LoginSignup
1
1

More than 5 years have passed since last update.

ARCオン設定でローカル変数のUIDocumentInteractionControllerから外部アプリケーションを起動しようとするとクラッシュする

Posted at

詳しい内部動作はわからないけど、以下を呼び出してメニューアイコンをタップすると落ちる。

// UIBarButtonItemのアクション
- (IBAction)onButton:(id)sender
{
  NSURL* url = [[NSBundle mainBundle] URLForResource:@"DocumentInteraction_TopicsForIOS.pdf" withExtension:nil];
  UIDocumentInteractionController* interactionController = [UIDocumentInteractionController interactionControllerWithURL:url];
  [interactionController presentOptionsMenuFromBarButtonItem:(UIBarButtonItem *)sender animated:YES];
}

インスタンス変数にすると回避できる。

@property(nonatomic) UIDocumentInteractionController* interactionController;

// ...

// UIBarButtonItemのアクション
- (IBAction)onButton:(id)sender
{
  NSURL* url = [[NSBundle mainBundle] URLForResource:@"DocumentInteraction_TopicsForIOS.pdf" withExtension:nil];
  self.interactionController = [UIDocumentInteractionController interactionControllerWithURL:url];
  [self.interactionController presentOptionsMenuFromBarButtonItem:(UIBarButtonItem *)sender animated:YES];
}
1
1
0

Register as a new user and use Qiita more conveniently

  1. You get articles that match your needs
  2. You can efficiently read back useful information
  3. You can use dark theme
What you can do with signing up
1
1