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Editorial Team
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Asked: 2026-06-11T17:06:21+00:00

I have Android project (com.appocaliptic.quizknife.app) which uses Android library (com.appocaliptic.quizknife.core). What I am trying

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I have Android project (com.appocaliptic.quizknife.app) which uses Android library (com.appocaliptic.quizknife.core).

What I am trying to do, is to get resource id of the picture which is the library. Path to the image is: res/drawable-xhdpi/fr_200_133.png

However, all tries with getIdentifier result 0. Where is the problem?

resId = getResources().getIdentifier("fr_200_133", "drawable", "com.appocaliptic.quizknife.core");
resId = getResources().getIdentifier("com.appocaliptic.quizknife.core:drawable/"+"fr_200_133", null, null);
resId = getResources().getIdentifier("drawable/fr_200_133", null, "com.appocaliptic.quizknife.core");

Edited:

Ach, and in R.java there is drawable and corensponding attribute.

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1 Answer

  1. Editorial Team

    You should not be using the library package name. Try this instead:

    resId = getResources().getIdentifier("fr_200_133", "drawable", getPackageName());

    (or getContext().getPackageName() if this is executing in a view).

    The key is that you need to use the app’s package name (as listed in the manifest) rather than the library’s package name (which actually disappears when creating the app).

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