Multi-Themes Using Riverpod in Flutter

Everyone is using Flutter, which is an integral task in handling everything. Of course, mobile apps are widely used because of their unique functionalities. There is an app for almost everything to handle well. It may be flexible enough and get into the UI and UX designs that keep well.

They begin to carry out more things and evaluate based on the user to create a more personalized and comfortable experience with the app. You have to hire Flutter developer to handle multi themes in Flutter accordingly.

The Riverpod takes a complete app to revolutionize the multi-themes forever. They come with more options to explore with dark and light modes forever. They will introduce such things to evaluate based on the opening.

It quickly supports the basic dark and light mode themes for riverpod in Flutter designs. It is designed according to the requirements and will carry about the same use case forever.

Dark and light theme mode often takes the best solution for handling many applications. It includes basic dark and light modes that are carried out immediately for Apple in WWDC introduced in dark mode. It will visualize based on the blank home screen page, and the widget should handle well on the material app for riverpod. They come with more themes to prefer the Riverpod in a Flutter.

Creating Themes

Of course, it will create themes that work well by including a new folder style for creating dark and light modes. While creating a class named style, it carries out style. Dart file and flexible enough to get into the class theme creation. It functions basically by working on the property to make it comfortable.

Understanding the ThemeData

Themedata center should be flexible enough and maintain the overall visual Theme. It includes the best possible thing to evaluate based on the app designs. Riverpod has to take theme property by focusing on better configuration.

It includes an appearance on the entire app. The ThemeData has to create a new solution and change it within the app theme. So, it includes basic properties by focusing on official Flutter doc theme data to set out theme data forever.

Also Read: Adding SVG Images In Flutter App

Handle the alternative and configure apps using ThemeData

ThemeData magnificence defines the configuration of the general visible Theme for a MaterialApp or a Flutter widget sub-tree in the app. This MaterialApp subject matter belongings may be used to configure the arrival of the complete app.

ThemeData has the subsequent homes we can alternate and configure the app’s subject matter. Below are the fundamental homes of the ThemeData that we will configure. All these homes are self-explanatory. You can examine them approximately withinside the reliable flutter doc — ThemeData.

Create a Light Mode Theme

Of course, creating a light theme mode should take build context as the basic parameter. It takes a full pledge solution and includes a back type option. It will be configured mainly by working on the features to be established. It will assign the hues to the themedata and go back to this themedata. It will be accomplished based on uploading the subsequent code to the feature.

A not unusual place Function for Different Themes

It allows users to create a Flutter app development in the riverpod by focusing on controlled subjects. It should be amazing and able to find parameters in focusing on features. It will record them with alternative colorful things to explore about placing the subject in the riverpod.

Returning the Correct Theme as required

Themedata should be flexible and carried out with statistics. They include the foremost thing and use the switch option. It will go back to theme data connected with choosing distinct outcomes. Thus, it should be easier for you to get into those capabilities for handling the features well. Thus, the Theme for riverpod takes a complete level in choosing pinnacle-focused values.

Custom TextTheme

Using custom color is simplest than 1/2 of a part of our theming journey. Let us additionally create a custom TextTheme that may be used to subject matter the textual content of the app.

Inside the Styles magnificence itself on the pinnacle, we could create a default textual content fashion that we can edit to create custom textual content subject matter.

Understanding TextTheme

Just like ThemeData allows in configuring the general visible look of the app. TextTheme allows in Configuring universal textual content of the app. We can use TextTheme to determine the sort of textual content you need.

Creating Custom TextThemes

Add the subsequent feature and the cease of your Styles magnificence. In this feature, we personalize the above created _defaultTextStyle and assign them to the parameters of TextTheme.

We use the copy with the approach in this feature to regulate the _defaultTextStyle and feature to alter the font length and color. You are loose to test all of the configurations here. That’s it. We’re carrying out developing the Styles and Theme configuration. Our Styles and Themes are prepared for use inside our utility.

Also Read: Why Choose Flutter for MVP Development in 2023?

Adding Riverpod to Project

Next, we can use riverpod to choose and upload the above-created subject matters into our utility. We could begin by including riverpod dependencies in our pubspec. yaml document below the dependencies phase as follows. You could have a one-of-a-kind model; however, as long as it is above 2. zero. 2, you’re right to go.

