Handling back button and providing a different functionality is always a requirement among mobile developers. Flutter also helps you to do that. Let’s see how that works. Watch Video Tutorial This is achieved with the help of a widget called “WillPopScope”. ‘WillPopScope‘ has a method call ‘onWillPop‘ which can be used to override the back button functionality and… Read More »
For Adding Google Maps in Flutter, you need the API keys for each app. Let’s Start Watch Video Tutorial Get API Key To get API key, you have to go to Google Platform Cloud Console and register your app there. Create a new project or set up a new one, the enable Google Maps to get the API… Read More »
Today in this article we will see how we can upload image to a server using Flutter. Watch Video Tutorial Add Plugins First thing we are going to need is the plugin for networking and plugin to select image from camera or gallery. Add the below plugins in the pubspec.yaml file. Import the needed… Read More »
Problem Sami’s spaceship crashed on Mars! She sends a series of SOS messages to Earth for help. Letters in some of the SOS messages are altered by cosmic radiation during transmission. Given the signal received by Earth as a string, , determine how many letters of Sami’s SOS have been changed by radiation. For example, Earth receives SOSTOT.… Read More »
Hello, welcome to another flutter tutorial. This tutorial helps you to create a top TabBar navigation with AppBar. The app will look like this below. Watch Video Tutorial This is actually simple and easy. Let’s start by creating the model class. Our model class is named “Choice“. Now we will create a list of Choices and fill it… Read More »
Carousels are an awesome way to show a list of images. We will be using a plugin to show the carousel in flutter. Watch Video Tutorial Add Plugin To use carousel we need to add the below plugin to our pubspec.yaml file https://pub.dartlang.org/packages/carousel_slider So open your pubspec.yaml file and add the plugin… … Read More »
Here is a simple example of using Gradient in Flutter. Here we are just showing a demo of how to use LinearGradient in Flutter. You can even use the RadialGradient or SweepGradient in the similar way. Watch Video Tutorial Here is the complete example of setting a LinearGradient in a Container. Please leave your valuable comments below.
This article shows how to implement Bottom navigation using Tabs in Flutter. Watch Video Tutorial For that we need to have a TabController and a TabBarView Widget. Create Tabs This is our demo tab layout widget. Create a new file name FirstTab.dart and copy the contents into it. You can create other… Read More »
Using Custom Fonts in Flutter is really easy. Watch Video Tutorial Here I have a folder named “fonts” in my project folder. I also have a font file “Roboto-Medium” in fonts folder. Register font in pubspec.yaml If you open pubspec.yaml file, you will see commented out fonts section below the file. You can uncomment… Read More »
We are going to create a simple dropdown in Flutter. Watch Video Tutorial Create Model Class We will be listing a group of company names in a dropdown. For that we should create a model class named “Company”. So we have a static function that returns an array of companies. Now we will need a list… Read More »
Hello, Stepper is an awesome widget in Flutter. It makes developers job easy by writing less code. Here we will have a UI as shown in the below screenshot. First we will create a list of 3 Steps. Each Step will have a ‘title‘, ‘content‘ and isActive property. ‘content‘ can be any Widget. To… Read More »
Hello welcome back to another flutter tutorial. Here I will be showing some quick flutter coding tips and tricks. Watch Video Tutorial # Tip 1 – Dismiss Keyboard To dismiss Keyboard, we have to set focus on a different node as shown in the example below using the Gesture Detector. # Tip… Read More »
Welcome to another Webview tutorial, In this tutorial we will see what are the other API’s available in the webview_flutter plugin. Read the part-1 of this tutorial to get an introduction on webview in flutter. Watch Video Tutorial We will be implementing the below functionalities in our webview. Show User Agent List Cookies… Read More »
We can use Webviews in Flutter with the help of webview plugins. I will be showing one of the plugins that is developed by the Flutter team. So Let’s start and we will add the dependency first Watch Video Tutorial Add dependency The plugin can be found in the below url https://pub.dartlang.org/packages/webview_flutter You have to… Read More »
Here I will show two different ways to create collapsing AppBar in flutter. Watch Video Tutorial Using NestedScrollView I have the sample image parrot.jpg in the images folder and added to pubspec.yaml. SliverAppBar expands to its expandedHeight when user scrolls the view below the AppBar. Using CustomScrollView Here we… Read More »
This article will show you how to create layouts that behave according to the user’s device, that’s a phone or Tablet. Here we will be creating two GridViews, one will be for Phones and others will be for Tablets. Watch Video Tutorial Let’s create the functions that returns the two GridViews first. Here the Phone GridView will show… Read More »
Hi This article helps you to do complex Json Parsing in Flutter or dart. Watch Video Tutorial Simple JSON I have the following json in a file named “person.json” in a folder named “json” in root of my project. To parse this json, we will create a model class named “Person”. The “fromJson” method creates a “Person” object… Read More »
For accessing CloudFireStore for Firebase, you need to have Firebase account. For that you need to go to https://console.firebase.google.com and sign up. Watch Video Tutorial # Create a project and give the details # Once you create the project, Click Add new App in the Project Settings. # Add the Details for your… Read More »
Below are the things that we are going to do. 1. Fetch data from Webservice 2. Create List of Objects from Webservice 3. Create View for each for in GridView 4. Call Webservice function in Main File with FutureBuilder. 5. Show Progress until data downloads 6. Show Error when some error happens. 7. Add Tap to the… Read More »
Hello, Flutter makes it easy to apply filters to images. This article shows one of the ways to do that. The BackdropFilter widget along with ImageFilter class helps us to achieve this effect. Watch Video Tutorial Let’s Start… Complete Code I will be showing the complete source code here and explain… Read More »
Welcome to yet another Flutter Tutorial, in this Tutorial we will see how to create a custom Progressbar using Custom Paint. Watch Video Tutorial Custom Painter class Create a new file named progress_painter.dart and create a class named ‘ProgressPainter’. This class extends the CustomPaint class and overrides two methods which needs to implemented. … Read More »
Article shows how to use Animated Containers in Flutter. AnimatedContainer are used for Implicit animations in Flutter. Here we will be investigating AnimatedContainer, AnimatedCrossFade and AnimatedOpacity. Watch Video Tutorial AnimatedContainer This by default uses Linear Interpolation to transition to the new values. Specify the duration to AnimatedCrossFade Here we will animate between two images,… Read More »
This article shows how to implement Shared Preferences in Flutter. Watch Video Tutorial Add Dependency We will be using the shared_preferences plugin from Flutter to implement this. You can go to this link and read more about it. Go to your pubspec.yaml file and add the dependency. Import plugins … Read More »
This article will explain how to use Radio Buttons in Flutter. You can do this in flutter with the help of ‘Radio’ or ‘RadioListTile’ Widgets. Watch Demo Watch Video Tutorial Let’s jump into the code. Add Radio Buttons The Below code adds two radio buttons to the UI. The… Read More »
This articles describes how easily you can rotate, scale or translate widgets in Flutter. We can do that with the help of Transform Widget. Watch Demo Below is the demo of the app that we are going to build. https://youtu.be/Fw7DJV-QlkI Watch Video Tutorial The types of Transform widgets are: Transform (default constructor) Transform.rotate Transform.scale Transform.translate 1. Rotate Our… Read More »
