androidwebview ZoomButtonsController导致android.view.WindowLeaked问题解决

Activityhas leaked window android.widget.ZoomButtonsController that wasoriginally added hereandroid.view.WindowLeaked:
引起这个错误的原因是：
发现是webview的ZoomButton，也就是那两个放大和缩小的按钮，导致的。如果设置为让他们出现，并且可以自动隐藏，那么，由于他们的自动隐藏是一个渐变的过程，所以在逐渐消失的过程中如果调用了父容器的destroy方法，就会导致Leaked。
所以解决方案是，在destroy之前，先让他俩立马消失。
解决方案：

方案一：在onDestroy方法中将整个WebView隐藏

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protected void onDestroy() {super.onDestroy();mWeb.setVisibility(View.GONE); //将整个WebView隐藏}

方案二：在finish或者onDestory中将所以View移除

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public void finish() { ViewGroup view = (ViewGroup) getWindow().getDecorView(); view.removeAllViews(); super.finish(); }

详细报错日志：

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E/WindowManager﹕ android.view.WindowLeaked: Activity WebActivity has leaked window android.widget.ZoomButtonsController$Container{24ca0f69 V.E..... ......I. 0,0-1080,146} that was originally added hereat android.view.ViewRootImpl.(ViewRootImpl.at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.at android.view.WindowManagerImpl.addView(WindowManagerImpl.at android.widget.ZoomButtonsController.setVisible(ZoomButtonsController.at com.android.org.chromium.android_webview.AwZoomControls.invokeZoomPicker(AwZoomControls.at com.android.org.chromium.content.browser.ContentViewCore.onScrollBeginEventAck(ContentViewCore.at com.android.org.chromium.base.SystemMessageHandler.nativeDoRunLoopOnce(Native Method)at com.android.org.chromium.base.SystemMessageHandler.handleMessage(SystemMessageHandler.at android.os.Handler.dispatchMessage(Handler.at android.os.Looper.loop(Looper.at android.app.ActivityThread.main(ActivityThread.at at at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.at com.android.internal.os.ZygoteInit.main(ZygoteInit.

以上是在个人对webView窗口溢出分析问题分析：