Slide 10
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Agenda
˖ 㛇劤箟
إحز،حف
ؐؓ٦ىؚٝ،حف
5XJUUFSךة؎يٓ؎ٝ邌爙׃ג
䒷䓸ג刿倜ָדֹ״ֲחׅ
鼅䫛׃5XFFU-JLFדֹ״ֲחׅ
˖ 䘔欽箟
5XFFU嗚稊דֹ״ֲחׅ
[email protected]
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然钠ׅ
[email protected]
import UIKit
import RealmSwift
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {
var window: UIWindow?
func application(application: UIApplication,
didFinishLaunchingWithOptions
launchOptions: [NSObject: AnyObject]?) -> Bool {
let realm = try! Realm()
print(realm)
return true
}
}
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ؐؓ٦ي،حف
[email protected]
import Foundation
import RealmSwift
class Tweet: Object {
dynamic var name = ""
dynamic var text = ""
dynamic var iconURL = ""
dynamic var id = ""
dynamic var createdAt = NSDate()
}
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ؐؓ٦ي،حف
[email protected]
let tweet = Tweet()
tweet.name = "test name"
tweet.text = "test text"
try! realm.write {
realm.add(tweet)
}
let tweets = realm.objects(Tweet.self)
for tweet in tweets {
print(tweet.name)
print(tweet.text)
print(tweet.createdAt)
}
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ة؎يٓ؎ٝ邌爙
[email protected]
import Foundation
import RealmSwift
class Tweet: Object {
dynamic var name = ""
dynamic var text = ""
dynamic var iconURL = ""
dynamic var id = ""
dynamic var createdAt = NSDate()
}
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ة؎يٓ؎ٝ邌爙
[email protected]
class Tweet: Object {
dynamic var name = ""
dynamic var text = ""
dynamic var iconURL = ""
dynamic var id = ""
dynamic var createdAt = NSDate()
static var dateFormatter: NSDateFormatter {
let dateFormatter = NSDateFormatter()
dateFormatter.locale = NSLocale(localeIdentifier: "en_US_POSIX")
dateFormatter.dateFormat = "EEE MMM dd HH:mm:ss Z yyyy"
return dateFormatter
}
convenience init(tweetDictionary: [String: AnyObject]) {
self.init()
let user = tweetDictionary["user"] as! [String: AnyObject]
name = user["name"] as! String
text = tweetDictionary["text"] as! String
iconURL = user["profile_image_url_https"] as! String
id = tweetDictionary["id_str"] as! String
createdAt = Tweet.dateFormatter.dateFromString(tweetDictionary["created_at"] as! String)!
}
}
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ة؎يٓ؎ٝ邌爙
[email protected]
import UIKit
class TimelineCell: UITableViewCell {
@IBOutlet weak var iconView: UIImageView!
@IBOutlet weak var nameLabel: UILabel!
@IBOutlet weak var tweetTextView: UITextView!
override func prepareForReuse() {
iconView.image = nil
nameLabel.text = nil
tweetTextView.text = nil
}
}
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Bة؎يٓ؎ٝ邌爙
[email protected]
import UIKit
import Accounts
import Social
import RealmSwift
class TimelineViewController: UITableViewController {
var account: ACAccount?
