yuriyskulskiy

private class Outer {

    val outerValue = "Outer value"

    inner class ReallyInnerClass {

        fun printOuterValue() {
            println(outerValue)
        }
    }

yuriyskulskiy

sealed class WeatherEvent

class Rain : WeatherEvent()

class Snow : WeatherEvent()

class Fire : WeatherEvent()

class Performer() {
    fun perform(event: WeatherEvent) {

yuriyskulskiy

class Circle(val radius:Int = 15) {

    val name = "My Circle"

    val color:Int

    init{
        color = 0x555556
    }
}

yuriyskulskiy

class Shape(
    val radius: Int = 15,
    val color: Int = 12345,
    val shapeName: String = "My Circle",
    val strokeWidth: Float = 35.55f,
    val id: Long = -1L
) 

yuriyskulskiy

class Shape(
    val radius: Int = 15,
    val color: Int = 12345,
    val shapeName: String = "My Circle",
    val strokeWidth: Float = 35.55f,
    val id: Long = -1L
)

yuriyskulskiy

fun main() {
    Shape(radius = 1)
    
    Shape(radius = 3, id = 100)
    
    Shape(radius = 3, 
        color = 121212,
        shapeName = "triangle",
        strokeWidth = 22f,
        id = 100)

yuriyskulskiy

<resources>
    ...
    <color name="neon_body">#BEFF09</color>
    <color name="neon_glow">#CBBCFF00</color>

</resources>

yuriyskulskiy

public class GradientCircularProgressBar extends View {

    public GradientCircularProgressBar(Context context) {
        super(context);
        init();
    }

    public GradientCircularProgressBar(Context context,
                                       AttributeSet attrs) {
        super(context, attrs);

yuriyskulskiy

public class GradientCircularProgressBar extends View {

    private static final int BODY_STROKE_WIDTH = 12;
    private static final int GLOW_STROKE_WIDTH = BODY_STROKE_WIDTH * 3;
    private static final int PADDING = GLOW_STROKE_WIDTH / 2;
    private static final int BODY_LENGTH = 270;
    ...

yuriyskulskiy

...
private static final int BODY_LENGTH = 270;

private float mPaddingPx;
private float mBodyStrokeWidthPx;
private float mGlowStrokeWidthPx;
...