FAQ

Debugging

[I2WAPI initWithVerboseLog:YES isTestMode:NO];

Set verbose log to YES when initializing SDK for debugging.

App Crash Issue

1. [__NSArrayI enumFromString:]: unrecognized selector

• App crashed with the following message:

  [__NSArrayI enumFromString:]: unrecognized selector sent to instance 0x78e37970

• Add -ObjC flag in TARGETS -> Build Settings -> Linking -> Other Linker Flags

2. UIApplicationInvalidInterfaceOrientation

• App crashed with the following message:

  Terminating app due to uncaught exception 'UIApplicationInvalidInterfaceOrientation',
  reason: 'Supported orientations has no common orientation with the application, 
  and [SOSplashADViewController shouldAutorotate] is returning YES'

• Your app does not support orientation required by ad.

• Make sure your app supports both portrait and landscape mode.

No Ad Issue

• Make sure SDK is initialized in expected environment (normal mode or test mode).

• Check splash2ADDidFail callback, you can get error code :

  • CEADLoadErrorNoADCandidate (value: 1)

    • There is no ad to serve.

  • CEADLoadErrorTimeout (value: 2)

    • It is timeout for your requesting.

  • CEADLoadErrorSDKNotReady (value: 3)

    • The initialization of SDK has not yet been completed, please wait few seconds.

  • CEADLoadErrorNoADServing (value: 5)

    • This Crystal Id is disabled, please contact with your Intowow account manager.

  • CEADLoadErrorInvalidPlacement (value: 6)

    • Please check your placement is corrector.

  • CEADLoadErrorInvalidParameter (value: 7)

    • Make sure all required parameters are set.

  • CEADLoadErrorInvalidThread (value: 9)

    • Make sure the ad load process is on the correct thread.

• Invalid Crystal Id:

  error:[Request failed: not found (404)], please reverify your crystal_id is set correct

  • Please check the Crystal_Id in CrystalExpress.plist (Crystal_Id is composed of 32 non-space characters).

• Check the network connection. Video ad will be downloaded only under Wi-Fi environment by default.

• Make sure your phone has enough storage space (at least 350 MB).

• Make sure there is no other app with the same Crystal ID.

• Make sure the placement names used in the app are identical to the settings in CrystalExpress™ Backend.