<?xml version="1.0" encoding="utf-8"?>
<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/drawer"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="net.rhyboo.com.drawer_test.MainActivity">

<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
    android:orientation="vertical">
</LinearLayout>

<net.rhyboo.com.drawer_test.PuzzlePagerView
    android:layout_gravity="start"
    android:layout_height="match_parent"
    android:layout_width="240dp"
    android:background="@android:color/white"
    android:id="@+id/pager">
</net.rhyboo.com.drawer_test.PuzzlePagerView>

public class MainActivity extends AppCompatActivity {

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    DrawerLayout drawer=(DrawerLayout) findViewById(R.id.drawer);
    drawer.setScrimColor(getResources().getColor(R.color.gameMenuDim));
    PuzzlePagerView pager=(PuzzlePagerView)findViewById(R.id.pager);
    GameMenuPagerAdapter menuAdapter=new GameMenuPagerAdapter(getSupportFragmentManager());
    pager.setAdapter(menuAdapter);
}
}

public class GameMenuPagerAdapter extends FragmentPagerAdapter {
private GameMenuFragment gameMenu;
public GameMenuPagerAdapter(FragmentManager fm) {
    super(fm);
    gameMenu=new GameMenuFragment();
}
@Override
public Fragment getItem(int position) {
    Log.d("pager",position+"");
    switch (position) {
        case 0:
            return gameMenu;
    }
    return null;
}

@Override
public int getCount() {
    return 1;
}
}