How to add button tint programmatically in Kotlin

In this android kotlin source code example, we are going to add button tint programmatically in Kotlin.

You can copy and adopt this source code example to your Kotlin android project without reinventing the wheel.

Below is a step by step source code to add button tint programmatically in Kotlin.

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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".Button.ButtonActivity19">

    <androidx.appcompat.widget.AppCompatButton
        android:id="@+id/tintBtn"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:background="@color/colorAccent"
        android:textColor="#ffffff"
        android:text="Tint Button"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"/>

</androidx.constraintlayout.widget.ConstraintLayout>

MainActivity.kt

import android.graphics.Color
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.appcompat.widget.AppCompatButton
import com.bluapp.kotlinview.R
import android.graphics.Color.parseColor
import androidx.core.graphics.drawable.DrawableCompat
import android.graphics.drawable.ColorDrawable
import android.graphics.drawable.Drawable

class ButtonActivity19 : AppCompatActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_button19)
        val tintBtn = findViewById<AppCompatButton>(R.id.tintBtn)
        var drawable: Drawable = ColorDrawable(parseColor("#ffffff"))
        drawable = DrawableCompat.wrap(drawable)
        DrawableCompat.setTint(drawable, parseColor("#939393"))
        tintBtn.setBackground(drawable)

    }
}

If you have any question or suggestions kindly use the comment box or you can contact us directly through our contact page below.

Add a Comment