程序元之路

 
getWindow().getDecorView().getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
    @Override
    public void onGlobalLayout() {
        mImgKeyboard.setImageResource(KeyboardUtils.isSoftShowing(ForumsPublishPostActivity.this)
                ? R.mipmap.jianpan_down_ico : R.mipmap.jianpan_ico);
 
        // 除了软键盘以外的可见区域
        Rect rect = new Rect();
        getWindow().getDecorView().getWindowVisibleDisplayFrame(rect);
        // 计算出剩余高度：  除了状态栏高度、topBar高度、bottomBar高度、键盘高度的剩余高度
        int invisibleHeight = rect.bottom
                - ViewUtils.getSystemBarHeight(ForumsPublishPostActivity.this)
                - ViewUtils.dp2px(ForumsPublishPostActivity.this, 44)
                - ViewUtils.dp2px(ForumsPublishPostActivity.this, 44);
 
        // 计算出所点击的图片描述的EditText距离RecyclerView顶部的距离
        View etDescView = mRecyclerview.getLayoutManager().findViewByPosition(mAdapter.etFocusPosition);
        if (etDescView != null) {
            int focusViewTop = etDescView.getTop();
            int itemHeight = etDescView.getHeight();
 
            int differ = focusViewTop + itemHeight - invisibleHeight;
            if (differ > 0) {
                // 让RecyclerView滚动差的那点距离
                mRecyclerview.scrollBy(0, differ);
            }
        }
 
    }
});