RecyclerViewHeader.java 文件源码

private void initView(Context context) {
    preferences = PreferenceManager.getDefaultSharedPreferences(context);
    // 初始情况，设置下拉刷新view高度为0
    LayoutParams lp = new LayoutParams(
            LayoutParams.FILL_PARENT, 0);
    mContainer = (LinearLayout) LayoutInflater.from(context).inflate(
            R.layout.lfrecyclerview_header, null);
    addView(mContainer, lp);
    setGravity(Gravity.BOTTOM);

    mArrowImageView = findViewById(R.id.lfrecyclerview_header_arrow);
    mHintTextView = findViewById(R.id.lfrecyclerview_header_hint_textview);
    mProgressBar = findViewById(R.id.lfrecyclerview_header_progressbar);
    lfrecyclerview_header_time= findViewById(R.id.lfrecyclerview_header_time);

    mRotateUpAnim = new RotateAnimation(0.0f, -180.0f,
            Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
            0.5f);
    mRotateUpAnim.setDuration(ROTATE_ANIM_DURATION);
    mRotateUpAnim.setFillAfter(true);
    mRotateDownAnim = new RotateAnimation(-180.0f, 0.0f,
            Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF,
            0.5f);
    mRotateDownAnim.setDuration(ROTATE_ANIM_DURATION);
    mRotateDownAnim.setFillAfter(true);

}