Analysis of abnormal channel number information before and after AGC re signature service

Recently, some developers have reported using AGC A series of problems occurred in the original channel information after the application signature service of , After positioning, we finally figured out the reason , Here is an event review and sharing , For your reference .

Phenomenon description

Application signing service is not used ---> Use the app signing service

The original application of the developer is directly in AGC On the shelf , Application signing service is not used , There is only one channel number information detected in the background （ Assuming that A）, One day , After using the application signature service provided by Huawei , It is found that the channel number information monitored in the background is in addition to A, also B（ Generally, there will be a default channel number when the signature information is not obtained B）. Therefore, it is suspected that Huawei distributed the wrong package , Actually not , Because the application signature will re sign the package , The original channel number information written in the package signature information will be lost , Here you can refer to the original article ：《 Processing and analysis of channel package information loss after application is put on the shelves 》, So if you want to keep the original channel information, don't use the application signature service .

Use the app signing service ---> Cancel the application signing service

After the above operation , The developer quits the application signature service , A new unsigned version has been released , But there are still two channel numbers detected in the background A and B, Therefore, developers suspect that Huawei is still distributing re signed application versions . After canceling the re signing service normally , There is only one unsigned version on the Internet , Applications downloaded by new users can only be channel numbers A Version of . Then why is there a channel number B What is the proportion of users ？

After careful analysis , Originally, the statistics of channel number information is not collected at the time of installation, but it needs to be activated after installing and opening the application , Some users on the current network actually installed the re signed version , But the application has not been opened , Wait until the developer has released the unsigned version before opening the original application , At this time, the channel number of the re signed version is still reported B. This is why developers first released the re signed version , The channel number is still counted A Users of , Because some users have not opened the old version installed , Open just after releasing the re signed version or canceling the re signed version .

summary

In general, there is no problem with distribution , Using signature service channel number information will be lost , And the channel number information statistics depend on the time of opening the application , It has nothing to do with the actual installation time of the application .

 

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