I am creating foreground notification with ID like so: startForeground(1, notification) When initialising the service I am sending to it some string (ex: Hello). I wish that the service and notification will be bind to this string so I wish to use it as my id. So, how can I convert string to unique ID? For ex…
Tag: kotlin
How do I query a user’s info in Firestore if all my document IDs are auto-generated?
All of the examples I’m finding online have very simple document IDs, but what do you do if you’re auto-generating all your IDs (as the docs say you should)? For example, I want to query the date when the user was created. The document ID for this is below, but I’ve just copy-pasted it from …
How to wrap @Column annotation with my own annotation in Java or Kotlin
I simply want to have my own annotation to clean up the annotation mass and to be able to change them easily when I want; Wish I could nullable = false, length = 32 are the default params. Java or Kotlin solutions are welcome. Answer Since you’re using 3-rd party annotations imported from javax the best…
Map with initial values in abstract class
I have an abstract class which holds some default values as follows BaseRequest.kt Now, for all subclasses, I need anyone who extends the BaseRequest class to override the toMap() function and return a map that has an initial value of route that was initialized in the base class. What I mean by that is that o…
java.util.ConcurrentModificationException when removing elements from arraylist even with iterators
I’m trying to delete content from two arrayLists when a particular condition is satisfied. But when the condition satisfied I get Concurrent modification error. After searching on internet I saw the solution to fix this using the iterator concept but that also doesn’t work. Here is the two code va…
Kotlin App open activity 2 with button CRASH
so this is the error in the logcat however when i try to declare “CreateNoteFragment” in the manifest only the .MainActivity & .SplashScreen appear and does not let me declare the .CreateNoteFragment my CreateNoteFragment also references “BaseFragment” activity as such below error.…
Android WebRTC DataChannel is always null and ICE candidates are not sent
I’m trying to create an Android app that uses WebRTC data channels for data exchange. The data that I want to send is basic strings. Admittedly, this is my first time looking at WebRTC, and so I am a …
Is there a way to make “folded code” stay folded in Android Studio?
I would like to keep code folded once I’ve folded it. When I’m done with a window of code for an Activity I close it. Then when I come back to it, all the code opens up again… Would be nice if it …
convert java class to kotlin inherited from FragmentStatePageAdapter
I am doing a project and the only help I have are in java, and it is making it very difficult for me to have to convert it or pass it to kotlin this is the code I have to pass to kotlin: and when trying to convert it, it was more or less like this: According to how little
Sorround highlighted word with symbol Android Studio
If I have a word highlighted in android studio, is there any shortcut to surround that word with symbols e.g quotation marks or brackets? E.G From John to “John” or Mary to (Mary) Am aware of only Ctrl + Alt + T which surrounds the word with some functions and expressions from the options. Answer …