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   源码介绍

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可访问 ajax请求，禁止新窗口打开，支持localstorage,支持缩放，支持javascript脚本

package com.example.testwebview;

import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.EditText;
import android.os.Build;

public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        if (savedInstanceState == null) {
            getSupportFragmentManager().beginTransaction()
                    .add(R.id.container, new PlaceholderFragment())
                    .commit();
        }
        
       
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    /**
     * A placeholder fragment containing a simple view.
     */
    public static class PlaceholderFragment extends Fragment {


    	EditText etUrl=null;
    	Button btnGoUrl=null;
    	WebView webView1=null;
    	
        public PlaceholderFragment() {
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.fragment_main, container, false);
            
            
            
            etUrl= (EditText)rootView.findViewById(R.id.etUrl);
            btnGoUrl=(Button)rootView.findViewById(R.id.btnGoUrl);
            webView1=(WebView)rootView.findViewById(R.id.webView1);
            //支持js  
            webView1.getSettings().setJavaScriptEnabled(true);  
            
            webView1.getSettings().setJavaScriptEnabled(true);
            webView1.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
            webView1.getSettings().setAllowFileAccess(true);// 设置允许访问文件数据
            webView1.getSettings().setSupportZoom(true);
            webView1.getSettings().setBuiltInZoomControls(true);
            webView1.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
            webView1.getSettings().setCacheMode(webView1.getSettings().LOAD_CACHE_ELSE_NETWORK);
            webView1.getSettings().setDomStorageEnabled(true);
            webView1.getSettings().setDatabaseEnabled(true);
            
            webView1.setWebViewClient(new WebViewClient() {  
                //点击网页中按钮时，在原页面打开  
                public boolean shouldOverrideUrlLoading(WebView view, String url) {  
                    view.loadUrl(url);  
                    return true;  
                }  
                //页面加载完成后执行  
                @Override  
                public void onPageFinished(WebView view, String url) {  
                    super.onPageFinished(view, url);  
                    
                }  
                  
            }); 
            
            
//            etUrl.setText("http://123.57.47.172:8099/index.php/test/sseindex");
            btnGoUrl.setOnClickListener(new View.OnClickListener() {
    			
    			@Override
    			public void onClick(View v) {
    				// TODO Auto-generated method stub
    				String url=etUrl.getText().toString();
    				webView1.loadUrl(url);
    			}
    		});
            
            return rootView;
        }
    }

}