Sending broadcasts. Android provides three ways for apps to send broadcast: The sendOrderedBroadcast(Intent, String) method sends broadcasts to one receiver at a time. … The sendBroadcast(Intent) method sends broadcasts to all receivers in an undefined order. This is called a Normal Broadcast.

What is broadcast in Android?

Broadcast in android is the system-wide events that can occur when the device starts, when a message is received on the device or when incoming calls are received, or when a device goes to airplane mode, etc. Broadcast Receivers are used to respond to these system-wide events.

Why there is a broadcast receiver in android?

Broadcast receiver is an Android component which allows you to send or receive Android system or application events. All the registered application are notified by the Android runtime once event happens. It works similar to the publish-subscribe design pattern and used for asynchronous inter-process communication.