CODEWITHSUNDEEP
javaandroidresources
user2667864
user2667864

Reputation: 1

Android: Resources.getSystem().getIdentifier returns java.lang.IllegalArgumentException

I'm tring to get an id of the picture by name someId = "hd_2" Resources.getSystem().getIdentifier(someId, "drawable", getPackageName());

public static final class drawable {
    ...
    public static final int hd_2=0x7f020088;
    ...
}

Why it might return java.lang.IllegalArgumentException : Invalid method?

update:

I moved Resources.getSystem().getIdentifier from onCreate to onStart, now it returns 0.

Upvotes: 0

Views: 1138

Answers (2)

stkotok
stkotok

Reputation: 111

Maybe this can help you: https://stackoverflow.com/a/15488321/3633665

int resId=YourActivity.this.getResources().getIdentifier("res_name", "drawable", YourActivity.this.getPackageName());

Upvotes: 0

devunwired
devunwired

Reputation: 63293

From the documentation on Resources.getSystem():

Return a global shared Resources object that provides access to only system resources (no application resources), and is not configured for the current screen (can not use dimension units, does not change based on orientation, etc).

You are looking in the wrong Resources object. You need to get the instance from your current Context. Something like:

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    Resources res = getResources();
    int resId = res.getIdentifier(someId, "drawable", getPackageName());
}

Upvotes: 1

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