Question

我们最近发现了UIActivityViewController的实现问题，它调用了提供MailComposerVC，消息，facebook和twiter VC的模态视图。在所有较旧的devcies上，所需的消息编辑器打开，并允许用户在活动表上打开图标后撰写他们的消息。在64位设备和64位模拟器上，当用户点击相对图标时，活动失败（正常），我们在控制台中看到了followig错误：

2013-11-08 12:13:00.885 2life[24880:a0b] Cannot find executable for CFBundle 0xd2795d0  (not loaded)
2013-11-08 12:13:00.891 2life[24880:a0b] Launch Services: Registering unknown app identifier com.apple.mobilemail failed
2013-11-08 12:13:00.892 2life[24880:a0b] Launch Services: Unable to find app identifier com.apple.mobilemail
2013-11-08 12:13:09.267 2life[24880:a0b] _serviceViewControllerReady:error: Error Domain=NSCocoaErrorDomain Code=4097 "The operation couldn’t be completed. (Cocoa error 4097.)"

有没有人对此有任何见解？这是我们的方法：

- (void)showShareView:(NSIndexPath *)indexPath
{
    NSString *text = NSLocalizedString(@"tellAFriendText", @"This is deault text sting for the message.");
    //NSString *text = @"Test";
    UIImage *image = [UIImage imageNamed:@"tell-a-friend.png"];
    NSArray *activityItems = [NSArray arrayWithObjects: text, image, nil];
    UIActivityViewController * activityController = [[UIActivityViewController alloc] initWithActivityItems:activityItems applicationActivities:nil];
   // activityController.tintColor = [UIColor colorWithWhite:1.0f alpha:0.8f];

    NSArray *exclusions = @[UIActivityTypeSaveToCameraRoll,UIActivityTypeAssignToContact,UIActivityTypeCopyToPasteboard,UIActivityTypePrint];
    activityController.excludedActivityTypes = exclusions;
    if (iPhone) {
        [self presentViewController:activityController animated:YES completion:nil];
    }else if(iPad){
        UIPopoverController *pop = [[UIPopoverController alloc] initWithContentViewController:activityController];
        popover = pop;
        CGRect rect = [self.menuTableView rectForRowAtIndexPath:indexPath];
        rect.origin.x = (rect.size.width - rect.size.width/2)/2;
        rect.size.width /= 2;
        rect.size.height /= 2;
        [pop presentPopoverFromRect:rect inView:self.menuTableView permittedArrowDirections:UIPopoverArrowDirectionDown animated:YES];

    }
}

Answer 1

我们最近解决了这个问题。事实证明，使用UIAppearnce调整BarButtonTitlePosition的位置会导致作曲家ViewControllers退出。评论以下内容可以解决问题。

[[UIBarButtonItem外观] setBackButtonTitlePositionAdjustment：UIOffsetMake（0.0f，-2.0f）forBarMetrics：UIBarMetricsDefault];

UIActivityController与64位设备

1 个答案: