如何在自定义视图中添加 UIImagePickerController？

Question

如何在视图中添加 UIImagePickerController ？如果我将图像选择器添加到视图中，它会全屏显示。我需要在视图的中心显示，但是 UIImagePickerController 隐藏了导航栏。

如何在视图中添加 UIImagePickerController 并显示导航栏？

我正在使用以下代码，我得到了这样的输出（屏幕截图）。

imagePicker = [[UIImagePickerController alloc] init];
imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera;
imagePicker.cameraCaptureMode = UIImagePickerControllerCameraCaptureModePhoto;
imagePicker.cameraDevice = UIImagePickerControllerCameraDeviceRear;
imagePicker.showsCameraControls     = NO;
imagePicker.navigationBarHidden     = NO;
imagePicker.toolbarHidden           = YES;
imagePicker.wantsFullScreenLayout   = NO;
imagePicker.delegate                = self;
imagePicker.cameraOverlayView       = cameraOverlayView;
[self presentViewController:imagePicker animated:NO completion:nil];

在视图中添加 UIImagePickerController 时，我需要一些来显示导航栏。提前致谢。

Answer 1

如果您正在为 iPad 开发应用程序，那么您可以使用 popoverviewcontroller 显示带有导航栏的 imagepickerviewcontroller

请看链接：

How to use UIImagePickerController in iPad?

Answer 2

使用资产库自定义媒体捕获here 的正确方法。

简单的方法（在某些情况下）是使用覆盖整个屏幕的框架大小的视图，并在该视图上添加模拟导航栏的控件。

    if (_pickerOverlay == nil) {
    _pickerOverlay = [[UIView alloc] initWithFrame:self.view.bounds];
    //red transparent tint for demo
    _pickerOverlay.backgroundColor = [UIColor colorWithRed:1.0
                                                     green:0.0
                                                      blue:0.0 alpha:0.6];

    UIButton *btnBack = [UIButton buttonWithType:UIButtonTypeSystem];
    btnBack.frame = CGRectMake(20, 20, 250, 40);
    [btnBack setTitle:@"Custom buttom" forState:UIControlStateNormal];
    btnBack.backgroundColor = [UIColor whiteColor];
    [_pickerOverlay addSubview:btnBack];
}

UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.sourceType = UIImagePickerControllerSourceTypeCamera;
picker.showsCameraControls = NO;
picker.cameraOverlayView = _pickerOverlay;

[self presentViewController:picker animated:YES completion:nil];