SeekBar

SeekBar 

***************************** Main.xml ************************

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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=".MainActivity"
    android:orientation="vertical">
<SeekBar
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:id="@+id/seek"

    android:layout_marginTop="20dp"
    />
    <TextView

        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/text"
        android:textSize="35dp"
        android:layout_marginTop="50dp"
        android:text="0"
        />


</LinearLayout>

***************************** Main.java***** ********************
package com.example.seekbar;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.widget.SeekBar;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
SeekBar seekBar;
TextView textView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        seekBar=(SeekBar) findViewById(R.id.seek);
        textView=(TextView) findViewById(R.id.text);
        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int i, boolean fromUser) {
                textView.setText(""+i);
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {
                Toast.makeText(MainActivity.this, "Start", Toast.LENGTH_LONG).show();
            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {
                Toast.makeText(MainActivity.this, "Stop", Toast.LENGTH_LONG).show();
            }
        });
    }
}