Skyyo

implementation 'com.google.android.material:material:1.3.0-alpha01'

<CoordinatorLayout
  <AppBarLayout
        style="@style/Widget.MaterialComponents.AppBarLayout.Surface"
        app:liftOnScroll="true"/>

 <RecyclerView
        app:layout_behavior="com.google.android.material.appbar.AppBarLayout$ScrollingViewBehavior">

Skyyo

package com.skyyo.ext

import android.util.Log
import android.view.View

fun hideViews(vararg views: View) = views.forEach { it.visibility = View.GONE }

fun showViews(vararg views: View) = views.forEach { it.visibility = View.VISIBLE }

fun Any.log(message: String) = Log.d("vv", message)

Skyyo

package com.skyyo.ext


inline val CharSequence?.isEmail: Boolean get() = isMatch(REGEX_EMAIL)

fun CharSequence?.isMatch(regex: String): Boolean =
    !this.isNullOrEmpty() && Regex(regex).matches(this)

const val REGEX_EMAIL = "^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$"

Skyyo

package com.skyyo.ext

import android.animation.AnimatorSet
import android.animation.ObjectAnimator
import android.view.View

fun View.attentionBounce(): AnimatorSet {
    val animatorSet = AnimatorSet()

    val object1: ObjectAnimator = ObjectAnimator.ofFloat(this, "translationY", 0f, 0f, -30f, 0f, -15f, 0f, 0f)

Skyyo

package com.skyyo.ext

import android.animation.AnimatorSet
import android.animation.ObjectAnimator
import android.view.View

fun View.flipInX(): AnimatorSet {
    val animatorSet = AnimatorSet()

    val object1: ObjectAnimator = ObjectAnimator.ofFloat(this, "alpha", 0.25f, 0.5f, 0.75f, 1f)

Skyyo

package com.skyyo.ext

import android.animation.AnimatorSet
import android.animation.ObjectAnimator
import android.view.View
import android.view.ViewGroup

fun View.slideInDown(): AnimatorSet {
    val animatorSet = AnimatorSet()
    val distance = (top + height).toFloat()

Skyyo

package com.skyyo.ext

import android.animation.AnimatorSet
import android.animation.ObjectAnimator
import android.view.View

fun View.bounceIn(): AnimatorSet {
    val animatorSet = AnimatorSet()

    val object1: ObjectAnimator = ObjectAnimator.ofFloat(this, "alpha", 0f, 1f, 1f, 1f)

Skyyo

package com.skyyo.ext

import android.animation.AnimatorSet
import android.animation.ObjectAnimator
import android.view.View

fun View.fadeIn(): AnimatorSet {
    val animatorSet = AnimatorSet()

    val object1: ObjectAnimator = ObjectAnimator.ofFloat(this, "alpha", 0f, 1f)

Skyyo

  <View
        android:id="@+id/view"
        android:background="@color/colorAccent"
        android:stateListAnimator="@animator/toolbar_elevator"/>

<-- res/animator/toolbar_elevator.xml -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_selected="true">
        <objectAnimator
            android:duration="350"

Skyyo

package com.skyyo.ext

import android.app.Activity
import android.content.Context
import android.view.inputmethod.InputMethodManager
import androidx.fragment.app.Fragment


fun Fragment?.hideKeyboard() =
    (this?.activity?.getSystemService(Activity.INPUT_METHOD_SERVICE) as InputMethodManager?)?.let {