I make test application by example Android-FPVDemo. I create app  with bundle id "FPVDemo" on developer center page, get app-key. On androidManifest.xml wrote package="com.dji.FPVDemo" and  api sdk key. But when run application in log file get error "get user unlock v3 info error code: 1002 message: UnAuthorized User". Please, help me solve the problem...

solved....

I'm glad you solved it !  I'm curious what the issue was and how you fixed it?  This may help someone else down the road someday!