArray:self.myToolbar.items]; 

     [toolbarItems removeObjectAtIndex:2]; 

     [self.myToolbar setItems:toolbarItems animated:NO]; 

    } 

} 


- (void)viewDidUnload 
{ 

    self.imageView = nil; 

    self.myToolbar = nil; 



    self.overlayViewController = nil; 

    self.capturedImages = nil; 

} 


- (void)dealloc 
{ 

    [_imageView release]; 

    [_myToolbar release]; 



    [_overlayViewController release]; 

    [_capturedImages release]; 



    [super dealloc]; 

} 


- (void)showImagePicker:(UIImagePickerControllerSourceType)sourceType 
{ 

    if (self.imageView.isAnimating) 

     [self.imageView stopAnimating]; 



    if (self.capturedImages.count > 0) 

     [self.capturedImages removeAllObjects]; 



    if ([UIImagePickerController isSourceTypeAvailable:sourceType]) 
    { 

     [self.overlayViewController setupImagePicker:sourceType]; 

     [self presentModalViewController:self.overlayViewController.imagePickerController animated:YES]; 

    } 

} 



- (IBAction)photoLibraryAction:(id)sender 
{ 

    [self showImagePicker:UIImagePickerControllerSourceTypePhotoLibrary]; 

} 



- (IBAction)cameraAction:(id)sender 
{ 

    [self showImagePicker:UIImagePickerControllerSourceTypeCamera]; 

} 


// as a delegate we are being told a picture was taken 

- (void)didTakePicture:(UIImage *)picture 
{ 

    [self.capturedImages addObject:picture]; 

} 


// as a delegate we are told to finished with the camera 

- (void)didFinishWithCamera 
{ 

    [self dismissModalViewControllerAnimated:YES]; 


    if ([self.capturedImages count] > 0) 
    { 

     if ([self.capturedImages count] == 1) 
     { 

      // we took a single shot 

      [self.imageView setImage:[self.capturedImages objectAtIndex:0]]; 

     } 

     else 

     { 

      // we took multiple shots, use the list of images for animation 

      self.imageView.animationImages = self.capturedImages; 



      if (self.capturedImages.count > 0) 

       // we are done with the image list until next time 

       [self.capturedImages removeAllObjects]; 



      self.imageView.animationDuration = 5.0; // show each captured photo for 5 seconds 

      self.imageView.animationRepeatCount = 0; // animate forever (show all photos) 

      [self.imageView startAnimating]; 

     } 

    } 

} 



@end