kfealz wrote:
> I have an ImageView declared like so:
>
> <ImageView
> android:id="@+id/contactImg"
> android:layout_width="wrap_content"
> android:layout_height="wrap_content"
> android:src="@+drawable/ruski"
> />
>
> Right now it uses the image "Ruski" under res/drawable. I'd like to
> be able to change that image from Java, but I've had a lot of problems
> with it.
>
> This is what I have right now:
> if(msgFrom.equals("Ruski"))
> ((ImageView)findViewById(R.id.contactImg)).setImageDrawable(getResources().getDrawable(R.drawable.ruski));
> else if(msgFrom.equals("Fealz"))
> ((ImageView)findViewById(R.id.contactImg)).setImageDrawable(getResources().getDrawable(R.drawable.fealz));
>
> but I get a null pointer exception when I run it.
Does
((ImageView)findViewById(R.id.contactImg)).setImageResource(R.drawable.fealz)
work better?
If not, try decomposing those lines to figure out which of all those
calls is the one returning the null pointer.
--
Mark Murphy (a Commons Guy)
http://commonsware.com
The Busy Coder's Guide to Android Development -- coming in June 2008!
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