import net.sf.openrocket.R;\r
import net.sf.openrocket.android.ActivityHelpers;\r
import net.sf.openrocket.android.PreferencesActivity;\r
-import net.sf.openrocket.android.simulation.SimulationChart;\r
-import net.sf.openrocket.android.simulation.SimulationFragment;\r
-import net.sf.openrocket.android.simulation.SimulationViewActivity;\r
-import net.sf.openrocket.android.thrustcurve.TCQueryActivity;\r
import net.sf.openrocket.android.util.AndroidLogWrapper;\r
-import net.sf.openrocket.document.Simulation;\r
import android.content.Intent;\r
import android.os.Bundle;\r
-import android.support.v4.app.Fragment;\r
import android.support.v4.app.FragmentActivity;\r
import android.support.v4.app.FragmentTransaction;\r
import android.view.Menu;\r