Dilmith Wathsala

  Broadcast receivers in Android are components that can receive and respond to broadcast messages from the Android system or other apps.  According to  android development, there are two types of broadcasts: Normal broadcasts: These are asynchronous and can be received by multiple receivers in any order. Ordered broadcasts: These are synchronous and can be received by only one receiver at a time, in an order determined by the priority of each receiver. Some of the best practices for using broadcast receivers are: Use explicit intents for local broadcasts within your app. Avoid using sticky broadcasts as they can leak sensitive data. Register receivers dynamically when possible and unregister them when not needed. Use a wake lock if you need to keep the device awake while handling a broadcast. https://youtu.be/XqjWq7kuBHI

A content provider is a component that manages access to a central repository of data. A content provider can use different ways to store its data, such as a database, files, or even over a network. To implement a content provider in Android, you need to follow some steps, such as: Define a contract class that defines constants for your content provider's URI, table name, column names, and MIME types. Extend the Content Provider class and implement its abstract methods: on Create (), query (), insert (), update (), delete (), and get Type () Register your content provider using the <provider> element in the Android manifest file. Test your content provider using a client app or the adb shell. How to define a contract class in android A contract class is a class that defines constants that help applications work with the content URIs, column names, intent actions, and other features of a content provider.  A contract class is not included automatically with a provider, but you...