Outline TextView

OutlineTextView.java

public class OutlineTextView extends TextView {
    private static final int DEFAULT_OUTLINE_COLOR = 0xFF000000;
    private static final int DEFAULT_OUTLINE_SIZE = 7;
    private static final boolean DEFAULT_OUTLINE_STATE = true;

    private int outlineColor;
    private int outlineSize;
    private boolean outlineState;

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

    public OutlineTextView(Context context, AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public OutlineTextView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        init();
    }

    private void init() {
        outlineColor = DEFAULT_OUTLINE_COLOR;
        outlineSize = DEFAULT_OUTLINE_SIZE;
        outlineState = DEFAULT_OUTLINE_STATE;
    }

    public void setOutlineColor(int outlineColor) {
        this.outlineColor = outlineColor;
        invalidate();
    }

    public int getOutlineColor() {
        return outlineColor;
    }

    public int getOutlineSize() {
        return outlineSize;
    }

    public void setOutlineSize(int outlineSize) {
        this.outlineSize = outlineSize;
        invalidate();
    }

    public boolean getOutlineState() {
        return outlineState;
    }

    public void setOutlineState(boolean state) {
        outlineState = state;
        invalidate();
    }

    @Override
    public void draw(Canvas canvas) {
        if (outlineState) {
            getPaint().setColor(outlineColor);
            getPaint().setStyle(Paint.Style.STROKE);
            getPaint().setStrokeWidth(outlineSize);

            canvas.save();
            canvas.translate(getCompoundPaddingLeft() + outlineSize, getCompoundPaddingTop());

            getLayout().draw(canvas);
            canvas.restore();
        }

        getPaint().setColor(getCurrentTextColor());
        getPaint().setStyle(Paint.Style.FILL);
        canvas.save();
        canvas.translate(outlineSize, 0);

        super.draw(canvas);
        canvas.restore();
    }
}