【问题标题】:Android Java - Unable to destroy activity: IndexOutOfBoundsExceptionAndroid Java - 无法销毁活动:IndexOutOfBoundsException
【发布时间】:2017-07-28 09:56:50
【问题描述】:

每当我关闭我的应用程序时,我都会收到以下错误:

FATAL EXCEPTION: main
  Process: uk.cal.codename.projectnedry, PID: 24450
  java.lang.RuntimeException: Unable to destroy activity {uk.cal.codename.projectnedry/uk.CompanyScope.CompanyNavigationActivity.CompanyNavigationActivity}: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
      at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4203)
      at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:4221)
      at android.app.ActivityThread.-wrap6(ActivityThread.java)
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1538)
      at android.os.Handler.dispatchMessage(Handler.java:102)
      at android.os.Looper.loop(Looper.java:154)
      at android.app.ActivityThread.main(ActivityThread.java:6119)
      at java.lang.reflect.Method.invoke(Native Method)
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
   Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
      at java.util.ArrayList.set(ArrayList.java:427)
      at android.support.v4.app.FragmentManagerImpl.makeInactive(FragmentManager.java:1662)
      at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1452)
      at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1528)
      at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1595)
      at android.support.v4.app.FragmentManagerImpl.dispatchDestroy(FragmentManager.java:2951)
      at android.support.v4.app.FragmentController.dispatchDestroy(FragmentController.java:271)
      at android.support.v4.app.FragmentActivity.onDestroy(FragmentActivity.java:390)
      at android.support.v7.app.AppCompatActivity.onDestroy(AppCompatActivity.java:209)
      at uk.genericmodelviewpresenter.GenericMvpActivity.onDestroy(GenericMvpActivity.java:96)
      at uk.CompanyScope.CompanyNavigationActivity.CompanyNavigationActivity.onDestroy(CompanyNavigationActivity.java:523)
      at android.app.Activity.performDestroy(Activity.java:6881)
      at android.app.Instrumentation.callActivityOnDestroy(Instrumentation.java:1153)
      at android.app.ActivityThread.performDestroyActivity(ActivityThread.java:4190)
      at android.app.ActivityThread.handleDestroyActivity(ActivityThread.java:4221) 
      at android.app.ActivityThread.-wrap6(ActivityThread.java) 
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1538) 
      at android.os.Handler.dispatchMessage(Handler.java:102) 
      at android.os.Looper.loop(Looper.java:154) 
      at android.app.ActivityThread.main(ActivityThread.java:6119) 
      at java.lang.reflect.Method.invoke(Native Method) 
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) 
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776) 

我写过的唯一接触代码的部分是:

CompanyNavigationActivity:

@Override
public void onDestroy() {
    super.onDestroy();
    getSpecificImpOfGenericPresenter().closeRealm();
}

及其超类GenericMvpActivity:

@Override
public void onDestroy() {
    super.onDestroy();
    //Unbind Butterknife bindings
    if(mUnbinder!=null) {
        mUnbinder.unbind();
    }
}

通过查看堆栈跟踪,我可以看到它与片段相关,但这是在 Android 代码中。此 CompanyNavigationActivity 有时确实包含许多片段,但无论是否创建它们都会发生错误

关于原因是什么的任何想法?

编辑 1

presenter 类中的 closeRealm 方法,只是移除监听器并关闭领域的 Presenters 实例。

public void closeRealm() {
    this.mRealmDatabase.getInstance().removeAllChangeListeners();
    this.mRealmDatabase.close();
}

编辑 2

经过进一步测试,似乎如果我在 CompanyNavigationActivity 的视图页面中创建片段,则此错误不会发生。似乎只有在活动中没有片段时才会发生。

编辑 3

我已将其缩小到一个特定的方法,即启动前台服务。更具体地说,是 startService 调用。

     /**
     * If foreground location service is not running, start it
     */
    private void startLocationService() {
        if (!ForegroundLocationService.IS_SERVICE_RUNNING) {
            Intent service = new Intent(getSpecificImpOfGenericView().getApplicationContext(), ForegroundLocationService.class);
            service.setAction(ServiceConstants.ACTION.STARTFOREGROUND_ACTION);
            ForegroundLocationService.IS_SERVICE_RUNNING = true;
            getSpecificImpOfGenericView().getApplicationContext().startService(service);
        }
    }

前台请求肯定应该保留在前台,作为单独的服务,并且不影响启动它们的活动的销毁吗?

【问题讨论】:

  • CompanyNavigationActivity.java:523 上的内容
  • 错误在 getSpecificImpOfGenericPresenter().closeRealm();
  • 错误发生在super.onDestroy();
  • @Calco 这是做什么的getSpecificImpOfGenericPresenter()
  • 它允许View调用Presenter类中的closeRealm()方法。

标签: java android android-fragments indexoutofboundsexception


【解决方案1】:

您应该在super.onDestroy(); 之前完成所有工作 首先销毁实例特定资源,然后再销毁实例特定资源可能依赖的超类资源才有意义。

【讨论】:

  • 我听从了您的建议,但这并不能解决当前问题
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