Hi Please Help... When we press the next song button, the screen turns white, and takes me to the previous screen $.$ When we press the previous song button, it makes us quit the app. This is our MusicActivity.java file in android studio

import android.content.Intent;

import android.media.MediaPlayer;

import android.os$.$Bundle;

import android.view.MotionEvent;

import android.view.View;

import android.widget.ImageButton;

import android.widget.ImageView;

import androidx.activity.ComponentActivity;

public class MusicActivity extends ComponentActivity $\{$

ImageView img;

ImageView skipButton;

ImageView backButton;

boolean isPlaying $=$ false;

MediaPlayer musicPlayer;

private int currentSongIndex $=0$;

int$[]$ songCovers $=\{$R$.$drawable.md$,$ R$.$drawable.whatevershewants, R$.$drawable.snooze$\}$;

int$[]$ songResources $=\{$R$.$raw.million, R$.$raw.whatever, R$.$raw.snooze$\}$;

@Override

protected void onCreate$($Bundle savedInstanceState$)\{$

super.onCreate$($savedInstanceState$)$;

setContentView$($R$.$layout.musicplayer$)$;

setupButtons$()$;

img $=$ findViewById$($R$.$id$.$playpause$)$;

skipButton $=$ findViewById$($R$.$id$.$skip$)$;

backButton $=$ findViewById$($R$.$id$.$goback$)$;

musicPlayer $=$ MediaPlayer.create$($this$,$ R$.$raw.million$)$;

img.setOnClickListener$($new View.OnClickListener$()\{$

@Override

public void onClick$($View v$)\{$

togglePlayPause$()$;

$\}$

$\})$;

skipButton.setOnClickListener$($new View.OnClickListener$()\{$

@Override

public void onClick$($View v$)\{$

playNextSong$()$;

$\}$

$\})$;

backButton.setOnClickListener$($new View.OnClickListener$()\{$

@Override

public void onClick$($View v$)\{$

playPreviousSong$()$;

$\}$

$\})$;

$\}$

private void togglePlayPause$()\{$

if $($isPlaying$)\{$

musicPlayer.pause$()$;

isPlaying $=$ false;

$\}$ else $\{$

musicPlayer.start$()$;

isPlaying $=$ true;

$\}$

$\}$

private void playNextSong$()\{$

currentSongIndex $=($currentSongIndex $+1)\%$ songCovers.length;

musicPlayer.stop$()$;

musicPlayer $=$ MediaPlayer.create$($this$,$ getSongResource$($currentSongIndex$))$;

$//$musicPlayer $=$ MediaPlayer.create$($this$,$ R$.$raw.whatever$)$;

musicPlayer.start$()$;

updateSongCover$()$;

isPlaying $=$ true;

$\}$

private void updateSongCover$()\{$

int currentIndex $=$ getCurrentSongIndex$()$;

img.setImageResource$($songCovers$[$currentIndex$])$;

$\}$

private int getCurrentSongIndex$()\{$

return currentSongIndex;

$\}$

private void playPreviousSong$()\{$

currentSongIndex $=($currentSongIndex $-1+$ songCovers.length$)\%$ songCovers.length;

musicPlayer.stop$()$;

musicPlayer $=$ MediaPlayer.create$($this$,$ getSongResource$($currentSongIndex$))$;

musicPlayer.start$()$;

updateSongCover$()$;

isPlaying $=$ true;

$\}$

private int getSongResource$($int index$)\{$

return songResources$[$index$]$;

$\}$

@Override

protected void onDestroy$()\{$

super.onDestroy$()$;

if $($musicPlayer $!=$ null$)\{$

musicPlayer.release$()$;

musicPlayer $=$ null;

$\}$

$\}$

private void setupButtons$()\{$

ImageButton button$1=($ImageButton$)$ findViewById$($R$.$id$.$musichome$)$;

ImageButton button$2=($ImageButton$)$ findViewById$($R$.$id$.$playlist$)$;

button$1.$setOnClickListener$($new View.OnClickListener$()\{$

public void onClick$($View v$)\{$

Intent intent $=$ new Intent$($MusicActivity$.$this, HomeActivity.class$)$;

startActivity$($intent$)$;

$\}$

$\})$;

button$2.$setOnClickListener$($new View.OnClickListener$()\{$

public void onClick$($View v$)\{$

Intent intent $=$ new Intent$($MusicActivity$.$this, PlaylistManagement.class$)$;

startActivity$($intent$)$;

$\}$

$\})$;

$\}$

$\}$