How to refer to a random integer in R.raw method in Android?

I have this code

Random x = new Random(44);
int l = x.nextInt();
int path = R.raw.l;

I know it doesn't work that way,but it explains my situation the most. i.e. Providing l==开发者_如何转开发5, i want to use R.raw.5 as the path. however, R.raw seems to understand only straightforward values, not the referred ones. Please help!

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You can get int indentifier from your activity with this code:

Random x = new Random(44);
int l = x.nextInt();
int path = getResources().getIdentifier(String.valueOf(l), "raw", getPackageName());

More info in documentation: http://developer.android.com/reference/android/content/res/Resources.html#getIdentifier%28java.lang.String,%20java.lang.String,%20java.lang.String%29