打造 Recyclerview 的万能 Holder CommonHolder

来源：互联网发布：深圳赛维网络董事长编辑：程序博客网时间：2024/06/11 08:06
/** * RecyclerView 的通用 Holder * Created by suwenlai on 16-12-27. */public class CommonHolder extends RecyclerView.ViewHolder {    /**     * item里面的控件集     */    protected SparseArray<View> mViews;    protected Context mContext;    /**     * 条目布局     */    protected View mConvertView;    public CommonHolder(View itemView, Context context, ViewGroup parent) {        super(itemView);        mContext = context;        mViews = new SparseArray<>();        mConvertView = itemView;    }    /**     * 获取 ViewHolder     *     * @param context   上下文     * @param parent    parent     * @param layoutId  item 布局文件 id     * @return holder     */    public static CommonHolder getHolder(Context context, ViewGroup parent, int layoutId){        View itemView = LayoutInflater.from(context).inflate(layoutId, parent, false);        CommonHolder viewHolder = new CommonHolder(itemView, context, parent);        return viewHolder;    }    /**     * 通过 viewId 获取控件     *     * @param viewId    item 中 子view 的 id     * @return  子view     */    public <T extends View> T getView(int viewId){        View view = mViews.get(viewId);        if (view == null){            view = mConvertView.findViewById(viewId);            mViews.put(viewId,view);        }        return (T) view;    }    /**     * 给 TextView 设置内容     *     * @param viewId     * @param s     */    public CommonHolder setText(int viewId, String s){        TextView view = getView(viewId);        view.setText(s);        return this;    }    /**     * 给 ImageView 设置内容     *     * @param viewId     * @param resId     */    public CommonHolder setImg(int viewId, int resId){        ImageView view = getView(viewId);        view.setImageResource(resId);        return this;    }    /**     * 给 view 设置点击监听事件     *     * @param viewId     * @param onClickListener     */    public CommonHolder setClickListener(int viewId, View.OnClickListener onClickListener){        View view = getView(viewId);        view.setOnClickListener(onClickListener);        return this;    }}
0 0