in some device app running but in some device app not runnning why ?
show message : unfortunately , (app name) has stopped.
any api problem ya other help me.
and recently admob some changes
Beginning Jan 23, 2018, Google Mobile Ads SDK versions older than 7.0.0 for Android and 7.0.0 for iOS will no longer be supported. Publishers with these older versions will not be able to serve ads in their apps(s). Please ensure that you have upgraded to the latest version of the Google Mobile Ads SDK