package com.iame.mybrowser; import android.app.Activity; import android.app.AlertDialog; import android.content.DialogInterface; import android.graphics.Bitmap; import android.os.Bundle; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.Window; import android.view.View.OnClickListener; import android.webkit.JsPromptResult; import android.webkit.JsResult; import android.webkit.URLUtil; import android.webkit.WebChromeClient; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.Button; import android.widget.EditText; import android.widget.TextView; public class MyBrowser extends Activity { private static final String DEBUG_TAG ="MyBrowser"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //用title bar做进度条 getWindow().requestFeature(Window.FEATURE_PROGRESS); setContentView(R.layout.main); //获取WebView final WebView webView=(WebView)findViewById(R.id.browser); //获取URL,也就是http://www.baidu.com这方面的地址 final EditText text=(EditText)findViewById(R.id.url); //确定按钮 Button go=(Button)findViewById(R.id.go); //设置支持javaScript webView.getSettings().setJavaScriptEnabled(true); //WebViewClient负责帮助WebView处理各种通知、请求事件等。想相当于程序嵌套了一个浏览器.浏览器里面的按钮支持事件,就需要WebView。 webView.setWebViewClient(new WebViewClient(){ //页面加载完成时要做的事件 @Override public void onPageFinished(WebView view, String url) { super.onPageFinished(view, url); } //页面加载时要做的事件 @Override public void onPageStarted(WebView view, String url, Bitmap favicon) { text.setText(url); super.onPageStarted(view, url, favicon); } }); //WebChromeClient负责帮助WebView处理Javascript的对话框,网站图标,网站title,加载进度等。 webView.setWebChromeClient(new WebChromeClient(){ //1.弹出的对话框 @Override public boolean onJsAlert(WebView view, String url, String message,final JsResult result) { AlertDialog.Builder b2 = new AlertDialog.Builder(MyBrowser.this); b2.setTitle(R.string.tite1); b2.setMessage(message); b2.setPositiveButton(R.string.ok,new AlertDialog.OnClickListener() { public void onClick(DialogInterface dialog, int which) { //按确定后腰执行的代码,这句很重要 result.confirm(); //MyBrowser.this.finish(); } }); //设置对话框是否取消,默认是可以取消的。 //这种方式按还回键,齐作用 //b.setCancelable(true); //这种方式按还回键,不齐作用 b2.setCancelable(false); //创建对话框,才能显示 b2.create(); b2.show(); //如果还回的是flase将会多弹出窗口,不是我们想要的结果 return true; }; //2.对话框 @Override public boolean onJsConfirm(WebView view, String url, String message, final JsResult result) { AlertDialog.Builder b3 = new AlertDialog.Builder(MyBrowser.this); b3.setTitle(R.string.tite2); b3.setMessage(message); b3.setPositiveButton(R.string.ok, new AlertDialog.OnClickListener() { public void onClick(DialogInterface dialog, int which) { result.confirm(); } }); b3.setNegativeButton(R.string.no, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { //按取消做的事件 result.cancel(); } }); b3.setCancelable(false); b3.create(); b3.show(); return true; }; //3.输入对话框 @Override public boolean onJsPrompt(WebView view, String url, String message, String defaultValue, final JsPromptResult result) { //获得环境参数 final LayoutInflater factory = LayoutInflater.from(MyBrowser.this); //导入预先设置的输入设置 final View v = factory.inflate(R.layout.javascript_prompt_dialog, null); //获得输入框标题并设置输入框标题 ((TextView) v.findViewById(R.id.prompt_message_text)).setText(message); //获得输入框平设置默认值 ((EditText) v.findViewById(R.id.prompt_input_field)).setText(defaultValue); AlertDialog.Builder b4 = new AlertDialog.Builder(MyBrowser.this); b4.setTitle(R.string.tite3); b4.setView(v); b4.setPositiveButton(R.string.ok, new AlertDialog.OnClickListener() { public void onClick(DialogInterface dialog, int which) { String value = ((EditText) v.findViewById(R.id.prompt_input_field)).getText().toString(); result.confirm(value); } }); b4.setNegativeButton(R.string.no, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { result.cancel(); } }); b4.setOnCancelListener(new DialogInterface.OnCancelListener() { public void onCancel(DialogInterface dialog) { result.cancel(); } }); b4.show(); return true; }; //设置网页加载的进度条 @Override public void onProgressChanged(WebView view, int newProgress) { MyBrowser.this.getWindow().setFeatureInt(Window.FEATURE_PROGRESS, newProgress * 100); super.onProgressChanged(view, newProgress); } //设置应用程序的标题title @Override public void onReceivedTitle(WebView view, String title) { MyBrowser.this.setTitle(title); super.onReceivedTitle(view, title); } }); //确定搜索按钮 go.setOnClickListener(new OnClickListener(){ public void onClick(View v) { try { //取得编辑框中我们输入的内容 String url = text.getText().toString(); //判断输入的内容是不是网址 if ( URLUtil.isNetworkUrl(url) ) { //装载网址 webView.loadUrl(url); } else { text.setText("输入网址错误,请重新输入"); } } catch (Exception e) { Log.e(DEBUG_TAG, e.toString()); } } }); webView.loadUrl("file:///android_asset/index.html"); } //返回上一页 public boolean onKeyDown(int keyCode, KeyEvent event) { WebView mWebView=(WebView)findViewById(R.id.browser); if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack()) { mWebView.goBack(); return true; } return super.onKeyDown(keyCode, event); } }
intdex.html
<html xmlns="http://www.w3.org/1999/xhtml">
<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript">
function onAlert(){
alert("This is a alert sample");
}
function onCamera(){
//var personaldata = window.PersonalData.getPersonalData();
var b=confirm("are you sure go to Camera?");
//alert("your choice is "+b);
}
function onPrompt33(){
var b1=prompt("please input your password","yangguangfu");
alert("your input is "+b1);
}
</script>
<pre>
<input type="button" value="Yang_Alert" onclick="onAlert()"/>
<input type="button" id="Personaldata" value="打开相机" onclick="onCamera()"/>
<input type="button" value="Yang_prompt" onclick="onPrompt33()"/>
<a href="http://www.google.com" />Google</a>
</pre>
</html>
<html>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript">
function onAlert(){
alert("This is a alert sample");
}
function onCamera(){
//var personaldata = window.PersonalData.getPersonalData();
var b=confirm("are you sure go to Camera?");
//alert("your choice is "+b);
}
function onPrompt33(){
var b1=prompt("please input your password","yangguangfu");
alert("your input is "+b1);
}
</script>
<pre>
<input type="button" value="Yang_Alert" onclick="onAlert()"/>
<input type="button" id="Personaldata" value="打开相机" onclick="onCamera()"/>
<input type="button" value="Yang_prompt" onclick="onPrompt33()"/>
<a href="http://www.google.com" />Google</a>
</pre>
</html>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.iame.mybrowser" android:versionCode="1"
android:versionName="1.0.0">
<uses-permission android:name="android.permission.INTERNET" />
<application android:icon="@drawable/icon" android:label="MyBroswer">
<activity android:label="MyBrowser" android:name="MyBrowser">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="3" /><!-- 版本标识 -->
<uses-permission android:name="android.permission.INTERNET"/><!-- 访问网络权限 -->
<!-- 在SDCard中创建与删除文件权限 -->
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
<!-- 往SDCard写入数据权限 -->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<!-- 调用相机权限 -->
<uses-permission android:name="android.permission.CAMERA"/>
</manifest>
?<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.iame.mybrowser" android:versionCode="1"
android:versionName="1.0.0">
<uses-permission android:name="android.permission.INTERNET" />
<application android:icon="@drawable/icon" android:label="MyBroswer">
<activity android:label="MyBrowser" android:name="MyBrowser">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
<uses-sdk android:minSdkVersion="3" /><!-- 版本标识 -->
<uses-permission android:name="android.permission.INTERNET"/><!-- 访问网络权限 -->
<!-- 在SDCard中创建与删除文件权限 -->
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
<!-- 往SDCard写入数据权限 -->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<!-- 调用相机权限 -->
<uses-permission android:name="android.permission.CAMERA"/>
</manifest>
1 楼
xiuqi0844
2012-03-01
哥哥,你从其他地方抄之前,请先运行下!谢谢!