Android WebView的使用

核心提示：import android.app.AlertDialog.Builder;import android.content.DialogInterface;import android.os.Bundle;import android.view.KeyEvent;import android.view.LayoutIn

import android.app.AlertDialog.Builder;

import android.content.DialogInterface;

import android.os.Bundle;

import android.view.KeyEvent;

import android.view.LayoutInflater;

import android.view.View;

import android.view.Window;

import android.webkit.JsPromptResult;

import android.webkit.JsResult;

import android.webkit.URLUtil;

import android.webkit.WebChromeClient;

import android.webkit.WebSettings;

import android.webkit.WebView;

import android.webkit.WebViewClient;

import android.widget.Button;

import android.widget.EditText;

import android.widget.TextView;

public class Test extends Activity {

/** Called when the activity is first created. */

private EditText et = null;

private Button btn = null;

private WebView wv = null;

private WebSettings ws = null;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

et = (EditText) this.findViewById(R.id.EditText01);

btn = (Button) this.findViewById(R.id.Button01);

wv = (WebView) this.findViewById(R.id.WebView);

ws = wv.getSettings();

ws.setAllowFileAccess(true);//设置允许访问文件数据

ws.setJavaScriptEnabled(true);//设置支持javascript脚本

ws.setBuiltInZoomControls(true);//设置支持缩放

wv.setWebViewClient(new WebViewClient(){

public boolean shouldOverrideUrlLoading(WebView view,String url){

//当有新连接时，使用当前的 WebView

view.loadUrl(url);

return true;

}

});

wv.setWebChromeClient(new WebChromeClient(){

public boolean onJsAlert(WebView view,String url,String message,final