iphone:使用UIImagePickerController從IPhone照片庫或照相機擷取映像

from: 使用UIImagePickerController從IPhone照片庫或照相機擷取映像

使用UIimagePickerController選取照片庫操作十分簡單：

在對應響應中：

UIImagePickerController * picker = [[UIImagePickerController alloc] init];  

picker.delegate = self;  //控制器當然要遵循響應的delegate協議

picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; //指定picker的資源，有三種

                                                                                                   //enum { UIImagePickerControllerSourceTypePhotoLibrary,

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　//  　　　　UIImagePickerControllerSourceTypeCamera,

　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　//　　　　　UIImagePickerControllerSourceTypeSavedPhotosAlbum }

    [selfpresentModalViewController:picker animated:YES];　　//顯示picker view

 

在delegate方法中：

-(void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{

　　//info: A dictionary containing the original image and the edited image, if an image was picked; or a filesystem URL for the movie, if a movie was picked

    [picker dismissModalViewControllerAnimated:YES];  //讓其消失

　　imageView.image = [info objectForKey:@"UIImagePickerControllerOriginalImage"];

}

 

NSString *const UIImagePickerControllerMediaType;NSString *const UIImagePickerControllerOriginalImage;NSString *const UIImagePickerControllerEditedImage;NSString *const UIImagePickerControllerCropRect;NSString *const UIImagePickerControllerMediaURL;NSString *const UIImagePickerControllerReferenceURL;NSString *const UIImagePickerControllerMediaMetadata;

RootViewController - tableView:cellForRowAtIndexPath - Load image from assetsLibrary

Using AssetsLibrary Framework loading images too slow

 

補充：ipad的不能調出UIImagePickerController，需要通過PopOver調出