From 2e0569ad5f2ae1ce153b932d87377d76d5ec1204 Mon Sep 17 00:00:00 2001
From: "LiuHongfeng(GuJian)" <LarryWorking@gmail.com>
Date: Wed, 29 Mar 2017 10:39:46 +0800
Subject: [PATCH 1/2] *[iOS] bugfix:fix slider crash on iOS 8.x .

---
 .../WeexSDK/Sources/Component/WXSliderComponent.m   | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m b/ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m
index 1df3aa2834..b16b13e5f7 100644
--- a/ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m
+++ b/ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m
@@ -284,6 +284,16 @@ - (BOOL)_isItemViewVisiable:(UIView *)itemView
 
 - (void)scrollViewDidScroll:(UIScrollView *)scrollView
 {
+    [NSObject cancelPreviousPerformRequestsWithTarget:self];
+    __weak typeof(self) weakSelf = self;
+    if (!weakSelf)
+    {
+        //NSLog(@"self被销毁");
+        return;
+    }
+    //ensure that the end of scroll is fired.
+    [self performSelector:@selector(scrollViewDidEndScrollingAnimation:) withObject:nil afterDelay:0.3];
+    
     UIView *itemView = nil;
     for (itemView in self.itemViews) {
         if ([self _isItemViewVisiable:itemView]) {
@@ -296,9 +306,6 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
     if (self.delegate && [self.delegate respondsToSelector:@selector(sliderView:sliderViewDidScroll:)]) {
         [self.delegate sliderView:self sliderViewDidScroll:self.scrollView];
     }
-    [NSObject cancelPreviousPerformRequestsWithTarget:self];
-    //ensure that the end of scroll is fired.
-    [self performSelector:@selector(scrollViewDidEndScrollingAnimation:) withObject:nil afterDelay:0.3];
 }
 
 - (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView

From fe650884189be4ea36e005c4881207c3f3afb849 Mon Sep 17 00:00:00 2001
From: "LiuHongfeng(GuJian)" <LarryWorking@gmail.com>
Date: Thu, 30 Mar 2017 10:16:35 +0800
Subject: [PATCH 2/2] *[iOS] fix: remove nslog code

---
 ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m | 1 -
 1 file changed, 1 deletion(-)

diff --git a/ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m b/ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m
index b16b13e5f7..ff89d17b1d 100644
--- a/ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m
+++ b/ios/sdk/WeexSDK/Sources/Component/WXSliderComponent.m
@@ -288,7 +288,6 @@ - (void)scrollViewDidScroll:(UIScrollView *)scrollView
     __weak typeof(self) weakSelf = self;
     if (!weakSelf)
     {
-        //NSLog(@"self被销毁");
         return;
     }
     //ensure that the end of scroll is fired.