mmy attempt
********************************

    private static class ResourcesKey {
        final private String mResDir;
        final private int mDisplayId;
        final private Configuration mOverrideConfiguration;
        final private float mScale;
        final private boolean mIsThemeable;
        final private int mHash;


        ResourcesKey(String resDir, int displayId, Configuration overrideConfiguration, float scale) {
            this(resDir, displayId, overrideConfiguration, scale, true);
        }

        ResourcesKey(String resDir, int displayId, Configuration overrideConfiguration, float scale, boolean isThemeable) {
            mResDir = resDir;
            mDisplayId = displayId;
            if (overrideConfiguration != null) {
                if (Configuration.EMPTY.equals(overrideConfiguration)) {
                    overrideConfiguration = null;
                }
            }
            mOverrideConfiguration = overrideConfiguration;
            mScale = scale;
            int hash = 17;
            hash = 31 * hash + mResDir.hashCode();
            hash = 31 * hash + mDisplayId;
            hash = 31 * hash + (mOverrideConfiguration != null
                    ? mOverrideConfiguration.hashCode() : 0);
            hash = 31 * hash + Float.floatToIntBits(mScale);
            mHash = hash;
            mIsThemeable = isThemeable;
            mHash = mResDir.hashCode() << 3 + ((mIsThemeable ? 1 : 0) << 2) + (int) (mScale * 2);
        }

**************
method from 4.1.2
*****************

    private static class ResourcesKey {
        final private String mResDir;
        final private float mScale;
        final private boolean mIsThemeable;
        final private int mHash;

        ResourcesKey(String resDir, float scale, boolean isThemeable) {
            mResDir = resDir;
            mScale = scale;
            mIsThemeable = isThemeable;
            mHash = mResDir.hashCode() << 3 + ((mIsThemeable ? 1 : 0) << 2) + (int) (mScale * 2);
        }

AmG zHaLpZ!!!!!!!!111