"sayHello(View v)" method in Android "Using a Messenger" Example

Question

I was trying to understand the "Using Messenger" in Bound Service example in Android Documentation. The example had a method named sayHello(View v). I could not quite understand how the method is called and why it takes a view as a argument.

I hope the question can be useful to others and community will take the question positively.

Thanks.

score 1 · Accepted Answer · edited May 23 '17 at 11:56

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You could define an 'android:onClick="method"' in layout.xml

This calls the method with parameter "View" of your activity

You may check this QA, too

How exactly does the android:onClick XML attribute differ from setOnClickListener?

edited May 23 '17 at 11:56

Community

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answered Apr 12 '12 at 11:59

stefan bachert

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Is this a bug in Android Documentation?. Can we report it for greater good of community? – Gaurav Agarwal Apr 12 '12 at 12:44
this functionality has problem, it does not work (yet) with fragments. So I guess google will keep this quiet until solved for fragments, too – stefan bachert Apr 12 '12 at 13:15

"sayHello(View v)" method in Android "Using a Messenger" Example

1 Answers1