IntelliJ IDEA / Android Studio key shortcuts
This is just a small productivity A4 poster with MacOS IntelliJ IDEA and Android Studio key mapping that can be placed on your wall :).
Android @IntDef Annotation Example
Android has some helpful annotations in the support library so, in this post, I will show you an example of how to use @IntDef annotation. You can use this annotation (or @StringDef annotation) instead of Enum. Steps 1. Add your constants 2. Add the @IntDef annotation and between ({ }) paranthesis, declare your constants
|
1 |
@IntDef({CONSTANT1, CONSTANT2, CONSTANT3}) |
3. Add the @Retention annotation
|
1 |
@Retention(RetentionPolicy.SOURCE) |
…
Did you know about Percent Support Library
Yes, we can finally get rid of hardcoded values or nested layouts used in order to take advantage of layout_weight. Definition Percent Support Library is a new library introduced by Google, used to set the width, height and margins for a view, using percent (%). Usage In order to use this library you have to: 1.…
Android Set Horizontal Divider to a Vertical LinearLayout
If you need to use a "list" divider, but you need it on a vertical LinearLayout instead of a List you can do this by using some attributes on the LinearLayout. It's not very straightforward as you maybe expected, but it's not very difficult either. Before starting, you have to know the 2 major things this…
Android: Add Tabs using TabLayout
In this tutorial we will see how to add tabs to a project by using TabLayout together with ViewPager, and some other new views from the design library :) Before starting I will make summary to present the main idea of creating the tabs. xml in the xml file, because we use TabLayout together with…
Android ExpandableList Move Item From Group to Another on Click
This is a simple tutorial, nothing difficult to achieve on your own, but I wanted to add this code here in case someone will need it. So, we will create an ExpandableList with items that can be moved to a new desired group when they are clicked (it's not a drag'n drop example :P). 1. Create…