仿照微信6的内置WebView控件

package com.weidongjian.weigan.webviewdemo; import android.content.Context; import android.util.AttributeSet; import android.view.LayoutInflater; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.ProgressBar; import android.widget.Toast; /** * Created by Weigan on 2014/11/29. */ public class MyWebView extends WebView { private ProgressBar progressbar; private Context mContext; public MyWebView(Context context, AttributeSet attrs) { super(context, attrs); mContext = context; // progressbar = new ProgressBar(context, null, android.R.attr.progressBarStyleHorizontal); progressbar = (ProgressBar) LayoutInflater.from(context).inflate(R.layout.progressbar, null); progressbar.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, 6, 0, 0)); addView(progressbar); // setWebViewClient(new WebViewClient(){}); setWebChromeClient(new WebChromeClient()); setWebViewClient(new WebViewClient(){ @Override public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) { Toast.makeText(mContext, "Oh no! " + description, Toast.LENGTH_SHORT).show(); } }); this.getSettings().setBuiltInZoomControls(true); this.getSettings().setUseWideViewPort(true); } public class WebChromeClient extends android.webkit.WebChromeClient { @Override public void onProgressChanged(WebView view, int newProgress) { if (newProgress == 100) { progressbar.setVisibility(GONE); } else { if (progressbar.getVisibility() == GONE) progressbar.setVisibility(VISIBLE); progressbar.setProgress(newProgress); } super.onProgressChanged(view, newProgress); } } @Override protected void onScrollChanged(int l, int t, int oldl, int oldt) { LayoutParams lp = (LayoutParams) progressbar.getLayoutParams(); lp.x = l; lp.y = t; progressbar.setLayoutParams(lp); super.onScrollChanged(l, t, oldl, oldt); } }