android spinner点击android.view.WindowManager$BadTokenException: Unable to add window token is not va

本文解决了一个在TabActivity中使用Spinner时遇到的Android视窗管理器错误,通过调整Spinner初始化方式解决了Spinner点击报错的问题。

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当主界面是一个TabActivity,其中底部有4个ActivityGroup,然后在ActivityGroup跳转到另外一个Activity上面使用Spinner。

处理过这个问题的人,都应该知道,Spinner可以显示,但是点击Spinner之后,就会报错。。。

信息如下:

android.view.WindowManager$BadTokenException: Unable to add window -- token android.app.LocalActivityManager$LocalActivityRecord@44f1f3a8 is not valid; is your activity running?


但是百度之后,基本没有解决的方法。。。

之后在google之后,终于到了解决方案:


在Activity的oncreate()方法里面:

this.setContentView(R.layout.XXXXX);修改为:

View viewToLoad = LayoutInflater.from(this.getParent()).inflate(R.layout.XXXXX, null);
this.setContentView(viewToLoad); 

在把
ArrayAdapter<CharSequence> spinneraAdapter = ArrayAdapter.createFromResource(getParent(), R.array.wishclassfiy,android.R.layout.simple_spinner_item);
修改为:

ArrayAdapter<CharSequence> spinneraAdapter = ArrayAdapter.createFromResource(this , R.array.wishclassfiy,android.R.layout.simple_spinner_item);



这样就可以解决Spinner 的android.view.WindowManager$BadTokenException: Unable to add windowd的错误
E FATAL EXCEPTION: main Process: com.example.kucun2, PID: 20791 java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String java.lang.Object.toString()' on a null object reference at android.widget.ArrayAdapter.createViewFromResource(ArrayAdapter.java:454) at android.widget.ArrayAdapter.getView(ArrayAdapter.java:416) at com.example.kucun2.function.Adapter$5.getView(Adapter.java:158) at android.widget.AbsSpinner.onMeasure(AbsSpinner.java:206) at android.widget.Spinner.onMeasure(Spinner.java:622) at androidx.appcompat.widget.AppCompatSpinner.onMeasure(AppCompatSpinner.java:444) at android.view.View.measure(View.java:29007) at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1226) at android.widget.LinearLayout.onMeasure(LinearLayout.java:728) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1613) at android.widget.LinearLayout.measureVertical(LinearLayout.java:883) at android.widget.LinearLayout.onMeasure(LinearLayout.java:726) at android.view.View.measure(View.java:29007) at android.widget.ScrollView.measureChildWithMargins(ScrollView.java:1641) at android.widget.FrameLayout.onMeasure(FrameLayout.java:205) at android.widget.ScrollView.onMeasure(ScrollView.java:559) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at android.widget.FrameLayout.onMeasure(FrameLayout.java:205) at android.view.View.measure(View.java:29007) at androidx.constraintlayout.widget.ConstraintLayout$Measurer.measure(ConstraintLayout.java:811) at androidx.constraintlayout.core.widgets.analyzer.BasicMeasure.measure(BasicMeasure.java:466) at androidx.constraintlayout.core.widgets.analyzer.BasicMeasure.measureChildren(BasicMeasure.java:134) at androidx.constraintlayout.core.widgets.analyzer.BasicMeasure.solverMeasure(BasicMeasure.java:278) at androidx.constraintlayout.core.widgets.ConstraintWidgetContainer.measure(ConstraintWidgetContainer.java:120) at androidx.constraintlayout.widget.ConstraintLayout.resolveSystem(ConstraintLayout.java:1594) at androidx.constraintlayout.widget.ConstraintLayout.onMeasure(ConstraintLayout.java:1708) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at androidx.coordinatorlayout.widget.CoordinatorLayout.onMeasureChild(CoordinatorLayout.java:760) at com.google.android.material.appbar.HeaderScrollingViewBehavior.onMeasureChild(HeaderScrollingViewBehavior.java:100) at com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior.onMeasureChild(AppBarLayout.java:2381) at androidx.coordinatorlayout.widget.CoordinatorLayout.onMeasure(CoordinatorLayout.java:831) at android.view.View.measure(View.java:29007) at androidx.drawerlayout.widget.DrawerLayout.onMeasure(DrawerLayout.java:1156) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at android.widget.FrameLayout.onMeasure(FrameLayout.java:205) at androidx.appcompat.widget.ContentFrameLayout.onMeasure(ContentFrameLayout.java:145) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1613) at android.widget.LinearLayout.measureVertical(LinearLayout.java:883) at android.widget.LinearLayout.onMeasure(LinearLayout.java:726) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at android.widget.FrameLayout.onMeasure(FrameLayout.java:205) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1613) 2025-06-11 09:10:16.360 20791-20791 AndroidRuntime com.example.kucun2 E at android.widget.LinearLayout.measureVertical(LinearLayout.java:883) at android.widget.LinearLayout.onMeasure(LinearLayout.java:726) at android.view.View.measure(View.java:29007) at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:7132) at com.android.internal.policy.DecorView.measureChildWithMargins(DecorView.java:3010) at android.widget.FrameLayout.onMeasure(FrameLayout.java:205) at com.android.internal.policy.DecorView.onMeasure(DecorView.java:911) at android.view.View.measure(View.java:29007) at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:5801) at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:3999) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:4393) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:3667) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:12113) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:2459) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:2468) at android.view.Choreographer.doCallbacks(Choreographer.java:1693) at android.view.Choreographer.doFrame(Choreographer.java:1448) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:2284) at android.os.Handler.handleCallback(Handler.java:1014) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loopOnce(Looper.java:250) at android.os.Looper.loop(Looper.java:340) at android.app.ActivityThread.main(ActivityThread.java:9913) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:621) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:957)
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06-12
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