基本信息
源码名称:android webview浏览器 入门级示例源码
源码大小:3.59M
文件格式:.rar
开发语言:Java
更新时间:2017-11-29
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   源码介绍


package com.example.webtest;

import java.net.URL;

import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Button;
import android.widget.EditText;

public class MainActivity extends Activity {
WebView explorer;
Button goback,goforward,reload,go;
EditText hh;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        explorer=(WebView) findViewById(R.id.explorer);
        //设置js
        WebSettings settings=explorer.getSettings();
        settings.setJavaScriptEnabled(true);
        //设置那只客户端对象
        WebViewClient client=new WebViewClient();
        explorer.setWebViewClient(client);
        //设置装在网页的URL
        
        explorer.loadUrl("http://www.baidu.com");

        goback=(Button)findViewById(R.id.goback);
        goback.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				if(explorer.canGoBack()){
					explorer.goBack();
				}else{
					finish();
				}
			}
		});
        goforward=(Button)findViewById(R.id.goforward);
        goforward.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				if(explorer.canGoForward()){
					explorer.goForward();
				}
			}
		});
        reload=(Button)findViewById(R.id.reload);
        reload.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				explorer.reload();
			}
		});
        hh=(EditText)findViewById(R.id.hh);
        go=(Button)findViewById(R.id.go);
        go.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View arg0) {
				String url="http://" hh.getText().toString();
				explorer.loadUrl(url);
			}
		});
    }


    @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;
    }
    
    public boolean onKeyDown(int keyCode, KeyEvent event)  {
        if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
        	String url="http://" hh.getText().toString();
			explorer.loadUrl(url);
            return true;
        }

        return super.onKeyDown(keyCode, event);
    }
    
}