Always crashes

The app does not crash anymore after returning back from the shipment details however there are many bugs:
1- The package overview page is black! How could someone read things with black background?
2- Shipment details page does not work properly, it shows my the programmatic variables instead of their values like:
Weight : weight weightUnit
City : originCity, originCountry
The background is black as well!

M alsadi about Shop and Ship