I would like to store drawable resources' ID in the form of R.drawable.* inside an array using an XML values file, and then retrieve the array in my activity.
Any ideas of how to achieve this?
ベストアンサー1
You use a typed array in arrays.xml file within your /res/values folder that looks like this:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<integer-array name="random_imgs">
<item>@drawable/car_01</item>
<item>@drawable/balloon_random_02</item>
<item>@drawable/dog_03</item>
</integer-array>
</resources>
Then in your activity, access them like so:
TypedArray imgs = getResources().obtainTypedArray(R.array.random_imgs);
// get resource ID by index, use 0 as default to set null resource
imgs.getResourceId(i, 0)
// or set you ImageView's resource to the id
mImgView1.setImageResource(imgs.getResourceId(i, 0));
// recycle the array
imgs.recycle();