From 0631c2925a9cbc469abe2c02171ca06b06d46072 Mon Sep 17 00:00:00 2001
From: seven332 <seven332@163.com>
Date: Wed, 12 Nov 2014 23:55:11 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=E9=98=85=E8=AF=BB=E7=95=8C?=
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---
 .../hippo/ehviewer/ui/GalleryActivity.java    | 44 ++++++++++---------
 1 file changed, 24 insertions(+), 20 deletions(-)

diff --git a/src/com/hippo/ehviewer/ui/GalleryActivity.java b/src/com/hippo/ehviewer/ui/GalleryActivity.java
index 31cebbc1e..b45311070 100644
--- a/src/com/hippo/ehviewer/ui/GalleryActivity.java
+++ b/src/com/hippo/ehviewer/ui/GalleryActivity.java
@@ -86,26 +86,30 @@ private void cancelFullScreenTask() {
     void setFullScreen(final boolean fullScreen) {
         mFullScreenHelper.setFullScreen(fullScreen);
 
-        AlphaAnimation aa = fullScreen ? new AlphaAnimation(1.0f, 0.0f) : new AlphaAnimation(0.0f, 1.0f);
-        aa.setDuration(Constants.ANIMATE_TIME);
-        aa.setAnimationListener(new AnimationListener() {
-            @Override
-            public void onAnimationStart(Animation animation) {
-                mFooter.setVisibility(View.VISIBLE);
-            }
-
-            @Override
-            public void onAnimationEnd(Animation animation) {
-                if (fullScreen)
-                    mFooter.setVisibility(View.INVISIBLE);
-            }
-
-            @Override
-            public void onAnimationRepeat(Animation animation) {
-                // Empty
-            }
-        });
-        mFooter.startAnimation(aa);
+        if (!(fullScreen && mFooter.getVisibility() == View.GONE) &&
+                !(!fullScreen && mFooter.getVisibility() == View.VISIBLE)) {
+            AlphaAnimation aa = fullScreen ? new AlphaAnimation(1.0f, 0.0f) :
+                    new AlphaAnimation(0.0f, 1.0f);
+            aa.setDuration(Constants.ANIMATE_TIME);
+            aa.setAnimationListener(new AnimationListener() {
+                @Override
+                public void onAnimationStart(Animation animation) {
+                    mFooter.setVisibility(View.VISIBLE);
+                }
+
+                @Override
+                public void onAnimationEnd(Animation animation) {
+                    if (fullScreen)
+                        mFooter.setVisibility(View.GONE);
+                }
+
+                @Override
+                public void onAnimationRepeat(Animation animation) {
+                    // Empty
+                }
+            });
+            mFooter.startAnimation(aa);
+        }
 
         if (!fullScreen)
             startFullScreenTask();