Anko Stream Extensions

AnkoExtensions.kt

inline fun <V : View> V.alpha(alpha: Double): V {
  this.alpha = alpha.toFloat()
  return this
}

inline fun <V : View> V.backgroundColor(color: Int): V {
  backgroundColor = color
  return this
}

inline fun <V : View> V.backgroundRes(res: Int): V {
  backgroundResource = res
  return this
}

inline fun <V : View> V.background(drawable: Drawable): V {
  background = drawable
  return this
}

inline fun <V : View> V.focus(crossinline callback: V.(Boolean) -> Unit): V {
  setOnFocusChangeListener { view, b -> callback(b) }
  return this
}

inline fun <V : View> V.click(crossinline callback: V.() -> Unit): V {
  setOnClickListener { callback() }
  return this
}

inline fun <V : TextView> V.textRes(@StringRes text: Int): V {
  textResource = text
  return this
}

inline fun <V : TextView> V.hintRes(@StringRes text: Int): V {
  hintResource = text
  return this
}

inline fun <V : TextView> V.hint(text: String): V {
  this.hint = text
  return this
}

inline fun <V : TextView> V.text(text: String): V {
  this.text = text
  return this
}


inline fun <V : TextView> V.size(size: Int): V {
  textSize = size.toFloat()
  return this
}

inline fun <V : TextView> V.colorRes(@ColorRes color: Int): V {
  textColorResource = color
  return this
}

inline fun <V : TextView> V.color(@ColorInt color: Int): V {
  textColorResource = color
  return this
}

inline fun <T : TextView> T.font(@FontRes res: Int = R.font.bm_dohyeon): T {
  typeface = ResourcesCompat.getFont(context, res)
  return this
}


inline fun MaterialButton.radius(radius: Int): MaterialButton {
  cornerRadius = radius
  return this
}

inline fun MaterialButton.backgroundTintRes(@ColorRes color: Int): MaterialButton {
  backgroundTintList = ColorStateList.valueOf(context.color(color))
  return this
}

inline fun MaterialButton.backgroundTint(@ColorInt color: Int): MaterialButton {
  backgroundTintList = ColorStateList.valueOf(color)
  return this
}

Example.kt

verticalLayout {
  padding = dip(24)
  
  textView().size(14).lparams { rightMargin = dip(4) }
  button()
    .size(14)
    .colorRes(R.color.colorAccent)
    .click {
      // Click Action
    }
  
}.backgroundColor(Color.WHITE)