func getHomeTimeline() {
let requestURL = NSURL(string: "https://api.twitter.com/1/statuses/home_timeline.json")
let request = SLRequest(forServiceType: SLServiceTypeTwitter, requestMethod: .GET, URL: requestURL, parameters: nil)
request.account = account
request.performRequestWithHandler { (data, response, error) -> Void in
if let error = error {
self.showAlert(error.localizedDescription)
return
}
do {
let results = try NSJSONSerialization.JSONObjectWithData(data, options: [])
if let results = results as? NSDictionary {
let errors = results["errors"] as! [[String: AnyObject]]
let message = errors.last!["message"] as! String
self.showAlert(message)
return
}
let timeline = results as! [[String: AnyObject]]
let realm = try! Realm()
try! realm.write {
timeline.forEach { (tweetDictionary) -> () in
let tweet = Tweet(tweetDictionary: tweetDictionary)
realm.add(tweet)
}
}
} catch let error as NSError {
self.showAlert(error.localizedDescription)
}
}
}
func showAlert(message: String) {
dispatch_async(dispatch_get_main_queue()) {
let alertController = UIAlertController(title: "Error", message: message, preferredStyle: .Alert)
alertController.addAction(UIAlertAction(title: "OK", style: .Default, handler: nil))
self.presentViewController(alertController, animated: true, completion: nil)
}
}
}
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Cة؎يٓ؎ٝ邌爙
[email protected]
override func viewDidLoad() {
super.viewDidLoad()
let accountStore = ACAccountStore()
let accountType = accountStore.accountTypeWithAccountTypeIdentifier(ACAccountTypeIdentifierTwitter)
accountStore.requestAccessToAccountsWithType(accountType, options: nil) { (granted, error) -> Void in
if granted {
let accounts = accountStore.accountsWithAccountType(accountType)
if let account = accounts.first as? ACAccount {
self.account = account
self.getHomeTimeline()
} else {
self.showAlert("No Twitter account")
}
} else {
self.showAlert("No account access")
}
}
}
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Bة؎يٓ؎ٝ邌爙
[email protected]
class TimelineViewController: UITableViewController {
var timeline: Results?
var notificationToken: NotificationToken?
var account: ACAccount?
...
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Cة؎يٓ؎ٝ邌爙
[email protected]
override func viewDidLoad() {
super.viewDidLoad()
...
tableView.registerNib(UINib(nibName: "TimelineCell", bundle: nil), forCellReuseIdentifier: "timelineCell"
tableView.rowHeight = 90
tableView.estimatedRowHeight = 90
let realm = try! Realm()
timeline = realm.objects(Tweet).sorted("createdAt", ascending: false)
notificationToken = timeline?.addNotificationBlock { [weak self] (change) in
switch change {
case .Initial(_):
self?.tableView.reloadData()
case .Update(_, deletions: _, insertions: _, modifications: _):
self?.tableView.reloadData()
case .Error(_):
return
}
}
}
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ة؎يٓ؎ٝ邌爙
[email protected]
override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return timeline?.count ?? 0
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("timelineCell", forIndexPath: indexPath) as! TimelineCell
let tweet = timeline![indexPath.row]
cell.nameLabel.text = tweet.name
cell.tweetTextView.text = tweet.text
NSURLSession.sharedSession().dataTaskWithRequest(NSURLRequest(URL: NSURL(string: tweet.iconURL)!)) { (data, response, error) -> Void
if let _ = error {
return
}
dispatch_async(dispatch_get_main_queue()) {
let image = UIImage(data: data!)!
cell.iconView.image = image
}
}.resume()
return cell
}
override func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
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ة؎يٓ؎ٝ邌爙
[email protected]
import UIKit
import Accounts
import Social
import RealmSwift
class TimelineViewController: UITableViewController {
var timeline: Results?
var notificationToken: NotificationToken?
var account: ACAccount?
