Android Question error private sign key

[audelab]

I'm new member of this forum, i've the same problem, i can't release with obfuscated my app.
I have jdk 1.8.0_161 and my error is:
B4A Versione: 7.80
Analisi del Codice. (0.02s)
Compilazione del codice. (0.15s)

File ObsucastorMap.txt creato nella cartella Objects.
Compilazione del codice di layouts (0.04s)
Organizzazione Librerie. (0.00s)
Generazione file R. (0.50s)
Compilazione del codice Java prodotto. (2.15s)
Conversione byte code - ottimizzazione dex. (0.78s)
Packaging files. (1.18s)
Copia risorse delle librerie (0.00s)
Firmo il package file ( chiave privata ). Error
jarsigner error: java.security.InvalidKeyException: The security strength of SHA-1 digest algorithm is not sufficient for this key size
i try to release with obfuscated my app with debug key, and release it
p.s. Sorry for my english.

Thank you

 

[DonManfred]

Two options:
- Switch to B4A 8 and create the key with this version. Not tested but i expect it to work with B4A 8.
- https://www.b4x.com/android/forum/t...ey-algorithm-is-not-compatible.87699/#content

 

[audelab]

hi,
i switch to ver. 8 and i create my app, i solved it..
thank you soo much

p.s. why i needed a android simulator or phone to release a app with b4a??

 

[Erel]

p.s. why i needed a android simulator or phone to release a app with b4a??

You don't need to. The APK will be created once you click on the run button.

 

[audelab]

ok.. thanks

but when open app with new version i have a log warning :

 

[Erel]

This warning means that it is recommended to set the targetSdkVersion to 26.
https://www.b4x.com/search?query=targetSdkVersoin+26