TextViewLine.java

/**
 * Created by felipearimateia on 02/11/14.
 */
public class TextViewLine extends TextView{

    private BorderDrawable borderDrawable;
    private int selectColor;
    private int backgroundColor;

    public TextViewLine(Context context) {
        super(context);
    }

    public TextViewLine(Context context, AttributeSet attrs) {
        super(context, attrs);
        configAttributeSet(context, attrs);
    }

    public TextViewLine(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        configAttributeSet(context, attrs);

    }

    private void configAttributeSet(Context context, AttributeSet attrs) {
        TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.TextViewLine, 0, 0);

        try {

           selectColor =  a.getColor(R.styleable.TextViewLine_selectColor, Color.WHITE);
           backgroundColor =  a.getColor(R.styleable.TextViewLine_backgroundColor, Color.TRANSPARENT);

        }finally {

            a.recycle();
        }
    }

    @Override
    public void setSelected(boolean selected) {
        super.setSelected(selected);

        if (selected) {
            addBoard();
        }
        else {
            setBackgroundColor(backgroundColor);
        }
    }

    private void addBoard() {

        if(borderDrawable == null)
            borderDrawable = new BorderDrawable();

        borderDrawable.setBottomBorder(4, selectColor);

        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
            setBackgroundDrawable(borderDrawable);
        }
        else {
            setBackground(borderDrawable);
        }
    }
}