| 
					
				 | 
			
			
				@@ -39,6 +39,7 @@ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             android:progressDrawable="@drawable/pg_stu" /> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				         <androidx.constraintlayout.widget.ConstraintLayout 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             android:id="@+id/header_bar_view" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            android:visibility="gone" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             android:layout_width="match_parent" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             android:layout_height="wrap_content" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             android:orientation="vertical"> 
			 |