I am developing an android chat app and I would like the messages of the user you are chatting with to be aligned to the right and their messages to be aligned to the left. This is the condition that allows you to distinguish who the message belongs to, I can only write it on the bindview holder: But how
Tag: android-recyclerview
Getting error : Could not deserialize object. Failed to convert a value of type java.lang.String to long
enter image description hereI have tried changing values many times. Now I have the same values in Firebas. It’s working if I give the values manually in code, but it’s not working while I try to get the info from Firestore. But still, I’m getting this error continuously: That’s my Mod…
RecyclerView on a null object reference
So I was trying to show images from firebase to recyclerview, but it threw me an error. Error says E/nitecompetitiv: [qarth_debug:] get PatchStore::createDisableExceptionQarthFile method fail. E/AndroidRuntime: FATAL EXCEPTION: main Process: com.example.fortnitecompetitive, PID: 15205 java.lang.NullPointerExc…
Update recycler view when a item is deleted on onBindViewHolder listener
I’m having a problem, that maybe we can solve it and help the community. I have made an Adapter for my RecyclerView and I have created a listener for the constraint layout in order to remove one element of the list. As you can see in the code the delete message works well but I don’t know how to u…
Allow user to select only 3 items in recyclerview
Basically I want user to select only 3 items from a list in recyclerview My adapter class holder onclicklistener code: My model class: isSelected is used to get value of selected items in fragment. Any help would be appreciated. Answer Make a global varaible i.e numOfSelectedItems
How to pass a list of objects from one activity to another using parcelable
I want to pass the list of itemselected or ItemsInCart to another activity. My Items Model implements parcelable. The problem is am getting error below in my SecondActivity class. Caused by: java.lang.NullPointerException: Attempt to invoke virtual method ‘void androidx.recyclerview.widget.RecyclerView.…
What’s simple code/effective code to create CheckBox Programmatically in BottomSheetDialog when click every item in RecyclerView in Android (Java)
I have 100+ item in RecyclerView. these days I have tried to create simple code/effective code to create Checkbox in BottomSheetDialog Programmatically but no success. My goal : Every item click in RecyclerView will show BottomSheetDialog with different amount checkbox. example : when click item[0] in Recycle…
Android Firestore subcollections into RecyclerView
I am currently working on a Rental Car app in Java Android Studio. For the project database, I am using Cloud Firestore. My database is structured like so: Subcollection: The first image is represented by the collection of Cars with multiple documents with random ID (each represents a car). Every car has a un…
Android Studio – How do I make my RecyclerView contain more items after a button press?
I’ve created a RecyclerView with editTexts which size is defined by an integer in the adapters constructor, however now I want to implement a Button that increases that integer by one and that way adds another editText to my recyclerView. The problem is that I don’t know how to update the size of …
How to scroll one to one in recycler view?
this is my adapter I want to scroll one item each time i scroll. Like when you see multiple images post on instagram. How can i do that? Thanks and my XML; Answer You can use a SnapHelper by attaching it to your RecyclerView with SnapHalper.attachToRecyclerView() and you will have a Scroll effect like instagr…