我有一个群聊应用程序。发送新消息时，应用程序输入延迟。当某人发送邮件时，对方无法同时应答。我怎么解决这个问题？我正在使用Firebase实时数据库。我不知道问题出在哪里。问题可能是由适配器引起的吗？还是与火力基地有关？
public class FragmentHaykirma extends Fragment {
private EditText editText;
private Button buttonSend;
private RecyclerView recyclerView;
private DatabaseReference myRef;
private FirebaseDatabase database;
private FirebaseAuth mAuth;
private FirebaseUser mUser;
private List<Message> messageslist = new ArrayList<>();
private AdapterMessage adapterMessage;
private EngelDatabase engelDatabase;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
final View view = LayoutInflater.from(getContext()).inflate(R.layout.fragment_haykirma, container, false);
define(view);
getMessageData();
buttonSend.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mUser != null) {
final String messageText = editText.getText().toString().trim();
if (messageText.matches("")) {
Toast.makeText(getContext(), "Boş Mesaj Atmasanda Olur :) ", Toast.LENGTH_LONG).show();
} else {
final DatabaseReference myRefUserData = FirebaseDatabase.getInstance().getReference("Users");
final User user = new User();
final UUID uuidS = UUID.randomUUID();
final String uuid = uuidS.toString();
myRefUserData.child(mUser.getUid()).addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
user.setUserName(dataSnapshot.getValue(User.class).getUserName());
user.setUserId(dataSnapshot.getValue(User.class).getUserId());
user.setUserEmail(dataSnapshot.getValue(User.class).getUserEmail());
user.setUserImage(dataSnapshot.getValue(User.class).getUserImage());
user.setUserCity(dataSnapshot.getValue(User.class).getUserCity());
user.setUserRelationship(dataSnapshot.getValue(User.class).getUserRelationship());
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"), Locale.getDefault());
Date currentData = cal.getTime();
String sonuc = DateFormat.format("dd-MM-yyyy HH:mm", currentData).toString();
Log.e("SONUC", sonuc);
Message message = new Message();
message.setMessageBody(messageText);
message.setMessageId(uuid);
message.setMessageSenderImage(user.getUserImage());
message.setMessageTime(sonuc);
message.setMessageSenderName(user.getUserName());
message.setMessageSenderCity(user.getUserCity());
message.setUserId(user.getUserId());
myRef.child(uuid).setValue(message);
myRef.child(uuid).child("timestamp").setValue(ServerValue.TIMESTAMP);
getMessageData();
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
editText.setText("");
}
} else {
Snackbar snackbar = Snackbar.make(view, "Mesaj Atabilmek İçin Üye Olmanız Lazım Üye Olmak İçin Tıklayın", Snackbar.LENGTH_LONG).setAction("Üyelik Oluştur", new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(getContext(), LoginActivity.class));
getActivity().finish();
}
});
snackbar.show();
}
}
});
return view;
}
public void getMessageData() {
final ArrayList<Engellenenler> engellenenlerArrayList = new EngelDao().getirEngellenenler(engelDatabase);
Query query = myRef.orderByChild("timestamp");
query.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
messageslist.clear();
for (DataSnapshot ds : dataSnapshot.getChildren()) {
Message message = new Message();
message.setMessageTime(ds.getValue(Message.class).getMessageTime());
message.setMessageSenderImage(ds.getValue(Message.class).getMessageSenderImage());
message.setMessageSenderName(ds.getValue(Message.class).getMessageSenderName());
message.setMessageBody(ds.getValue(Message.class).getMessageBody());
message.setMessageSenderCity(ds.getValue(Message.class).getMessageSenderCity());
message.setUserId(ds.getValue(Message.class).getUserId());
message.setMessageId(ds.getValue(Message.class).getMessageId());
if (engellenenlerArrayList.size() > 0) {
for (Engellenenler k : engellenenlerArrayList) {
if (k.getEngellenen_name().contains(message.getUserId())) {
Log.e("SİZE", k.getEngellenen_name());
} else {
messageslist.add(message);
updateBoundedView();
recyclerView.scrollToPosition(messageslist.size() - 1);
}
}
} else {
messageslist.add(message);
updateBoundedView();
recyclerView.scrollToPosition(messageslist.size() - 1);
}
if (messageslist.size() >= 20) {
DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference("Messages");
Query sizesRef = databaseReference.orderByChild("timestamp").limitToFirst(5);
sizesRef.addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
for (DataSnapshot ds : dataSnapshot.getChildren()) {
ds.getRef().removeValue();
//adapterMessage.notifyDataSetChanged();
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
}
}
}
@Override
public void onCancelled(@NonNull DatabaseError databaseError) {
}
});
adapterMessage = new AdapterMessage(getContext(), messageslist);
recyclerView.setAdapter(adapterMessage);
updateBoundedView();
recyclerView.scrollToPosition(messageslist.size() - 1);
}
public void updateBoundedView() {
if(recyclerView!=null) {
recyclerView.post(new Runnable() {
@Override
public void run() {
if (adapterMessage != null) {
adapterMessage.notifyDataSetChanged();
}
}
});
}
}
public void define(View view) {
database = FirebaseDatabase.getInstance();
