From 85cc5f9b9778e0b4b2e460531d3176dcd02973eb Mon Sep 17 00:00:00 2001
From: Aurelien Hubert <aurel.hubert@gmail.com>
Date: Wed, 25 May 2016 11:43:04 +0200
Subject: Fixed bug with BehaviorTranslation

---
 .../ahbottomnavigation/AHBottomNavigation.java          |  6 +++++-
 .../ahbottomnavigation/AHBottomNavigationBehavior.java  | 17 ++++++++++++++++-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/ahbottomnavigation/src/main/java/com/aurelhubert/ahbottomnavigation/AHBottomNavigation.java b/ahbottomnavigation/src/main/java/com/aurelhubert/ahbottomnavigation/AHBottomNavigation.java
index 238ab0f..a3dd16f 100644
--- a/ahbottomnavigation/src/main/java/com/aurelhubert/ahbottomnavigation/AHBottomNavigation.java
+++ b/ahbottomnavigation/src/main/java/com/aurelhubert/ahbottomnavigation/AHBottomNavigation.java
@@ -961,7 +961,11 @@ public class AHBottomNavigation extends FrameLayout {
 		this.behaviorTranslationEnabled = behaviorTranslationEnabled;
 		if (getParent() instanceof CoordinatorLayout) {
 			ViewGroup.LayoutParams params = getLayoutParams();
-			bottomNavigationBehavior = new AHBottomNavigationBehavior<>(behaviorTranslationEnabled);
+			if (bottomNavigationBehavior == null) {
+				bottomNavigationBehavior = new AHBottomNavigationBehavior<>(behaviorTranslationEnabled);
+			} else {
+				bottomNavigationBehavior.setBehaviorTranslationEnabled(behaviorTranslationEnabled);
+			}
 			((CoordinatorLayout.LayoutParams) params).setBehavior(bottomNavigationBehavior);
 			if (needHideBottomNavigation) {
 				needHideBottomNavigation = false;
diff --git a/ahbottomnavigation/src/main/java/com/aurelhubert/ahbottomnavigation/AHBottomNavigationBehavior.java b/ahbottomnavigation/src/main/java/com/aurelhubert/ahbottomnavigation/AHBottomNavigationBehavior.java
index 43d6d39..5e5b900 100644
--- a/ahbottomnavigation/src/main/java/com/aurelhubert/ahbottomnavigation/AHBottomNavigationBehavior.java
+++ b/ahbottomnavigation/src/main/java/com/aurelhubert/ahbottomnavigation/AHBottomNavigationBehavior.java
@@ -94,8 +94,15 @@ public class AHBottomNavigationBehavior<V extends View> extends VerticalScrollin
 		handleDirection(child, scrollDirection);
 	}
 
-
+	/**
+	 * Handle scroll direction
+	 * @param child
+	 * @param scrollDirection
+	 */
 	private void handleDirection(V child, int scrollDirection) {
+		if (!behaviorTranslationEnabled) {
+			return;
+		}
 		if (scrollDirection == ScrollDirection.SCROLL_DIRECTION_DOWN && hidden) {
 			hidden = false;
 			animateOffset(child, 0, false, true);
@@ -219,6 +226,14 @@ public class AHBottomNavigationBehavior<V extends View> extends VerticalScrollin
 		this.mTabLayoutId = tabId;
 	}
 
+	/**
+	 * Enable or not the behavior translation
+	 * @param behaviorTranslationEnabled
+	 */
+	public void setBehaviorTranslationEnabled(boolean behaviorTranslationEnabled) {
+		this.behaviorTranslationEnabled = behaviorTranslationEnabled;
+	}
+
 	/**
 	 * Hide AHBottomNavigation with animation
 	 * @param view
-- 
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