Github user filmaj commented on the issue:
https://github.com/apache/cordova-plugin-splashscreen/pull/130
OK, I've been able to reproduce the behaviour - sort of. In my case, it
wasn't that the my app showed the splashscreen, but that the app crashed while
exiting!
My test app was a fresh cordova project with cordova-android 6.2.3 and
cordova-plugin-splashscreen 4.0.3 added. I added nothing to the default cordova
app code other than attaching `splashscreen.show()` to the `beforeunload`
method, as per your above comment.
Here's my stack trace:
```
07-26 12:59:40.652 9214 9214 D CordovaActivity: Stopped the activity.
07-26 12:59:40.652 9214 9214 D CordovaActivity:
CordovaActivity.onDestroy()
07-26 12:59:40.653 9214 9214 D CordovaWebViewImpl: >>>
loadUrl(about:blank)
07-26 12:59:40.663 9214 9214 W cr_AwContents: WebView.destroy() called
while WebView is still attached to window.
07-26 12:59:40.726 1162 5658 W WindowManager: Attempted to add
application window with unknown token Token{760cced ActivityRecord{f0b0f04 u0
io.cordova.hellocordova/.MainActivity t129 f}}. Aborting.
07-26 12:59:40.727 9214 9214 D AndroidRuntime: Shutting down VM
--------- beginning of crash
07-26 12:59:40.728 9214 9214 E AndroidRuntime: FATAL EXCEPTION: main
07-26 12:59:40.728 9214 9214 E AndroidRuntime: Process:
io.cordova.hellocordova, PID: 9214
07-26 12:59:40.728 9214 9214 E AndroidRuntime:
android.view.WindowManager$BadTokenException: Unable to add window -- token
android.os.BinderProxy@1012df7 is not valid; is your activity running?
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.view.ViewRootImpl.setView(ViewRootImpl.java:679)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:342)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.view.WindowManagerImpl.addView(WindowManagerImpl.java:93)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.app.Dialog.show(Dialog.java:329)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
org.apache.cordova.splashscreen.SplashScreen$5.run(SplashScreen.java:318)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.app.Activity.runOnUiThread(Activity.java:5869)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
org.apache.cordova.splashscreen.SplashScreen.showSplashScreen(SplashScreen.java:281)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
org.apache.cordova.splashscreen.SplashScreen.onMessage(SplashScreen.java:189)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
org.apache.cordova.PluginManager.postMessage(PluginManager.java:312)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
org.apache.cordova.CordovaWebViewImpl.postMessage(CordovaWebViewImpl.java:377)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
org.apache.cordova.splashscreen.SplashScreen$3.run(SplashScreen.java:169)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.os.Handler.handleCallback(Handler.java:751)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.os.Handler.dispatchMessage(Handler.java:95)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.os.Looper.loop(Looper.java:154)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
android.app.ActivityThread.main(ActivityThread.java:6121)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
java.lang.reflect.Method.invoke(Native Method)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:889)
07-26 12:59:40.728 9214 9214 E AndroidRuntime: at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:779)
```
This was on a Google Pixel running Android 7.1.2.
Next up I'll test out your patch and see how the behaviour differs.
FYI @infil00p.
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