|  |  | 
 |  |  |             app:layout_constraintBottom_toBottomOf="parent" | 
 |  |  |             app:layout_constraintStart_toStartOf="parent" | 
 |  |  |             app:layout_constraintEnd_toEndOf="parent" /> | 
 |  |  |  | 
 |  |  |         <ImageButton | 
 |  |  |             android:id="@+id/add_button" | 
 |  |  |             android:layout_width="wrap_content" | 
 |  |  |             android:layout_height="wrap_content" | 
 |  |  |             android:background="?attr/selectableItemBackgroundBorderless" | 
 |  |  |             android:padding="10dp" | 
 |  |  |             android:src="@android:drawable/ic_menu_add" | 
 |  |  |             app:layout_constraintEnd_toEndOf="parent" | 
 |  |  |             app:layout_constraintHorizontal_bias="1.0" | 
 |  |  |             app:layout_constraintStart_toStartOf="parent" | 
 |  |  |             tools:ignore="MissingConstraints" | 
 |  |  |             tools:layout_editor_absoluteY="0dp" /> | 
 |  |  |     </androidx.constraintlayout.widget.ConstraintLayout> | 
 |  |  |  | 
 |  |  |  | 
 |  |  | 
 |  |  |         android:id="@+id/edite_recyclerView" | 
 |  |  |         android:layout_width="0dp" | 
 |  |  |         android:layout_height="0dp" | 
 |  |  |         app:layout_constraintBottom_toTopOf="@+id/addButton" | 
 |  |  |         app:layout_constraintBottom_toTopOf="@id/confirm_button" | 
 |  |  |         app:layout_constraintEnd_toEndOf="parent" | 
 |  |  |         app:layout_constraintHorizontal_bias="1.0" | 
 |  |  |         app:layout_constraintHorizontal_bias="0.0" | 
 |  |  |         app:layout_constraintStart_toStartOf="parent" | 
 |  |  |         app:layout_constraintTop_toBottomOf="@+id/header" | 
 |  |  |         app:layout_constraintVertical_bias="1.0" /> | 
 |  |  |         app:layout_constraintVertical_bias="0.0" /> | 
 |  |  |  | 
 |  |  |     <ImageButton | 
 |  |  |         android:id="@+id/addButton" | 
 |  |  |         android:layout_width="wrap_content" | 
 |  |  |     <Button | 
 |  |  |         android:id="@+id/confirm_button" | 
 |  |  |         android:layout_width="0dp" | 
 |  |  |         android:layout_height="wrap_content" | 
 |  |  |         android:src="@android:drawable/ic_input_add" | 
 |  |  |         android:background="?attr/selectableItemBackgroundBorderless" | 
 |  |  |         android:padding="10dp" | 
 |  |  |         tools:ignore="MissingConstraints" /> | 
 |  |  |         android:layout_margin="20dp" | 
 |  |  |         android:text="完成" | 
 |  |  |  | 
 |  |  |         app:layout_constraintBottom_toBottomOf="parent" | 
 |  |  |         app:layout_constraintEnd_toEndOf="parent" | 
 |  |  |         app:layout_constraintHorizontal_bias="0.0" | 
 |  |  |         app:layout_constraintStart_toStartOf="parent" /> | 
 |  |  |  | 
 |  |  |  | 
 |  |  |  |