I’ve implemented Crashlytics (2.2.4) in my iOS app for crash report collection. I also implemented another third-party component (Umeng) for other data collection. However,
Self answer. I got an advice from another developer on Umeng's support forum, which is to put the set report disable method before the startWithKey method. The trick is to use this method BEFORE not after the startWithKey. I am trapped by this pitfalll for two days.
[MobClick setCrashReportEnabled:NO];
[MobClick startWithAppkey:YOURKEY reportPolicy:YOURPOLICY channelId:YOURCHANNELID];