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Android app - basic button functionality

Started by Ibzy Oct 27, 2013 at 5:44 PM 1 replies 2k views

Original Post

Oct 27, 2013 at 5:44 PM

Hi All,

I am working on an Android app, and am just learning to program on Android. I have experience in a few programming languages, but I'm struggling to combine functionality across xml and java.

Very simple question I'm sure, but how do I make a button activate a function? I have: "public void function(string a, string b)" with the function inside in Java, and on the xml layout I have

SimonForsman

Oct 27, 2013 at 7:04 PM

IIRC you have to specify a method that takes a View as its only parameter in the XML file.

so your method should be:

public void someMethod(View v) {

...code

}

and then in the xml layout:

Ibzy

Oct 29, 2013 at 8:02 PM

Hi Simon,

Thanks for this - pointed me in the right direction. Didn't quite realise how 'separated' the code needed to be.

Cheers

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