调整阅读界面滑调消失显示动画

seven332 · Nov 12, 2014 · 0631c29 · 0631c29
1 parent fbd9e93
commit 0631c29
Showing 1 changed file with 24 additions and 20 deletions.
diff --git 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();