rodrigosimoesrosa

transition = imageView.setTransitionDrawable(resourceID, R.color.firstColor, R.color.secondColor)
transition?.startTransition(3000)

rodrigosimoesrosa

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

All hex value from 100% to 0% alpha:

rodrigosimoesrosa

import java.math.RoundingMode
import kotlin.math.round

/**
 * Created by rodrigosimoesrosa.
 */
const val DIGITS = 1

fun Float.round(decimals: Int = DIGITS): Float {
    var multiplier = 1.0f

rodrigosimoesrosa

/*
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software

rodrigosimoesrosa

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >

    <!-- Shadow -->
    <item>
        <shape android:shape="oval">
            <padding
                android:bottom="1dp"
                android:left="1dp"
                android:right="1dp"