Styles and Themes in Android Studio 2023: Your Step-by-Step Guide to Creating Remarkable App Designs

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Styles and Themes in Android Studio.

what is style in android studio?

In Android Studio, “style” refers to a collection of attributes that define the appearance of a UI element or a group of related UI elements. Styles can be used to set the common visual properties of multiple views in a consistent way, making it easier to manage and maintain the appearance of the app.

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A style can be defined in a style resource file, which is an XML file that contains a set of attributes and their values. A style can inherit from another style, which allows you to define a base style and then create variations by overriding specific attributes in the child style.

Styles can be applied to views in several ways, including setting the style attribute on a view or using a theme that specifies a default style for a particular type of view.

Overall, styles are an important tool for designing and customizing the appearance of Android apps. By using styles, developers can create a consistent and polished user interface that enhances the overall user experience.

What are themes in android studio?

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In Android Studio, a “theme” is a collection of styles that define the overall look and feel of an app. Themes are used to set the default visual properties of UI elements, such as colors, fonts, and backgrounds, for the entire app or for specific activities or dialogs.
Themes are defined in a style resource file, just like styles, but they use a special parent attribute called “parent” to inherit from a parent theme. The parent theme defines the default styles for the app or activity, and the child theme can override any of these styles to create a custom look and feel.

Themes can be specified in several ways, including setting the android:theme attribute in the AndroidManifest.xml file for the entire app, or setting the android:theme attribute in the layout file for a specific activity or dialog.

Overall, themes are an important tool for creating a consistent and visually appealing user interface in Android apps. By defining a theme that sets the default styles for UI elements, developers can ensure that the app has a consistent look and feel across different devices and screen sizes, and that it adheres to the design guidelines for the Android platform.

styles and themes in Android Studio with some code examples.


Styles are used to define the appearance of UI elements. They can be defined in a style resource file, which is an XML file that contains a set of attributes and their values.
Here’s an example of a style that defines the appearance of a TextView:

<!-- Define a style called "MyTextViewStyle" --> 
<style name="MyTextViewStyle">
   <item name="android:textColor">#FF0000</item> 
   <item name="android:textSize">18sp</item>
   <item name="android:textStyle">bold</item>

This style sets the text color to red (#FF0000), the text size to 18sp, and the text style to bold. These attributes can be applied to a TextView by setting the “style” attribute to “@style/MyTextViewStyle”.

 android:text="Hello World!" /> 


Themes are used to define the overall look and feel of an app. They can be defined in a style resource file, just like styles, but they use a special parent attribute called “parent” to inherit from a parent theme.
Here’s an example of a theme that defines the overall appearance of an app:

<!-- Define a theme called "MyAppTheme" --> 
<style name="MyAppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
 <item name="android:colorPrimary">#3F51B5</item>
 <item name="android:colorPrimaryDark">#303F9F</item>
 <item name="android:textColorPrimary">#FFFFFF</item>
 <item name="android:textColorSecondary">#CCCCCC</item>

This theme inherits from the AppCompat Light DarkActionBar theme, which is a popular theme for modern Android apps. It sets the primary color to blue (#3F51B5), the primary dark color to a darker shade of blue (#303F9F), and the text color for primary and secondary text to white (#FFFFFF) and light gray (#CCCCCC), respectively. This theme can be applied to the entire app by setting the “android:theme” attribute in the AndroidManifest.xml file:

 android:theme="@style/MyAppTheme" ... >

This sets the default theme for the entire app. You can also apply a theme to a specific activity or dialog by setting the “android:theme” attribute in the layout file for that activity or dialog.

 android:theme="@style/MyActivityTheme" ... >

Overall, styles and themes are powerful tools for designing and customizing the appearance of Android apps. By using styles and themes, you can create a consistent and polished user interface that enhances the overall user experience.

Related Links

Android has become one of the most popular platforms for mobile application development. With its popularity, the demand for screen-compatible applications is also increasing. In Android Studio, CardView is a UI component that is used to display content in a card-like format. It is a ViewGroup that provides a set of attributes for customizing the appearance of cards, such as corner radius, elevation, and background color. RecyclerView is one of the most powerful and flexible view widgets in Android. It is used to display a collection of data elements in a scrollable list, similar to ListView or GridView. However, RecyclerView provides several performance improvements and additional features over these older widgets. Manipulate RecyclerView that we have discussed in our previous lesson in details, is a powerful and flexible UI component that can be used in Android applications to display large sets of data efficiently.


In the expansive realm of Android app design and development, the dynamic duo of Styles and Themes emerges as an indispensable toolkit for crafting visually appealing and consistent user interfaces. As we conclude this exploration, it’s evident that Styles and Themes play a paramount role in streamlining design processes, enhancing user experiences, and fostering brand identity.

