MainActivity.kt
package com.example.jetpack
import android.content.res.ColorStateList
import android.graphics.Color
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import kotlinx.android.synthetic.main.activity_main.*
class MainActivity : AppCompatActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
// generate background tint list for button
button2.backgroundTintList = generateColorStateList()
// modify disabled color on method
button3.backgroundTintList = generateColorStateList(
// disabled color Alabaster
disabledColor = Color.parseColor("#EDEAE0")
)
// background tint list for checkbox and radio button
materialCheckBox1.buttonTintList = generateColorStateList()
materialRadioButton.buttonTintList = generateColorStateList()
}
}
// method to generate color state list programmatically
fun generateColorStateList(
enabledColor:Int = Color.parseColor("#00BFFF"), // Capri
disabledColor:Int = Color.parseColor("#A2A2D0"), // Blue bell
checkedColor:Int = Color.parseColor("#7BB661"), // Bud green
uncheckedColor:Int = Color.parseColor("#A3C1AD"), // Cambridge blue
activeColor:Int = Color.parseColor("#1034A6"), // Egyptian blue
inactiveColor:Int = Color.parseColor("#614051"), // Eggplant
pressedColor:Int = Color.parseColor("#FFD300"), // Cyber yellow
focusedColor:Int = Color.parseColor("#00FFFF") // Aqua
):ColorStateList{
val states = arrayOf(
intArrayOf(android.R.attr.state_enabled),
intArrayOf(-android.R.attr.state_enabled),
intArrayOf(android.R.attr.state_checked),
intArrayOf(-android.R.attr.state_checked),
intArrayOf(android.R.attr.state_active),
intArrayOf(-android.R.attr.state_active),
intArrayOf(android.R.attr.state_pressed),
intArrayOf(android.R.attr.state_focused)
)
val colors = intArrayOf(
enabledColor, // enabled
disabledColor, // disabled
checkedColor, // checked
uncheckedColor, // unchecked
activeColor, // active
inactiveColor, // inactive
pressedColor, // pressed
focusedColor // focused
)
return ColorStateList(states, colors)
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/constraintLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<com.google.android.material.button.MaterialButton
android:id="@+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="32dp"
android:text="Material Button Default"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<com.google.android.material.button.MaterialButton
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="New Color States"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/button" />
<com.google.android.material.button.MaterialButton
android:id="@+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Disabled Button"
android:enabled="false"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/button2" />
<com.google.android.material.checkbox.MaterialCheckBox
android:id="@+id/materialCheckBox1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:layout_marginTop="24dp"
android:text="Check Me"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/button3" />
<com.google.android.material.radiobutton.MaterialRadioButton
android:id="@+id/materialRadioButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="24dp"
android:text="Select Me"
app:layout_constraintBottom_toBottomOf="@+id/materialCheckBox1"
app:layout_constraintStart_toEndOf="@+id/materialCheckBox1" />
</androidx.constraintlayout.widget.ConstraintLayout>