public class MyActivity extends Activity {
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
}

public class WebViewActivity extends Activity {
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.webview);

        Uri data = getIntent().getData();
        WebView view = (WebView) findViewById(R.id.webview);
        view.getSettings().setJavaScriptEnabled(true);
        view.loadUrl(data.toString());
        view.setWebViewClient(new MyClient());
    }


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

AndroidManifest.xml:

<activity android:name="MyActivity"
          android:label="@string/app_name">
    <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.LAUNCHER"/>
    </intent-filter>
</activity>
<activity
        android:name="com.example.myapp.WebViewActivity"
        android:configChanges="orientation|keyboardHidden"
        android:screenOrientation="portrait" >
    <intent-filter>
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <data android:scheme="http"/>
    </intent-filter>
</activity>

webview.xml:

<LinearLayout xmlns:android="http://schemas.android/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical" >
    <WebView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/webview"/>
</LinearLayout>

public class MyActivity extends Activity {
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
    }
}

public class WebViewActivity extends Activity {
    /**
     * Called when the activity is first created.
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.webview);

        Uri data = getIntent().getData();
        WebView view = (WebView) findViewById(R.id.webview);
        view.getSettings().setJavaScriptEnabled(true);
        view.loadUrl(data.toString());
        view.setWebViewClient(new MyClient());
    }


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

AndroidManifest.xml:

<activity android:name="MyActivity"
          android:label="@string/app_name">
    <intent-filter>
        <action android:name="android.intent.action.MAIN"/>
        <category android:name="android.intent.category.LAUNCHER"/>
    </intent-filter>
</activity>
<activity
        android:name="com.example.myapp.WebViewActivity"
        android:configChanges="orientation|keyboardHidden"
        android:screenOrientation="portrait" >
    <intent-filter>
        <action android:name="android.intent.action.VIEW" />
        <category android:name="android.intent.category.DEFAULT" />
        <data android:scheme="http"/>
    </intent-filter>
</activity>

webview.xml:

<LinearLayout xmlns:android="http://schemas.android/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical" >
    <WebView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:id="@+id/webview"/>
</LinearLayout>