Styles and Themes are the architectural pillars upon which Android’s visual aesthetics rest. Styles encapsulate sets of attributes that define the appearance of individual UI components, ensuring consistency and efficiency in design iterations. These pre-defined attributes serve as the blueprint for achieving visual harmony across the app. In contrast, Themes encapsulate a collection of Styles, bringing together the visual elements that define an app’s overall look and feel.

The importance of adopting a coherent and organized approach to Styles and Themes cannot be overstated. By centralizing design elements, developers achieve modularity and maintainability, allowing changes to propagate seamlessly throughout the app. This modularity also extends to accommodating different device configurations, ensuring a consistent visual experience regardless of screen size or orientation.

One of the hallmarks of effective app design is user-centricity. Styles and Themes empower developers to deliver precisely that. By crafting well-defined Styles and applying them uniformly across the app, users encounter a coherent interface that feels familiar and navigable. This consistency fosters trust and comfort, elements crucial for keeping users engaged and satisfied.

Furthermore, Themes offer an avenue for expressing brand identity. An app’s visual appeal is often its first impression on users, and through thoughtfully designed Themes, developers can infuse the app with the essence of their brand. Whether it’s a playful, vibrant palette or a minimalist, sleek design, Themes provide the canvas to communicate the app’s identity to users.

A testament to the dynamism of Styles and Themes lies in their adaptability to changing design trends. As visual preferences evolve, developers can revamp the app’s appearance by making modifications to a single Style, which ripples across the entire app through the mechanism of Themes. This agility ensures that the app remains contemporary and aligned with evolving user expectations.

Android Studio, the cornerstone of Android app development, provides an intuitive interface for crafting and implementing Styles and Themes. Its visual design tools and XML-based resources simplify the process, enabling developers to focus on the artistic aspect of design. With an array of predefined Styles and the flexibility to create custom ones, Android Studio offers a comprehensive environment for every design need.

In conclusion, Styles and Themes are the artistic palette through which Android app designers and developers weave engaging and consistent visual narratives. Their synergy not only harmonizes the app’s interface but also elevates the user experience and reinforces brand identity. As Android’s design ecosystem continues to evolve, Styles and Themes remain as evergreen tools, embodying the creative spirit that drives the world of app design.

Q: 1. What are Styles and Themes in Android Studio?

A: Styles and Themes in Android Studio are powerful tools used to define and manage the visual appearance of an Android app’s user interface elements.

Q: 2. How do Styles and Themes enhance app design?

A: Styles and Themes streamline app design by centralizing visual attributes. They ensure consistency across UI components and enable quick changes for a unified look and feel.

Q: 3. What’s the distinction between Styles and Themes?

A: Styles are sets of attributes applied to individual UI elements, while Themes bundle multiple Styles to define the overall visual identity of the app.

Q: 4. Why is it important to use Styles and Themes?

A: Using Styles and Themes provides modularity, maintainability, and a consistent design language. This leads to a cohesive user experience and easier design updates.

Q: 5. How do Themes contribute to brand identity?

A: Themes allow developers to infuse an app’s design with brand elements, such as color schemes and typography, thereby reinforcing the app’s identity and enhancing user recognition.

Q: 6. Can I customize existing Styles or create my own?

A: Absolutely. Android Studio offers a variety of predefined Styles, and you can customize them or create entirely new ones to match your app’s design vision.

Q: 7. Do Styles and Themes adapt to different screen sizes?

A: Yes, Styles and Themes contribute to responsive design. They ensure that UI components adapt visually to varying screen sizes and orientations.

Q: 8. How do Styles and Themes facilitate design consistency?

A: By utilizing Styles, you can maintain consistent design attributes across the app, ensuring that UI elements share the same visual language and cohesiveness.

Q: 9. Can I update the entire app’s design using Themes?

A: Absolutely. By modifying a Style within a Theme, you can trigger a cascading effect, updating the design throughout the app, making it easy to adapt to design trends.

Q: 10. Does Android Studio provide tools for managing Styles and Themes?

A: Yes, Android Studio offers visual design tools and XML-based resources that simplify the creation, management, and application of Styles and Themes in your app.

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On the Android platform, styles and themes offer the ability to distinctively segregate the intricacies of your app’s design from its UI framework and functionality, much akin to the role of stylesheets in web design. A style resource outlines the structure and visual presentation of a user interface (UI). It can be assigned to a specific View within a layout file or to an entire Activity or application through the manifest file. In the Android context, Styles and Themes serve to modify the visual presentation of Views and overall application aesthetics in accordance with specific needs. Through the utilization of Styles and Themes, code redundancy can be minimized, leading to a more streamlined and responsive application. A style comprises a set of attributes that define the appearance and arrangement of a View or window.

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