Retrieving ApplicationContext: Application vs Singleton

Disadvantage of Application

• https://stackoverflow.com/a/38967293/12367873

Disadvantage of Singleton

• https://programmerr47.medium.com/singletons-in-android-63ddf972a7e7

Whether to use Activity or Application Context

• https://stackoverflow.com/questions/7298731/when-to-call-activity-context-or-application-context