Funciones para trabajar con la libreria de la camara

Camera Picker

alert = [[UIAlertView alloc] initWithTitle:@"Fotografia"
                                       message:@"Que desea hacer?"
                                      delegate:self
                             cancelButtonTitle:@"Cancelar"
                             otherButtonTitles:@"Camara", @"Carrete", nil];
    [alert show];


- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
    if(buttonIndex == 0)
    {
        NSLog(@"Cancelar");
    }
    else if(buttonIndex == 1)
    {
        NSLog(@"Camara");
        UIImagePickerController *picker = [[UIImagePickerController alloc] init];
        picker.delegate = self;
        picker.allowsEditing = YES;
        picker.sourceType = UIImagePickerControllerSourceTypeCamera;
        
        [self presentViewController:picker animated:YES completion:NULL];
    }
    else if(buttonIndex == 2)
    {
        NSLog(@"Carrete");
        UIImagePickerController *picker = [[UIImagePickerController alloc] init];
        picker.delegate = self;
        picker.allowsEditing = YES;
        picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
        
        [self presentViewController:picker animated:YES completion:NULL];
    }
}


- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
    
    UIImage *chosenImage = info[UIImagePickerControllerEditedImage];
    self.inputFoto.image = chosenImage;
    
    [picker dismissViewControllerAnimated:YES completion:NULL];
    
}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
    [picker dismissViewControllerAnimated:YES completion:NULL];
}