添加边界提示控制

src/com/hippo/ehviewer/gallery/GalleryView.java

@@ -94,6 +94,7 @@ public class GalleryView extends GLView
     private static final float MILLSEC_PER_DIX = 0.2f;
     private static final float CHANGE_PAGE_PROPORTION = 0.1f;
     private static final float SLIDE_SENSITIVITY = 0;
+    private static final float BORDER_TIP_SENSITIVITY = Ui.dp2pix(48);
 
     private static final int ANIMATE_MIN = 200;
 
@@ -1224,7 +1225,7 @@ public class GalleryView extends GLView
         }
 
         @Override
-        public boolean onScrollEnd() {
+        public boolean onScrollEnd(float totalX, float totalY) {
 
             if (isScale)
                 return false;
@@ -1264,7 +1265,7 @@ public class GalleryView extends GLView
                 break;
             case SCROLL_NONE:
                 ShowItem showItem = showItems[CUR_TARGET_INDEX];
-                if (showItem != null) {
+                if (showItem != null && Math.abs(totalX) - BORDER_TIP_SENSITIVITY > 0) {
                     if (isFirstPage() && showItem.mRect.left >= 0)
                         MaterialToast.showToast(mContext.getString(R.string.first_page));
                     else if (isLastPage() && showItem.mRect.right <= mScreenWidth)

src/com/hippo/ehviewer/gallery/ui/GestureRecognizer.java

@@ -35,7 +35,7 @@ public class GestureRecognizer {
         void onLongPress(MotionEvent e);
         boolean onScrollBegin(float dx, float dy, float totalX, float totalY);
         boolean onScroll(float dx, float dy, float totalX, float totalY);
-        boolean onScrollEnd();
+        boolean onScrollEnd(float totalX, float totalY);
         boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY);
         boolean onScaleBegin(float focusX, float focusY);
         boolean onScale(float focusX, float focusY, float scale);
@@ -149,9 +149,13 @@ public class GestureRecognizer {
     }
 
     private class MyDownUpListener implements DownUpDetector.DownUpListener {
+
+        private float mFirstX;
+        private float mFirstY;
+
         @Override
         public void onDown(MotionEvent e) {
-            mListener.onDown(e.getX(), e.getY());
+            mListener.onDown(mFirstX = e.getX(), mFirstY = e.getY());
         }
 
         @Override
@@ -159,7 +163,7 @@ public class GestureRecognizer {
             mListener.onUp();
             if (mStillScroll) {
                 mStillScroll = false;
-                mListener.onScrollEnd();
+                mListener.onScrollEnd(e.getX() - mFirstX, e.getY() - mFirstY);
             }
         }
     }