Broadcast Receivers en Content Providers zijn twee van Android's vier kerncomponenten. Broadcast Receivers reageren op systeem- en app-brede events, terwijl Content Providers data delen tussen apps. Beide stellen apps in staat om met het systeem en andere apps te interageren.
Broadcast Receivers — reageren op events
A BROADCAST RECEIVER responds to broadcast messages (events) from the system or apps:
→ system events: battery low, connectivity changed, boot completed, airplane mode, etc.
→ app events: custom broadcasts within or between apps
→ register to LISTEN for specific broadcasts and react when they occur
