WheelView.java 文件源码

/**
 * Initialize.
 *
 * @param context
 */
private void initialize(Context context) {
    this.setVerticalScrollBarEnabled(false);
    this.setSlotInCenter(true);
    this.setOrientation(TosGallery.VERTICAL);
    this.setGravity(Gravity.CENTER_HORIZONTAL);
    this.setUnselectedAlpha(1.0f);

    // This lead the onDraw() will be called.
    this.setWillNotDraw(false);

    // The selector rectangle drawable.
    this.mSelectorDrawable = getContext().getResources().getDrawable(R.drawable.wheel_val);
    this.mTopShadow = new GradientDrawable(Orientation.TOP_BOTTOM, SHADOWS_COLORS);
    this.mBottomShadow = new GradientDrawable(Orientation.BOTTOM_TOP, SHADOWS_COLORS);

    // The default background.
    this.setBackgroundResource(R.drawable.wheel_bg);

    // Disable the sound effect default.
    this.setSoundEffectsEnabled(false);
}