In this Java programming tutorial I would like to share with you a sample Java code that uses Amazon AWS SES(Simple Email Service) Java SDK to send an email message. I used this code implement Email Verification feature for my mobile app. The code below would send an email message containing an email verification link…
Read More Send Email Message Using AWS SES Java SDKIn this Kotlin programming tutorial I will share with you how to use ListView to display list of images. In my example below I will use image as an element in a ListView, but this can be any other UI element or even a view with other elements on it. Also, this example uses images…
Read More ListView of Images Example in KotlinIn this Kotlin programming tutorial I am going to share with you how to load image from a remote URL in Kotlin using Glide. Glide is probably the easiest and the most efficient way to load image to an ImageView. You can use Glide to load a local image and well as an image hosted on a remote…
Read More Load Image From a Remote URL with Kotlin and GlideIn this tutorial on Firebase and Kotlin, we will learn how to use Firebase Social Authentication API to implement User Registration feature and store user data in Firebase and then allow user to login into our mobile app using their social accounts for either Google, Twitter or Facebook. We will also learn how to fetch some user specific…
Read More Firebase Social Authentication. Example in Kotlin.In this short Kotlin programming tutorial we will learn how to create a Switch in Kotlin programmatically. In the code example below we are going to cover: Create Switch and add it to a LinearLayout Get input from the Switch when it’s state is changed Set textOff and textOn text programmatically Set OnClickListener on the…
Read More Create a Switch in Kotlin ProgrammaticallyIn this Kotlin programming tutorial I am going to share with you how to create a RadioButton in Kotlin programmatically. We will create RadioGroup of 5 radio buttons with one set as default and when the view is loaded the default RadioButton will be selected. You will also learn how to create a RadioButton which…
Read More RadioButton Example in KotlinIn this short Kotlin programming tutorial I am going to share with you how to create a CheckBox in Kotlin programmatically. You will learn how to create two checkboxes and how to read a value from CheckBox when it is selected. The code example below with cover: Create CheckBox in Kotlin programmatically, Use setOnClickListener to know when check…
Read More Create Checkbox in Kotlin ProgrammaticallyIn this short Kotlin tutorial I am going to share with you how to create a TimePicker in Kotlin programmatically and how to update text label when the value of Hours or Minutes has changed. The below code example will cover: Create TimePicker and add it to LinearLayout Get input from TimePicker when user changes the value…
Read More Create TimePicker in Kotlin ProgrammaticallyWhen you start building a mobile app most likely you will need to build pages like user Sign up and once user has successfully registered, you will need to create a Sign in page. I have created many video tutorial how to implement these pages in Swift and if you follow those you will no doubt…
Read More REST API with Java JAX-RS. Create and Deploy to Amazon Cloud.With this tutorial I wanted to share with you how to configure your Java project and it’s hibernate configuration file hibernate.cfg.xml to use a more professional and production ready connection pool provider C3P0. Hibernate’s internal connection pooling algorithm is rudimentary, and is provided for development and testing purposes. In my earlier blog posts I used…
Read More Configure Hibernate to Use C3P0 Connection PoolIn this Java tutorial I am going to share with you how to create an Anonymous java class and also how to Replace Java Anonymous Class with a shorter lambda expression. Let’s start by creating and interface which we will use in this tutorial. Our anonymous java class will implement a single method defined in this java…
Read More Replace Anonymous Java Class with Lambda ExpressionIn this Kotlin code example we will learn how to create DatePicker in Kotlin programmatically. To break it in more details the code example below will cover: Create DatePicker in LinearLayout Initialize DatePicker with current date( Year, Month and Day) When user changes the DatePicker values, call OnDateChangeListener and get input from the DatePicker Set DatePicker values…
Read More Create DatePicker in KotlinIn this tutorial on Firebase and Kotlin, we will learn how to use Firebase Authentication API to implement user Registration feature and store user data in Firebase and then allow user to login into our mobile app using their username and password. We will also use Firebase and Kotlin in this tutorial to implement Email…
Read More Firebase Authentication Example in KotlinOften in our applications we need to work with objects that contain lots class fields. To instantiate such objects is very inconvenient using class constructor and is not thread safe using the setters and getters approach. The best way out will be to use Builder design pattern and in this blog post I am going…
Read More Builder Design Pattern Example in JavaIn Kotlin you may skip and not use the findViewById( ) and still be able to refer to UI components defined in XML Layout file. There is another way. You will need to do a couple of things first: Edit your Module/ app level build.gradle file Import the data binding library into the Kotlin file (Don’t worry,…
Read More You may skip and not use the findViewById( ) in Kotlin