This is complicated, so please do it at your own risk. We DO NOT provide support for these customizations.
Change app color
You can change color and fonts from /src/constants/Colors.js file.
Change app fonts
Here are the basic steps to change fonts for your application. You can read Ultimate guide to use custom fonts in react native guide on medium.com for more details.
Step 1 : Set Font Naming For Cross Platform
Change font names to match their PostScript name. If you are using True type font (.ttf ) you have to use Full name value.
Step 2 : Add Fonts to Assets
Add all the font files you want to us in /assets/fonts folder
Step 3 : Link assets using react native link
Run the command bellow in terminal/cmd
Change CTH Directory logo
Replace logo-120xxx.png file on /src/assets/images/ folder