use of com.google.firebase.database.DataSnapshot in project pratilipi by Pratilipi.
the class FirebaseApi method updateUserNotificationData.
public static void updateUserNotificationData(Long userId, final List<Long> notifIdListToAdd, final List<Long> notifIdListToRemove, final Async async) {
initialiseFirebase();
DatabaseReference databaseReference = FirebaseDatabase.getInstance().getReference().child(DATABASE_NOTIFICATION_TABLE).child(userId.toString());
databaseReference.runTransaction(new Transaction.Handler() {
@Override
public Transaction.Result doTransaction(MutableData mutableData) {
// Current list of notificationIds with Firebase
List<Long> notifIdList = new LinkedList<>();
if (mutableData.getValue() != null) {
NotificationDB notifDB = mutableData.getValue(NotificationDB.class);
if (notifDB.getNewNotificationCount() > 0)
notifIdList = notifDB.getNotificationIdList();
}
// Add/Remove notificationIds
// Remove ids first to avoid duplicates
notifIdList.removeAll(notifIdListToAdd);
notifIdList.removeAll(notifIdListToRemove);
notifIdList.addAll(notifIdListToAdd);
// Updating Firebase
mutableData.setValue(new NotificationDB(notifIdList));
return Transaction.success(mutableData);
}
@Override
public void onComplete(DatabaseError databaseError, boolean committed, DataSnapshot dataSnapshot) {
if (committed) {
// Transaction successful
async.exec();
// } else if( databaseError == null ) { // Transaction aborted
} else {
// Transaction failed
logger.log(Level.SEVERE, "Transaction failed with error code : " + databaseError.getCode());
}
}
});
}
use of com.google.firebase.database.DataSnapshot in project Robot-Scouter by SUPERCILEX.
the class ScoutPagerAdapter method onDataChange.
@Override
public void onDataChange(DataSnapshot snapshot) {
removeNameListeners();
boolean hadScouts = !mKeys.isEmpty();
mKeys.clear();
for (DataSnapshot scoutIndex : snapshot.getChildren()) {
String key = scoutIndex.getKey();
mKeys.add(0, key);
getTabNameRef(key).addValueEventListener(mTabNameListener);
}
if (hadScouts && mKeys.isEmpty() && !isOffline(mFragment.getContext()) && mFragment.isResumed()) {
ShouldDeleteTeamDialog.Companion.show(mFragment.getChildFragmentManager(), mTeamHelper);
}
mFragment.getView().findViewById(R.id.no_content_hint).setVisibility(mKeys.isEmpty() ? View.VISIBLE : View.GONE);
mAppBarViewHolder.setDeleteScoutMenuItemVisible(!mKeys.isEmpty());
mTabLayout.removeOnTabSelectedListener(this);
notifyDataSetChanged();
mTabLayout.addOnTabSelectedListener(this);
if (!mKeys.isEmpty()) {
if (TextUtils.isEmpty(mCurrentScoutKey)) {
selectTab(0);
mCurrentScoutKey = mKeys.get(0);
} else {
selectTab(mKeys.indexOf(mCurrentScoutKey));
}
}
}
use of com.google.firebase.database.DataSnapshot in project priend by TakoJ.
the class NewPostActivity method submitPost.
private void submitPost() {
final String title = mTitleField.getText().toString();
final String body = mBodyField.getText().toString();
// Title is required
if (TextUtils.isEmpty(title)) {
mTitleField.setError(REQUIRED);
return;
}
// Body is required
if (TextUtils.isEmpty(body)) {
mBodyField.setError(REQUIRED);
return;
}
// Disable button so there are no multi-posts
setEditingEnabled(false);
Toast.makeText(this, "Posting...", Toast.LENGTH_SHORT).show();
// [START single_value_read]
final String userId = mAuth.getCurrentUser().getUid();
mDatabase.child("users").child(userId).addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get user value
User user = dataSnapshot.getValue(User.class);
// [START_EXCLUDE]
if (user == null) {
// User is null, error out
Log.e(TAG, "User " + userId + " is unexpectedly null");
Toast.makeText(NewPostActivity.this, "Error: could not fetch user.", Toast.LENGTH_SHORT).show();
} else {
// Write new post
writeNewPost(userId, user.username, title, body);
}
// Finish this Activity, back to the stream
setEditingEnabled(true);
finish();
// [END_EXCLUDE]
}
@Override
public void onCancelled(DatabaseError databaseError) {
Log.w(TAG, "getUser:onCancelled", databaseError.toException());
// [START_EXCLUDE]
setEditingEnabled(true);
// [END_EXCLUDE]
}
});
// [END single_value_read]
}
use of com.google.firebase.database.DataSnapshot in project priend by TakoJ.
the class PostDetailActivity method onStart.
@Override
public void onStart() {
super.onStart();
// Add value event listener to the post
// [START post_value_event_listener]
ValueEventListener postListener = new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get Post object and use the values to update the UI
Post post = dataSnapshot.getValue(Post.class);
// [START_EXCLUDE]
mAuthorView.setText(post.author);
mTitleView.setText(post.title);
mBodyView.setText(post.body);
// [END_EXCLUDE]
}
@Override
public void onCancelled(DatabaseError databaseError) {
// Getting Post failed, log a message
Log.w(TAG, "loadPost:onCancelled", databaseError.toException());
// [START_EXCLUDE]
Toast.makeText(PostDetailActivity.this, "Failed to load post.", Toast.LENGTH_SHORT).show();
// [END_EXCLUDE]
}
};
mPostReference.addValueEventListener(postListener);
// [END post_value_event_listener]
// Keep copy of post listener so we can remove it when app stops
mPostListener = postListener;
// Listen for comments
mAdapter = new CommentAdapter(this, mCommentsReference);
mCommentsRecycler.setAdapter(mAdapter);
}
use of com.google.firebase.database.DataSnapshot in project priend by TakoJ.
the class PostDetailActivity method postComment.
private void postComment() {
final String uid = mAuth.getCurrentUser().getUid();
FirebaseDatabase.getInstance().getReference().child("users").child(uid).addListenerForSingleValueEvent(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
// Get user information
User user = dataSnapshot.getValue(User.class);
String authorName = user.username;
// Create new comment object
String commentText = mCommentField.getText().toString();
Comment comment = new Comment(uid, authorName, commentText);
// Push the comment, it will appear in the list
mCommentsReference.push().setValue(comment);
// Clear the field
mCommentField.setText(null);
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
}
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