Hello everyone , In today’s tutorial I will show you how to how to use RadioButton group in Android. Lets go directly to the code. Let’s see the layout for the RadioGroup first. The file is named main.xml This will create a layout file with a radioGroup with 5 radioButtons and a button to clear… Read More »
Instead of using a button on the view we can use the softkeyboard done button to trigger an action. The action can include calling another activity or retrieving the data from the EditText etc. The main.xml contains an Edittext For listening to the keyboard event we need onKeyListener
Hi, In order to get the selected item name from an NSPopUpButton using in any iOS application, use the following sample of code. 🙂
Beautifying our applications is one of the main features of your application’s success. In ANDROID there are many possible ways to do this. For eg. We need to have different colors for our buttons, However we can give backgrounds for buttons and all. But we can do many by using our custom xml files, like… Read More »
This code works for all API Levels. The below code works for API level 5 or Higher…..
Hi, Sometimes you may need to create some buttons to the View using Objective C code rather than using Interface Builder. Here is how you can do that easily and efficiently. //You can create button with type. Here I am creating a Custom Button UIButton *myButton = [UIButton buttonWithType:UIButtonTypeCustom]; //Then what? Give action to be… Read More »
Hi, On many occasions you may need to use a popup button & in cocoa mac you can use NSPopUpButton objects for the same. While using a pop up button we need to identify the name of the item selected from the pop up list. But how is that done? You can use the following… Read More »
We usually see only alerts with text only, but in Adobe AIR and FLEX we can have alerts with our images in it. That’s really cool right. Take a look at this simple example. It places an image in the alert. Make sure that you have the image named “alert_image.png” in your “src” folder or… Read More »
Hello………. A button Bar is a convenient way to place your buttons in an application. It saves a lots of space in your application interface. Take a look at the following example which shows how to use the ButtonBar. An itemClickEvent is attached to each button in the ButtonBar. You can place as many buttons… Read More »
The XCTest framework is the testing framework provided by Apple for writing and running unit tests in iOS and macOS applications. It is part of the broader XCTest framework available in the Apple ecosystem. XCTest is commonly used with Swift and Objective-C to test various aspects of your code, ensuring its correctness, reliability, and maintainability.… Read More »
In SwiftUI, navigation is typically handled using the NavigationView and related components. Here’s a basic guide on how to perform navigation in SwiftUI: Basic Navigation with NavigationLink: 2. Creating NavigationLinks: 3. Creating the Destination View: 4. Putting it All Together: Passing Data with NavigationLink: 2. Receiving Data in Destination View:In the destination view, define a… Read More »
Video Tutorial Lets understand this with an example we are going to create a basic counter example here using bloc and cubit. Here are the key differences between Bloc and Cubit in Flutter: Both Bloc and Cubit are part of the broader Flutter Bloc library and adhere to the principles of reactive programming. Your choice… Read More »
In this example, we create a simple Flutter application that displays a counter and increments the count when a FloatingActionButton is pressed. The state management is handled by Riverpod. Here’s a breakdown of the code: When you run this code, you will see a simple app with an app bar, a counter in the center… Read More »
Theme extensions were introduced in Flutter 3. But what are Theme Extensions? As the name says, it helps to extend the inbuilt themes with our own extensions. Let’s jump into an example So when you create a flutter app, your basic root widget will look like this return MaterialApp( title: ‘Flutter Theme Extensions’, theme: ThemeData(… Read More »
1. Avoid Functional Widgets We usually have a situation where we need to separate out UI code from the widget, But we avoid creating a separate widget and use function which returns Widget. This practice have some benefits, like you don’t need to pass all parameters in your new widget, You have less code and less files.… Read More »
1. Placeholder Widgets Use SizedBox instead of Container as Placeholder widgets. Take a look at the below use-case return _loaded ? Container() : YourWidget(); The SizedBox is a const constructor and creates a fixed-size box. The width and height parameters can be null to indicate that the size of the box should not be constrained in the corresponding dimension.… Read More »
Let’s learn how to implement MVVM in Android. It’s actually really simple. ViewModel is just another class that that implements the main Business Logic. ViewModel is a middle man between your view and your Data class(Repo/any Data Provider). It can be represented simply like this. Here the View just displays the data. ViewModel doesn’t know… Read More »
Questions How can we create dynamic forms in Flutter? How can we access data from dynamic Forms? Watch Video Tutorial So let’s create a simple dynamic layout We are gonna create a dynamic layout with one TexField when we tap on a plus button in the AppBar. So this is how our AppBar is going… Read More »
We all at sometime have played audio in our apps, correct? But we may not have created a complete music player that will run even if the application is not running in the foreground, yes? Watch Video Tutorial So in this article we will see how we can easily create such a music player. Our… Read More »
In this article we will see how we can create a chat application in flutter using Socket IO node js server. For this we need to have a server installed with Node js Socket IO and related dependencies So let’ start with Flutter. Here we need three screens Login screen Chat Users List screen Chat… Read More »
With Providers and MultiProviders we can do easy StateManagement in Flutter. State Management in Flutter Watch Video Tutorial Add Dependencies First Go to your pubspec.yaml file add the below dependency, I would recommend to add the latest dependency version, at this moment it is 4.0.4 provider: ^4.0.4 The Providers will have Change Notifiers Consumers The Basic… Read More »
In Today’s article, we are going to see how to work with FlatLists in React Native and We will add a search bar as a header to the FlatList and filter the list, Also we will see what are spread operators and how to work with them. Note: Make sure that you install react-native-elements package.… Read More »
In this article we will see how to use a nice plugin called FlushBox in Flutter. Watch Video Tutorial First thing to do is to add dependencies. Add Dependencies Go to your pubspec.yaml file and add the below dependency. Once done that run ‘flutter packages get’ in the terminal to download the packages to be… Read More »
This article will show you how to share data from our application to another, just like when you hit share on an image inside your gallery. The system will ask you to select an application to share to. Watch Video Tutorial So we are going to achieve this in Flutter with the help… Read More »
In this tutorial we will see how to save an image as a string in preferences. Watch more flutter videos on my youtube channel here. Watch Video Tutorial Add Dependencies First thing we have to do is to add the plugins. Open pubspec.yaml file and add the below Dependencies. So Let’s start… First we will… Read More »