问题描述
我正在使用AR Foundation的Android应用程序上进行协作。从一天到另一天(不进行新构建),该应用程序每次在启动屏幕后开始崩溃。我正在使用华为Mate 20 Pro,但我的队友使用其他Android手机(三星,小米和摩托罗拉),他们继续开发该应用程序,并且对他们来说效果很好。我拉了他们的提交(对他们有用),不做任何更改,并且它一直崩溃在我的手机上。我们正在使用Firebase,所以我从Crashlytics中获得了信息,但我不能安静地理解它:
Unity版本为2019.4.8f1 LTS,华为手机可在Android 10上运行。
完整的崩溃日志为:
Caused by java.lang.Error
*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Version '2019.4.8f1 (60781d942082)',Build type 'Release',Scripting Backend 'mono',CPU 'armeabi-v7a'
Build fingerprint: 'HUAWEI/LYA-L29/HWLYA:10:user/release-keys' Revision: '0' ABI: 'arm'
Timestamp: 2020-08-13 14:12:37-0300 pid: 3571,tid: 3777,name: UnityMain >>> com.app.name <<<
uid: 10315 signal 11 (SIGSEGV),code 1 (SEGV_MAPERR),fault addr 0x0
Cause: null pointer dereference r0 00000000 r1 00000000 r2 00000000 r3 00000000 r4 a965d490 r5 bd74a87c r6 80808080 r7 00000000 r8 be98f540 r9 00000000 r10 00000000 r11 b2f15f60 ip b2f4cc90 sp bd74a878 lr b2f1e859 pc 00000000
managed backtrace: #00 (wrapper managed-to-native)
UnityEngine.XR.ARCore.ARCoreSessionSubsystem/NativeApi:UnityARCore_session_update (UnityEngine.ScreenOrientation,UnityEngine.Vector2Int,intptr,UnityEngine.XR.ARSubsystems.Feature) #01
UnityEngine.XR.ARCore.ARCoreSessionSubsystem/ARCoreProvider:Update (UnityEngine.XR.ARSubsystems.XRSessionUpdateParams,UnityEngine.XR.ARSubsystems.Configuration) <0xef> #02
UnityEngine.XR.ARSubsystems.XRSessionSubsystem:Update (UnityEngine.XR.ARSubsystems.XRSessionUpdateParams) <0x1d3> #03
UnityEngine.XR.ARFoundation.ARSession:Update () <0x157> #04
(wrapper runtime-invoke) object:runtime_invoke_void__this__ (object,intptr)
更新
在ARSession脚本的Update中,我设法将崩溃范围缩小到以下代码行:
void Update()
{
if (subsystem?.running == true)
{
m_TrackingMode = subsystem.requestedTrackingMode.ToTrackingMode();
if (subsystem.matchFrameRateEnabled)
{
Application.targetFrameRate = subsystem.frameRate;
QualitySettings.vSyncCount = 0;
}
//subsystem.Update(new XRSessionUpdateParams
//{
// screenOrientation = Screen.orientation,// screenDimensions = new Vector2Int(Screen.width,Screen.height)
//});
switch (subsystem.trackingState)
{
case TrackingState.None:
case TrackingState.Limited:
state = ARSessionState.SessionInitializing;
break;
case TrackingState.Tracking:
state = ARSessionState.SessionTracking;
break;
}
}
}
使用这些注释行,应用程序启动,但相机无法正常工作。如果我取消注释,它将崩溃。我知道这里存在问题,因为我放置了一个:
UnityEngine.Handheld.Vibrate();
前后,手机仅振动一次。