Resolve Title TextView using findChildrenByClass

lib/android/app/src/main/java/com/reactnativenavigation/views/titlebar/TitleBar.java

 import android.app.Activity;
 import android.content.Context;
 import android.graphics.Typeface;
-import android.support.annotation.Nullable;
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
 import android.view.Gravity;
-import android.view.View;
-import android.view.ViewGroup;
 import android.widget.TextView;
 
 import com.reactnativenavigation.parse.Alignment;
 import com.reactnativenavigation.parse.params.Button;
 import com.reactnativenavigation.parse.params.Color;
+import com.reactnativenavigation.utils.ViewUtils;
 import com.reactnativenavigation.viewcontrollers.ReactViewCreator;
 import com.reactnativenavigation.viewcontrollers.TitleBarReactViewController;
 import com.reactnativenavigation.viewcontrollers.TopBarButtonController;
     }
 
     public TextView getTitleTextView() {
-        return findTextView(this);
+        List<TextView> children = ViewUtils.findChildrenByClass(this, TextView.class);
+        return children.isEmpty() ? null : children.get(0);
     }
 
     public void clear() {
         return new TopBarButtonController((Activity) getContext(), button, buttonCreator, onClickListener);
     }
 
-    @Nullable
-    private TextView findTextView(ViewGroup root) {
-        for (int i = 0; i < root.getChildCount(); i++) {
-            View view = root.getChildAt(i);
-            if (view instanceof ViewGroup) {
-                view = findTextView((ViewGroup) view);
-            }
-            if (view instanceof TextView) {
-                return (TextView) view;
-            }
-        }
-        return null;
-    }
-
     public Toolbar.LayoutParams getComponentLayoutParams(Alignment alignment) {
         LayoutParams lp = new LayoutParams(MATCH_PARENT, getHeight());
         if (alignment == Alignment.Center) {