我遇到了这个奇怪的bug:有时当我推一个视图控制器(VC 1-> VC 2)时,应用程序会被冻结(它不会崩溃,只是冻结)。没有阻塞主线程。当我检查视图层次结构时,VC 2实际上是在“UIParallaxDimmingView
“下。此外,viewDidLoad
,viewDidAppear
被调用。
我如何介绍VC 2:
VC *vc2 = [[VC alloc]initWithStyle:UITableViewStyleGrouped];
[self.navigationController pushViewController:vc2 animated:YES];
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所以问题是VC 2加载了,但没有出现在屏幕上。这是视图层次结构的屏幕截图,突出显示的蓝色视图是UIParallaxDimmingView
,它阻挡了我所有的VC 2内容,而VC 1实际上在VC 2之下。
x1c 0d1x的数据
这是我的堆栈跟踪
0x10016b8dc <+0>: sub sp, sp, #0x40 ; =0x40
0x10016b8e0 <+4>: stp x29, x30, [sp, #0x30]
0x10016b8e4 <+8>: add x29, sp, #0x30 ; =0x30
0x10016b8e8 <+12>: stur wzr, [x29, #-0x4]
0x10016b8ec <+16>: stur w0, [x29, #-0x8]
0x10016b8f0 <+20>: stur x1, [x29, #-0x10]
0x10016b8f4 <+24>: bl 0x1004105a4 ; symbol stub for: objc_autoreleasePoolPush
0x10016b8f8 <+28>: adrp x1, 1044
0x10016b8fc <+32>: add x1, x1, #0x888 ; =0x888
0x10016b900 <+36>: adrp x30, 1057
0x10016b904 <+40>: add x30, x30, #0xd70 ; =0xd70
0x10016b908 <+44>: ldur w8, [x29, #-0x8]
0x10016b90c <+48>: ldur x9, [x29, #-0x10]
0x10016b910 <+52>: ldr x30, [x30]
0x10016b914 <+56>: ldr x1, [x1]
0x10016b918 <+60>: str x0, [sp, #0x18]
0x10016b91c <+64>: mov x0, x30
0x10016b920 <+68>: str w8, [sp, #0x14]
0x10016b924 <+72>: str x9, [sp, #0x8]
0x10016b928 <+76>: bl 0x1004106c4 ; symbol stub for: objc_msgSend
0x10016b92c <+80>: bl 0x10040fc20 ; symbol stub for: NSStringFromClass
0x10016b930 <+84>: mov x29, x29
0x10016b934 <+88>: bl 0x100410718 ; symbol stub for: objc_retainAutoreleasedReturnValue
0x10016b938 <+92>: mov x9, #0x0
0x10016b93c <+96>: ldr w8, [sp, #0x14]
0x10016b940 <+100>: str x0, [sp]
0x10016b944 <+104>: mov x0, x8
0x10016b948 <+108>: ldr x1, [sp, #0x8]
0x10016b94c <+112>: mov x2, x9
0x10016b950 <+116>: ldr x3, [sp]
0x10016b954 <+120>: bl 0x10040fd28 ; symbol stub for: UIApplicationMain
0x10016b958 <+124>: stur w0, [x29, #-0x4]
0x10016b95c <+128>: ldr x1, [sp]
0x10016b960 <+132>: mov x0, x1
0x10016b964 <+136>: bl 0x1004106e8 ; symbol stub for: objc_release
0x10016b968 <+140>: ldr x0, [sp, #0x18]
0x10016b96c <+144>: bl 0x100410598 ; symbol stub for: objc_autoreleasePoolPop
0x10016b970 <+148>: ldur w0, [x29, #-0x4]
0x10016b974 <+152>: ldp x29, x30, [sp, #0x30]
0x10016b978 <+156>: add sp, sp, #0x40 ; =0x40
0x10016b97c <+160>: ret`
型
2条答案
按热度按时间omjgkv6w1#
我找到了一个解决方案here
所以我的
interactivePopGestureRecognizer
是启用的,即使当前可见视图控制器是导航堆栈上唯一的VC。简单地禁用它就可以解决这个bug。wtzytmuj2#
SWIFT 3
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