java.lang.IndexOutOfBoundsException bei startActivity

package com.example.test;


import android.os.Bundle;
import android.app.Activity;
import android.content.Intent;
import android.view.View;
import android.widget.Button;


public class start_activity extends Activity {


	private Intent i;


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


		i = new Intent(this, zweite_activity.class);


		final Button button2 = (Button) findViewById(R.id.button1);
		button2.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				startActivity(i);
			}
		});
	}
}

<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"
	tools:context=".start_activity" >


	<Button
    	android:id="@+id/button1"
    	android:layout_width="wrap_content"
    	android:layout_height="wrap_content"
    	android:onClick="onClick"
    	android:text="Button" />


</RelativeLayout>

package com.example.test;




import android.os.Bundle;
import android.app.Activity;


public class zweite_activity extends Activity {


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

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_width="fill_parent"
	android:layout_height="fill_parent"
	android:orientation="vertical" >


	<EditText
    	android:id="@+id/editText1"
    	android:layout_width="match_parent"
    	android:layout_height="wrap_content" >


    	<requestFocus />
	</EditText>


</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.example.test"
	android:versionCode="1"
	android:versionName="1.0" >


	<uses-sdk
    	android:minSdkVersion="8"
    	android:targetSdkVersion="16" />


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


	<application
    	android:allowBackup="true"
    	android:icon="@drawable/ic_launcher"
    	android:label="@string/app_name"
    	android:theme="@style/AppTheme" >
    	<activity
        	android:name="com.example.test.start_activity"
        	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.test.zweite_activity"
        	android:label="@string/app_name" >
    	</activity>
	</application>


</manifest>