[英]Moving to Xcode 7/Swift 2.0 causes app to get stuck on launch screen
[英]XCode App Stuck on Launch Screen No Error Log
我使用XCode 8.1並使用Swift 3.當我從XCode運行它而沒有錯誤日志時,應用突然決定卡在啟動屏幕上。 我把斷點放在didFinishLaunchingWithOptions
但它沒有被觸發。 該應用程序不會完全關閉,只是繼續顯示啟動屏幕。 有趣的是,當我在沒有XCode的設備上點擊應用程序時,該應用程序沒有問題。 知道為什么會這樣嗎?
我嘗試了什么
以下是崩潰時的結果。
APPNAME`main:
0x1000c6fc4 <+0>: stp x29, x30, [sp, #-16]!
0x1000c6fc8 <+4>: mov x29, sp
0x1000c6fcc <+8>: sub sp, sp, #32 ; =32
0x1000c6fd0 <+12>: adrp x8, 1366
0x1000c6fd4 <+16>: ldr x8, [x8, #2272]
0x1000c6fd8 <+20>: adrp x9, 1366
0x1000c6fdc <+24>: ldr x9, [x9, #1472]
0x1000c6fe0 <+28>: str w0, [x9]
0x1000c6fe4 <+32>: ldr x8, [x8]
0x1000c6fe8 <+36>: cmn x8, #1 ; =1
0x1000c6fec <+40>: stur w0, [x29, #-4]
0x1000c6ff0 <+44>: str x1, [sp, #16]
0x1000c6ff4 <+48>: b.eq 0x1000c7010 ; <+76> at AppDelegate.swift:17
0x1000c6ff8 <+52>: adrp x8, 1366
0x1000c6ffc <+56>: ldr x0, [x8, #2272]
0x1000c7000 <+60>: adrp x8, 1365
0x1000c7004 <+64>: ldr x8, [x8, #2264]
0x1000c7008 <+68>: mov x1, x8
0x1000c700c <+72>: bl 0x1004c9a84 ; symbol stub for: swift_once
0x1000c7010 <+76>: adrp x8, 1365
0x1000c7014 <+80>: ldr x8, [x8, #1464]
0x1000c7018 <+84>: ldr x9, [sp, #16]
0x1000c701c <+88>: str x9, [x8]
0x1000c7020 <+92>: bl 0x1000c6cb4 ; type metadata accessor for APPNAME.AppDelegate at AppDelegate.swift
0x1000c7024 <+96>: bl 0x1004c820c ; symbol stub for: NSStringFromClass
0x1000c7028 <+100>: mov x29, x29
0x1000c702c <+104>: bl 0x1004c83ec ; symbol stub for: objc_retainAutoreleasedReturnValue
0x1000c7030 <+108>: movz x8, #0
0x1000c7034 <+112>: ldur w10, [x29, #-4]
0x1000c7038 <+116>: str x0, [sp, #8]
0x1000c703c <+120>: mov x0, x10
0x1000c7040 <+124>: ldr x1, [sp, #16]
0x1000c7044 <+128>: mov x2, x8
0x1000c7048 <+132>: ldr x3, [sp, #8]
0x1000c704c <+136>: bl 0x1004c8104 ; symbol stub for: UIApplicationMain
0x1000c7050 <+140>: movz w10, #0
0x1000c7054 <+144>: str w0, [sp, #4]
0x1000c7058 <+148>: mov x0, x10
0x1000c705c <+152>: mov sp, x29
0x1000c7060 <+156>: ldp x29, x30, [sp], #16
0x1000c7064 <+160>: ret
如果Xcode解決了這個問題,請重新啟動。
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