Disable android 'BottomNavigationView' shift mode.

BottomNavigationViewHelper.java

import android.support.design.internal.BottomNavigationItemView;
import android.support.design.internal.BottomNavigationMenuView;
import android.support.design.widget.BottomNavigationView;
import android.util.Log;

import java.lang.reflect.Field;

/**
 * Helper class to get rid  of "Shift Mode" from  BottomNavigationView
 */

public class BottomNavigationViewHelper {

    public static void disableShiftMode(BottomNavigationView view) {

        BottomNavigationMenuView menuView = (BottomNavigationMenuView) view.getChildAt(0);
        try {
            Field shiftingMode = menuView.getClass().getDeclaredField("mShiftingMode");
            shiftingMode.setAccessible(true);
            shiftingMode.setBoolean(menuView, false);
            shiftingMode.setAccessible(false);
            for (int i = 0; i < menuView.getChildCount(); i++) {
                BottomNavigationItemView item = (BottomNavigationItemView) menuView.getChildAt(i);
                //noinspection RestrictedApi
                item.setShiftingMode(false);
                // set once again checked value, so view will be updated
                //noinspection RestrictedApi
                item.setChecked(item.getItemData().isChecked());
            }
        } catch (NoSuchFieldException e) {
            Log.e("BNVHelper", "Unable to get shift mode field", e);
        } catch (IllegalAccessException e) {
            Log.e("BNVHelper", "Unable to change value of shift mode", e);
        }
    }
}

Hai, i'm getting error, null pointer exception on, BottomNavigationMenuView menuView = (BottomNavigationMenuView) view.getChildAt(0);
and BottomNavigationViewHelper.disableShiftMode(bottomNavigationView2);
Help me.

Hai, i'm getting error, null pointer exception on, BottomNavigationMenuView menuView = (BottomNavigationMenuView) view.getChildAt(0);
and BottomNavigationViewHelper.disableShiftMode(bottomNavigationView2);
Help me.

used bottom nav id properly

@surajsahani

Hai, i'm getting error, null pointer exception on, BottomNavigationMenuView menuView = (BottomNavigationMenuView) view.getChildAt(0);
and BottomNavigationViewHelper.disableShiftMode(bottomNavigationView2);
Help me.

used bottom nav id properly

Sure will check this.

Could you please show me your snippet?

Thanks!