Java tutorial
//package com.java2s; import android.content.Context; import android.content.res.Resources; public class Main { public static float getPxFromDimen(Context context, String resName) { Resources resources = context.getResources(); int resId = resources.getIdentifier(resName, "dimen", context.getPackageName()); if (resId <= 0) return -1; return resources.getDimension(resId); } }