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This is OK. Monthly charts are using different layout (cardsui) which uses grey background. Cards are using white background so to be visible background can't be white.
Thanks for reporting. Status FIXED.
Will be available within the next update of Fuelio.
Hi. Do you have Samsung phone? I'm using Google's Geocoder but you will find many issues with it in Android project. Google knows about them and they are not fixing them.

There are many reasons for that: you are sharing IP and network with other users and you have temporary ban for location. You can't deal with it. 

I had problems on my S2. On my Nexus 5, Galaxy Nexus or Transformer tablet everything is fine.

Probably after reboot - everything will be fine. I can't do it right now but there is whole story on android source project and StackOverflow.

I'm not using the most accurate position to save the point on map. I'm not using network provider.

Here's the link: https://code.google.com/p/android/issues/detail?id... (it's not resolved).

Reboot. That is the only one way I know for this issue.
My mail is on http://fuel.io site. Or just put here a link to your .db file (link for example from Dropbox, Google Drive).
Yes. That's why csv is more reliable. But it's not such a big problem. Send me your fuelio5.db. I'll convert it to you to version 7.
I've tested my own CSV files and I can't reproduce this bug. I've got description in the right place.
Run Fuelio and choose Settings / Export.
You should see /Fuelio/ directory in your /sdcard/ directory (not always yout SD CARD). Use for example file manager to see it.