Gain insights into building a Todo app with Flutter, Firebase, AdMob, and InAppPurchases. Delve into UI design, CRUD functionality, and app monetization. Publish to Google Play Store.

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This course is designed to guide you through the process of building your first app using Flutter, a popular cross-platform framework for mobile application development. The course assumes that you are familiar with the object-oriented programming paradigm, which is a fundamental programming approach used in many modern programming languages, including Dart (the language used in Flutter).

In this course, you will learn how to build a Todo app, which will have CRUD functionality. You will also learn how to design the user interface of the app using Flutter widgets and handle user input and data storage using Firebase, a popular backend-as-a-service platform. Moreover, you understand how to monetize your app by integrating AdMob and InAppPurchases. 

By the end of the course, you will have a working Todo app that you can publish on the Google Play Store. You will also have a solid foundation in using Flutter, Firebase, AdMob, and InAppPurchases to build and monetize your mobile applications.

Build and Publish Your First Mobile App Using Flutter

## Problem with the provider
We've seen how to use the provider and how it behaves. But there is a little problem with how we use the provider to rebuild the UI. When we write the following line of code, it will listen to the change in the provider (`CounterProvider`) and call the `build()` method again, which essentially rebuilds the whole UI.

```
CounterProvider counterProvider =
    Provider.of<CounterProvider>(context, listen: true);
```

 However, this is not the most efficient way. We want to avoid rebuilding the whole UI since rebuilding consumes resources, although Flutter is optimized enough for big apps or a screen that updates continuously. We want to rebuild that part of the UI where the change is tangible.

## Implementation of `Consumer`
To solve this issue, we have a `Consumer` widget from the provider package. We just need to wrap those widgets that are changing with the `Consumer` widget.

Now, let's look at the code and notice what has changed from before.

# Problem with the provider
We've seen how to use the provider and how it behaves. But there is a little problem with how we use the provider to rebuild the UI. When we write the following line of code, it will listen to the change in the provider (`CounterProvider`) and call the `build()` method again, which essentially rebuilds the whole UI.

```
CounterProvider counterProvider =
    Provider.of<CounterProvider>(context, listen: true);
```

 However, this is not the most efficient way. We want to avoid rebuilding the whole UI since rebuilding consumes resources, although Flutter is optimized enough for big apps or a screen that updates continuously. We want to rebuild that part of the UI where the change is tangible.

# Implementation of `Consumer`
To solve this issue, we have a `Consumer` widget from the provider package. We just need to wrap those widgets that are changing with the `Consumer` widget.

Now, let's look at the code and notice what has changed from before.

Learn about the Consumer widget from the provider package.

Introduction to Course

Flutter Basics

Common Widgets

Firebase Setup

State Management

AdMob and InAppPurchase

Todo App Models

Todo UI Screens

Essential Tools to Enhance Your Flutter Workflow

Publishing to the Play Store

Appendix

Consumer

Problem with the provider