Android Material Button Behavior on RecyclerView

Preview

Getting Started

Download MaterialButtonBehavior and copy or put your project. add MaterialButton component in your xml layout that parent it should be CoordinatorLayout

android:layout_width size of expande

android:minWidth size of collapse

app:layout_behavior for set MaterialButtonBehavior

Example

  <android.support.design.widget.CoordinatorLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        .
        .
        .
        
           <android.support.design.button.MaterialButton
            android:id="@+id/btn_add"
            android:layout_width="160dp"
            android:layout_height="65dp"
            android:elevation="3dp"
            android:gravity="center"
            android:maxLines="1"
            android:text="@string/new_ticket"
            android:textColor="@android:color/white"
            android:textSize="16sp"
            android:minWidth="55dp"
            app:backgroundTint="@color/colorAccent"
            app:cornerRadius="28dp"
            app:icon="@drawable/ic_add"
            app:layout_anchor="@id/recycler"
            app:layout_anchorGravity="bottom|left|end"
            app:layout_behavior="<Your Package>.MaterialButtonBehavior"
            />