如何解决点击“消息”应用时,UIActivityController崩溃
我正在用目标C代码编写iOS应用,这是当用户点击barItem上的按钮时采取的措施
- (void)tappedInToolbar:(MyToolbar *)toolbar shareButton:(UIButton *)button {
UIActivityViewController *activityController = [[UIActivityViewController alloc]
initWithActivityItems:@[self,document.fileURL]
applicationActivities:nil];
activityController.modalPresentationStyle = UIModalPresentationPopover;
[self presentViewController:activityController animated:YES completion:nil];
UIPopoverPresentationController *popController = [activityController popoverPresentationController];
popController.permittedArrowDirections = UIPopoverArrowDirectionAny;
popController.sourceView = button;
}
该应用程序能够成功显示活动控制器 而且我可以选择许多系统应用程序来共享我的文件,例如“空投”邮件,便笺等;但是,每当我点击“消息”以共享文件时,该应用都会因该堆栈跟踪而崩溃。
如果有人知道如何解决此问题,请分享,将不胜感激。
1
IOSurface
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QuartzCore
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3
CoreGraphics
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BaseBoardUI
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5
SpringBoardFoundation
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6
ChatKit
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7
ChatKit
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8
Foundation
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9
Foundation
-[NSBlockOperation main] + 100
10
Foundation
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11
Foundation
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12
Foundation
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13
Foundation
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14
libdispatch.dylib
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15
libdispatch.dylib
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