How to set SeekBar onSeekBarChangeListener in Android

In this android programming source code example, we are going to set SeekBar onSeekBarChangeListener 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 set SeekBar onSeekBarChangeListener 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.Seekbar4"
    android:layout_margin="8dp"
    android:padding="4dp">

    <TextView
        android:id="@+id/textview"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="16sp"
        android:text="Seekbar OnChangedListener"/>

    <SeekBar
        android:id="@+id/seekBar"
        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;
import android.widget.SeekBar;
import android.widget.TextView;


public class Seekbar4 extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_seekbar4);

        SeekBar seekBar = findViewById(R.id.seekBar);
        final TextView textView = findViewById(R.id.textview);
        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                textView.setText("Seekbar Changing");
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
                textView.setTextSize(25);
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                textView.setText("Text Changed");
                textView.setTextColor(getResources().getColor(R.color.colorAccent));

            }
        });
    }
}

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