diff options
| author | Alex Zolotarev <alex@maps.me> | 2015-06-23 16:18:57 +0300 |
|---|---|---|
| committer | Alex Zolotarev <alex@maps.me> | 2015-09-23 02:52:26 +0300 |
| commit | e2edf0a7f8c59d09a493035f4668e032bb499a8f (patch) | |
| tree | c5a0f9902db908cab21400ad5b092f607c9a3a0d /3party/Alohalytics/src/apple/alohalytics_objc.mm | |
| parent | 77573a493618cb67aa708f51c9fbcffcaea9fa51 (diff) | |
[alohalytics][ios] Gracefully finish background task before system kills us.
Diffstat (limited to '3party/Alohalytics/src/apple/alohalytics_objc.mm')
| -rw-r--r-- | 3party/Alohalytics/src/apple/alohalytics_objc.mm | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/3party/Alohalytics/src/apple/alohalytics_objc.mm b/3party/Alohalytics/src/apple/alohalytics_objc.mm index ff95ce02b8..b36a11e4d0 100644 --- a/3party/Alohalytics/src/apple/alohalytics_objc.mm +++ b/3party/Alohalytics/src/apple/alohalytics_objc.mm @@ -460,8 +460,14 @@ bool IsConnectionActive() { Stats::Instance().LogEvent("$applicationDidEnterBackground"); if (IsConnectionActive()) { - // Start uploading in the background, we have about 10 mins to do that. - sBackgroundTaskId = [[UIApplication sharedApplication] beginBackgroundTaskWithExpirationHandler:^{ EndBackgroundTask(); }]; + // Start uploading in the background, but keep in mind, that we have a limited time to do that. + // Graceful background task finish is a must before system time limit hits. + UIApplication * theApp = [UIApplication sharedApplication]; + void (^endBackgroundTaskBlock)(void) = ^{ EndBackgroundTask(); }; + ::dispatch_after(::dispatch_time(DISPATCH_TIME_NOW, static_cast<int64_t>(theApp.backgroundTimeRemaining)), + ::dispatch_get_main_queue(), + endBackgroundTaskBlock); + sBackgroundTaskId = [theApp beginBackgroundTaskWithExpirationHandler:endBackgroundTaskBlock]; alohalytics::Stats::Instance().Upload(&OnUploadFinished); } else { if (Stats::Instance().DebugMode()) { |