Encryption and decryption in flutter
This tutorial explores the data encryption and decryption using the dart language for the flutter apps. We come across the requirements of encrypting and decrypting data when we start building real-world applications.
For supporting...
Flutter OutlinedButton Tutorial (2022)
An OutlinedButton is a button with text child and a border outline. It is also a form of TextButton with an outline. They are used in the places where the button needs medium importance....
How to generate UUID in dart / flutter
Very often, we come across the need to have UUID. UUIDs are perfect for giving unique ID to objects and resources. In this tutorial, we will see how to create UUID in dart for...
Flutter ElevatedButton Tutorial (2022)
In this tutorial, we will explore the ElevatedButton widget in Flutter. ElevatedButtons are, as the name suggests, buttons with a depth or elevation. They will stand on top of the container with a shadow....
Java JFrame Tutorial
JFrame is a java swing container that can be used to create application windows. JFrames are the top most container in the swing applications. All the GUI components like labels, comboboxes are added into...
Flutter TextButton Widget – Usage and Examples
In this tutorial, we will explore the Button widgets available in the Flutter. Compared to the previous version Flutter2, Flutter3 has updated the button widget. We will see how to use the TextButton widget...
Create animated GIF from multiple images in Java
In this tutorial, we will learn how to programmatically create animated GIF by combining multiple images in java easily. We will make use of the library gifencoder for this purpose.
Add the 'gifencoder' library to...
How to create excel files in Java
In this tutorial, we will explore the Java spreadsheet support and learn how to create Microsoft Excel .xlsx spreadsheet files using java program. For handling Excel files, we need to make use of the...
Java WebP Image Support – Read and Save WebP Images
WebP is a new generation image format developed by Google exclusively for the Web. It has both lossy and lossless compression support. When compared to the commonly used formats like JPEG, WebP has 25%-34%...
JavaFX Image Button Tutorial
In this tutorial, we will learn how to create image buttons in JavaFX. By default, there is no special component named ImageButton. However, we can easily extend the default JavaFX Button to create a...
Create your first flutter desktop application – Flutter tutorial
Flutter is the new developer-friendly cross-platform open-source framework developed by Google. The flutter community is growing and as of 2022, with flutter 3, it is stable for Android, iOS, Web and Desktop platforms! Flutter...
How to add WebP thumbnail support on Ubuntu and Linux Mint
As of writing this article, on 2022 June, there is no default support for WebP images in the Ubuntu/Linux Mint file explorers. As a result, the image file thumbnails are not rendered and we...
JavaFX ObservableList Tutorial
JavaFX ObservableList is JavaFX SDK's special implementation of List interface. It is basically an observable list that provides option to attach listeners for list content change. ObservableList has an integral role in the JavaFX...
JavaFX CheckComboBox
JavaFX CheckComboBox is a special UI control provided by ControlsFX. It is used for giving option to users to select more than one item from a Combobox. It is an extremely useful component you...
JavaFX Custom Shaped Buttons
JavaFX provides effective ways to customize the shape of most of the components. In this tutorial, we will learn how to set a custom shape for the JavaFX Button component.
Creating custom shaped buttons
We can...
How to open file explorer in java
Sometimes, we come across requirements where we need to open a particular folder or directory in the native file explorer. In this tutorial, we will see how to do that, easy and effective.
Opening file...
JavaFx DatePicker Tutorial
In this tutorial, we will talk about JavaFX DatePicker basic usage, how to format the selected date using DateTimeFormatter to string value, and customize the component using JavaFX CSS.
Using JavaFx DatePicker
DatePicker is a standard...
Java TrayIcon Tutorial (With popupmenu and images)
Trayicons are really useful widgets for interacting with the application when the main dialog is minimized/hidden or the application is running in the background. In this tutorial, let's see how to add a Java...
How to fix “trying to overwrite …, which is also in package …” issue...
Let's see how to solve the problem of apt or dpkg failing to install packages due to errors like the following. This is happening because the new package you are trying to install is...
JavaFX Application Icon Setup
All programs require a nice-looking icon or logo on the taskbar and the window to make it look professional. JavaFX provides easy ways to set up an application icon using any image of your...
