objective-c – 从不兼容的类型“CameraVIewController *”分配’id’

概述分配给ID< UINavigationControllerDelegate，UIImagePickerControllerDelegate>来自不兼容的类型CameraViewController *警告显示near picker.delegate = self;线 -(IBAction) getPhoto:(id) sender {UIImagePickerController * picke 分配给ID< UINavigationControllerDelegate，UIImagePickerControllerDelegate>来自不兼容的类型CameraviewController *警告显示near picker.delegate = self;线

-(IBAction) getPhoto:(ID) sender {UIImagePickerController * picker = [[UIImagePickerController alloc] init];picker.delegate = self;if((UIbutton *) sender == takePhoto) {    picker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;} else {    //picker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;   picker.sourceType = UIImagePickerControllerSourceTypeCamera;}[self presentModalVIEwController:picker animated:YES];

}}

解决方法 The documentation for UIImagePickerController表示委托必须实现UIImagePickerControllerDelegate协议。您的CameraviewController不执行此协议，也不声明它在其标题中这样做。 总结

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