Play Audio From Url in Android Studio

public class BodyActivity extends AppCompatActivity {

    TextView tvBody, tvTitle;
    ImageView imageView;

    // AudioPlay
    ImageView imgPlayerControl;
    TextView textCurrentTime, textTotalDuration;
    SeekBar seekBar;
    MediaPlayer mediaPlayer;
    Handler handler = new Handler();
    Runnable runnable;

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

        Intent intent = getIntent();
        String bid = intent.getStringExtra("bId");

        tvBody = findViewById(R.id.tv_body);
        tvTitle = findViewById(R.id.tv_title);
        imageView = findViewById(R.id.img_body);

        retriveData(bid);

        //AudioPlay

        imgPlayerControl = findViewById(R.id.img_play_control);
        textCurrentTime = findViewById(R.id.tv_current_time);
        textTotalDuration = findViewById(R.id.tv_balance_time);
        seekBar = findViewById(R.id.seekBar);

        mediaPlayer = new MediaPlayer();

        imgPlayerControl.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if(mediaPlayer.isPlaying()){
                    mediaPlayer.pause();
                    imgPlayerControl.setImageResource(R.drawable.ic_play);
                }else {
                    mediaPlayer.start();
                    imgPlayerControl.setImageResource(R.drawable.ic_pause);
                    updateSeekbar();
                }
            }
        });

        prepareMediaPlayer();

        seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int i, boolean b) {
                if(b){
                    mediaPlayer.seekTo(i);
                    seekBar.setProgress(i);
                }
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });

    }

    private void prepareMediaPlayer(){

        Uri uri = Uri.parse("https://www2.cs.uic.edu/~i101/SoundFiles/BabyElephantWalk60.wav");
        mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
        mediaPlayer.reset();

        try {
            mediaPlayer.setDataSource(BodyActivity.this,uri);
        }catch (Exception exception){
            Toast.makeText(this, exception.getMessage(), Toast.LENGTH_SHORT).show();
        }

        mediaPlayer.prepareAsync();

        mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
            @Override
            public void onPrepared(MediaPlayer mp) {

                seekBar.setMax(mp.getDuration());

                textTotalDuration.setText(milliSecondsToTimer(mp.getDuration()));

                mp.setVolume(0.5f, 0.5f);
                mp.setLooping(false);
            }
        });

        mediaPlayer.setOnBufferingUpdateListener(new MediaPlayer.OnBufferingUpdateListener() {
            @Override
            public void onBufferingUpdate(MediaPlayer mp, int i) {
                double ratio = i / 100.0;
                int bufferingLevel = (int) (mp.getDuration() * ratio);
                seekBar.setSecondaryProgress(bufferingLevel);
            }
        });


    }

    private void updateSeekbar(){

        if(mediaPlayer.isPlaying()){

            int currPos = mediaPlayer.getCurrentPosition();
            seekBar.setProgress(currPos);

            runnable = new Runnable() {
                @Override
                public void run() {
                    updateSeekbar();
                    long currentDuration = mediaPlayer.getCurrentPosition();
                    textCurrentTime.setText(milliSecondsToTimer(currentDuration));
                    textTotalDuration.setText(milliSecondsToTimer(mediaPlayer.getDuration() - currentDuration));
                }
            };

            handler.postDelayed(runnable,100);

        }
    }

    private String milliSecondsToTimer(long milliSeconds){
        String timerString = "";
        String secondsString;

        int hours = (int) (milliSeconds / (1000 * 60 * 60));
        int minutes = (int) (milliSeconds % (1000 * 60 * 60)) / (1000 * 60);
        int seconds = (int) ((milliSeconds % (1000 * 60 * 60)) % (1000 * 60) / 1000);

        if(hours > 0){
            timerString = hours + ":";
        }

        if(seconds < 10){
            secondsString = "0" + seconds;
        }else {
            secondsString = "" + seconds;
        }

        timerString = timerString + minutes + ":" + secondsString;
        return timerString;
    }

    private void retriveData(String bid) {

        FirebaseDatabase.getInstance().getReference().child("SiddhaMedicine").child("Surgery").child(bid).addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot snapshot) {

                String x  = snapshot.child("Body").getValue().toString();
                String y = x.replace("n","\r\n\n");

                tvTitle.setText(snapshot.child("Title").getValue().toString());
                tvBody.setText(y);

                Glide.with(BodyActivity.this).load(snapshot.child("ImgUrl").getValue().toString()).placeholder(R.drawable.ic_launcher_background).into(imageView);

            }

            @Override
            public void onCancelled(@NonNull DatabaseError error) {

            }
        });

    }
}