Material Theme is a user interface style that determines the look and feel of views and activities starting with Android 5.0 (Lollipop). This XML file resides under Once your style is defined, you can use it in your XML Layout file using To understand the concept related to Android Style, you can check Android supports style Inheritance in very much similar way as cascading style sheet in web design.

In Android, 'themes' are an easy way to apply consistent formatting to your user interface (UI.) This is because it provides quality code editing tools, debugging, performance tooling, and a flexible built-in system which ensures the building of unique and high-quality applications.A theme is basically described as a style applied to an entire activity or an application by software programmers. Generally, the style is a combination of multiple attributes such as background color, font color, font size, font style, height, width, padding, margin, etc. By using Styles and Themes we can reduce the code duplication and make our app light & responsive.

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