All Questions
254
questions with no upvoted or accepted answers
8
votes
0
answers
870
views
App crashing when using Retrofit callback in debug mode
My app is crashing when I try to debug it, but runs fine in run mode. I looked at the stack trace and I know this is happening due to the callback code.
Any ideas why the app is crashing only in ...
- 83
5
votes
1
answer
6k
views
Android: How do you pass a callback to an activity?
I am creating a library. It creates an activity, starts it, and finishes it after a button is pressed.
After the button is pressed, I'd like to execute some client code through an interface.
That is,...
- 2,243
4
votes
0
answers
32
views
Register a callback to handle JLI_Launch failing with "Could not find or load main class"
I am trying to make AppBundler more observable and have had great success except for one thing. JLI_Launch does not return to the caller so I can't tell if it fails to load the main class (or any ...
- 3,200
4
votes
0
answers
183
views
Why does Java expose Error and Java SE API callback methods accept Throwable instead of Exception?
Facts
The Java SE API says about the Error type that it "indicates serious problems that a reasonable application should not try to catch"; also "errors are abnormal conditions that ...
4
votes
0
answers
1k
views
Sunmi V1s device - Java callback doesn't work when the printer is done printing
I'm using Sunmi V1s device and want to show a Dialog once the printer finished printing the whole receipt. I now can get a message once the query is done processing, but I cannot get the message the ...
- 175
4
votes
1
answer
2k
views
Get results from JMeter remote test in Java
I´m trying to run JMeter tests directly from my Java code. The load should be produced via a JMeter server. In the code, I use a ClientJMeterEngine instance that connects to the JMeter daemon running ...
- 307
4
votes
2
answers
1k
views
How Do Applications handle Asynchronous Responses - via Callback
I have been doing Java for a few years but I have not had much experience with Asynchronous programming.
I am working on an application that makes SOAP web service calls to some Synchronous web ...
- 41
3
votes
1
answer
1k
views
ListenableFuture callback triggered by future cancel
I am using ListenableFuture and register callbacks like this:
Futures.addCallback(
myFuture,
new FutureCallback<MyClass>() {
public void onSuccess(MyClass myClass) {
//...
- 339
3
votes
2
answers
178
views
Java callback hell with uncertain number of steps
I need to get messages from a service in a given interval.
I make a request to my service, where I specify FROM date and TO date. But the service starts from the FROM date, and goes up to 2000 ...
- 424
3
votes
0
answers
993
views
Java - Wait for component to be shown
UPDATE #3: After madProgrammer's suggestions, maybe the timed solution is the best. But no answer has been given to this strange behaviour.
I understand the fact that components are not shown ...
- 631
3
votes
0
answers
109
views
Android "Sticky" interface callbacks
This question is more an architectural question more than an actual implementation.
In very basic terms I have network calls made to web services in and android app. When the network call is complete,...
- 1,349
3
votes
0
answers
657
views
Android asynchronous event handling (callbacks and eventbus)
I am currently developing an Android application with Bluetooth Low Energy capabilities. Android BLE (Bluetooth Low Energy) method calls are mostly (if not all) asynchronous in nature. I have ...
- 416
3
votes
0
answers
326
views
How to do a callback operation on Sqlite using java?
I am working on sqlite in Java. Presently I am using Xerial JDBC Driver.
I am able to establish connection with an existing DB and perform basic DB operations on it.
But now I have a requirement ...
- 1,730
3
votes
0
answers
2k
views
Tomcat Comets application returns .jsp page instead of weather data
I have implemented the Comets tutorial at http://www.ibm.com/developerworks/web/library/wa-cometjava/#N100CC
It seems like I am getting data returned from the server using the Comets technique - i.e. ...
- 50.8k
2
votes
0
answers
72
views
Is the WindowProcedure always called in the JavaFX Application Thread?
In a JavaFX app, if I use the JNA to implement a custom window procedure, will the callback always be on the JavaFX Application Thread?
public class MyWindowProc implements WinUser.WindowProc
...
...
- 317