Hello!

I have problem with extends TabActivity.

My code is:
import android.widget.TabHost;
import android.content.Intent;
import android.app.TabActivity;
import android.app.Activity;
import android.os.Bundle;

public class MyProgram extends TabActivity {

    /** Called when the activity is first created. */
        TabHost mTabHost;
    @Override
    public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);


    }
}

When I run this simple program it return "The application ... has
stopped" and LogCat
Error java.lang.NullPointerException....

when I change TabActivity to Activity everything is ok.
What is wrong?

Best regards

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