[solved] Problem retrieving safeNet Token 7

 I have faced this problem when I tried to authentication of mobile number using firebase in my android project. 

Solution:

This problem is due to You have not added SHA-1 and SHA-256 certification in your firebase project.

To do this follow the step:

1: First find the SHA certificate 

•    Go to the Android Studio
•    Go to your project 
•    click the arrow [showed in below picture]

   

•    select 'edit configuration'

•    click the '+' icon in the left corner

•    Select Gradle

•   type 'signingReport' in the Task box

•   and click apply button

•   go and run the project

•   you can get SHA-1 and SHA-256 in console

2: Add SHA certificate to the firebase:

•    go to firebase console
•    go to the project
•    go to the project setting
•    scroll down and click on 'add fingerprint'
•    copy the SHA-1 from android studio and paste here and save
•    again click on 'add fingerprint'
•    add the SHA-256 and save

Now go to the app and run your app, the issue will resolved.