觸控縮放Touch Zooming WebView

設定Layout和程式權限android.permission.INTERNET

In main.xml
xml version="1.0" encoding="utf-8"?>
<LinearLayout
   xmlns:android="http://schemas.android.com/apk/res/android"
      android:orientation="vertical" android:layout_width="fill_parent"

      android:layout_height="fill_parent">

    <WebView
      android:id="@+id/MyIE"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent" />
</LinearLayout>
 
In AndroidManifest.xml
....
<uses-permission android:name="android.permission.INTERNET" />
...

呼叫WebView的getSettings()得到WebSettings物件來進行設定。

   WebView ie;
   @Override
   public void onCreate(Bundle savedInstanceState) 
   {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.main );
 
       // 取得 WebView物件 
       ie = (WebView) findViewById( R.id.MyIE);        
       // 取得 WebSettings物件 
       WebSettings webSettings = ie.getSettings();  
       // 支援JavaScript
       webSettings.setJavaScriptEnabled(true);             
       // 支援Zoom
       webSettings.setSupportZoom(true);                    
       webSettings.setBuiltInZoomControls(true);
   }