RecyclerView项目在用户发送消息时显示多个项目接收方仅获得一个项目（正常）
这是我的代码
聊天活动
public class ChatActivity extends AppCompatActivity {
private String messageReceiverID, messageReceiverName, messageReceiverImage, messageSenderID;
private TextView userName, userLastSeen;
private CircleImageView userImage;
private Toolbar ChatToolBar;
private FirebaseAuth mAuth;
private DatabaseReference RootRef;
private ImageButton SendMessageButton, SendFilesButton;
private EditText MessageInputText;
private ProgressDialog loadingBar;
private final List<Messages> messagesList = new ArrayList<>();
private LinearLayoutManager linearLayoutManager;
private MessageAdapter messageAdapter;
private RecyclerView userMessagesList;
private String saveCurrentTime, saveCurrentDate;
private String checker = "", myUrl = "";
private StorageTask uploadTask;
private Uri fileUri;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_chat);
mAuth = FirebaseAuth.getInstance();
messageSenderID = mAuth.getCurrentUser().getUid();
RootRef = FirebaseDatabase.getInstance().getReference();
messageReceiverID = getIntent().getExtras().get("visit_user_id").toString();
messageReceiverName = getIntent().getExtras().get("visit_user_name").toString();
messageReceiverImage = getIntent().getExtras().get("visit_image").toString();
IntializeControllers();
userName.setText(messageReceiverName);
Picasso.get().load(messageReceiverImage).placeholder(R.drawable.profile_image).into(userImage);
SendMessageButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
SendMessage();
}
});
DisplayLastSeen();
SendFilesButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
CharSequence options[] = new CharSequence[]
{
"Images",
"PDF Files",
"Ms Word Files"
};
AlertDialog.Builder builder = new AlertDialog.Builder(ChatActivity.this);
builder.setTitle("Select The File");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int i) {
if (i == 0) {
checker = "image";
Intent intent = new Intent();
intent.setAction(Intent.ACTION_GET_CONTENT);
intent.setType("image/*");
startActivityForResult(intent.createChooser(intent, "Select Image"), 438);
}
if (i == 1) {
checker = "pdf";
Intent intent = new Intent();
intent.setAction(Intent.ACTION_GET_CONTENT);
intent.setType("application/pdf");
startActivityForResult(intent.createChooser(intent, "Select Pdf File"), 438);
}
if (i == 2) {
checker = "docx";
Intent intent = new Intent();
intent.setAction(Intent.ACTION_GET_CONTENT);
intent.setType("application/msword");
startActivityForResult(intent.createChooser(intent, "Select Ms Word File"), 438);
}
}
});
builder.show();
}
});
}
private void IntializeControllers() {
ChatToolBar = (Toolbar) findViewById(R.id.chat_toolbar);
setSupportActionBar(ChatToolBar);
ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setDisplayShowCustomEnabled(true);
LayoutInflater layoutInflater = (LayoutInflater) this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View actionBarView = layoutInflater.inflate(R.layout.custom_chat_bar, null);
actionBar.setCustomView(actionBarView);
userName = (TextView) findViewById(R.id.custom_profile_name);
userLastSeen = (TextView) findViewById(R.id.custom_user_last_seen);
userImage = (CircleImageView) findViewById(R.id.custom_profile_image);
SendMessageButton = (ImageButton) findViewById(R.id.send_message_btn);
SendFilesButton = (ImageButton) findViewById(R.id.send_files_btn);
MessageInputText = (EditText) findViewById(R.id.input_message);
messageAdapter = new MessageAdapter(messagesList);
userMessagesList = (RecyclerView) findViewById(R.id.private_messages_list_of_users);
linearLayoutManager = new LinearLayoutManager(this);
userMessagesList.setLayoutManager(linearLayoutManager);
userMessagesList.setAdapter(messageAdapter);
loadingBar = new ProgressDialog(this);
Calendar calendar = Calendar.getInstance();
SimpleDateFormat currentDate = new SimpleDateFormat("MMM dd, yyyy");
