这一篇没什么要说的,只要看看上一篇HelloGoogleMaps的建立就差不多,唯一需要说的,就是就是下面这一节有点不清楚:
7.In the HelloAndroid
Activity, add this nested class:
private class HelloWebViewClient extends WebViewClient { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } }
把HelloAndroid换成HelloGoogleMaps就好理解了,不清楚google为什么说是HelloAndroid,我真还差点当成是第一个练习项目了。呵呵。。。
下面贴代码:
main.xml
<?xml version="1.0" encoding="utf-8"?> <WebView xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/webview" android:layout_width="fill_parent" android:layout_height="fill_parent" />
package com.example.HelloWebView; import android.app.Activity; import android.os.Bundle; import android.view.KeyEvent; import android.webkit.WebView; import android.webkit.WebViewClient; public class HelloWebView extends Activity { WebView mWebView; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mWebView = (WebView) findViewById(R.id.webview); mWebView.getSettings().setJavaScriptEnabled(true); mWebView.loadUrl("http://www.google.com"); mWebView.setWebViewClient(new HelloWebViewClient()); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if ((keyCode == KeyEvent.KEYCODE_BACK) && mWebView.canGoBack()) { mWebView.goBack(); return true; } return super.onKeyDown(keyCode, event); } private class HelloWebViewClient extends WebViewClient { @Override public boolean shouldOverrideUrlLoading(WebView view, String url) { view.loadUrl(url); return true; } } }AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.HelloWebView" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="15" /> <uses-permission android:name="android.permission.INTERNET" /> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <activity android:name=".HelloWebView" android:label="@string/app_name" android:theme="@android:style/Theme.NoTitleBar"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>