color

These bars are part of react-native, so you need to customize it in mobile apps source code App.js file.Change this code:  renderToolbar () {             return (                 to  renderToolbar () {             return (               yourcolor'}}>Similar approach should work for footer. Also you can add style classand change more design styles, refer to documentation on how to add style sheets#mobileapps #android #ios #style #colorCredit to :  Alex T