Migrate to Jetpack

[JoaquimLey]

With all the new sugary things announced at I/O'18, this is the perfect playground project to test things.

Context

This will provide way cleaner APIs and dependencies, unifying the maven paths, testing the 28-alpha versions etc.

Tasks ⚙️

• [x] Go to -> https://developer.android.com/jetpack/
• [x] Migrate all the necessary dependencies being used
• [x] Update and cleanup build.gradle, versions.gralde

UI 🎨

• Migrate app theme to Material theme

  • https://github.com/material-components/material-components-android/blob/master/docs/getting-started.md

  • style="@style/Widget.MaterialComponents.TextInputLayout.OutlineBox"

  • https://github.com/material-components/material-components-android/tree/master/demos

• Bottom sheet modal

  • https://medium.com/halcyon-mobile/implementing-googles-refreshed-modal-bottom-sheet-4e76cb5de65b

Moareee

These will have new separate issues.

• Want to try out the WorkManager to post sms tasks to the background

  • https://developer.android.com/topic/libraries/architecture/adding-components#workmanager

• Also look into the ThreadPool for other tasks:

  • https://developer.android.com/training/multiple-threads/create-threadpool#ThreadPool
    • See Also: https://developer.android.com/reference/android/app/IntentService

• Look into App bundle

  • https://developer.android.com/guide/app-bundle/build