update readme

README.md

@@ -1,19 +1,18 @@
 #TBEmptyDataSet
 TBEmptyDataSet is an extension of UITableView/UICollectionView's super class, it will  display a placeholder emptyDataSet when the data of tableView/collectionView is empty.
 
-TBEmptyDataSet can be composed of an image, a title and a description like this:
+TBEmptyDataSet can be composed of an image, a title and a description, or you can set it as a custom view.
 
-![Screenshot](Screenshots/Empty Photos.png)
 
-![Screenshot](Screenshots/Empty Events.png)
+![Example](Screenshots/Example.gif "Example")
 
-![Screenshot](Screenshots/Empty Message.png) 
-
-You can also set it as a custom view, such as a loading view:
-
-![Screenshot](Screenshots/Custom Loading.png) 
 
 ##How To Get Started
+###Carthage
+Specify "TBEmptyDataSet" in your Cartfile:
+```ogdl 
+github "teambition/TBEmptyDataSet"
+```
 
 ###Usage
 ##### 1.  Assign the data source and delegate
@@ -25,69 +24,69 @@ tableView.emptyDataSetDelegate = self
 Data source functions:
 ```swift 
 func imageForEmptyDataSet(scrollView: UIScrollView!) -> UIImage? {
-// return the image for EmptyDataSet
+    // return the image for EmptyDataSet
 }
 
 func titleForEmptyDataSet(scrollView: UIScrollView!) -> NSAttributedString? {
-// return the title for EmptyDataSet
+    // return the title for EmptyDataSet
 }
 
 func descriptionForEmptyDataSet(scrollView: UIScrollView!) -> NSAttributedString? {
-// return the description for EmptyDataSet
+    // return the description for EmptyDataSet
 }
 
 func imageTintColorForEmptyDataSet(scrollView: UIScrollView!) -> UIColor? {
-// return the image tint color for EmptyDataSet
+    // return the image tint color for EmptyDataSet
 }
 
 func backgroundColorForEmptyDataSet(scrollView: UIScrollView!) -> UIColor? {
-// return the backgroundColor for EmptyDataSet
+    // return the backgroundColor for EmptyDataSet
 }
 
 func verticalOffsetForEmptyDataSet(scrollView: UIScrollView!) -> CGFloat {
-// return the vertical offset for EmptyDataSet
+    // return the vertical offset for EmptyDataSet, default is 0
 }
 
 func verticalSpaceForEmptyDataSet(scrollView: UIScrollView!) -> CGFloat {
-// return the vertical space for EmptyDataSet
+    // return the vertical space for EmptyDataSet, default is 12
 }
 
 func customViewForEmptyDataSet(scrollView: UIScrollView!) -> UIView? {
-// return an optional UIView instance for EmptyDataSet
+    // return an UIView instance for EmptyDataSet
 }
 ``` 
 Delegate functions:
 ```swift
 func emptyDataSetShouldDisplay(scrollView: UIScrollView!) -> Bool {
-// should display EmptyDataSet or not
+    // should display EmptyDataSet or not, default is true
 }
 
 func emptyDataSetTapEnabled(scrollView: UIScrollView!) -> Bool {
-// enable tap gesture or not
+    // enable tap gesture or not, default is true
 }
 
 func emptyDataSetScrollEnabled(scrollView: UIScrollView!) -> Bool {
-// scrollView can scroll or not
+    // scrollView can scroll or not, default is false
 }
 
 func emptyDataSetDidTapView(scrollView: UIScrollView!) {
-// do something
+    // do something
 }
 
 func emptyDataSetWillAppear(scrollView: UIScrollView!) {
-// do something
+    // do something
 }
 
 func emptyDataSetDidAppear(scrollView: UIScrollView!) {
-// do something
+    // do something
 }
 
 func emptyDataSetWillDisappear(scrollView: UIScrollView!) {
-// do something
+    // do something
 }
 
 func emptyDataSetDidDisappear(scrollView: UIScrollView!) {
-// do something
+    // do something
 }
 ```