iOS 橫屏中添加UIImagePickerController獲取系統圖片

遷移自開源中國

  1. 在完全橫屏的應用中（Supported interface orientations只有兩個選項Landscape (right home button)和Landscape (left home button)）。
  2. 添加UIImagePickerController來獲取系統圖片和拍照時崩潰
2014-03-25 10:11:37.697 beethoven-new iOS[1372:60b] *** Terminating app due to uncaught exception 'UIApplicationInvalidInterfaceOrientation', reason: 'Supported orientations has no common orientation with the application, and shouldAutorotate is returning YES'

產生原因：UIImagePickerController默認只支持豎屏的原因

如何解決
添加UIImagePickerController分類LandScapeImagePicker

@interface UIImagePickerController (LandScapeImagePicker)

- (BOOL)shouldAutorotate;
- (NSUInteger)supportedInterfaceOrientations;

@end

#import "UIImagePickerController+LandScapeImagePicker.h"

@implementation UIImagePickerController (LandScapeImagePicker)

- (BOOL)shouldAutorotate {
    return YES;
}

- (NSUInteger)supportedInterfaceOrientations {
    return UIInterfaceOrientationMaskLandscape;
}

@end
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