【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