android.view.WindowManager$BadTokenException:异常分析 和解决方案

本文分享了解决Android应用中PopWindow显示时遇到的窗口管理器异常问题的方法,包括等待View加载完成后再展示PopWindow的两种解决方案。

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这几天再作项目的时候遇到一个问题popwindows和activity 转换时候 的显示问题,异常    “android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running?”  这个错误最开始也不知道   各种百度  现在问题解决了与大家分享。

popwindow显示的时候要依附于一个View,当View还没完全create好的时候,就会报android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running异常  。因此解决方案由两个

方案1:这是我看人家博客写的,一试居然可以,再次真心感谢那位大兄弟。废话不多说了,其实就是为pw.showAtLocation(rl, Gravity.CENTER, 0, 0); 这条加一个hander   停留0.5s钟等待  view加载完毕,然后再执行showAtLocation这句话。经本人测试 可以。

方案2:既然是因为view没加载好,我自己想的方法就是 在activity加载完毕后执行onWindowFocusChanged方法的时候,我们可以将pw.showAtLocation(rl, Gravity.CENTER, 0, 0)放在windFouceChange中,这样就可以避免错误了。

``` FATAL EXCEPTION: main Process: com.oem.qisda, PID: 6430 java.lang.RuntimeException: Unable to create service com.oem.qisda.CpuInfoService: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRootImpl$W@9519714 -- permission denied for window type 2038 at android.app.ActivityThread.handleCreateService(ActivityThread.java:4568) at android.app.ActivityThread.access$1700(ActivityThread.java:257) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2111) at android.os.Handler.dispatchMessage(Handler.java:106) at android.os.Looper.loopOnce(Looper.java:201) at android.os.Looper.loop(Looper.java:288) at android.app.ActivityThread.main(ActivityThread.java:7911) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:681) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1009) Caused by: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRootImpl$W@9519714 -- permission denied for window type 2038 at android.view.ViewRootImpl.setView(ViewRootImpl.java:1215) at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:400) at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:139) at com.oem.qisda.CpuInfoService.onCreate(CpuInfoService.java:105) at android.app.ActivityThread.handleCreateService(ActivityThread.java:4555) at android.app.ActivityThread.access$1700(ActivityThread.java:257)  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2111)  at android.os.Handler.dispatchMessage(Handler.java:106)  at android.os.Looper.loopOnce(Looper.java:201)  at android.os.Looper.loop(Looper.java:288)  at android.app.ActivityThread.main(ActivityThread.java:7911)  at java.lang.reflect.Method.invoke(Native Method)  at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:681)  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1009)```怎么解决
03-08
01-01 00:16:20.586 20968 20968 E AndroidRuntime: FATAL EXCEPTION: main 01-01 00:16:20.586 20968 20968 E AndroidRuntime: Process: com.adayo.service.atsmode, PID: 20968 01-01 00:16:20.586 20968 20968 E AndroidRuntime: android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running? 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.view.ViewRootImpl.setView(ViewRootImpl.java:1071) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:409) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:109) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.app.Dialog.show(Dialog.java:340) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.app.AlertDialog$Builder.show(AlertDialog.java:1131) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.widget.VideoView$5.onError(VideoView.java:615) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:3446) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:106) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.os.Looper.loop(Looper.java:223) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:7687) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592) 01-01 00:16:20.586 20968 20968 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947) 01-01 00:16:21.454 20968 20968 I Process : Sending signal. PID: 20968 SIG: 9
最新发布
08-06
08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: FATAL EXCEPTION: main 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: Process: com.android.provision, PID: 2483 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running? 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.view.ViewRootImpl.setView(ViewRootImpl.java:2101) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:546) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:402) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:177) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.app.Dialog.show(Dialog.java:366) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.app.AlertDialog$Builder.show(AlertDialog.java:1131) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.widget.VideoView$5.onError(VideoView.java:615) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.media.MediaPlayer$EventHandler.handleMessage(MediaPlayer.java:3640) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.os.Handler.dispatchMessage(Handler.java:107) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.os.Looper.loopOnce(Looper.java:249) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.os.Looper.loop(Looper.java:337) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at android.app.ActivityThread.main(ActivityThread.java:9562) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at java.lang.reflect.Method.invoke(Native Method) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:648) 08-04 10:45:35.399 1000 2483 2483 E AndroidRuntime: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1005) 08-04 10:45:35.402 1000 2483 2483 D OOMEventManagerFK: checkEventAndDumpForJE: 0
08-05
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