In this tutorial, you will learn how to create and display an Alert Dialog in Flutter. Creating Alert Dialog Alert Dialog is a pop-up widget in Flutter that can be used to display a message to the user. Below is a code example in Flutter that creates a very simple alert dialog with a title,…
Read More Flutter. Alert Dialog Example.There are multiple ways of adding App Icon in Flutter, and here I’m going to cover some of those methods. Method 1: Using flutter_launcher_icons Package The flutter_launcher_icons package takes in a source png file and generates icons for both iOS and Android. To learn more about the flutter_launcher_icons package check out this link. Below are short instructions…
Read More App Icon in Flutter. Ways to Generate and Change app Icon.In this Flutter tutorial, you will learn how to handle button tap events. The two most commonly used button events are onTap and onPressed. In the code snippets below, I will use the onPressed event most of the time. You can use the onTap event just the same way as onPressed. All button type widgets have…
Read More Handle Button Tap Event In FlutterIn this Flutter tutorial, you will learn about different types of Switches in Flutter. Simple/Material Switch A Switch widget takes a boolean value parameter and onChanged function parameter. Switch( value: value1, //boolean value onChanged: (val) { setState(() { value1 = val; }); }, ), Material Switch Cupertino Switch A CupertinoSwitch is exactly the same as a normal (Material) Switch…
Read More All types of Switches in FlutterIn this Flutter tutorial, you will learn how to do basic form validation in Flutter. We will go through it step by step, and you’ll learn how to use Form and TextFormField widgets in Flutter. Creating a New Flutter App First, we’ll create a new Flutter app to work with. This tutorial assumes you have…
Read More Form Validation in Flutter with a Practical ExampleWelcome to today’s tutorial where we will talk about buttons with icons in Flutter. As the slogan of Flutter says “It’s all widgets”, its no exception in this case. There are multiple ways of making and incorporating a button with icons in Flutter. We will start with the most obvious one which is the IconButton…
Read More Buttons with Icons in FlutterIn this tutorial, you will learn how to use a Radio button as well as RadioListTile in Flutter. Radio buttons are used where a user needs to select an option from a given list of values. They are an integral part of all digital UIs and in Flutter, there’s a widget for that! Yes, Radio is…
Read More Radio, RadioListTile in Flutter – ExplainedIn this tutorial, you will learn how to use change the background color of the top App Bar in Flutter. To change the background color of the AppBar widget in Flutter, we use its backgroundColor property. AppBar( backgroundColor: Colors.red ), // AppBar Below is a very simple Flutter app example, that uses the above code snippet…
Read More Changing AppBar Background Color in FlutterIn this tutorial, I am going to create a very simple Flutter app and run it on both, iOS and Android simulator. To be able to create even a very simple Hello World app in Flutter, you will need to have Flutter SDK installed on your computer. If you have not done so yet, then…
Read More Hello World App in FlutterThis tutorial will teach you how to start your Spring Boot Web application on a different port number. Read the following tutorial to learn how to start your Spring Boot application on a random port number. By default, if no port number is configured, our Spring Boot Web application will start on port number 8080.…
Read More Start Spring Boot Application on a Different Port NumberThis tutorial will teach you how to configure your Spring Boot application to log messages to a file. Specify File Path To make your application log messages to a file, you will need to configure a couple of new properties in the application.properties file. logging.file.path=/path/to/a/file logging.file.name=log.txt You might also need to enable a specific logging level…
Read More Log to File in Spring BootIn this short tutorial, I am going to share with you how to switch your Spring Boot application, at runtime, to use a different logging level. Set Logging Level for a Package in Your App Suppose we have a Spring Boot Application with the following method in a Rest Controller class. @RestController @RequestMapping(“/users”) public class…
Read More Switch Logging Level in Spring Boot at RuntimeIn this short tutorial, you will learn how to configure the /logout functionality in your Spring Boot Web application that uses OAuth2 Social Login. To learn how to implement the OAuth2 Social login feature, please check the following tutorial: Spring Security OAuth 2 Social Login. Configure HttpSecurity Applications that use Spring Security and OAuth2 Social login…
Read More Spring Security OAuth 2 Social LogoutIn this tutorial, you will learn how to add a Social Login(OAuth 2) feature into your Spring MVC Web application. This will allow users to login to your application with their social network accounts like Facebook, Google, or other large services that support OAuth 2 like for example GitHub. Spring Security 5 offers very good…
Read More Spring Security OAuth 2 Social LoginIn this short tutorial, you will learn how to read an ID Token in your Spring Boot Web Application @Controller class. The ID Token is a security token that is issued by the Identity Provider Server and it contains information about the currently authenticated user. For example, from the ID token, you can get the…
Read More Reading OAuth2 ID Token in Spring MVC