The recycler view item clicks not working if I put recycler view inside swipe refresh layout. adding the layout and constrain layout and recycler view java logic below. In this music player app, when I try to play a song after using this Swipe to refresh layout, app crashes. I am also attachng the logcat error below
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
android:background="@color/white"
tools:context="com.siliconligase.musicplayer.MainActivity">
<com.google.android.material.appbar.AppBarLayout
android:id="@+id/appbar"
android:layout_width="0dp"
android:layout_height="?attr/actionBarSize"
android:background="?attr/colorPrimary"
android:theme="@style/ThemeOverlay.AppCompat.ActionBar"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:theme="@style/AppTheme.Toolbar">
<androidx.appcompat.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
app:menu="@menu/search_btn"
app:subtitleTextColor="#FFFFFF"
app:titleTextColor="@color/white">
</androidx.appcompat.widget.Toolbar>
</com.google.android.material.appbar.AppBarLayout>
<androidx.swiperefreshlayout.widget.SwipeRefreshLayout
android:id="@+id/refreshLayout"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="@id/homeControlWrapper"
android:paddingVertical="1dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/appbar"
app:layout_constraintVertical_bias="0.0">
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/recyclerview"
android:layout_width="0dp"
android:layout_height="0dp"
android:paddingBottom="@dimen/x_sm"
android:scrollbars="vertical"
app:layout_constraintBottom_toTopOf="@id/homeControlWrapper"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/appbar" />
</androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/homeControlWrapper"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/primary_color"
app:layout_constraintBottom_toBottomOf="parent">
private void showSongs(List<Song> songs) {
if (songs.size() == 0) {
Toast.makeText(this, "No songs", Toast.LENGTH_SHORT).show();
return;
}
// save songs
allSongs.clear();
allSongs.addAll(songs);
// update the toolbar title
String title = getResources().getString(R.string.app_name) + " (" + songs.size() + " Songs)";
SpannableStringBuilder spannableTitle = new SpannableStringBuilder(title);
spannableTitle.setSpan(new RelativeSizeSpan(0.6f), title.indexOf(" ") + 1, spannableTitle.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
Objects.requireNonNull(getSupportActionBar()).setTitle(spannableTitle);
// layout manager
recyclerview.setLayoutManager(new LinearLayoutManager(this));
// songs adapter
songAdapter = new SongAdapter(this, songs, player, playerView);
// set the adapter to recyclerview
recyclerview.setAdapter(songAdapter);
// Add long press listener to items in RecyclerView
GestureDetector gestureDetector = new GestureDetector(this, new GestureDetector.SimpleOnGestureListener() {
@Override
public void onLongPress(MotionEvent e) {
View itemView = recyclerview.findChildViewUnder(e.getX(), e.getY());
if (itemView != null) {
int position = recyclerview.getChildAdapterPosition(itemView);
showPopupMenu(itemView, position);
}
}
});
recyclerview.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
@Override
public boolean onInterceptTouchEvent(@NonNull RecyclerView rv, @NonNull MotionEvent e) {
gestureDetector.onTouchEvent(e);
return false;
}
@Override
public void onTouchEvent(@NonNull RecyclerView rv, @NonNull MotionEvent e) {
}
@Override
public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
}
});
//swipe refresh layout logic
//swipe listener
swipeRefreshLayout.setColorSchemeResources(R.color.primary_color);
swipeRefreshLayout.setOnRefreshListener(() -> {
fetchSongs();
swipeRefreshLayout.setRefreshing(false);
Toast.makeText(this, "Songs List is Refreshed", Toast.LENGTH_SHORT).show();
});
}
Logcat Error for app crash:Process: com.example.slmusicplayer, PID: 11436 java.lang.NullPointerException: Attempt to invoke virtual method 'void androidx.constraintlayout.widget.ConstraintLayout.setVisibility(int)' on a null object reference at com.siliconligase.musicplayer.SongAdapter.lambda$onBindViewHolder$0$com-siliconligase-slmusicplayer-SongAdapter(SongAdapter.java:91) at com.siliconligase.musicplayer.SongAdapter$$ExternalSyntheticLambda0.onClick(Unknown Source:6) at android.view.View.performClick(View.java:7156) at android.view.View.performClickInternal(View.java:7129) at android.view.View.access$3500(View.java:803) at android.view.View$PerformClick.run(View.java:27543) at android.os.Handler.handleCallback(Handler.java:883) at android.os.Handler.dispatchMessage(Handler.java:100) at android.os.Looper.loop(Looper.java:264) at android.app.ActivityThread.main(ActivityThread.java:7593) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)
The recycler view item clicks not working if I put recycler view inside swipe refresh layout. adding the layout and constrain layout and recycler view java logic below. In this music player app, when I try to play a song after using this Swipe to refresh layout, app crashes.