-(void) selectWayToGetPicture{
UIActionSheet *actionSheet = [[UIActionSheet alloc]initWithTitle:nil delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:nil otherButtonTitles:@"拍照",@"圖庫", nil];
[actionSheet showInView:self.view];
}
// 實現UIActionSheetDelegate,UINavigationControllerDelegate,UIImagePickerControllerDelegate
#pragma mark -actionSheetDelegate
-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{
if (buttonIndex == 0) {
// 資源類型爲照相機
UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;
// 判斷是否有相機
if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]){
UIImagePickerController *picker = [[UIImagePickerController alloc] init];
picker.delegate = self;
picker.sourceType = sourceType; // 資源類型爲照相機
picker.allowsEditing = YES; // 設置選擇後的圖片是否能被編輯
[self presentViewController:picker animated:YES completion:nil];
}else {
UIAlertView *alertView = [[UIAlertView alloc]initWithTitle:nil message:@"該設備無攝像頭"delegate:self cancelButtonTitle:@"取消"otherButtonTitles: nil];
[alertView show];
}
}else if(buttonIndex == 1){
UIImagePickerController *pickerController = [[UIImagePickerController alloc] init];
pickerController.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
pickerController.delegate = self;
pickerController.allowsEditing = YES; // 設置選擇後的圖片是否能被編輯
[self presentViewController:pickerController animated:YES completion:nil];
}
}
-(void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
NSString *type = [info objectForKey:UIImagePickerControllerMediaType];
// 當選擇的類型是圖片
if ([type isEqualToString:@"public.image"])
{
UIImage* image = [info objectForKey:@"UIImagePickerControllerEditedImage"]; // 裁剪後的圖片
}
[picker dismissViewControllerAnimated:YES completion:nil];
}
iOS從相機或相冊獲取圖片並裁剪,再獲取裁剪後的圖片
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