Thank you
Manfred !
There is no relation between F5Steg and private sign key in my code .
At first I learned F5Steg to protect my code against to be copyed.
Now I know I need sign a key to put my app in store.
Then I used the private sign key tool
App will give a Error,but if i ignore it ,app still goes on.
************************************************************
B4A Version: 11.00
Parsing code. (0.24s)
Java Version: 11
Building folders structure. (0.12s)
Running custom action. (0.08s)
Compiling code. (0.23s)
ObfuscatorMap.txt file created in Objects folder.
Compiling layouts code. (0.01s)
Organizing libraries. (0.00s)
(AndroidX SDK)
Compiling resources (0.08s)
Linking resources (0.43s)
Compiling generated Java code. (3.70s)
Convert byte code - optimized dex. (2.96s)
Copying libraries resources (0.51s)
ZipAlign file. (0.07s)
Signing package file (private key). (1.28s)
Installing file to device. (0.11s)
Installing with B4A-Bridge.
Completed successfully.