import org.altusmetrum.altoslib_13.*;
import android.location.Location;
import android.app.Activity;
-import android.graphics.Color;
-import android.os.Bundle;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentTransaction;
-import android.support.v4.app.FragmentManager;
-import android.location.Location;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentTransaction;
import android.widget.TextView;
public abstract class AltosDroidTab extends Fragment implements AltosUnitsListener {