I am not able to import able to import my class from one packege to another package : 
I am having two different package.
here is the first package 
and name of the package is
package com.restro.dextrocustomer;...
 and class name is..
public class FirstPageActivity extends AppCompatActivity 

Now my second package name is
package com.restro.dextrocustomer.Nav_Drawer;
and the name of second class is
public class MainActivity extends ActionBarActivity implements LocationListener, FragmentDrawer.FragmentDrawerListener, SearchView.OnQueryTextListener, GoogleApiClient.ConnectionCallbacks, GoogleApiClient.OnConnectionFailedListener




Now I want to import my first package into another package but i cant able to do it 