打開相機：

//先設定sourceType為相機，然后判斷相機是否可用（ipod）沒相機，不可用將sourceType設定為相片庫UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera; // if (![UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) { // sourceType = UIImagePickerControllerSourceTypePhotoLibrary; // }//sourceType = UIImagePickerControllerSourceTypeCamera; //照相機//sourceType = UIImagePickerControllerSourceTypePhotoLibrary; //圖片庫//sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum; //保存的相片UIImagePickerController *picker = [[UIImagePickerController alloc] init];//初始化picker.delegate = self;picker.allowsEditing = YES;//設置可編輯picker.sourceType = sourceType;[self presentModalViewController:picker animated:YES];//進入照相界面[picker release];

在iPhone和iPod touch上面系統始終以UIModalPresentationFullScreen模式顯示presented VC。

打開相冊：（區分pad和iphone）

for iphone

UIImagePickerController *pickerImage = [[UIImagePickerController alloc] init];if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]) {pickerImage.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;//pickerImage.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;pickerImage.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:pickerImage.sourceType];}pickerImage.delegate = self;pickerImage.allowsEditing = NO;[self presentModalViewController:pickerImage animated:YES];[pickerImage release];

會在一個新的窗口中打開

for ipad:

On iPad, UIImagePickerController must be presented via UIPopoverController

不是你想不想的問題，是蘋果讓你想不想的問題

UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypePhotoLibrary;//sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum; //保存的相片UIImagePickerController *picker = [[UIImagePickerController alloc] init];picker.delegate = self;picker.allowsEditing = NO;//是否允許編輯picker.sourceType = sourceType;/*如果從一個導航按鈕處呈現，使用：presentPopoverFromBarButtonItem:permittedArrowDirections:animated:；如果要從一個視圖出呈現，使用：presentPopoverFromRect:inView:permittedArrowDirections:animated:如果設備旋轉以后，位置定位錯誤需要在父視圖控制器的下面方法里面重新定位：didRotateFromInterfaceOrientation:（在這個方法體里面重新設置rect）然后再次調用：- (void)presentPopoverFromRect:(CGRect)rect inView:(UIView *)view permittedArrowDirections:(UIPopoverArrowDirection)arrowDirections animated:(BOOL)animated *///UIPopoverController只能在ipad設備上面使用；作用是用于顯示臨時內容，特點是總是顯示在當前視圖最前端，當單擊界面的其他地方時自動消失。UIPopoverController *popover = [[UIPopoverController alloc]initWithContentViewController:picker];self.imagePicker = popover;//permittedArrowDirections 設置箭頭方向[self.imagePicker presentPopoverFromRect:CGRectMake(0, 0, 300, 300) inView:self.view permittedArrowDirections:UIPopoverArrowDirectionAny animated:YES];[picker release];[popover release];

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轉載于:https://www.cnblogs.com/ghgyj/p/4057296.html

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