override func viewDidLoad() {
super.viewDidLoad()
let accountStore = ACAccountStore()
let accountType = accountStore.accountTypeWithAccountTypeIdentifier(ACAccountTypeIdentifierTwitter)
accountStore.requestAccessToAccountsWithType(accountType, options: nil) { (granted, error) -> Void in
if granted {
let accounts = accountStore.accountsWithAccountType(accountType)
if let account = accounts.first as? ACAccount {
self.account = account
self.getHomeTimeline()
} else {
self.showAlert("No Twitter account")
}
} else {
self.showAlert("No account access")
}
}
tableView.registerNib(UINib(nibName: "TimelineCell", bundle: nil), forCellReuseIdentifier: "timelineCell")
tableView.rowHeight = 90
tableView.estimatedRowHeight = 90
let realm = try! Realm()
timeline = realm.objects(Tweet).sorted("createdAt", ascending: false)
notificationToken = timeline?.addNotificationBlock { [weak self] (change) in
switch change {
case .Initial(_):
self?.tableView.reloadData()
case .Update(_, deletions: _, insertions: _, modifications: _):
self?.tableView.reloadData()
case .Error(_):
return
}
}
}
func getHomeTimeline() {
let requestURL = NSURL(string: "https://api.twitter.com/1/statuses/home_timeline.json")
let request = SLRequest(forServiceType: SLServiceTypeTwitter, requestMethod: .GET, URL: requestURL, parameters: nil)
request.account = account
request.performRequestWithHandler { (data, response, error) -> Void in
if let error = error {
self.showAlert(error.localizedDescription)
return
}
do {
let results = try NSJSONSerialization.JSONObjectWithData(data, options: [])
if let results = results as? NSDictionary {
let errors = results["errors"] as! [[String: AnyObject]]
let message = errors.last!["message"] as! String
self.showAlert(message)
return
}
let timeline = results as! [[String: AnyObject]]
let realm = try! Realm()
try! realm.write {
timeline.forEach { (tweetDictionary) -> () in
let tweet = Tweet(tweetDictionary: tweetDictionary)
realm.add(tweet)
}
}
} catch let error as NSError {
self.showAlert(error.localizedDescription)
}
}
}
func showAlert(message: String) {
dispatch_async(dispatch_get_main_queue()) {
let alertController = UIAlertController(title: "Error", message: message, preferredStyle: .Alert)
alertController.addAction(UIAlertAction(title: "OK", style: .Default, handler: nil))
self.presentViewController(alertController, animated: true, completion: nil)
}
}
override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return timeline?.count ?? 0
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("timelineCell", forIndexPath: indexPath) as! TimelineCell
let tweet = timeline![indexPath.row]
cell.nameLabel.text = tweet.name
cell.tweetTextView.text = tweet.text
NSURLSession.sharedSession().dataTaskWithRequest(NSURLRequest(URL: NSURL(string: tweet.iconURL)!)) { (data, response, error) -> Void in
if let _ = error {
return
}
dispatch_async(dispatch_get_main_queue()) {
let image = UIImage(data: data!)!
cell.iconView.image = image
}
}.resume()
return cell
}
override func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
}
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C䒷䓸ג刿倜
[email protected]
case .Error(_):
return
}
}
refreshControl?.addTarget(self, action: #selector(TimelineViewController.refresh(_:)), forControlEvents: .ValueChanged)
}
func refresh(sender: UIRefreshControl) {
if let _ = self.account {
getHomeTimeline()
}
}
func getHomeTimeline() {
let requestURL = NSURL(string: "https://api.twitter.com/1/statuses/home_timeline.json")
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D䒷䓸ג刿倜
[email protected]
func getHomeTimeline() {
let requestURL = NSURL(string: "https://api.twitter.com/1/statuses/home_timeline.json")
let request = SLRequest(forServiceType: SLServiceTypeTwitter, requestMethod: .GET, URL: requestURL, parameters: nil)
request.account = account
request.performRequestWithHandler { (data, response, error) -> Void in
if let error = error {
self.showAlert(error.localizedDescription)
return
}
do {
let results = try NSJSONSerialization.JSONObjectWithData(data, options: [])
if let results = results as? NSDictionary {
let errors = results["errors"] as! [[String: AnyObject]]
let message = errors.last!["message"] as! String
self.showAlert(message)
return
}
let timeline = results as! [[String: AnyObject]]
let realm = try! Realm()
try! realm.write {
timeline.forEach { (tweetDictionary) -> () in
let tweet = Tweet(tweetDictionary: tweetDictionary)
realm.add(tweet, update: true)
}
}
} catch let error as NSError {
self.showAlert(error.localizedDescription)
}
dispatch_async(dispatch_get_main_queue()) {
self.refreshControl?.endRefreshing()
}
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䒷䓸ג刿倜
[email protected]
import UIKit
import Accounts
import Social
import RealmSwift
class TimelineViewController: UITableViewController {
var timeline: Results?
