AutoHideButtonFloat for ListView

This the extended version of the AutoHideButtonFloat view for using with ListViews.
Use `setListView` to assign the respective ListView and use AutoHideFloatButton.setOnScrollListener to set extra listener for the ListView.

Author: 2hamed

MaterialDesign/src/com/gc/materialdesign/views/AutoHideButtonFloat.java

@@ -0,0 +1,72 @@
+package com.gc.materialdesign.views;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.AbsListView;
+import android.widget.ListView;
+
+import com.gc.materialdesign.views.ButtonFloat;
+import com.nineoldandroids.view.ViewPropertyAnimator;
+
+/**
+ * Created by hamedpc on 4/25/2015.
+ * This widget uses NineOldAndroid to animate the view so you're gonna need to include it in your project
+ */
+public class AutoHideButtonFloat extends ButtonFloat implements AbsListView.OnScrollListener {
+    ListView listView;
+    private boolean floatHiding = false, floatShowing = false;
+    private int mLastFirstVisibleItem;
+    private View view = this;
+    private AbsListView.OnScrollListener onScrollListener;
+
+    public AutoHideButtonFloat(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public void setOnScrollListener(AbsListView.OnScrollListener onScrollListener) {
+        this.onScrollListener = onScrollListener;
+    }
+
+    public void setListView(ListView listView) {
+        this.listView = listView;
+        this.listView.setOnScrollListener(this);
+    }
+
+    @Override
+    public void onScrollStateChanged(AbsListView absListView, int scrollState) {
+        switch (scrollState) {
+            case AbsListView.SCROLL_AXIS_NONE:
+                floatHiding = false;
+                floatShowing = false;
+                ViewPropertyAnimator.animate(view).translationY(0).setDuration(300);
+                break;
+        }
+        if (onScrollListener != null)
+            onScrollListener.onScrollStateChanged(absListView, scrollState);
+    }
+
+    @Override
+    public void onScroll(AbsListView absListView, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
+
+        if (mLastFirstVisibleItem < firstVisibleItem) {
+            if (floatShowing) floatShowing = false;
+            if (!floatHiding) {
+                ViewPropertyAnimator.animate(view).translationY(500).setDuration(300);
+                floatHiding = true;
+            }
+        }
+        if (mLastFirstVisibleItem > firstVisibleItem) {
+            if (floatHiding) {
+                floatHiding = false;
+            }
+            if (!floatShowing) {
+                ViewPropertyAnimator.animate(view).translationY(0).setDuration(300);
+                floatShowing = true;
+            }
+        }
+        mLastFirstVisibleItem = firstVisibleItem;
+        if (onScrollListener != null)
+            onScrollListener.onScroll(absListView, firstVisibleItem, visibleItemCount, totalItemCount);
+    }
+}