Examples with DatabaseReference com.google.firebase.database.DatabaseReference used on opensource projects

Example 86 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project iNGAGE by davis123123.

the class ChatFragment method onUpvoteClick.

@Override
public void onUpvoteClick(int p) {
    // Log.d("vote" , "up : ");
    // get correct chat msg with ith key from chatmessage helper
    ChatMessageHelper chatMessageHelper = (ChatMessageHelper) chatAdapter.getItem(p);
    String chat_key = chatMessageHelper.getMessageID();
    DatabaseReference message_root = currPageData.child(chat_key);
    // get upvote data
    DatabaseReference upvote_count = message_root.child("upvotes");
    upvote_count.runTransaction(new Transaction.Handler() {

        @Override
        public Transaction.Result doTransaction(MutableData currentData) {
            Log.d("Data", String.valueOf(currentData));
            if (currentData.getValue() == null) {
                currentData.setValue(1);
            } else {
                currentData.setValue((Long) currentData.getValue() + 1);
            }
            // we can also abort by calling Transaction.abort()
            return Transaction.success(currentData);
        }

        // TODO:Error handle here
        @Override
        public void onComplete(DatabaseError databaseError, boolean b, DataSnapshot dataSnapshot) {
        }
    });
}

Example 87 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project iNGAGE by davis123123.

the class ChatFragment method removeUpvote.

@Override
public void removeUpvote(int p) {
    ChatMessageHelper chatMessageHelper = (ChatMessageHelper) chatAdapter.getItem(p);
    String chat_key = chatMessageHelper.getMessageID();
    DatabaseReference message_root = currPageData.child(chat_key);
    // get upvote data
    DatabaseReference upvote_count = message_root.child("upvotes");
    upvote_count.runTransaction(new Transaction.Handler() {

        @Override
        public Transaction.Result doTransaction(MutableData currentData) {
            Log.d("Data", String.valueOf(currentData));
            if (currentData.getValue() == null) {
                currentData.setValue(0);
            } else {
                currentData.setValue((Long) currentData.getValue() - 1);
            }
            // we can also abort by calling Transaction.abort()
            return Transaction.success(currentData);
        }

        // TODO:Error handle here
        @Override
        public void onComplete(DatabaseError databaseError, boolean b, DataSnapshot dataSnapshot) {
        }
    });
}

Example 88 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project iNGAGE by davis123123.

the class ChatActivity method insertComment.

private void insertComment(final String messageBy, final String messageText) {
    Log.d("PAGELIMIT", " " + page_root);
    temp_key = page_root.push().getKey();
    DatabaseReference message_root = page_root.child(temp_key);
    String currentDateTimeString = DateFormat.getDateTimeInstance().format(new Date());
    Map<String, Object> map_message = new HashMap<String, Object>();
    map_message.put("Username", messageBy);
    map_message.put("Msg", messageText);
    map_message.put("Side", user_side);
    map_message.put("upvotes", 0);
    map_message.put("downvotes", 0);
    map_message.put("TimeStamp", currentDateTimeString);
    message_root.updateChildren(map_message);
}

Example 89 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project priend by TakoJ.

the class disease_detail method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_disease_detail);
    TextView name = (TextView) findViewById(R.id.disease_name);
    final TextView define = (TextView) findViewById(R.id.define);
    final TextView condition = (TextView) findViewById(R.id.condition);
    final TextView cause = (TextView) findViewById(R.id.cause);
    Intent intent = getIntent();
    name.setText(intent.getStringExtra("name"));
    final String names = name.getText().toString();
    for (int i = 1; i < 40; i++) {
        final String num = Integer.toString(i);
        FirebaseDatabase database = FirebaseDatabase.getInstance();
        final DatabaseReference myRef = database.getReference().child("diseases").child(num);
        myRef.child("diease_name").addListenerForSingleValueEvent(new ValueEventListener() {

            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {
                if (dataSnapshot.exists()) {
                    String disease_name = dataSnapshot.getValue().toString();
                    if (disease_name.equals(names)) {
                        myRef.child("define").addListenerForSingleValueEvent(new ValueEventListener() {

                            @Override
                            public void onDataChange(DataSnapshot dataSnapshot) {
                                String disease_define = dataSnapshot.getValue().toString();
                                define.setText(disease_define);
                            }

                            @Override
                            public void onCancelled(DatabaseError databaseError) {
                            }
                        });
                        myRef.child("condition").addListenerForSingleValueEvent(new ValueEventListener() {

                            @Override
                            public void onDataChange(DataSnapshot dataSnapshot) {
                                String disease_condition1 = dataSnapshot.getValue().toString();
                                String disease_condition2 = disease_condition1.replace("[", "");
                                String disease_condition3 = disease_condition2.replace("],", "\n");
                                String disease_condition = disease_condition3.replace("]]", "");
                                condition.setText(disease_condition);
                            }

                            @Override
                            public void onCancelled(DatabaseError databaseError) {
                            }
                        });
                        myRef.child("cause").addListenerForSingleValueEvent(new ValueEventListener() {

                            @Override
                            public void onDataChange(DataSnapshot dataSnapshot) {
                                String disease_cause = dataSnapshot.getValue().toString();
                                cause.setText(disease_cause);
                            }

                            @Override
                            public void onCancelled(DatabaseError databaseError) {
                            }
                        });
                        return;
                    }
                    ;
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
            }
        });
    }
}

Example 90 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project priend by TakoJ.

the class disease_listActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_disease_list);
    ArrayList<String> getserver = getIntent().getExtras().getStringArrayList("selects");
    final ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1);
    listview = (ListView) findViewById(R.id.diseaseView);
    listview.setAdapter(adapter);
    DatabaseReference database = FirebaseDatabase.getInstance().getReference();
    for (final String str : getserver) {
        for (int i = 0; i < 40; i++) {
            final String num = Integer.toString(i);
            final DatabaseReference mDatabase = database.child("diseases").child(num);
            mDatabase.child("condition").addListenerForSingleValueEvent(new ValueEventListener() {

                @Override
                public void onDataChange(DataSnapshot dataSnapshot) {
                    if (dataSnapshot.exists()) {
                        String disease_condition = dataSnapshot.getValue().toString();
                        if (disease_condition.contains(str)) {
                            mDatabase.child("diease_name").addListenerForSingleValueEvent(new ValueEventListener() {

                                @Override
                                public void onDataChange(DataSnapshot dataSnapshot) {
                                    String name = dataSnapshot.getValue().toString();
                                    adapter.add(name);
                                }

                                @Override
                                public void onCancelled(DatabaseError databaseError) {
                                }
                            });
                        }
                    }
                }

                @Override
                public void onCancelled(DatabaseError databaseError) {
                }
            });
        }
    }
    listview.setOnItemClickListener(new AdapterView.OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            // listview의 item클릭시 detail로 넘어가기
            Intent intent = new Intent(getApplicationContext(), disease_detail.class);
            // intent객체에 데이터를 실어서 보내기
            String disease_name = ((TextView) view).getText().toString();
            intent.putExtra("name", disease_name);
            startActivity(intent);
        }
    });
}