fix bug

Author: jxnk25

xbanner/src/main/java/com/stx/xhb/androidx/XBanner.java

@@ -789,7 +789,11 @@ public void handleAutoPlayActionUpOrCancel(float xVelocity) {
     }
 
     private int getRealPosition(int position) {
-        return position % getRealCount();
+        int realCount = getRealCount();
+        if (realCount != 0) {
+            return position % realCount;
+        }
+        return position;
     }
 
     /**
@@ -1128,6 +1132,22 @@ public void setClipChildrenLeftRightMargin(@Dimension int mClipChildrenLeftMargi
         this.mClipChildrenRightMargin = mClipChildrenRightMargin;
     }
 
+    /**
+     * 是否显示提示文案
+     * @param mIsShowTips
+     */
+    public void setIsShowTips(boolean mIsShowTips) {
+        this.mIsShowTips = mIsShowTips;
+    }
+
+    /**
+     * 低于三张图片是否展示一屏多显模式
+     * @param mIsClipChildrenModeLessThree
+     */
+    public void setIsClipChildrenModeLessThree(boolean mIsClipChildrenModeLessThree) {
+        this.mIsClipChildrenModeLessThree = mIsClipChildrenModeLessThree;
+    }
+
     @Override
     protected void onVisibilityChanged(@NonNull View changedView, int visibility) {
         super.onVisibilityChanged(changedView, visibility);
@@ -1206,6 +1226,9 @@ public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
         @NonNull
         @Override
         public Object instantiateItem(@NonNull ViewGroup container, int position) {
+            if (getRealCount() == 0) {
+                return null;
+            }
             final int realPosition = getRealPosition(position);
             View itemView;
             if (holderCreator == null) {