A library that let you implement double-layer-layout changing with slide animation

dependencies {
  implementation "com.github.skydoves:cameleonlayout:1.0.0"
}

cameleonLayout.setSecondLayout(R.layout.layout_second) // set the second layout
cameleonLayout.drawSecondLayout() // start drawing second layout

override fun onFilledStatusChanged(status: FilledStatus) {
   when(status) {
      is FilledStatus.UnFilled ->  Toast.makeText(this, "unFilled", Toast.LENGTH_SHORT).show()
      is FilledStatus.Loading ->  Toast.makeText(this, "Loading", Toast.LENGTH_SHORT).show()
      is FilledStatus.Filled -> {
          cameleonLayout.eraseSecondLayout() // erase the second layout gradually when be Filled.
          Toast.makeText(this, "Filled", Toast.LENGTH_SHORT).show()
       }
   }
}

override fun onClick(status: FilledStatus) {
    when(status) {
       is FilledStatus.UnFilled -> cameleonLayout.drawSecondLayout()
       is FilledStatus.Loading ->  Toast.makeText(this, "clicked onLoading", Toast.LENGTH_SHORT).show()
       is FilledStatus.Filled -> Toast.makeText(this, "clicked onFilled", Toast.LENGTH_SHORT).show()
   }
}

<?xml version="1.0" encoding="utf-8"?>
<com.skydoves.cameleonlayout.CameleonLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/cameleonLayout1"
    android:layout_width="140dp"
    android:layout_height="110dp"
    android:background="@drawable/gradient_purple"
    android:layout_gravity="center_horizontal"
    android:layout_marginTop="15dp"
    app:secondLayout="@layout/layout_thumbnail1"
    app:maxProgress="100"
    app:density="2"
    app:duration="1000"
    app:delay="2000"
    app:autoUnFill="true"
    app:drawOnBack="false">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@android:color/black"
            android:alpha="0.6"/>

        <TextView
            android:id="@+id/item_episode_coin"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textColor="@android:color/white"
            android:text="glance"
            android:layout_centerInParent="true"
            android:textStyle="bold"
            android:textSize="25sp"/>
    </RelativeLayout>
</com.skydoves.cameleonlayout.CameleonLayout>