0x01、报错堆栈
2022-06-08 11:56:26.187 19630-19630/xxxx E/AndroidRuntime: FATAL EXCEPTION: main
Process: xxxx, PID: 19630
java.lang.RuntimeException: Unable to start activity ComponentInfo{xxxx/xxxx.MainActivity}: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRootImpl$W@8b2e0d -- permission denied for window type 2003
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3270)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
Caused by: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRootImpl$W@8b2e0d -- permission denied for window type 2003
at android.view.ViewRootImpl.setView(ViewRootImpl.java:955)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:387)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:95)
at xxxx.floatwindow.AbsFloatWindow.showWindow(AbsFloatWindow.java:95)
at xxxx.floatwindow.FloatWindowMgr.showMenu(FloatWindowMgr.java:104)
at xxxx.MainActivity.onCreate(MainActivity.java:112)
at android.app.Activity.performCreate(Activity.java:7825)
at android.app.Activity.performCreate(Activity.java:7814)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1306)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3245)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3409)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:83)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:135)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:95)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2016)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
- 主要报错代码:
Caused by: android.view.WindowManager$BadTokenException: Unable to add window android.view.ViewRootImpl$W@8b2e0d -- permission denied for window type 2003
0x02、原因分析
这里需要区分安卓8版本前、后,对应的悬浮窗使用方式不一样,具体解决方案,往下看
0x03、解决方案
/*
解决方法
系统提示window弹窗方式:
api=26+ -> WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
others -> WindowManager.LayoutParams.TYPE_PHONE;
WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;
*/
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O){
mLayoutParams.type = WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
} else {
mLayoutParams.type = WindowManager.LayoutParams.TYPE_SYSTEM_ALERT;// 系统提示window
}
0x04、后记
谷歌真是个好东西
参考文献:
https://stackoverflow.com/questions/32224452/android-unable-to-add-window-permission-denied-for-this-window-type