android webview ZoomButtonsController 导致android.view.WindowLeaked 问题彻底解决

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

package com.xuecheyi.activity;

import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.xuecheyi.BaseActivity;
import com.xuecheyi.mb.R;
import com.xuecheyi.utils.Constant;
import com.xuecheyi.views.TitleManager;

import org.json.JSONObject;

/**
* 创建者     涂文远
* 创建时间   2016/10/26 14:43
* 描述	      ${TODO}
* <p/>
* 更新者     $Author$
* 更新时间   $Date$
* 更新描述   ${TODO}
*/
public class LoadHtmlActivity extends BaseActivity {

private WebView mWv;
private String webUrl ="<span style="font-family: Arial, Helvetica, sans-serif;">http://mb.xuecheyi.com/app/xc_news.html?newsId=15617</span>";

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_load_html);
findViews();
init();
setListener();
}

@Override
public void onRecvData(String type, JSONObject response) {

}

@Override
public void findViews() {
mWv = (WebView) findViewById(R.id.wv_content);
}

int newsId = 0;
@Override
public void init() {
String title = getIntent().getStringExtra("title");
int flag = getIntent().getIntExtra("flag",0);
TitleManager.showTitle(this, title, R.drawable.nav_backarrow, "返回", null, 0,
null, null);
dialog.show();//加载中对话框显示
mWv.setWebViewClient(new WebViewClient(){
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
view.loadUrl(webUrl);
return true;
}
});

mWv.setWebChromeClient(new MyWebChromeClient());
WebSettings settings = mWv.getSettings();
settings.setJavaScriptEnabled(true);
settings.setLoadsImagesAutomatically(true); //支持自动加载图片
settings.setJavaScriptCanOpenWindowsAutomatically(true);
settings.setUseWideViewPort(true);//设置此属性，可任意比例缩放
settings.setLoadWithOverviewMode(true);
settings.setBuiltInZoomControls(true);
settings.setSupportZoom(true);
mWv.loadUrl(webUrl);
}

private class MyWebChromeClient extends WebChromeClient {
@Override
public void onProgressChanged(WebView view, int newProgress) {

if (newProgress == 100) {//进度100代表webview加载完成
dialog.dismiss();
}
super.onProgressChanged(view, newProgress);
}
}

@Override
public void setListener() {

}

@Override
public void onClick(View v) {

}

public boolean onKeyDown(int keyCode, KeyEvent event) {
if ((keyCode == KeyEvent.KEYCODE_BACK) && mWv.canGoBack()) {
mWv.goBack();
return true;
}
return super.onKeyDown(keyCode, event);
}

@Override
protected void onDestroy() {
super.onDestroy();
mWv.destroy();
mWv = null;
}

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