Activitiyaufruf aus unterschiedlichen Packages

package BoSe.Hausarbeit.Home_package;


import BoSe.Hausarbeit.Module_package.Module_overview;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;




public class HomeActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.home);
    
    
    Button start_modulbtn=(Button)findViewById(R.id.modul);
    
    
    //Eventlistener zum Starten der Activity Modul
    start_modulbtn.setOnClickListener(new View.OnClickListener()
    {
        	public void onClick(View v) {
        		Intent myIntent = new Intent(HomeActivity.this, Module_overview.class);
            	 startActivity(myIntent);
        		}
     });
    }
}

<?xml version="1.0" encoding="utf-8"?>
















<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="BoSe.Hausarbeit.Home_package"
    android:versionCode="1"
    android:versionName="1.0" >




    <uses-sdk android:minSdkVersion="8" />




    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:label="@string/app_name"
            android:name=".HomeActivity" >
            <intent-filter >
                <action android:name="android.intent.action.MAIN" />




                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity android:name="BoSe.Hausarbeit.Module_package.Module_overview"></activity>
    </application>




</manifest>