需要建立webview用的layout

<?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"
/>




在AndroidManifest.xml里加入activity
<activity
android:name="com.example.helloworld.DisplayMessageActivityWebView"
android:label="@string/title_activity_display_message_webview"
android:parentActivityName="com.example.myfirstapp.MainActivity" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.example.myfirstapp.MainActivity" />
</activity>








及Androidmanifest.xml設定允許連上網路

 

<uses-permission android:name="android.permission.INTERNET" />




JAVA 之程式如下
package com.example.helloworld;

 

import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.view.MenuItem;
import android.webkit.WebView;
import android.webkit.WebViewClient;

 

public class DisplayMessageActivityWebView extends Activity {

 

@SuppressLint("NewApi")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_display_message_webview);
Intent intent = getIntent();
String message = intent.getStringExtra(MainActivity.EXTRA_MESSAGE);

 

WebView myWebView = (WebView) findViewById(R.id.webview);
myWebView.getSettings().setJavaScriptEnabled(true);
myWebView.requestFocus();
myWebView.setWebViewClient(new MyWebViewClient());
myWebView.loadUrl("HTTP://goo.gl/"+message);

 

}

 

/**
* Set up the {@link android.app.ActionBar}, if the API is available.
*/
@TargetApi(Build.VERSION_CODES.HONEYCOMB)
private void setupActionBar() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
getActionBar().setDisplayHomeAsUpEnabled(true);
}
}

 

@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
}
return super.onOptionsItemSelected(item);
}

 

private class MyWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
return super.shouldOverrideUrlLoading(view, url);
}
}

 

}





要內嵌,而不另開browser,要setWebViewClient(new MyWebViewClient())

 

要自訂WebViewClient,並且處理urlloading,




若要允許可以使用javascript

 

要將

 

myWebView.getSettings().setJavaScriptEnabled(true);
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