Submenu erstellen

 <item     
        android:id="@+id/impressum"
        android:orderInCategory="100"
        android:showAsAction="never"
        android:title="Impressum"/>

android:id="@id/impressum"

@Override
public boolean onOptionsItemSelected(MenuItem item) {
* * // Handle item selection
* * switch (item.getItemId()) {
* * * * case R.id.new_game:
* * * * * * newGame();
* * * * * * return true;
* * * * case R.id.help:
* * * * * * showHelp();
* * * * * * return true;
* * * * default:
* * * * * * return super.onOptionsItemSelected(item);
* * }
}

@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// Handle action bar item clicks here. The action bar will
		// automatically handle clicks on the Home/Up button, so long
		// as you specify a parent activity in AndroidManifest.xml.
		int id = item.getItemId();
		if (id == R.id.action_settings) {
		   return true;
		}
		int id1 = item.getItemId();
		if (id1 == R.id.impressum) {
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

<TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text=@string/hello_world >

</RelativeLayout>

android:text="Impressum"

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.devname.appname.Impressum"
    /> 

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello_world" />

</RelativeLayout>

android:id="@id/impressum"

android:id="@+id/impressum"

package com.devname.appname;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.webkit.WebView;
import android.webkit.WebViewClient;
  
public class MainActivity extends Activity {
 
    private  WebView webview;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_appname_home);

        webview = (WebView)findViewById (R.id.webview);
        webview.getSettings().setJavaScriptEnabled(true);
        webview.loadUrl("http://URL.de/");
        
        webview.setWebViewClient(new WebViewClient() { 
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url){return false;}
    });
    }
    
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.appname_home, menu);
        return true;
    }
    
    
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        
    	// Handle action bar item clicks here. The action bar will
    	// automatically handle clicks  on the Home/Up button, so long
    	// as you specify a parent activity in AndroidManifest.xml.
    	int id = item.getItemId();
    	if (id == R.id.action_settings) {
    		return true;
    	}
        if (id == R.id.impressum) {
    	    return true;
        }
    	return super.onOptionsItemSelected(item);
    	}
    }