Android setImageResource NullPointerException?

You do indeed get a NullPointerException because that widget does not exist in your main. Xml file. R.

* lists every single ressource in your application, so that's why you see R.id. ImageView1 in it You should either copy the contents of your items. Xml file in your main.

Xml, or use to include items. Xml or main. Xml, or just change your code logic If you are trying to access items in a list, you should be using a ListView in main.

Xml, and use an adapter. You'll find a nice tutorial about this here : softwarepassion.com/android-series-custo....

You do indeed get a NullPointerException because that widget does not exist in your main. Xml file. R.

* lists every single ressource in your application, so that's why you see R.id. ImageView1 in it. You should either copy the contents of your items.

Xml file in your main. Xml, or use to include items. Xml or main.

Xml, or just change your code logic. If you are trying to access items in a list, you should be using a ListView in main. Xml, and use an adapter.

You'll find a nice tutorial about this here : softwarepassion.com/android-series-custo....

Thanks, but I have no idea how to include the image view in my main. Xml file. Do I just say "/>"?

– Kgrover Jul 4 at 18:10 You could just copy/paste the layout in it. – Gregory Jul 4 at 19:04 oh ok, but this is what I aim to do in my app: I have a list in my main layout, and when clicked, I want to display this layout, "item. Xml", which should have an imageview in it... so how would I do this from my PainLogger.

Java file? – Kgrover Jul 4 at 19:36 You could switch to this layout using setContentView(R.layout. Item) in your activity.

– Gregory Jul 4 at 21:24.

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