In 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…

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In 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…

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When 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 video tutorial I would like to share with you how to fix the “this class is not key value coding-compliant for the key” error message. Apparently this error…

The post How to Fix the “Class is not key value coding-compliant for the key” Error appeared first on Swift Developer Blog.

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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 Pool

In 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…

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In 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…

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Hi! With this blog post I want to share with you some more video tutorials on Xcode Tips and Tricks!  If you have not yet watched the videos in my previous…

The post Xcode Tips and Tricks to Work with Layout Constraints and Views appeared first on Swift Developer Blog.

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In 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

In this short code example below we will learn how to create ImageButton in Kotlin programmatically. A short code snippet in Kotlin below will cover: Create ImageView in a ConstraintLayout Load image from a resource Set onClickListener on ImageButton Change ImageButton image when the button is tapped For this example to work and to load an…

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In this short code example I am going to share with you how to concatenate two ArrayList in Java.  Concatenate ArrayList using addAll() function Let’s say we have these two ArrayList(s): List<String> itemsList1 = new ArrayList(Arrays.asList(“One”, “Two”)); List<String> itemsList2 = new ArrayList(Arrays.asList(“Three”, “Four”)); To concatenate the two lists together we can create a new ArrayList, and…

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