app crash after activating gps

[swalesch]

Problem
the app crashes if u activate gps the first time.

How to Reproduce
testes on android v6.0.1 and a debug build

1. install a debug build on your andoid phone
2. start the app und activate the gps function
3. you will be ask for your location information, after accepting the app crash

Workaround
after the app crashed, restart it, now it will work

Acceptance Criteria
The app should not crash the first time