https://github.com/AfrozZaheer/AZCollectionViewController
Easy way to integrate pagination with dummy views in CollectionView, make Instagram "Discover" within minutes.
https://github.com/AfrozZaheer/AZCollectionViewController
Last synced: 3 months ago
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Easy way to integrate pagination with dummy views in CollectionView, make Instagram "Discover" within minutes.
- Host: GitHub
- URL: https://github.com/AfrozZaheer/AZCollectionViewController
- Owner: AfrozZaheer
- License: mit
- Created: 2018-01-09T11:25:19.000Z (almost 8 years ago)
- Default Branch: master
- Last Pushed: 2020-04-17T11:32:24.000Z (over 5 years ago)
- Last Synced: 2024-11-11T10:21:29.847Z (12 months ago)
- Language: Swift
- Homepage: https://www.cocoacontrols.com/controls/azcollectionviewcontroller
- Size: 3.51 MB
- Stars: 95
- Watchers: 5
- Forks: 12
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# AZCollectionView Controller
[](https://github.com/sindresorhus/awesome)
[](https://img.shields.io/badge/swift%20-4.0-orange.svg)
[](https://img.shields.io/badge/support-CocoaPods-red.svg?style=flat.svg)
[](https://cocoapods.org/pods/AZCollectionViewController)
[](https://img.shields.io/badge/License-MIT-brightgreen.svg?style=flat.svg)
[](https://cocoapods.org/pods/AZCollectionViewController)
## Features
* Automatic pagination handling
* No more awkward empty CollectionView screen
* AZ CollectionVIew controller give you advantage to connect your (Loading, no result, error ) views via Interface builder
* You can also add your custom xib as dummy views (loading, error, no result)
## Installation
### CocoaPods
[CocoaPods](http://cocoapods.org) is a dependency manager for Cocoa projects. You can install it with the following command:
```bash
$ gem install cocoapods
```
To integrate AZ CollectionVIew controller into your Xcode project using CocoaPods, specify it in your `Podfile`:
```ruby
source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '10.0'
use_frameworks!
target '' do
pod 'AZCollectionViewController'
end
```
Then, run the following command:
```bash
$ pod install
```
## Usage
#### Step 1
* Extend your view controller from AZCollectionViewController
```swift
class ViewController: AZCollectionViewController {
var lastIndex = 0
var results = [String]()
override func viewDidLoad() {
nextLoadingCellNibName = "LoadingCollectionViewCell"
nextLoadingCellIdentifier = "LoadingCollectionViewCell"
loadNextPageLoaderCell(nibName: nextLoadingCellNibName, cellIdentifier: nextLoadingCellIdentifier) // Only if you want personal NextPage loading cell
super.viewDidLoad()
self.fetchData()
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
}
}
```
#### Step 2
* Same as AZTableVIewController
* Set the loading views outlet as given below
* Connect collectionView outlet as well
* To load views from custom .xib files
```swift
class ViewController: AZCollectionViewController {
override func viewDidLoad() {
self.loadLoadingView(nibName: "your nib name") // if bundle is nil
self.loadErrorView(nibName: "your nib name", bundle: yourBundle) // if custom bundle
super.viewDidLoad()
self.fetchData()
}
}
```
* If your xibs are in main bundle than use
```swift
self.loadLoadingView(nibName: "your nib name") // if bundle is nil
```
Else use
```swift
self.loadLoadingView(nibName: "your nib name", bundle: yourBundle)
```
#### Step 3
* And override AZCollectionView cellForRow function.
```swift
extension ViewController {
override func AZCollectionView(_ collectionView: UICollectionView, cellForRowAt indexPath: IndexPath) -> UICollectionViewCell {
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "cell", for: indexPath) as! TestCollectionViewCell
cell.feedImage.image = UIImage(named: self.results[indexPath.row])
return cell
}
override func AZCollectionView(_ collectionView: UICollectionView, heightForRowAt indexPath: IndexPath) -> CGSize {
return CGSize(width: (collectionView.frame.size.width / 3) - 6, height: (collectionView.frame.size.width / 3) - 4)
}
}
```
#### Step 4
* Override two more functions "fetchData" and "fetchNextData"
```swift
//MARK: - API Call
extension ViewController {
override func fetchData() {
super.fetchData()
FakeService.getData { (error, results) in
if let resu = results {
self.results.removeAll()
self.results.append(contentsOf: resu)
self.didfetchData(resultCount: resu.count, haveMoreData: true)
}
else if let error = error {
self.errorDidOccured(error: error)
}
}
}
override func fetchNextData() {
super.fetchNextData()
FakeService.getData (offset: results.count) { (error, results) in
if let resu = results {
self.results.append(contentsOf: resu)
if self.results.count < 45 { // you probably get next page exist from service.
self.didfetchData(resultCount: resu.count, haveMoreData: true)
}
else {
self.didfetchData(resultCount: resu.count, haveMoreData: false)
}
}
else if let error = error {
self.errorDidOccured(error: error)
}
}
}
}
```
#### Done
Thats it, you successfully integrate AZCollectionViewController
## License
AZCollectionViewController is available under the MIT license. See the LICENSE file for more info.
## Author
**Afroz Zaheer** - (https://github.com/AfrozZaheer)