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

Example 26 with DatabaseReference

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

the class ChatFragment method removeDownvote.

@Override
public void removeDownvote(int p) {
    ChatMessageHelper chatMessageHelper = (ChatMessageHelper) chatAdapter.getItem(p);
    String chat_key = chatMessageHelper.getMessageID();
    DatabaseReference message_root = currPageData.child(chat_key);
    // get upvote data
    DatabaseReference downvote_count = message_root.child("downvotes");
    downvote_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 27 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 28 with DatabaseReference

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

the class ProfileActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_profile);
    firebaseAuth = FirebaseAuth.getInstance();
    FirebaseUser user = firebaseAuth.getCurrentUser();
    mStorageRef = FirebaseStorage.getInstance().getReference();
    SharedPreferences sharedPreferences = getSharedPreferences("email", Context.MODE_PRIVATE);
    // 유저 uid받기
    userUid = sharedPreferences.getString("uid", user.getUid());
    // 유저 email(아이디)받기
    userEmail = sharedPreferences.getString("email", user.getEmail());
    username = usernameFromEmail(user.getEmail());
    FirebaseDatabase database = FirebaseDatabase.getInstance();
    DatabaseReference myRef = database.getReference();
    if (firebaseAuth.getCurrentUser() == null) {
        finish();
        startActivity(new Intent(this, LoginActivity.class));
    }
    // 이 activity가 켜졌을 때 권한설정 물어보기
    if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
        // Should we show an explanation?
        if (ActivityCompat.shouldShowRequestPermissionRationale(this, android.Manifest.permission.READ_EXTERNAL_STORAGE)) {
        // Show an expanation to the user *asynchronously* -- don't block
        // this thread waiting for the user's response! After the user
        // sees the explanation, try again to request the permission.
        } else {
            // No explanation needed, we can request the permission.
            ActivityCompat.requestPermissions(this, new String[] { android.Manifest.permission.READ_EXTERNAL_STORAGE }, 1);
        // MY_PERMISSIONS_REQUEST_READ_CONTACTS is an
        // app-defined int constant. The callback method gets the
        // result of the request.
        }
    }
    // butterknife: view binder , list adapter 할때도 간편한 코드 구현가능
    petImage = (ImageView) findViewById(R.id.petImage);
    btn_UploadPicture = (Button) findViewById(R.id.btn_UploadPicture);
    textViewUserEmail = (TextView) findViewById(R.id.textViewUserEmail);
    textViewUserEmail.setText(user.getEmail() + "님의 반려동물");
    buttonLogout = (Button) findViewById(R.id.buttonLogout);
    buttonLogout.setOnClickListener(this);
    petImage = (ImageView) findViewById(R.id.petImage);
    btn_UploadPicture = (Button) findViewById(R.id.btn_UploadPicture);
    petName = (EditText) findViewById(R.id.petName);
    petAge = (EditText) findViewById(R.id.petAge);
    radiogroup_gender = (RadioGroup) findViewById(R.id.radiogroup_gender);
    radioGender_male = (RadioButton) findViewById(R.id.radioGender_male);
    radioGender_female = (RadioButton) findViewById(R.id.radioGender_female);
    radiogroup_type = (RadioGroup) findViewById(R.id.radiogroup_type);
    radio_dog = (RadioButton) findViewById(R.id.radio_dog);
    radio_cat = (RadioButton) findViewById(R.id.radio_cat);
    radiogroup_size = (RadioGroup) findViewById(R.id.radiogroup_size);
    radioSize_small = (RadioButton) findViewById(R.id.radioSize_small);
    radioSize_middle = (RadioButton) findViewById(R.id.radioSize_middle);
    radioSize_large = (RadioButton) findViewById(R.id.radioSize_large);
    btn_profilefinish = (Button) findViewById(R.id.btn_profilefinish);
    btn_UploadPicture.setOnClickListener(this);
    btn_profilefinish.setOnClickListener(this);
    loadSavedPreferences();
    // 원래 사진받아오는 자리
    new DownloadImage().execute();
}

Example 29 with DatabaseReference

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

the class disease_searchActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_disease_search);
    search = (EditText) findViewById(R.id.search);
    final ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1);
    listview = (ListView) findViewById(R.id.listview1);
    listview.setAdapter(adapter);
    for (int i = 1; i < 40; i++) {
        // 일단 질병 40개만 받음.
        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 name = dataSnapshot.getValue().toString();
                    adapter.add(name);
                } else {
                    System.out.println("없음");
                }
            }

            @Override
            public void onCancelled(DatabaseError databaseError) {
            }
        });
    }
    search.addTextChangedListener(new TextWatcher() {

        @Override
        public void beforeTextChanged(CharSequence s, int start, int count, int after) {
        }

        @Override
        public void onTextChanged(CharSequence s, int start, int before, int count) {
        }

        @Override
        public void afterTextChanged(Editable s) {
            // text가 바뀔때 수행되는 함수
            String filterText = s.toString();
            if (filterText.length() > 0) {
                // 글자 입력시
                listview.setFilterText(filterText);
            } else {
                listview.clearTextFilter();
            }
        }
    });
    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);
        }
    });
}

Example 30 with DatabaseReference

use of com.google.firebase.database.DatabaseReference in project SEProject by NicholasBarreyre.

the class UserInformationEditActivity method updateDatabase.

/**
 * This method updates the UserInformation object in Firebase associated
 * with the user currently logged in.
 */
private void updateDatabase() {
    FirebaseDatabase db = FirebaseDatabase.getInstance();
    DatabaseReference myRef = db.getReference(getString(R.string.activity_user_information_firebase, user.getUsername()));
    myRef.setValue(info);
}