Tingqiang Ma wrote:
> I am a little confused by this.
> 
> For example, when I call
> 
> *mButtonApply=(MyButton) findViewById(R.id.button_apply);*
> 
> Which constructor of MyButton will be called?

None. findViewById() finds an existing View, it does not create one.

-- 
Mark Murphy (a Commons Guy)
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Android App Developer Training: http://commonsware.com/training.html

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