ios - Swift can't retrieve images from parse.com -

i using 6.4 of xcode , working fine when updated xcode 7 seems query isn't working photos.

i'm getting username on table view images not showing error when testing on simulator iphone 5:

app transport security has blocked cleartext http (http://) resource load since insecure. temporary exceptions can configured via app's info.plist file.

and when test on iphone 6 got error :

fatal error: unexpectedly found nil while unwrapping optional value
(lldb)

and showing me red thread on line :

query.wherekey("user", equalto: pfuser.currentuser()!.username!)  

apple forcing dev use ats(https), can disable in info.plist adding this

<key>nsapptransportsecurity</key>        <dict>             <key>nsallowsarbitraryloads</key><true/>        </dict> 

should

visit apple docs more details ats , please watch wwdc video session

your second issue explain below

fpuser.currentuser can return nil if user logged out, , using ! force unwrapping , calling username, if user not logged in currentuser return nil , end calling username on nil, hence getting crash, should this.

if let user = pfuser.currentuser() {    query.wherekey("user", equalto: user.username!)  } else {    // show login ui  }