In the Dart programming language, an Isolate is a single-threaded unit of concurrency.
In the Dart programming language, an Isolate is a single-threaded unit of concurrency. Communication with others Isolates is done via message passing.
Questions tagged [dart-isolates]
296 questions
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How to create three infinity loop inside isolate?
I am learning Dart and working with Isolate. I wrote next code, and expected that it will create three isolate process that will work infinity:
main() {
Isolate.spawn(echo, "Hello");
Isolate.spawn(echo, "Hello2");
Isolate.spawn(echo,…
Dmitry Bubnenkov
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Flutter Dart - Calling sqflite function in Isolate causes error
I have a sqflite database that works, unit tests work. I want to call a sqflite method in onTap method. I understand I cannot execute the sqflite function in the main UI thread (Flutter tells me that at runtime). So I created an Isolate to call the…
ezaspi
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Dart Isolate SendPort and ReceivePort sending 100times vice versa
My main works, but in my foo I would like to send data to main. Here's my code where I want to pass data between foo and main 100 times. How can I achieve that?
import 'dart:isolate';
import 'dart:async';
void foo(SendPort sendPort) async {
…
0
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1 answer
Android Alarm Manager callback doesn't work
Im trying to use plugin Android Alarm Manager for timer and code execution in background, but cant really get it working right. If i set something like "print("v")" as a callback - everything works fine, but when Im trying to do something extra, it…
Ruslan
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1 answer
Dart: Using JsObject and window API in an isolate
I am having some difficulties making use of isolates in Dart. The first problem is I wanted to use dart:js to use a javascript library in one of my isolates. I tried with the following code:
void runCode(SendPort sendPort)
{
print("still…
SSS
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Worker package disfunction when importing postgresql package
I'm trying to use the Worker package and the PostgreSQL package.
I'm not sure why but if I run the example in
https://diegorochablog.wordpress.com/2014/02/18/worker-dart-concurrent-programming-does-not-have-to-be-hard/
After changing nothing but…
Alon Amir
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Loading HTML in the current dom and execute a loaded script
In javascript I created a loader for a wizard. I talk about a single page with a wizard section.
Every (new) sequence state of the page loads a HTML section from the server into the wizard dom section of the page and executes a script. The script…
voscausa
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How should i use Dart Isolate unhandledExceptionCallback?
I'm trying to use Isolates in my Dart webapp but i can't seem to make the error callback argument work.
I have a very basic code which is being run in Dartium.
import "dart:isolate";
void main() {
print("Main.");
spawnFunction(test,…
NagyI
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Dart server check at intervals
I'm trying to run 'checkServer' at 5 second intervals. However 'server is fine' only runs once. What needs to be done to repeat the function?
import 'dart:io';
import 'dart:uri';
import 'dart:isolate';
checkServer() {
HttpClient client = new…
basheps
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1 answer
How to add periodic task in compute function of dart?
I want to send log to server periodically after 30 sec.
For performance i want to use different thread by using compute function.
But Timer is not working in compute.
Any suggestions to do task in different threads periodically in flutter?
user3066829
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1 answer
Multithreading for MultiMethods in Flutter
may i ask how to multithreading some functions in dart
for example i have 16 Future functions
i want first to execute this function in the first thread
await GetRoot(); //Future
then after the first thread end i want to execute theses…
test firma
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