In an XML layout file, here is an example of building a Text View control with appropriate style characteristics. I generated a TextView control with appropriate style characteristics directly in the XML layout file, as shown in the above code sample. If I use the style attribute, we can put all the style attributes for a specific view in a separate XML property file and refer to it in the XML layout, as seen below. Here are some mobile application development ideas that I would like to develop during this course: $1)$ Fitness Buddy $-$ App for Fitness $2)$ Voice Translation App Concept $3)$ App Concept: sports Aggregator $4)$ App Concept: Boxing Aggregator $5)$ App Concept: Cars Aggregator Examples of Android Designs and Themes: $-$ Styles & Themes are used in Android to vary the aesthetic appeal of views and beliefs and the appearance of the application that runs on our needs. Leveraging Styles and Themes can reduce code duplication and make our app lighter and more responsive. The style is a collection of attributes that affect the look and feel of a View or window, such as background color, font color, font type, font style, elevation, width, height, margin, and so on$.$ Simply put, a style is created to design a view. Color Palette for Android Styling: I can alter the application's primary theme colors on Android to meet our needs. An example of essential material development in an Android application is shown below. The styles.xml file in the res$/$values folder determines the layout. @color$/$colorPrimary @color$/$colorPrimaryDark @color$/$colorAccent I can change the application's fundamental theme colors to suit the needs. The style in Android is defined in a discrete XML resource file, which we can utilize for the Images in XML that provide the layout. Android's styles are like web design's CSS styles. In Android, a theme is committed to a complete activity or app. Android $12$ provides many new features compared to the outdated version, like screenshots, pin codes, auto$-$rotate color extraction, and many more. It is a Unix$-$like running system based on the Darwin $($BSD$)$ operating system. Styles & Themes are used in Android to vary the aesthetic appeal of views and beliefs and the appearance of the application that runs on our needs. By leveraging Styles and Themes, I can reduce duplication so that the app is lighter and more responsive. The style in Android is defined in a discrete XML resource file, which we can utilize for the images in XML that provide the layout. Android's styles are like Webb's CSS design. In an XXL layout file. Here is an example of building a TextView control with appropriate style characteristics. I generated a TextView control with appropriate style characteristics directly in the XML layout file, as seen in the above code sample. If I use the same or related TextView styles in several locations in the application in the future, we will have to update the same style in all places, which is a time$-$consuming procedure. I use the same or related editing a style attribute; I can put all the style attributes for a specific view in a separate XML property file and refer to it in the XML layout, as seen below. In Android, a theme is a theme that is committed to a complete activity or app rather than a single view, like in the previous example. When I use a style as a theme, all the style attributes that it offers are applied to the views in the activity or app. In the example of using TextviewStyle as a design for an activity, all the views in the activity have the same text style. Simply put, a style is created when an entry from such a resource file is used to design a view. I can label it a theme if I use an instance from a resource folder for the layout, activity, or app. Color Palette for Android styling: I can alter the application's primary theme colors on Android to meet the needs. An example of essential material development in Android applications is shown below. In general, the mentioned layout is determined in the Android application, which is shown below. The XML file is in the res$/$valor of the mention