From 3cf22cda98aa66084b985fedd8bba567922e8256 Mon Sep 17 00:00:00 2001
From: cgspine <cgspine@gmail.com>
Date: Mon, 21 May 2018 21:32:29 +0800
Subject: [PATCH] add bounds protection

---
 .../java/com/qmuiteam/qmui/widget/QMUIItemViewsAdapter.java    | 2 +-
 .../src/main/java/com/qmuiteam/qmui/widget/QMUITabSegment.java | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/qmui/src/main/java/com/qmuiteam/qmui/widget/QMUIItemViewsAdapter.java b/qmui/src/main/java/com/qmuiteam/qmui/widget/QMUIItemViewsAdapter.java
index c02687cc..4f12077a 100644
--- a/qmui/src/main/java/com/qmuiteam/qmui/widget/QMUIItemViewsAdapter.java
+++ b/qmui/src/main/java/com/qmuiteam/qmui/widget/QMUIItemViewsAdapter.java
@@ -102,7 +102,7 @@ public abstract class QMUIItemViewsAdapter<T, V extends View> {
         if (mItemData == null) {
             return null;
         }
-        if (position < 0 || position > mItemData.size()) {
+        if (position < 0 || position >= mItemData.size()) {
             return null;
         }
         return mItemData.get(position);
diff --git a/qmui/src/main/java/com/qmuiteam/qmui/widget/QMUITabSegment.java b/qmui/src/main/java/com/qmuiteam/qmui/widget/QMUITabSegment.java
index d7998a66..be8808de 100644
--- a/qmui/src/main/java/com/qmuiteam/qmui/widget/QMUITabSegment.java
+++ b/qmui/src/main/java/com/qmuiteam/qmui/widget/QMUITabSegment.java
@@ -710,9 +710,10 @@ public class QMUITabSegment extends HorizontalScrollView {
         } else {
             targetIndex = index + 1;
         }
+
         TabAdapter tabAdapter = getAdapter();
         final List<TabItemView> listViews = tabAdapter.getViews();
-        if (listViews.size() < index || listViews.size() < targetIndex) {
+        if (listViews.size() <= index || listViews.size() <= targetIndex) {
             return;
         }
         Tab preModel = tabAdapter.getItem(index);