Sometimes, (in fact, many times :P) you have to negate boolean expressions, and in order to do that, you write the expression and after that you go back to the beginning to add “!”, am I right? 😀
Well, you can avoid doing this, by pressing the “!” instead of Enter when you use autocomplete. Just make sure the option from the autocomplete dialog is selected (it must be blue).
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Recent Posts: My Android Solutions
If you ever wondered how to read and parse a simple JSON file stored in the assets directory of your Android project, here is a way to do it.
In this tutorial I will create a simple Sectioned RecyclerView that will show 2 sections and a few items in each section and how to move an item from one section to another. Note: For RecyclerView I used AndroidX imports and not android.support.v7.widget.RecyclerView! Setup We need to import the recycler view from AndroidX. The build.gradle…
Recently, I had to add a perfect square CardView and I wanted to achieve this without hardcoding its width and height. I happily discovered the power of ConstraintLayout and this is how I managed to create a perfect square which should work on every dimension. In my project I created a RecyclerView with 2 columns,…