A Content Provider is a component that interacts with a SQLIteOpenHelper or repository. It acts as a mediator between ContentResolver and SQLiteOpenHelper The app don’t know that where is data stored and in which format it is stored and from where the data is coming accessed into the app. A content provider: Offers the following features to...Read More

Shared preferences are used to read and write small amounts of primitive data in the form of key/value pairs to a file on the device storage. The SharedPreference class provides APIs for getting a handle to a preference file and for reading, writing, and managing this data. The shared preferences are managed by the Android...Read More

Whenever you want to display a large number of items in a scrollable list, most items are not visible. For example, in a long list of words or many news headlines, list of products from the ecommerce website the user only sees a small number of list items at a time. The RecyclerView class is...Read More

Menu’s are used to provide a familiar and consistent user experience, you should use the Menu  to present user actions and other options in your activities. such as searching for information, saving information, editing information, or navigating to a screen. Types of menus: Options menu and app bar : Options menu: Appears in the app bar and...Read More