Top "Handler" questions

In the Observer pattern, an event handler is the function or method called on an observer listening for an event dispatched by the subject.

Handler post is not working in Kotlin Android

Could someone show me what is wrong? I try to use a Handler post a Runnable but it's not execute …

android kotlin handler runnable
Android can't create handler inside thread that has not called looper.prepare()

I started developing an Android application that record a video and I need to gather the GPS location every 1 minute …

android timer handler timertask
Android: Quitting the Looper?

I have a thread I use to periodically update the data in my Activity. I create the thread and start …

android multithreading message-queue handler
How to catch and re-throw all errors in MySQL

I can't seem to find anywhere how to catch and re-throw any errors or warnings that can occur in a …

mysql stored-procedures handler
How to add a Clickhandler to a cellTable cell (or row )

I would like to have a handler on a column of my cellTable.The column is an ImageResourceCell and I …

gwt handler gwt-2.2-celltable
app crashing with "Called From Wrong Thread Exception"

I added this part of the code in my onCreate() method and it crashes my app. need help. LOGCAT: android.…

android handler timertask
What is more efficient Broadcast Receiver or Handler?

I know that onReceive() of the Broadcast receiver and handleMessage() of Handler run on the same UI thread. Suppose I …

android multithreading broadcastreceiver handler
Why HttpContext.Current.Handler is null?

I'm trying to access a Page within an HttpModule and I think I should do this by calling HttpContext.Current.…

.net asp.net httpmodule handler
c#: with a Handler(.ashx) get post send with javascript

I am trying to get a string from a textbox in a .aspx page. When I debug my site jQuery.…

c# asp.net get handler ashx
Open Internet Explorer from Chrome using a protocol handler (ie:url)

I've followed these steps and it doesn't work correctly for me. Custom protocol handler in chrome Basically, I don't have …

windows internet-explorer handler protocol-handler