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| private void readChats() {
mUsers = new ArrayList<>();
//Create a new list object
newUserArrayList = new ArrayList<>();
reference= FirebaseDatabase.getInstance().getReference("Users");
reference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
mUsers.clear();
for(DataSnapshot snapshot : dataSnapshot.getChildren()){
User user = snapshot.getValue(User.class);
for(String id : usersList){
if(user.getId().equals(id)){
if(mUsers.size() != 0){
for(User user1 : mUsers){
if(!user.getId().equals(user1.getId())){
newUserArrayList.add(user);
break;
}
}
}else{
newUserArrayList.add(user);
}
}
}
}
userChatAdapter = new UserChatAdapter(getContext(), newUserArrayList, true);
recyclerView.setAdapter(userChatAdapter);
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
} |
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