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.

Is AsyncTask really conceptually flawed or am I just missing something?

I have investigated this problem for months now, came up with different solutions to it, which I am not happy …

android concurrency handler android-asynctask
Ansible handler does not run multiple handler tasks

We have one Ansible role that needs to run three tasks in the handlers/main.yml task file, but it …

handler ansible
Android: Why can't I create a handler in new thread

I had a problem creating a handler in new thread. This is my code: @Override protected void onCreate(Bundle savedInstanceState) { …

java android multithreading handler
Android Handlers - inter-thread communication

How do you implement two-way communication between two threads with Handlers in Android? I have a Service A that spawns …

android multithreading handler
Wake locks android service recurring

I have this application that needs to run a service (background) that beeps periodically. The phone needs to beep the …

android service handler android-service wakelock
Value cannot be null. Parameter name: String

Please take a look at the following code. It's in handler.asxh. public void ProcessRequest(HttpContext context) { context.Response.ContentType = "…

c# exception handler request.querystring nul
How to open mailto links in new tab for users that have gmail as the default mail handler?

On a web page mailto links open the default e-mail client. Now that Chrome offers the ability to set Gmail …

javascript google-chrome gmail handler mailto
TimerTask vs Thread.sleep vs Handler postDelayed - most accurate to call function every N milliseconds?

What is the most accurate way to call a function every N milliseconds? Thread with Thread.sleep TimerTask Handler with …

java android multithreading handler timertask
Why to use Handlers while runOnUiThread does the same?

I have come across both Handlers and runOnUiThread concepts. But to me it still seems to be a doubt as …

android multithreading android-asynctask handler
How to start/stop Runnable/Handler?

I'm trying to maintain databases synchronized between a Webservice and Android app. The code below is working, but I encounter …

android handler runnable