How to change SeekBar thumb drawable in Android

In this android programming source code example, we are going to change SeekBar thumb drawable in Android.

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

Below is a step by step source code to change SeekBar thumb drawable in Android.

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    android:orientation="vertical" 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=".seekbar.Seekbar12"
    android:layout_margin="8dp"
    android:padding="4dp">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="16sp"
        android:text="Seekbar Thumb"/>

    <SeekBar
        android:id="@+id/seekBar"
        android:thumb="@android:drawable/gallery_thumb"
        style="@style/Widget.AppCompat.SeekBar.Discrete"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:max="10"
        android:progress="3" />

</LinearLayout>

MainActivity.java

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;


public class Seekbar12 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_seekbar12);
    }
}

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