Some helpful sites

Helpful sites that assist in the making of this project:

Android Studio. (2018). Grid View | Android Developers. [online] Developer.android.com. Available at: https://developer.android.com/guide/topics/ui/layout/gridview.html [Accessed 25 Jan. 2018].
- Shows how to add items into GridView.

Android Studio. (2018). Connect To Firebase | Android Developers. [online] Developer.android.com. Available at: https://developer.android.com/studio/write/firebase.html [Accessed 25 Jan. 2018].
- Provides tips on how to connect the app to Firebase.

Android Studio. (2018). Spinners | Android Developers. [online] Developer.android.com. Available at: https://developer.android.com/guide/topics/ui/controls/spinner.html [Accessed 25 Jan. 2018].

- Shows tips about spinners.

Firebase. (2018). Read and Write Data on Android  |  Firebase Realtime Database  |  Firebase. [online] Available at: https://firebase.google.com/docs/database/android/read-and-write [Accessed 25 Jan. 2018].

Firebase. (2018). Working With Lists of Data on Android  |  Firebase Realtime Database  |  Firebase. [online] Available at: https://firebase.google.com/docs/database/android/lists-of-data [Accessed 25 Jan. 2018].

Firebase. (2018). Download Files on Android  |  Firebase Realtime Database  |  Firebase. [online] Available at: https://firebase.google.com/docs/storage/android/download-files [Accessed 25 Jan. 2018].