myRef = database.getReference("Messages");
mAuth = FirebaseAuth.getInstance();
mUser = mAuth.getCurrentUser();
editText = view.findViewById(R.id.editTextMessage);
buttonSend = view.findViewById(R.id.buttonSendeMessage);
recyclerView = view.findViewById(R.id.recycler_haykirma);
recyclerView.setHasFixedSize(true);
StaggeredGridLayoutManager gridLayoutManager = new StaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
// LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getContext());
// linearLayoutManager.setReverseLayout(true);
// linearLayoutManager.setStackFromEnd(true);
recyclerView.setLayoutManager(gridLayoutManager);
engelDatabase = new EngelDatabase(getContext());
}
我的适配器
public class AdapterMessage extends RecyclerView.Adapter<AdapterMessage.ViewHolderMessage> {
private Context context;
private List<Message> messageList;
private DatabaseReference myRef;
private FirebaseDatabase database;
private FirebaseAuth mAuth;
private FirebaseUser mUser;
private EngelDatabase ed;
public AdapterMessage(Context context, List<Message> messageList) {
this.context = context;
this.messageList = messageList;
}
@NonNull
@Override
public ViewHolderMessage onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(context).inflate(R.layout.recycler_message_rowa,viewGroup,false);
ed = new EngelDatabase(context);
database = FirebaseDatabase.getInstance();
myRef = database.getReference("Messages");
mAuth = FirebaseAuth.getInstance();
mUser = mAuth.getCurrentUser();
return new ViewHolderMessage(view);
}
@Override
public void onBindViewHolder(@NonNull final ViewHolderMessage viewHolderMessage, final int i) {
final Message message = messageList.get(i);
viewHolderMessage.textViewName.setText(message.getMessageSenderName());
//viewHolderMessage.textViewDate.setText(message.getMessageTime());
viewHolderMessage.textViewCity.setText(message.getMessageSenderCity());
if (message.getMessageBody().startsWith("@")){
String arr[] = message.getMessageBody().split(" ", 2);
if (arr.length > 1){
String first = arr[0];
String contu = arr[1];
Spannable spannable = new SpannableString(first+ " " +contu);
spannable.setSpan(new ForegroundColorSpan(Color.BLUE), 0, first.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
spannable.setSpan(new ForegroundColorSpan(context.getResources().getColor(R.color.colorWomen)), first.length(), first.length()+contu.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
viewHolderMessage.textViewMessage.setText(spannable);
}else {
viewHolderMessage.textViewMessage.setText(arr[0]);
}
}else {
viewHolderMessage.textViewMessage.setText(message.getMessageBody());
}
viewHolderMessage.textViewCevapla.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mUser != null){
Intent intent = new Intent(context,CevapVerActivity.class);
intent.putExtra("message",message);
context.startActivity(intent);
}else {
Snackbar snackbar = Snackbar.make(v, "Mesaj Atabilmek İçin Üye Olmanız Lazım Üye Olmak İçin Tıklayın", Snackbar.LENGTH_LONG).setAction("Üyelik Oluştur", new View.OnClickListener() {
@Override
public void onClick(View v) {
context.startActivity(new Intent(context, LoginActivity.class));
}
});
snackbar.show();
}
}
});
Picasso.get().load(message.getMessageSenderImage()).fit().into(viewHolderMessage.imageView);
viewHolderMessage.button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (mUser != null){
PopupMenu menu = new PopupMenu(context,viewHolderMessage.button);
menu.getMenuInflater().inflate(R.menu.popup_menu,menu.getMenu());
menu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
@Override
public boolean onMenuItemClick(MenuItem item) {
if (item.getItemId() == R.id.popupReport){
Intent intent = new Intent(Intent.ACTION_SEND);
intent.setData(Uri.parse("mailto"));
String[] to = {"gkhn.btby1@gmail.com"};
intent.putExtra(Intent.EXTRA_EMAIL,to);
intent.putExtra(Intent.EXTRA_SUBJECT,"Mesaj Id: " + message.getMessageId() + " " + "Mesaj Atan Id: " + message.getUserId());
intent.setType("message/rfc822");
intent = Intent.createChooser(intent,"Mail Gönder");
context.startActivity(intent);
}else if (item.getItemId() == R.id.popupEngelle){
new EngelDao().engelEkle(ed,""+message.getUserId());
}
return false;
}
});
menu.show();
}
}
});
}
@Override
public int getItemCount() {
if (messageList == null){
return 0;
}else {
return messageList.size();
}
}
public class ViewHolderMessage extends RecyclerView.ViewHolder{
private ImageView imageView;
private TextView textViewName,textViewMessage,textViewCity,textViewCevapla;
private Button button;
public ViewHolderMessage(@NonNull View itemView) {
super(itemView);
imageView = itemView.findViewById(R.id.mainMessageRowImage);
textViewCevapla = itemView.findViewById(R.id.cevaplaButtonText);
textViewName = itemView.findViewById(R.id.mainMessageRowNameText);
textViewMessage = itemView.findViewById(R.id.mainMessageRowMessageText);
textViewCity = itemView.findViewById(R.id.mainmessageRowCityText);
button = itemView.findViewById(R.id.mainMessageRowPopupBtn);
}
}
}