I have developed a library Text2Summary for Android which is written using Kotlin. I am distributing this library using JitPack and the building process goes perfectly fine. Now, in a Kotlin-enabled …
Tag: android
Android app crashes with “Attempt to invoke virtual method on a null object reference”
I have a “Bottom navigation bar app” with 3 tabs or fragments. On the first fragment I have a PaintView that I can draw on. Drawing works great. But I’m trying to wire up a clear screen function that is invoked via an options menu dropdown. When I select the option to wipe the screen from th…
How to make addListenerForSingleValueEvent to work in loop?
I’m trying to access the addListenerForSingleValueEvent for a specific number of times based on the amount of item’s present in cart but since it listen’s for only one time I’m unable to fetch the …
The cause of blocking GC Allocation problem when starting an Android application
I have recently encountered an unusual problem with Garbage Collecter allocation when beginning my application from Android Studio. My code compiles without errors and the program doesn’t throw any exceptions on Runtime. Nevertheless, when I start my program, it doesn’t respond. My Logcat shows: T…
How to reset autoincrement value after deleting 1 row of column from it, on sqlite java android?
on MYSQLI this method is work on me back then, ALTER TABLE tablename AUTO_INCREMENT = 0, this will reset on last autoincrement position but i don’t know how to do it on SQLITE, so the idea is, i want to delete 1 row column table, and at the same time i want to reset auto increment value to the last
How to extract words of constant length form a paragraph?
I’m trying to extract the words form a paragraph/string. I searched it out many where but didn’t find relative material. I want to extract words of length 4 from “I want to have alot of moneys when …
Camera 2 Api Error – the error that does not take pictures
I am having an issue with the Camera 2 Api. When I try to take a picture it would not function. The system would not crash. The error only occurs when I try to take a picture. Furthermore, I took …
Xamarin.Forms WebView not working with WebRTC
I have worked on WebRTC project, it all works on Web Browser but when I put in in Application WebView, it said not authorized to access device kind a message. I read other solution on granting access …
Trying to retrieve data from Firebase and get this error: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
The database I build an application and I’m trying to retrieve user info from Firebase. After the registration form, I have a new activity where the users need to write their personal info and that information is stored in firebase. Then, in my navigation drawer, I have an activity, called “Accoun…
how to clean up generated data binding files?
I’ve got a problem I created the activity and xml files in a git branch. Commit these tasks, and change the branch to do something else. However, when build app, the following error occurred. ActivityDebugUserInfo is the file I created in the previous branch. There is no such file in the current branch.…