How do I fix: 🔍 Why This Happens?

The root cause of this issue is that the Material Components theme requires specific styles to be applied to certain components. If these styles are not present, the component will throw an IllegalArgumentException.In some cases, the error may also occur if the app's theme is set to use a different

How do I fix: 🚀 How to Resolve This Issue Updating the App Theme?

Step 1: Step 1: Open your app's build.gradle file and locate the application module.Step 2: Step 2: In the application module, set the theme to use the Material Components theme by adding the following line of code: android:theme="@style/Theme.MaterialComponents".Step 3: Step 3: Save the changes to

How do I fix: Using a Custom Theme?

Step 1: Step 1: Create a custom theme by extending the MaterialComponents theme.Step 2: Step 2: In your app's build.gradle file, set the theme to use your custom theme by adding the following line of code: android:theme="@style/CustomTheme".Step 3: Step 3: Define your custom theme in a new style.xml

Software⏱️ 3 min read📅 2026-06-04

How to Fix: Error : IllegalArgumentException: The style on this component requires your app theme to be Theme.MaterialComponents

Learn how to fix: Error : IllegalArgumentException: The style on this component requires your app theme to be Theme.MaterialComponents.

Quick Answer: Try checking your system settings or restarting.

📋 Table of Contents

🔍 Why This Happens
🚀 How to Resolve This Issue
✨ Wrapping Up

Error: IllegalArgumentException: The style on this component requires your app theme to be Theme.MaterialComponents. This error occurs when you are using Material Design components in your Android application, but your app's theme is not set to use the Material Components theme.

This issue can be frustrating for developers who rely heavily on Material Design elements, as it prevents them from fully utilizing these features. However, with a simple adjustment to your app's theme, you can resolve this error and continue using Material Design components in your application.

🔍 Why This Happens

The root cause of this issue is that the Material Components theme requires specific styles to be applied to certain components. If these styles are not present, the component will throw an IllegalArgumentException.
In some cases, the error may also occur if the app's theme is set to use a different style, such as the default Android theme.

🚀 How to Resolve This Issue

Updating the App Theme

Step 1: Step 1: Open your app's build.gradle file and locate the application module.
Step 2: Step 2: In the application module, set the theme to use the Material Components theme by adding the following line of code: android:theme="@style/Theme.MaterialComponents".
Step 3: Step 3: Save the changes to the build.gradle file and rebuild your project. This should resolve the IllegalArgumentException error.

Using a Custom Theme

Step 1: Step 1: Create a custom theme by extending the MaterialComponents theme.
Step 2: Step 2: In your app's build.gradle file, set the theme to use your custom theme by adding the following line of code: android:theme="@style/CustomTheme".
Step 3: Step 3: Define your custom theme in a new style.xml file and apply it to your application.

✨ Wrapping Up

By updating your app's theme to use the Material Components theme or creating a custom theme, you can resolve the IllegalArgumentException error and continue using Material Design components in your Android application. Remember to rebuild your project after making changes to ensure that the fixes take effect.

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