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Gunaseelan A

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Basic data types of KOTLIN and simple examples.
In this section we describe the basic types used in Kotlin: numbers, characters, booleans, arrays, and strings. Numbers Kotlin handles numbers in a way close to Java, but not exactly the same. For example, there are no implicit widening conversions for numb...

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Using Button in Kotlin | Android
Though Kotlin has lot massive features to speedup the development time, here is the simple way of using Button in Android. import android.os.Bundle
import android.widget.Toast
import android.widget.Toast.LENGT...

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Getting Started on Kotlin
Kotlin is now an official language on Android. Kotlin is expressive, concise, extensible, powerful, and a joy to read and write. It has wonderful safety features in terms of nullability and immutability. If you're interested in using Kotlin, it's easy to ge...

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Simple ConstraintLayout tutorial in Android.
A ConstraintLayout is a ViewGroup which allows you to position and size widgets in a flexible way. There are currently various types of constraints that you can use: Relative positioning Margins Centering positioning Circular positioning Visibility behavior...

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Here is the simple way to show menu items on list items selected.

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Simple way to show menu items on list item get selected
Here is the most easier way to showing menu items on list items get selected.
Your Activity will look like this public class MainActivity extends AppCompatActivity {

private RecyclerView myList;
private int selectedCount;
private ArrayList lis...

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Do you know final size of this ArrayList?
I bet, You will never expect this strange answer. I am leaving it to you right now. Here is the code. Integer[] list = {2, 4, 6, 8, 10};
ArrayList integerArrayList = new ArrayList<>();
for (int i = 0; i < intege...
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