It looks like that call validates the values that the user entered into the form, before sending those values to the server to create an account with them. This type of client-side validation can improve the experience of the users of the app, since they get more immediate feedback in case they entered some invalid … Read more
In Java, you cant define method inside a method onCreate(){ //your code } onStart(){ // code } solved Android error ! when i create override onstart method ..as given below help me [closed]
You have not posted any code or idea of your own, hence I can’t comment or tell you very specific things to your idea/code. But I’d try to be broad enough for this. Using a special node like status and setting it to online and offline will be a good idea. You can use orderByChild() … Read more
Change your build dependencies to use: com.firebaseui:firebase-ui:3.2.1 That is the version compatible with Firebase SDK 11.8.0. solved Firebase Error(Android Studio) [closed]
You are adding ValueEventListener in onCreateView but, as far as I can see, you’re not removing it anytime. Apart from this, I’m not able to see any other source of memory leak. 2 solved I have a memory leak and can’t find it [closed]
No, it is not clear. It’s recommended to take the user to a new screen (launch a new Activity/Fragment) upon the click on the “Sign Up” button. Also, it’s advised that you have 2 fields for password setting in case the person misspells the password upon sign up (this might cause the user to be … Read more
You can send the location to Firebase by using the Firebase Database and DatabaseReference classes. First you have to make sure that you have these SDK’s in build.gradle: implementation ‘com.google.firebase:firebase-storage:16.0.4’ implementation ‘com.google.firebase:firebase-database:16.0.4’ Also, make sure that you have set up your Realtime Database in the Firebase Console. It would be best if you choose the … Read more
put your recycler adapter inside the onCreate method 0 solved firebase recycler adapter showing null pointer exception
Taking a closer look at your Firebase function, I was able to identify two issues: Usage of both await and then keywords in the same function. These two statements do the same thing. Quoting this accepted answer. await is just an internal version of .then() (doing basically the same thing). The reason to choose one … Read more
Make only one table eq. tblUser add extra column say something like userType. If user is Doctor then insert 1 else 0 in that column. While queering back you will get userType of that user. Now you can decide which activity should be open. I have added small pseudo code please understand it carefully. pseudo … Read more
What it looks like right now is that you end up with just having 71008 in your first TextView because you loop through the keys but only ever access the first TextView. If you know that you’ll always have eight keys, in your case you can try adding them to your TextViews without the loop, … Read more
You must must use orderedByChild by the key of the date you’d like to order the children by. You can then observe the Value or ChildAdded event type of this query to retrieve the children in ascending order of date. To have the most recent first, you must reverse the objects manually client-side. Otherwise, you … Read more
First of all initiate the database instance FirebaseDatabase firebaseDatabase = FirebaseDatabase.getInstance(); get the reference of your DB where you want to perform the operation DatabaseReference dbRef = firebaseDatabase.getReference(NAME_OF_DATABASE); then use this to get all the user with the name equal to the editText text Query query = profileDbRef .orderByChild(“name”) .equalTo(edittext.getText().toString()); query.addValueEventListener(new ValueEventListener() { @Override public … Read more
<head> <script src=”http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js”></script> <script src=”https://cdn.firebase.com/v0/firebase.js”></script> <script> var hash; // global incase needed elsewhere $(function() { hash = window.location.hash.replace(“#”, “”);; myRootRef = new Firebase(“http://xxxx.firebaseio.com”); var postingRef; if (hash) { // user has been given a hashed URL from their friend, so sets firebase root to that place console.log(hash); postingRef = new Firebase(“http://xxxx.firebaseio.com/chatrooms/” + hash); } else … Read more
If you want to do something like giving special login access like usernames and passwords, you can use Firebase realtime database to do so. You can create a node named credentials and then store every new username and password in it. Then to check if a person is logging in with correct details, you can … Read more