android - LifecycleRegistry 的 popParentState 处的 ArrayIndexOutOfBoundsException
问题描述
当将架构组件添加到片段时,我一直面临着这种奇怪的崩溃,崩溃是随机
发生navigation bottom bar
的LifecycleObserver
:
Fatal Exception: java.lang.ArrayIndexOutOfBoundsException: length=12; index=-1
at java.util.ArrayList.remove(ArrayList.java:405)
at android.arch.lifecycle.LifecycleRegistry.popParentState(LifecycleRegistry.java:194)
at android.arch.lifecycle.LifecycleRegistry.forwardPass(LifecycleRegistry.java:293)
at android.arch.lifecycle.LifecycleRegistry.sync(LifecycleRegistry.java:332)
at android.arch.lifecycle.LifecycleRegistry.moveToState(LifecycleRegistry.java:137)
at android.arch.lifecycle.LifecycleRegistry.handleLifecycleEvent(LifecycleRegistry.java:123)
at android.support.v4.app.Fragment.performStart(Fragment.java:2380)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1467)
at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1759)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1827)
at android.support.v4.app.BackStackRecord.executeOps(BackStackRecord.java:797)
at android.support.v4.app.FragmentManagerImpl.executeOps(FragmentManager.java:2596)
at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2383)
at android.support.v4.app.FragmentManagerImpl.removeRedundantOperationsAndExecute(FragmentManager.java:2338)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2245)
at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:703)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:158)
at android.app.ActivityThread.main(ActivityThread.java:7225)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
替换该片段后发生崩溃我的代码的代码跟踪从这里开始
getSupportFragmentManager()
.beginTransaction()
.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out)
.replace(R.id.flMain, fragment, tabModel.getName())
.addToBackStack(BACK_STACK_ROOT_TAG)
.commitAllowingStateLoss();
这里有什么可能的问题?
解决方案
您必须确保您的操作在 UI 线程中
getSupportFragmentManager()
.beginTransaction()
.setCustomAnimations(android.R.anim.fade_in, android.R.anim.fade_out)
.replace(R.id.flMain, fragment, tabModel.getName())
.addToBackStack(BACK_STACK_ROOT_TAG)
.commitAllowingStateLoss();
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