Android class to create an outlined text with thick stroke (+ shadow if needed)

TextViewOutline.java

public class TextViewOutline extends AppCompatTextView {

    /*
    Add to attr.xml:
        <declare-styleable name="TextViewOutline">
        <attr name="outlineSize" format="dimension"/>
        <attr name="outlineColor" format="color|reference"/>
        <attr name="android:shadowRadius"/>
        <attr name="android:shadowDx"/>
        <attr name="android:shadowDy"/>
        <attr name="android:shadowColor"/>
        </declare-styleable>

    Usage:
    textView.setOutlineSize(10);
    textView.setOutlineColor(Color.WHITE);
     */

    private static final String TAG = TextViewOutline.class.getSimpleName();
    private static final int DEFAULT_OUTLINE_SIZE = 0;
    private static final int DEFAULT_OUTLINE_COLOR = Color.TRANSPARENT;

    private int mOutlineSize;
    private int mOutlineColor;
    private int mTextColor;
    private float mShadowRadius;
    private float mShadowDx;
    private float mShadowDy;
    private int mShadowColor;

    public TextViewOutline(Context context) {
        this(context, null);
    }

    public TextViewOutline(Context context, AttributeSet attrs) {
        super(context, attrs);
        setAttributes(attrs);
    }

    private void setAttributes(AttributeSet attrs){
        // set defaults
        mOutlineSize = DEFAULT_OUTLINE_SIZE;
        mOutlineColor = DEFAULT_OUTLINE_COLOR;
        // text color
        mTextColor = getCurrentTextColor();
        if(attrs != null) {
            TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.TextViewOutline);
            // outline size
            if (a.hasValue(R.styleable.TextViewOutline_outlineSize)) {
                mOutlineSize = (int) a.getDimension(R.styleable.TextViewOutline_outlineSize, DEFAULT_OUTLINE_SIZE);
            }
            // outline color
            if (a.hasValue(R.styleable.TextViewOutline_outlineColor)) {
                mOutlineColor = a.getColor(R.styleable.TextViewOutline_outlineColor, DEFAULT_OUTLINE_COLOR);
            }
            // shadow (the reason we take shadow from attributes is because we use API level 15 and only from 16 we have the get methods for the shadow attributes)
            if (a.hasValue(R.styleable.TextViewOutline_android_shadowRadius)
                    || a.hasValue(R.styleable.TextViewOutline_android_shadowDx)
                    || a.hasValue(R.styleable.TextViewOutline_android_shadowDy)
                    || a.hasValue(R.styleable.TextViewOutline_android_shadowColor)) {
                mShadowRadius = a.getFloat(R.styleable.TextViewOutline_android_shadowRadius, 0);
                mShadowDx = a.getFloat(R.styleable.TextViewOutline_android_shadowDx, 0);
                mShadowDy = a.getFloat(R.styleable.TextViewOutline_android_shadowDy, 0);
                mShadowColor = a.getColor(R.styleable.TextViewOutline_android_shadowColor, Color.TRANSPARENT);
            }

            a.recycle();
        }

        Log.d(TAG, "mOutlineSize = " + mOutlineSize);
        Log.d(TAG, "mOutlineColor = " + mOutlineColor);
    }

    private void setPaintToOutline(){
        Paint paint = getPaint();
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(mOutlineSize);
        super.setTextColor(mOutlineColor);
        super.setShadowLayer(mShadowRadius, mShadowDx, mShadowDy,  mShadowColor);
    }

    private void setPaintToRegular() {
        Paint paint = getPaint();
        paint.setStyle(Paint.Style.FILL);
        paint.setStrokeWidth(0);
        super.setTextColor(mTextColor);
        super.setShadowLayer(0, 0, 0, Color.TRANSPARENT);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        setPaintToOutline();
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    }

    @Override
    public void setTextColor(int color) {
        super.setTextColor(color);
        mTextColor = color;
    }

    @Override
    public void setShadowLayer(float radius, float dx, float dy, int color) {
        super.setShadowLayer(radius, dx, dy, color);
        mShadowRadius = radius;
        mShadowDx = dx;
        mShadowDy = dy;
        mShadowColor = color;
    }

    public void setOutlineSize(int size){
        mOutlineSize = size;
    }

    public void setOutlineColor(int color){
        mOutlineColor = color;
    }

    @Override
    protected void onDraw(Canvas canvas) {
        setPaintToOutline();
        super.onDraw(canvas);
        setPaintToRegular();
        super.onDraw(canvas);
    }
}