saveCurrentDate = currentDate.format(calendar.getTime());
SimpleDateFormat currentTime = new SimpleDateFormat("hh:mm a");
saveCurrentTime = currentTime.format(calendar.getTime());
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 438 && resultCode == RESULT_OK && data != null && data.getData() != null)
;
{
loadingBar.setTitle("Sending Image");
loadingBar.setMessage("Please wait, Sending Image In Progress...");
loadingBar.setCanceledOnTouchOutside(false);
loadingBar.show();
fileUri = data.getData();
if (!checker.equals("image")) {
StorageReference storageReference = FirebaseStorage.getInstance().getReference().child("Document Files");
final String messageSenderRef = "Messages/" + messageSenderID + "/" + messageReceiverID;
final String messageReceiverRef = "Messages/" + messageReceiverID + "/" + messageSenderID;
DatabaseReference userMessageKeyRef = RootRef.child("Messages")
.child(messageSenderID).child(messageReceiverID).push();
final String messagePushID = userMessageKeyRef.getKey();
final StorageReference filePath = storageReference.child(messagePushID + "." + checker);
filePath.putFile(fileUri).addOnCompleteListener(new OnCompleteListener<UploadTask.TaskSnapshot>() {
@Override
public void onComplete(@NonNull Task<UploadTask.TaskSnapshot> task) {
if (task.isSuccessful()) {
Map messageTextBody = new HashMap();
messageTextBody.put("message", task.getResult().getDownloadUrl().toString());
messageTextBody.put("name", fileUri.getLastPathSegment());
messageTextBody.put("type", checker);
messageTextBody.put("from", messageSenderID);
messageTextBody.put("to", messageReceiverID);
messageTextBody.put("messageID", messagePushID);
messageTextBody.put("time", saveCurrentTime);
messageTextBody.put("date", saveCurrentDate);
Map messageBodyDetails = new HashMap();
messageBodyDetails.put(messageSenderRef + "/" + messagePushID, messageTextBody);
messageBodyDetails.put(messageReceiverRef + "/" + messagePushID, messageTextBody);
RootRef.updateChildren(messageBodyDetails);
loadingBar.dismiss();
}
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
loadingBar.dismiss();
Toast.makeText(ChatActivity.this, e.getMessage(), Toast.LENGTH_SHORT).show();
}
}).addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
@Override
public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {
double p = (100.0 * taskSnapshot.getBytesTransferred()) / taskSnapshot.getTotalByteCount();
loadingBar.setMessage((int) p + " % Uploading....");
}
});
} else if (checker.equals("image")) {
StorageReference storageReference = FirebaseStorage.getInstance().getReference().child("Image Files");
final String messageSenderRef = "Messages/" + messageSenderID + "/" + messageReceiverID;
final String messageReceiverRef = "Messages/" + messageReceiverID + "/" + messageSenderID;
DatabaseReference userMessageKeyRef = RootRef.child("Messages")
.child(messageSenderID).child(messageReceiverID).push();
final String messagePushID = userMessageKeyRef.getKey();
final StorageReference filePath = storageReference.child(messagePushID + "." + "jpg");
uploadTask = filePath.putFile(fileUri);
uploadTask.continueWithTask(new Continuation() {
@Override
public Object then(@NonNull Task task) throws Exception {
if (!task.isSuccessful()) {
throw task.getException();
}
return filePath.getDownloadUrl();
}
}).addOnCompleteListener(new OnCompleteListener<Uri>() {
@Override
public void onComplete(@NonNull Task<Uri> task) {
if (task.isSuccessful()) {
Uri downloadUrl = task.getResult();
myUrl = downloadUrl.toString();
Map messageTextBody = new HashMap();
messageTextBody.put("message", myUrl);
messageTextBody.put("name", fileUri.getLastPathSegment());
messageTextBody.put("type", checker);
messageTextBody.put("from", messageSenderID);
messageTextBody.put("to", messageReceiverID);
messageTextBody.put("messageID", messagePushID);
messageTextBody.put("time", saveCurrentTime);
