Update

app/src/main/java/com/hippo/effect/ViewTransition.java

@@ -53,11 +53,11 @@ public class ViewTransition {
         return mShownView;
     }
 
-    public void showView(int shownView) {
-        showView(shownView, true);
+    public boolean showView(int shownView) {
+        return showView(shownView, true);
     }
 
-    public void showView(int shownView, boolean animation) {
+    public boolean showView(int shownView, boolean animation) {
         View[] views = mViews;
         int length = views.length;
         if (shownView >= length || shownView < 0) {
@@ -104,6 +104,10 @@ public class ViewTransition {
                     }
                 }
             }
+
+            return true;
+        } else {
+            return false;
         }
     }
 

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java

@@ -683,6 +683,16 @@ public class GalleryListScene extends Scene implements SearchBar.Helper,
             AppHandler.getInstance().post(mSearchBarPositionTask);
         }
 
+        @Override
+        protected void onShowProgress() {
+            showSearchBar(true);
+        }
+
+        @Override
+        protected void onShowText() {
+            showSearchBar(true);
+        }
+
         @Override
         protected void getPageData(int taskId, int type, int page) {
             try {

app/src/main/java/com/hippo/ehviewer/widget/ContentLayout.java

@@ -82,6 +82,19 @@ public class ContentLayout extends FrameLayout {
         mImageView = mTipView.getChildAt(0);
         mTextView = (TextView) mTipView.getChildAt(1);
 
+        mRefreshLayout.setHeaderColorSchemeResources(
+                R.color.loading_indicator_red,
+                R.color.loading_indicator_purple,
+                R.color.loading_indicator_blue,
+                R.color.loading_indicator_cyan,
+                R.color.loading_indicator_green,
+                R.color.loading_indicator_yellow);
+        mRefreshLayout.setFooterColorSchemeResources(
+                R.color.loading_indicator_red,
+                R.color.loading_indicator_blue,
+                R.color.loading_indicator_green,
+                R.color.loading_indicator_orange);
+
         //
         mRecyclerViewOriginTop = mRecyclerView.getPaddingTop();
         mRecyclerViewOriginBottom = mRecyclerView.getPaddingBottom();
@@ -194,6 +207,12 @@ public class ContentLayout extends FrameLayout {
             @Override
             public void onScrollStateChanged(RecyclerView recyclerView, int newState){
                 if (newState == RecyclerView.SCROLL_STATE_IDLE) {
+                    // For footer refresh
+                    if (mRefreshLayout.isAlmostBottom()) {
+                        mRefreshLayout.requsetFooterRefresh();
+                    }
+
+                    // For current index
                     if (mPageVolume <= 0) {
                         return;
                     }
@@ -279,21 +298,29 @@ public class ContentLayout extends FrameLayout {
 
         protected abstract void onScrollToPosition();
 
+        protected abstract void onShowProgress();
+
+        protected abstract void onShowText();
+
         public void showContent() {
             mViewTransition.showView(0);
         }
 
         public void showProgressBar() {
-            showProgressBar(true);
+            mViewTransition.showView(1, false);
         }
 
         public void showProgressBar(boolean animation) {
-            mViewTransition.showView(1, animation);
+            if (mViewTransition.showView(1, animation)) {
+                onShowProgress();
+            }
         }
 
         public void showText(CharSequence text) {
-            mViewTransition.showView(2);
             mTextView.setText(text);
+            if (mViewTransition.showView(2)) {
+                onShowText();
+            }
         }
 
         /**

app/src/main/java/com/hippo/widget/refreshlayout/RefreshLayout.java

@@ -21,6 +21,7 @@ import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Canvas;
 import android.support.v4.view.MotionEventCompat;
+import android.support.v4.view.ScrollingView;
 import android.support.v4.view.ViewCompat;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
@@ -556,8 +557,7 @@ public class RefreshLayout extends ViewGroup {
     public void setFooterColorSchemeResources(int colorRes1, int colorRes2, int colorRes3,
                                         int colorRes4) {
         final Resources res = getResources();
-        setFooterColorSchemeColors(res.getColor(colorRes1), res.getColor(colorRes2),
-                res.getColor(colorRes3), res.getColor(colorRes4));
+        setFooterColorSchemeColors(res.getColor(colorRes1), res.getColor(colorRes2), res.getColor(colorRes3), res.getColor(colorRes4));
     }
 
