andreymusth

class MainActivity : AppCompatActivity() {

    private val handler = Handler(Looper.getMainLooper())

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        val dynamic = findViewById<DynamicView>(R.id.dynamic1)
        val button = findViewById<Button>(R.id.button)

andreymusth

class DynamicView
@JvmOverloads constructor(
    context: Context,
    attrs: AttributeSet? = null,
    defStyleAttr: Int = 0
) : View(context, attrs, defStyleAttr) {

    private var lastUpdateTime: Long = System.currentTimeMillis()
    // ..

andreymusth

class DynamicView
@JvmOverloads constructor(
    context: Context,
    attrs: AttributeSet? = null,
    defStyleAttr: Int = 0
) : View(context, attrs, defStyleAttr) {
    
    private var animateToAmplitude = 0f
    private var amplitude = 0f
    private var deltaAmplitude = 0f

andreymusth

public class CustomView extends View {
 
  protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    // slightly change some value comparing to previous onDraw call
    // do some actual drawing using canvas
    invalidate();
  }
}

andreymusth

public static boolean canBlurChat() {
    return getDevicePerformanceClass() == PERFORMANCE_CLASS_HIGH;
}

private static int measureMaxParticlesCount() {
    switch (SharedConfig.getDevicePerformanceClass()) {
        default:
        case SharedConfig.PERFORMANCE_CLASS_LOW:
        case SharedConfig.PERFORMANCE_CLASS_AVERAGE:
            return 100;

andreymusth

public class SharedConfig {

    private static int devicePerformanceClass;
    
    public final static int PERFORMANCE_CLASS_LOW = 0;
    public final static int PERFORMANCE_CLASS_AVERAGE = 1;
    public final static int PERFORMANCE_CLASS_HIGH = 2;

    public static int getDevicePerformanceClass() {
        if (devicePerformanceClass == -1) {

andreymusth

class DateFormatter {

    private val cache = HashMap<Long, String>()

    private val months = arrayOf(
        "января",
        "февраля",
        "марта",
        "апрель",
        "мая",

andreymusth

class UserProfileActivity : AppCompatActivity(), View.OnClickListener, UserProfileView {

    private val presenter: UserProfilePresenter = UserProfilePresenterImpl(this)

    @Inject
    lateinit var api: CardInfoApi

    override fun onCreate(savedInstanceState: Bundle?) {
        App.component.inject(this)
        super.onCreate(savedInstanceState)

andreymusth

class User(val name: String)

fun main() {
    val users = HashSet<User>()
    for (i in 0 until 100) {
        users.add(User("Bob))
    }
}
// Сколько объектов будет в сете после выполнения цикла?