var notificationToken: NotificationToken?
var account: ACAccount?
override func viewDidLoad() {
super.viewDidLoad()
let accountStore = ACAccountStore()
let accountType = accountStore.accountTypeWithAccountTypeIdentifier(ACAccountTypeIdentifierTwitter)
accountStore.requestAccessToAccountsWithType(accountType, options: nil) { (granted, error) -> Void in
if granted {
let accounts = accountStore.accountsWithAccountType(accountType)
if let account = accounts.first as? ACAccount {
self.account = account
self.getHomeTimeline()
} else {
self.showAlert("No Twitter account")
}
} else {
self.showAlert("No account access")
}
}
tableView.registerNib(UINib(nibName: "TimelineCell", bundle: nil), forCellReuseIdentifier: "timelineCell")
tableView.rowHeight = 90
tableView.estimatedRowHeight = 90
let realm = try! Realm()
timeline = realm.objects(Tweet).sorted("createdAt", ascending: false)
notificationToken = timeline?.addNotificationBlock { [weak self] (change) in
switch change {
case .Initial(_):
self?.tableView.reloadData()
case .Update(_, deletions: _, insertions: _, modifications: _):
self?.tableView.reloadData()
case .Error(_):
return
}
}
refreshControl?.addTarget(self, action: #selector(TimelineViewController.refresh(_:)), forControlEvents: .ValueChanged)
}
func refresh(sender: UIRefreshControl) {
if let _ = self.account {
getHomeTimeline()
}
}
func getHomeTimeline() {
let requestURL = NSURL(string: "https://api.twitter.com/1/statuses/home_timeline.json")
let request = SLRequest(forServiceType: SLServiceTypeTwitter, requestMethod: .GET, URL: requestURL, parameters: nil)
request.account = account
request.performRequestWithHandler { (data, response, error) -> Void in
if let error = error {
self.showAlert(error.localizedDescription)
return
}
do {
let results = try NSJSONSerialization.JSONObjectWithData(data, options: [])
if let results = results as? NSDictionary {
let errors = results["errors"] as! [[String: AnyObject]]
let message = errors.last!["message"] as! String
self.showAlert(message)
return
}
let timeline = results as! [[String: AnyObject]]
let realm = try! Realm()
try! realm.write {
timeline.forEach { (tweetDictionary) -> () in
let tweet = Tweet(tweetDictionary: tweetDictionary)
realm.add(tweet)
}
}
} catch let error as NSError {
self.showAlert(error.localizedDescription)
}
dispatch_async(dispatch_get_main_queue()) {
self.refreshControl?.endRefreshing()
}
}
}
func showAlert(message: String) {
dispatch_async(dispatch_get_main_queue()) {
let alertController = UIAlertController(title: "Error", message: message, preferredStyle: .Alert)
alertController.addAction(UIAlertAction(title: "OK", style: .Default, handler: nil))
self.presentViewController(alertController, animated: true, completion: nil)
}
}
override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return timeline?.count ?? 0
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("timelineCell", forIndexPath: indexPath) as! TimelineCell
let tweet = timeline![indexPath.row]
cell.nameLabel.text = tweet.name
cell.tweetTextView.text = tweet.text
NSURLSession.sharedSession().dataTaskWithRequest(NSURLRequest(URL: NSURL(string: tweet.iconURL)!)) { (data, response, error) -> Void in
if let _ = error {
return
}
dispatch_async(dispatch_get_main_queue()) {
let image = UIImage(data: data!)!