     /**
@@ -570,16 +570,23 @@ public class RefreshLayout extends ViewGroup {
         mProgressBar.setColorScheme(color1, color2, color3, color4);
     }
 
+    public void requsetFooterRefresh() {
+        if (isEnabled() && !mHeaderRefreshing && !mFooterRefreshing && mFooterEnable &&
+                (mFooterListener == null || mFooterListener.onFooterRefresh())) {
+            setFooterRefreshing(true);
+        }
+    }
+
     public void setHeaderEnable(boolean headerEnable) {
         mHeaderEnable = headerEnable;
-        if (headerEnable == false && mHeaderRefreshing == true) {
+        if (!headerEnable && mHeaderRefreshing) {
             setHeaderRefreshing(false);
         }
     }
 
     public void setFooterEnable(boolean footerEnable) {
         mFooterEnable = footerEnable;
-        if (footerEnable == false && mFooterRefreshing == true) {
+        if (!footerEnable && mFooterRefreshing) {
             setFooterRefreshing(false);
         }
     }
@@ -674,8 +681,7 @@ public class RefreshLayout extends ViewGroup {
                 getMeasuredWidth() - getPaddingLeft() - getPaddingRight(),
                 MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(
                 getMeasuredHeight() - getPaddingTop() - getPaddingBottom(), MeasureSpec.EXACTLY));
-        mCircleView.measure(MeasureSpec.makeMeasureSpec(mCircleWidth, MeasureSpec.EXACTLY),
-                MeasureSpec.makeMeasureSpec(mCircleHeight, MeasureSpec.EXACTLY));
+        mCircleView.measure(MeasureSpec.makeMeasureSpec(mCircleWidth, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(mCircleHeight, MeasureSpec.EXACTLY));
         if (!mUsingCustomStart && !mOriginalOffsetCalculated) {
             mOriginalOffsetCalculated = true;
             mCurrentTargetOffsetTop = mOriginalOffsetTop = -mCircleView.getMeasuredHeight();
@@ -716,12 +722,14 @@ public class RefreshLayout extends ViewGroup {
         if (mTarget instanceof AbsListView) {
             final AbsListView absListView = (AbsListView) mTarget;
             return absListView.getLastVisiblePosition() > absListView.getCount() - 2;
+        } else if (mTarget instanceof ScrollingView) {
+            final ScrollingView scrollingView = (ScrollingView) mTarget;
+            final int offset = scrollingView.computeVerticalScrollOffset();
+            final int range = scrollingView.computeVerticalScrollRange() -
+                    scrollingView.computeVerticalScrollExtent();
+            return offset >= range;
         } else {
-            if (android.os.Build.VERSION.SDK_INT >= 14) {
-                return !ViewCompat.canScrollVertically(mTarget, getHeight() / 4);
-            } else {
-                return true;
-            }
+            return !ViewCompat.canScrollVertically(mTarget, 1);
         }
     }
 
@@ -735,14 +743,6 @@ public class RefreshLayout extends ViewGroup {
             return false;
         }
 
-        if (mFooterEnable && isAlmostBottom()) {
-            // Check footer
-            if (mFooterListener == null || mFooterListener.onFooterRefresh()) {
-                setFooterRefreshing(true);
-                return false;
-            }
-        }
-
         if (!mHeaderEnable || canChildScrollUp() || mFooterRefreshing) {
             // Fail fast if we're not in a state where a swipe is possible
             return false;
@@ -815,14 +815,6 @@ public class RefreshLayout extends ViewGroup {
             return false;
         }
 
-        if (mFooterEnable && isAlmostBottom()) {
-            // Check footer
-            if (mFooterListener == null || mFooterListener.onFooterRefresh()) {
-                setFooterRefreshing(true);
-                return false;
-            }
-        }
-
         if (!mHeaderEnable || canChildScrollUp() || mFooterRefreshing) {
             // Fail fast if we're not in a state where a swipe is possible
             return false;