[카테고리메인][Common] 카테고리메인 스피너 변경시 app bar layout expand 구현중

app/src/main/java/kr/co/zumo/app/lifeplus/view/screen/category/type1/FirstCategoryMainFragment.java

@@ -3,6 +3,8 @@ package kr.co.zumo.app.lifeplus.view.screen.category.type1;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.design.widget.AppBarLayout;
+import android.support.design.widget.CoordinatorLayout;
 import android.support.v7.widget.GridLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.util.Log;
@@ -40,6 +42,7 @@ import kr.co.zumo.app.lifeplus.view.screen.category.IFirstCategoryMainView;
  */
 public class FirstCategoryMainFragment extends FragmentBase<FirstCategoryMainPresenter> implements IFirstCategoryMainView {
 
+  private AppBarLayout appBarLayout;
   private MainSeriesView mainSeriesView;
   private RecyclerView recyclerViewFirstCategoryMain;
   private View viewFilter;
@@ -55,6 +58,7 @@ public class FirstCategoryMainFragment extends FragmentBase<FirstCategoryMainPre
 
   @Override
   protected void onAfterActivityCreated(Bundle savedInstanceState) {
+    appBarLayout = findViewById(R.id.app_bar_layout);
     mainSeriesView = findViewById(R.id.series_image_text_view);
     recyclerViewFirstCategoryMain = findViewById(R.id.recycler_view_first_category_main);
     recyclerViewFirstCategoryMain.addItemDecoration(new GridItemDecoration(getActivity(), ResourceUtil.dpToPx(4)));
@@ -140,12 +144,25 @@ public class FirstCategoryMainFragment extends FragmentBase<FirstCategoryMainPre
       @Override
       public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
         presenter.onEvent(new Event.Builder(Event.ORDER).index(position).build());
+
       }
 
       @Override
       public void onNothingSelected(AdapterView<?> parent) {}
     });
 
+    // TODO: 스피너 변경후 appbarlayout expand되어야함 
+    spinnerOrder.setOnFocusChangeListener(new View.OnFocusChangeListener() {
+      @Override
+      public void onFocusChange(View view, boolean b) {
+        recyclerViewFirstCategoryMain.smoothScrollToPosition(0);
+        CoordinatorLayout.LayoutParams params = (CoordinatorLayout.LayoutParams) appBarLayout.getLayoutParams();
+        AppBarLayout.Behavior behavior = (AppBarLayout.Behavior) params.getBehavior();
+        behavior.setTopAndBottomOffset(0);
+        behavior.onNestedPreScroll((CoordinatorLayout) appBarLayout.getParent(), appBarLayout, null, 0, 1, new int[2],0);
+      }
+    });
+
   }
 
   @Override