Creating ThemeProvider

Let’s create a Theme Provider so that it will assist us in offering the subject matter that we’ve got decided on to our complete app. upload a non-public variable so that it will maintain the int price of the chosen subject matter to be handed to the themeData feature withinside the Styles magnificence. Let’s provide zero because of the default price.

Create a folder named Provider and create a new document named theme_provider.dart. Add a category named ThemeProvider, which implements ChangeNotifier inside this document. This will assist us in informing while the chosen subject matter is modified and adjustments could be delivered to the utility.

First of all create a function that provide the theme according to the index provided

static TextTheme textTheme(BuildContext context) {
   return TextTheme(
     headline1: _defaultTextStyle.copyWith(
         fontSize: 100,
         color: Theme.of(context).indicatorColor,
         fontWeight: FontWeight.w200),
     headline2: _defaultTextStyle.copyWith(
         fontSize: 25, color: Theme.of(context).indicatorColor),
     headline3: _defaultTextStyle.copyWith(
         fontSize: 16, color: Theme.of(context).indicatorColor),
     headline4: _defaultTextStyle.copyWith(
         fontSize: 18, color: Theme.of(context).indicatorColor),
     headline5: _defaultTextStyle.copyWith(
         fontSize: 14, color: Theme.of(context).indicatorColor),
     bodyText1: _defaultTextStyle.copyWith(
         fontSize: 13, color: Theme.of(context).indicatorColor),
     bodyText2: _defaultTextStyle.copyWith(
         fontSize: 20, color: Theme.of(context).indicatorColor),
     subtitle1: _defaultTextStyle.copyWith(
         fontSize: 12, color: Theme.of(context).hintColor),
     subtitle2: _defaultTextStyle.copyWith(
         fontSize: 10, color: Theme.of(context).hintColor),


1. Wrapping the widget inside ProviderScope : In the main.dart wrap the widget that you pass inside the runApp function with a ProviderScope widget

void main() {
runApp(ProviderScope(child: MultithemeRiverpod()));

2.Add theme index inside Riverpod

int _themeIndex = 0;

3.Then wrap material app with consumer

 Widget build(BuildContext context) {
   return Consumer(builder: (context, ref, child) {
    // Create a theme notifier variable to use the index
     return MaterialApp(
       // Todo: Add theme styles here
       debugShowCheckedModeBanner: false,
       home: HomeScreen(),

4.Then create themeNotifier for notify the theme to the function of themes

final themeNotifer =;

Call the themeData function from theme:

theme: styles.themeData(themeNotifer.themeIndex, context),

5.Do not forget to initialize the style variable

Styles styles = Styles();

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In the end, we could create a feature that will assist us in assigning the int price to the non-public variable created on the pinnacle. This feature takes an int price as a parameter and assigns that price to a non-public int variable. We notify Listeners so that our widget and alertness pay attention to the adjustments that took place. Create an international variable under the ThemeProvider magnificence to make our subject matter issuer reachable throughout the utility.

You now get the idea of the multithemes using the riverpod in Flutter. If you still have any questions, feel accessible to partner with the best Flutter apps development company like Bosc Tech Labs, which has an expert team who is always ready to help you with their skills, knowledge, and experience. Hence, they will showcase the perfect path to meet your project requirements.

Frequently Asked Questions (FAQs)

1. What is Riverpod state provider in Flutter?

StateProvider is the provider which will expose the method to modify its state. It is just a simplification of StateNotifierProvider, created to ignore writing a StateNotifier class for simple use cases. Stateprovider exists primarily to grant the modification of a simple variable by a user interface.

2. How many kinds of providers are there in Flutter?

State management with the provider usually has three significant components: ChangeNotifier class in Flutter, ChangeNotifierProvider, and the consumer widgets.

3. Is Riverpod better than BLoC?

Riverpod is an excellent state management package that is, on certain occasions, simple than the BLoC. It gives the same level of documentation, and many people are starting to pick it up in real-world apps. Hence, the dependency injection has higher standards than the bloc’s.

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