juniorAndroid
What is Android BroadcastReceiver?
Updated Apr 28, 2026
Short answer
BroadcastReceiver listens to system or app events.
Deep explanation
It responds to broadcast messages like battery low or network changes. It allows apps to react to system-wide events.
Real-world example
Detecting internet connectivity changes.
Common mistakes
- Not unregistering receiver.
Follow-up questions
- What is broadcast intent?
- Static vs dynamic receiver?