messageTextBody.put("date", saveCurrentDate);
Map messageBodyDetails = new HashMap();
messageBodyDetails.put(messageSenderRef + "/" + messagePushID, messageTextBody);
messageBodyDetails.put(messageReceiverRef + "/" + messagePushID, messageTextBody);
RootRef.updateChildren(messageBodyDetails).addOnCompleteListener(new OnCompleteListener() {
@Override
public void onComplete(@NonNull Task task) {
if (task.isSuccessful()) {
loadingBar.dismiss();
Toast.makeText(ChatActivity.this, "Message Sent Successfully...", Toast.LENGTH_SHORT).show();
} else {
loadingBar.dismiss();
Toast.makeText(ChatActivity.this, "Error", Toast.LENGTH_SHORT).show();
}
MessageInputText.setText("");
}
});
}
}
});
} else {
loadingBar.dismiss();
Toast.makeText(this, "Nothing Selected, Error.", Toast.LENGTH_SHORT).show();
}
}
}
private void DisplayLastSeen() {
RootRef.child("Users").child(messageReceiverID)
.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
if (dataSnapshot.child("userState").hasChild("state")) {
String state = dataSnapshot.child("userState").child("state").getValue().toString();
String date = dataSnapshot.child("userState").child("date").getValue().toString();
String time = dataSnapshot.child("userState").child("time").getValue().toString();
if (state.equals("online")) {
userLastSeen.setText("online");
} else if (state.equals("offline")) {
userLastSeen.setText("Last Seen: " + date + " " + time);
}
} else {
userLastSeen.setText("offline");
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
@Override
protected void onStart() {
super.onStart();
RootRef.child("Messages").child(messageSenderID).child(messageReceiverID)
.addChildEventListener(new ChildEventListener() {
@Override
public void onChildAdded(DataSnapshot dataSnapshot, String s) {
Messages messages = dataSnapshot.getValue(Messages.class);
messagesList.add(messages);
messageAdapter.notifyDataSetChanged();
userMessagesList.smoothScrollToPosition(userMessagesList.getAdapter().getItemCount());
}
@Override
public void onChildChanged(DataSnapshot dataSnapshot, String s) {
}
@Override
public void onChildRemoved(DataSnapshot dataSnapshot) {
}
@Override
public void onChildMoved(DataSnapshot dataSnapshot, String s) {
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
private void SendMessage() {
String messageText = MessageInputText.getText().toString();
if (TextUtils.isEmpty(messageText)) {
Toast.makeText(this, "first write your message...", Toast.LENGTH_SHORT).show();
} else {
String messageSenderRef = "Messages/" + messageSenderID + "/" + messageReceiverID;
String messageReceiverRef = "Messages/" + messageReceiverID + "/" + messageSenderID;
DatabaseReference userMessageKeyRef = RootRef.child("Messages")
.child(messageSenderID).child(messageReceiverID).push();
String messagePushID = userMessageKeyRef.getKey();
Map messageTextBody = new HashMap();
messageTextBody.put("message", messageText);
messageTextBody.put("type", "text");
messageTextBody.put("from", messageSenderID);
messageTextBody.put("to", messageReceiverID);
messageTextBody.put("messageID", messagePushID);
messageTextBody.put("time", saveCurrentTime);
messageTextBody.put("date", saveCurrentDate);
Map messageBodyDetails = new HashMap();
messageBodyDetails.put(messageSenderRef + "/" + messagePushID, messageTextBody);
messageBodyDetails.put(messageReceiverRef + "/" + messagePushID, messageTextBody);
RootRef.updateChildren(messageBodyDetails).addOnCompleteListener(new OnCompleteListener() {
@Override
public void onComplete(@NonNull Task task) {
if (task.isSuccessful()) {
Toast.makeText(ChatActivity.this, "Message Sent Successfully...", Toast.LENGTH_SHORT).show();
} else {
Toast.makeText(ChatActivity.this, "Error", Toast.LENGTH_SHORT).show();
}
MessageInputText.setText("");
}
});
}
}
}
RecyclerView项目在用户发送消息时显示多个项目接收方仅获得一个项目（正常）
RecyclerView项目在用户发送消息时显示多个项目接收方仅获得一个项目（正常）