leaked window in HtmlViewerActivity

[anlalalu]

Reproduction Steps

1. go to settings interface
2. tap 'License'
3. scroll up the screen and the button to zoom the interface appears
4. press 'back'

Stack Trace

E/WindowManager: android.view.WindowLeaked: Activity com.github.wdkapps.fillup.HtmlViewerActivity has leaked window android.widget.ZoomButtonsController$Container{529dec98 V.E..... ......I. 0,0-768,97} that was originally added here
at android.view.ViewRootImpl.(ViewRootImpl.java:346)
at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:248)
at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
at android.widget.ZoomButtonsController.setVisible(ZoomButtonsController.java:371)
at com.android.org.chromium.android_webview.AwZoomControls.invokeZoomPicker(AwZoomControls.java:29)
at com.android.org.chromium.content.browser.ContentViewCore.invokeZoomPicker(ContentViewCore.java:2818)
at com.android.org.chromium.content.browser.ContentViewGestureHandler$1.onScroll(ContentViewGestureHandler.java:380)
at com.android.org.chromium.content.browser.third_party.GestureDetector.onTouchEvent(GestureDetector.java:588)
at com.android.org.chromium.content.browser.ContentViewGestureHandler.processTouchEvent(ContentViewGestureHandler.java:957)
at com.android.org.chromium.content.browser.ContentViewGestureHandler.onTouchEvent(ContentViewGestureHandler.java:789)
at com.android.org.chromium.content.browser.ContentViewCore.onTouchEvent(ContentViewCore.java:1336)
at com.android.org.chromium.android_webview.AwContents.onTouchEvent(AwContents.java:1519)
at com.android.webview.chromium.WebViewChromium.onTouchEvent(WebViewChromium.java:1819)
at android.webkit.WebView.onTouchEvent(WebView.java:2163)
at android.view.View.dispatchTouchEvent(View.java:7706)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2210)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1945)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1959)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1959)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1959)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:2216)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:1959)
at com.android.internal.policy.impl.PhoneWindow$DecorView.superDispatchTouchEvent(PhoneWindow.java:2068)
at com.android.internal.policy.impl.PhoneWindow.superDispatchTouchEvent(PhoneWindow.java:1515)
at android.app.Activity.dispatchTouchEvent(Activity.java:2458)
at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchTouchEvent(PhoneWindow.java:2016)
at android.view.View.dispatchPointerEvent(View.java:7886)
at android.view.ViewRootImpl$ViewPostImeInputStage.processPointerEvent(ViewRootImpl.java:3947)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3826)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3392)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3442)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3411)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3518)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3419)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3575)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3392)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3442)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3411)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3419)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3392)
at android.view.ViewRootImpl.deliverInputEvent(ViewRootImpl.java:5532)
at android.view.ViewRootImpl.doProcessInputEvents(ViewRootImpl.java:5512)
at android.view.ViewRootImpl.enqueueInputEvent(ViewRootImpl.java:5483)
at android.view.ViewRootImpl$WindowInputEventReceiver.onInputEvent(ViewRootImpl.java:5612)

Debug info

App Version = 1.7.2

Android Version = 4.4.4

maybe resolved like this: https://stackoverflow.com/questions/2850573/activity-has-leaked-window-that-was-originally-added