JAVA代码设置selector不同状态下的背景颜色

/**
 * 设置背景选择器
 *
 * @param pressedDraw
 * @param normalDraw
 * @return
*/
private StateListDrawable getSelector(Drawable normalDraw, Drawable pressedDraw) {
    StateListDrawable stateListDrawable = new StateListDrawable();
    stateListDrawable.addState(new int[]{android.R.attr.state_selected}, pressedDraw);
    stateListDrawable.addState(new int[]{}, normalDraw);
    return stateListDrawable;
}

/**
 * 设置shape
 *
 * @param radius
 * @param fillColor
 * @param width
 * @param strokeColor
 * @return
 */
private GradientDrawable getDrawable(int radius, int fillColor, int width, int strokeColor) {
  GradientDrawable gradientDrawable = new GradientDrawable();
  gradientDrawable.setCornerRadius(radius);
  gradientDrawable.setColor(fillColor);
  gradientDrawable.setStroke(width, strokeColor);
  return gradientDrawable;
}

GradientDrawable normal = getDrawable(0, Color.WHITE, 1, getResources().getColor(R.color.app_line_color));
GradientDrawable press = getDrawable(0, Color.WHITE, 1, getResources().getColor(Config.currentThemeColorId));
StateListDrawable selector = getSelector(normal, press);
textView.setBackground(selector);