hector6872

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

  private var ratio = 1.0f

  init {
    attrs?.let {

hector6872

enum class MultiState {
  CONTENT,
  EMPTY,
  LOADING,
  ERROR
}

hector6872

class NoAnimationItemAnimator : SimpleItemAnimator() {
  override fun animateRemove(holder: RecyclerView.ViewHolder): Boolean {
    dispatchRemoveFinished(holder)
    return false
  }

  override fun animateAdd(holder: RecyclerView.ViewHolder): Boolean {
    dispatchAddFinished(holder)
    return false
  }

hector6872

class StickySectionItemDecoration(
  private val recyclerView: RecyclerView,
  private val callback: Callback
) : RecyclerView.ItemDecoration() {

  private var headerViewCache: View? = null
  private var isInLayout = false

  interface Callback {
    fun isHeader(position: Int): Boolean

hector6872

fun String.encodeBase64ToString(): String = String(this.toByteArray().encodeBase64())
fun String.encodeBase64ToByteArray(): ByteArray = this.toByteArray().encodeBase64()
fun ByteArray.encodeBase64ToString(): String = String(this.encodeBase64())

fun String.decodeBase64(): String = String(this.toByteArray().decodeBase64())
fun String.decodeBase64ToByteArray(): ByteArray = this.toByteArray().decodeBase64()
fun ByteArray.decodeBase64ToString(): String = String(this.decodeBase64())

fun ByteArray.encodeBase64(): ByteArray {
  val table = (CharRange('A', 'Z') + CharRange('a', 'z') + CharRange('0', '9') + '+' + '/').toCharArray()

hector6872

object Bus {
  // val event = Event<Any>()
}

class Event<TYPE> {
  private val handlers = arrayListOf<((TYPE) -> Unit)>()
  operator fun plusAssign(handler: (TYPE) -> Unit) {
    handlers.add(handler)
  }

hector6872

inline fun TextView.textWatcher(init: CustomTextWatcher.() -> Unit) = addTextChangedListener(CustomTextWatcher().apply(init))

@Suppress("unused")
class CustomTextWatcher : TextWatcher {
  private var _beforeTextChanged: ((CharSequence?, Int, Int, Int) -> Unit)? = null
  private var _onTextChanged: ((CharSequence?, Int, Int, Int) -> Unit)? = null
  private var _afterTextChanged: ((Editable?) -> Unit)? = null

  private var _beforeTextChangedShout: (() -> Unit)? = null
  private var _onTextChangedShout: (() -> Unit)? = null

hector6872

class ClearableAutoCompleteTextView @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null,
    defStyleAttr: Int = android.R.attr.editTextStyle)
  : AutoCompleteTextView(context, attrs, defStyleAttr) {
  private val clearDrawable: Drawable? = ContextCompat.getDrawable(context, R.drawable.ic_clear)

  init {
    clearDrawable?.setBounds(0, 0, clearDrawable.intrinsicWidth, clearDrawable.intrinsicHeight)

    setOnTouchListener { _, event ->
      if (isClearDrawableVisible() && event.action == MotionEvent.ACTION_UP) {

hector6872

# change resolution
ffmpeg -i video_1920.mp4 -vf scale=300:534 video_300.mp4

# convert
ffmpeg -i video_300.mp4 final.gif

hector6872

abstract class BaseActivity<MODEL : BaseModel<Bundle>, VIEW : BaseView, out PRESENTER : BasePresenter<MODEL, VIEW>> : KoinActivity() {
  protected abstract val presenter: PRESENTER

  override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    val arguments = (javaClass.genericSuperclass as ParameterizedType).actualTypeArguments
    val model = Class.forName(arguments.first().javaClass.toString().split(" ").last()).newInstance() 
    presenter.bind(model as MODEL, this as VIEW)
  }