cell.iconView.image = image
}
}.resume()
return cell
}
override func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
}
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Bفٓ؎ؤؗ٦
[email protected]
class Tweet: Object {
dynamic var name = ""
dynamic var text = ""
dynamic var iconURL = ""
dynamic var id = ""
dynamic var createdAt = NSDate()
...
override class func primaryKey() -> String? {
return "id"
}
}
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Cفٓ؎ؤؗ٦
[email protected]
let timeline = results as! [[String: AnyObject]]
let realm = try! Realm()
try! realm.write {
timeline.forEach { (tweetDictionary) -> () in
let tweet = Tweet(tweetDictionary: tweetDictionary)
realm.add(tweet, update: true)
}
}
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-JLFׅ
[email protected]
class Tweet: Object {
...
dynamic var favorited = false
convenience init(tweetDictionary: [String: AnyObject]) {
...
favorited = tweetDictionary["favorited"] as! Bool
}
}
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-JLFׅ
[email protected]
func postFavorite(id: String) {
let realm = try! Realm()
guard let tweet = realm.objectForPrimaryKey(Tweet.self, key: id) else {
return
}
let requestURL: NSURL
if tweet.favorited {
requestURL = NSURL(string: "https://api.twitter.com/1.1/favorites/destroy.json")!
} else {
requestURL = NSURL(string: "https://api.twitter.com/1.1/favorites/create.json")!
}
let request = SLRequest(forServiceType: SLServiceTypeTwitter, requestMethod: .POST, URL: requestURL, parameters: ["id":
request.account = account
request.performRequestWithHandler { (data, response, error) -> Void in
if let error = error {
self.showAlert(error.localizedDescription)
return
}
let realm = try! Realm()
if let tweet = realm.objectForPrimaryKey(Tweet.self, key: id) {
try! realm.write {
tweet.favorited = !tweet.favorited
}
}
}
}
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-JLFׅ
[email protected]
override func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
let tweet = timeline![indexPath.row]
postFavorite(tweet.id)
tableView.deselectRowAtIndexPath(indexPath, animated: true)
}
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-JLFׅ
[email protected]
import UIKit
import RealmSwift
class FavoritesViewController: UITableViewController {
var likes: Results?
var notificationToken: NotificationToken?
override func viewDidLoad() {
super.viewDidLoad()
tableView.registerNib(UINib(nibName: "TimelineCell", bundle: nil), forCellReuseIdentifier: "timelineCell")
tableView.rowHeight = 90
tableView.estimatedRowHeight = 90
let realm = try! Realm()
likes = realm.objects(Tweet).filter("favorited = %@", true).sorted("createdAt", ascending: false)
notificationToken = likes?.addNotificationBlock { [weak self] (change) in
switch change {
case .Initial(_):
self?.tableView.reloadData()
case .Update(_, deletions: _, insertions: _, modifications: _):
self?.tableView.reloadData()
case .Error(_):
return
}
}
}
// MARK: - Table view data source
override func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return likes?.count ?? 0
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("timelineCell", forIndexPath: indexPath) as! TimelineCell
let tweet = likes![indexPath.row]
cell.nameLabel.text = tweet.name
cell.tweetTextView.text = tweet.text
NSURLSession.sharedSession().dataTaskWithRequest(NSURLRequest(URL: NSURL(string: tweet.iconURL)!)) { (data, response, error) -> Void in
if let _ = error {
return
}
dispatch_async(dispatch_get_main_queue()) {
let image = UIImage(data: data!)!
cell.iconView.image = image
}
}.resume()
return cell
}
override func tableView(tableView: UITableView, heightForRowAtIndexPath indexPath: NSIndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
}
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Where to find us
• ! Realm Japan User Group: facebook.com/groups/realmjp
• ! Twitter: twitter.com/realmJapan
• GitHub: github.com/realm
• ! StackOverflow: ja.stackoverflow.com/questions/tagged/realm
• ! Email: [email protected]
• ! Slack: slack.realm.io/
[email protected]