Re: [android-developers] NullPointerException on setOnClickListener

On Sat, Mar 24, 2012 at 12:33 PM, Vitor Pacheco <vitorpc.18@gmail.com> wrote:
> My code is returning this error and do not know how to solve it.
>
> E/AndroidRuntime(10863): java.lang.RuntimeException: Unable to start
> activity
> ComponentInfo{br.com.vitorpacheco.B2SShareFeedReader/br.com.vitorpacheco.B2SShareFeedReader.B2SShareFeedReader}:
> java.lang.NullPointerException
>
> If I comment the following line, the application works normally.
>
> btnFeed.setOnClickListener(this);

That line does not exist in your code.

> LogCat http://pastebin.com/dHhLk1TF
> Layout http://pastebin.com/R99Y8Ea3
> Activity http://pastebin.com/gV7KVK55

You must call setContentView() before calling findViewById().

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Mark Murphy (a Commons Guy)
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