BKSProcessAssertion

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BKSProcessAssertion is a class introduced in iOS 6, implemented in BackBoardServices.framework (before iOS 8) or AssertionServices.framework (iOS 8). As described by Adam Bell, "This class allows you to give a certain application permissions to stay alive and not be killed by watchdog."

Methods

Signature	+(NSString*)NameForReason:(NSUInteger)reason;
Available in	6.0–

Reason	Result
0	@"none"
1	@"audio"
2	@"location"
3	@"external-accessory"
4	@"finishTask"
5	@"bluetooth"
6	@"networkAuthentication"
7	@"backgroundUI"
8	@"interAppAudioStreaming"
9	@"viewServices"
10	@"newsstandDownload"
11	@"backgroundDownload"
Other (12+)	@"Unknown"
10000	@"activation"
10001	@"suspend"
10002	@"transientWakeup"
10003	@"voip"
10004	@"finishTaskUnbounded"
10005	@"continuous"
10006	@"backgroundContentFetching"
Other (10006+)	@"Unknown"

References

• Breaking Chat Heads out of the iOS Sandbox by Adam Bell
• Header (before iOS 8): https://github.com/mattlawer/iOS6-Private-Frameworks/blob/master/BackBoardServices/BKSProcessAssertion.h
• Header (iOS 8): https://github.com/nst/iOS-Runtime-Headers/blob/master/PrivateFrameworks/AssertionServices.framework/BKSProcessAssertion.h