Overview In flutter, if you don't want users to return to the previous page, you can wrap the widget with willPopScope and write a...

Overview I will show you how to create a form for users to enter texts in the app. Method Create a new Stateful Widget. The reason is...

Overview In a smartphone app that handles user data, I would like to write about how to link the state management while using the app...

Overview When managing the state with redux, you can use StoreProvider to reflect the change of store in widget. However, the rebuild...

Overview There are many opportunities to use the calendar with a smartphone app. There are many libraries that can use calendars, but...

Overview You may want to display user data as a bar chart in your app. This time, I will introduce how to create a bar chart with...

Overview We set the crossAxisAligment property to CrossAxisAligment.stretch to expand the elements placed in the Column with Flutter to...

Overview When creating an application with Flutter, I often store user data etc. in Map (because it is troublesome to deal with index...

Overview When I was working in the kitchen, I noticed that the detergent wasn't ready. But now that I don't have my smartphone, so I'll...

Overview When making an app with Flutter, there is a situation where "I want to place a widget of a certain size and maximize the other...

Overview In the smartphone app, the menu may appear from the bottom of the screen when you select the menu, and in Flutter you can create...

Overview I think that cloud fire store is often used as a destination to store user data in smartphone apps. I would like to introduce...

Overview CheckboxListTile is useful when you want to arrange strings and checkboxes in a horizontal row. However, be careful if you want...

Overview If you want to save user information etc. in a serverless application, you probably use cloud fire store. However, only values...

It is inevitable to improve the design when creating a smartphone app. This time, I would like to consider about the design of Android...

Cards (Card and ListTile in Flutter) are often used in smartphone apps to organize information. This time I considered about the design...

Overview I use firebase's cloud firestore to store my app's data. This time, I wanted to save the Map data in the firestore, but there...

Overview When authenticating an account in a smartphone app, I think that you often use Google Sign In of firebase. However, if you...

Overview The number one housework that a man living alone does not do is to change the hanging towel. So not to forget, I made an app...

Overview Last time, I made an app that monitors the change of hanging towels using Flutter and Raspberry Pi. We also added a task to...