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Hi Greg - Sorry I took so long to reply. You may be pleased to know that I solved my timer problem by using a Handler and a Runnable in my code. It works a treat.

Hi Greg - Many thanks for reply. I have looked at your suggestions and I am sure I should be able to accomplish what I want to do with one of those.

Is there a timer within Java that can be set for a given interval and when the interval has elapsed to send a signal back to the main programme. ?
Something like the way a button reacts when clicked.

I am sorry Norm but that doe not mean much to me. It does not suggest anything that might help me to solve the problem. I think that I will have to try installing the App on my Android Tablet and...

Hi norm - Many thanks for reply. I am fairly new to all this so I am afraid threading doe not mean much to me just yet. Does what you say mean that the problem is ocurring only whist running on a...

Hi I am a newcomer to this forum and am using java in Eclipse for Android programming. I have a method :-
private void turnOnRedLight(){

// Code to turn light on.....
}
When I call this...