fix the optional error with the optional binding

dakeshi · dakeshi · commit eebeb20e5ceb · 2016-08-04T16:41:50.000+09:00
diff --git a/samples/swift/uidemo/AppDelegate.swift b/samples/swift/uidemo/AppDelegate.swift
@@ -35,9 +35,10 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
   }
   
   func application(app: UIApplication, openURL url: NSURL, options: [String : AnyObject]) -> Bool {
-    let sourceApplication = options[UIApplicationOpenURLOptionsSourceApplicationKey] as! String?
-    if FIRAuthUI.authUI()?.handleOpenURL(url, sourceApplication: sourceApplication) ?? false {
-      return true
+    if let sourceApplication = options[UIApplicationOpenURLOptionsSourceApplicationKey] as! String? {
+      if FIRAuthUI.authUI()?.handleOpenURL(url, sourceApplication: sourceApplication) ?? false {
+        return true
+      }
     }
     // other URL handling goes here.
     return false

Original file line number	Diff line number	Diff line change
`@@ -35,9 +35,10 @@ class AppDelegate: UIResponder, UIApplicationDelegate {`
`35`	`35`	`}`
`36`	`36`
`37`	`37`	`func application(app: UIApplication, openURL url: NSURL, options: [String : AnyObject]) -> Bool {`
`38`		`- let sourceApplication = options[UIApplicationOpenURLOptionsSourceApplicationKey] as! String?`
`39`		`- if FIRAuthUI.authUI()?.handleOpenURL(url, sourceApplication: sourceApplication) ?? false {`
`40`		`- return true`
	`38`	`+ if let sourceApplication = options[UIApplicationOpenURLOptionsSourceApplicationKey] as! String? {`
	`39`	`+ if FIRAuthUI.authUI()?.handleOpenURL(url, sourceApplication: sourceApplication) ?? false {`
	`40`	`+ return true`
	`41`	`+ }`
`41`	`42`	`}`
`42`	`43`	`// other URL handling goes here.`
`43`	`44`	`return false`