FAQ
Last updated
Last updated
Make sure SDK is initialized in expected environment (normal mode or test mode)
Check onError(Ad ad, AdError error) callback returned by ad listener, you can get error code by calling error.getErrorCode() :
100
There is something wrong with the network connection.
101
The server occurs error, please contact with your Intowow account manager.
102
The SDK occurs error, please contact with your Intowow account manager.
103
There is no ad to serve.
104
The initialization of SDK has not yet been completed, please wait few seconds.
105
It is timeout for your requesting.
106
Please check your placement is correct.
107
This Crystal Id is disabled, please contact with your Intowow account manager.
108
SDK is on hibernate status for some reason, such as access SD card error or the API level of an Android device is lower than the minimum API level 14.
109
Make sure your phone has enough storage space (at least 350 MB).
110
Make sure you have set non-null context and listener before you call loadAd();
111
It maybe occurs in WebView format, please remove or replace this ad from UI.
113
The crystal ID you use is not related to the correct bundle id. Please check the crystal ID is correspond to the right bundle id.
Check the network connection; video ad will be downloaded under Wi-Fi connection by default
Make sure your app does call I2WAPI.onActivityResume() and I2WAPI.onActivityPause() properly
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
If targetSDKVersion is 23 or higher, please make sure your app handles runtime permission request mechanism, see [here].()
Make sure your app does call I2WAPI.onActivityResume() and I2WAPI.onActivityPause() properly