Examples with Conv com.example.singhkshitiz.letschat.Conv used on opensource projects

Example 1 with Conv

use of com.example.singhkshitiz.letschat.Conv in project Lets-Chat by kshitiz1007.

the class ChatFragment method onStart.

@Override
public void onStart() {
    super.onStart();
    // ---ADDING THE RECYCLERVIEW TO FIREBASE DATABASE DIRECTLY----
    // --ORDERING THE MESSAGE BY TIME----
    Query conversationQuery = mConvDatabase.orderByChild("time_stamp");
    FirebaseRecyclerAdapter<Conv, ConvViewHolder> friendsConvAdapter = new FirebaseRecyclerAdapter<Conv, ConvViewHolder>(// --CLASS FETCHED FROM DATABASE-- LAYOUT OF THE SINGLE ITEM--- HOLDER CLASS(DEFINED BELOW)---QUERY
    Conv.class, R.layout.recycle_list_single_user, ConvViewHolder.class, conversationQuery) {

        // ---- GETTING DATA FROM DATABSE AND ADDING TO VIEWHOLDER-----
        @Override
        protected void populateViewHolder(final ConvViewHolder convViewHolder, final Conv conv, int position) {
            final String list_user_id = getRef(position).getKey();
            Query lastMessageQuery = mMessageDatabase.child(list_user_id).limitToLast(1);
            // ---IT WORKS WHENEVER CHILD OF mMessageDatabase IS CHANGED---
            lastMessageQuery.addChildEventListener(new ChildEventListener() {

                @Override
                public void onChildAdded(DataSnapshot dataSnapshot, String s) {
                    String data = dataSnapshot.child("message").getValue().toString();
                    convViewHolder.setMessage(data, conv.isSeen());
                }

                @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) {
                }
            });
            // ---ADDING NAME , IMAGE, ONLINE FEATURE , AND OPENING CHAT ACTIVITY ON CLICK----
            mUsersDatabase.child(list_user_id).addValueEventListener(new ValueEventListener() {

                @Override
                public void onDataChange(DataSnapshot dataSnapshot) {
                    final String userName = dataSnapshot.child("name").getValue().toString();
                    String userThumb = dataSnapshot.child("thumb_image").getValue().toString();
                    if (dataSnapshot.hasChild("online")) {
                        String userOnline = dataSnapshot.child("online").getValue().toString();
                        convViewHolder.setUserOnline(userOnline);
                    }
                    convViewHolder.setName(userName);
                    convViewHolder.setUserImage(userThumb, getContext());
                    // --OPENING CHAT ACTIVITY FOR CLICKED USER----
                    convViewHolder.mView.setOnClickListener(new View.OnClickListener() {

                        @Override
                        public void onClick(View v) {
                            Intent chatIntent = new Intent(getContext(), ChatActivity.class);
                            chatIntent.putExtra("user_id", list_user_id);
                            chatIntent.putExtra("user_name", userName);
                            startActivity(chatIntent);
                        }
                    });
                }

                @Override
                public void onCancelled(DatabaseError databaseError) {
                }
            });
        }
    };
    mConvList.setAdapter(friendsConvAdapter);
}