更换下拉刷新箭头图片

Author: klaus01

ruby-china-ios/Assets.xcassets/refresh-arrow.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "Sorting [email protected]",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

ruby-china-ios/Assets.xcassets/refresh-arrow.imageset/Sorting [email protected]

@@ -17,6 +17,9 @@ extension UIScrollView {
     func headerWithRefreshingBlock(block: MJRefreshComponentRefreshingBlock) -> () {
         let header = MJRefreshNormalHeader(refreshingBlock: block)
         header.lastUpdatedTimeLabel.hidden = true
+        if let color = header.stateLabel?.textColor, image = UIImage(named: "refresh-arrow")?.imageWithColor(color) {
+            header.arrowView.image = image
+        }
         self.mj_header = header
     }