小编Mit*_*ana的帖子

我试图设置不同的背景颜色,cardview但它不起作用我有颜色数组包含颜色

public class DashboardAdapter extends RecyclerView.Adapter<DashboardAdapter.MyViewHolder> {
    private Context mContext;
    private List<String> leavetypeList;
    private List<String> leavebalanceList;

    public String[] mColors = {
            "3F51B5","FF9800","009688","673AB7"
    };


    public class MyViewHolder extends RecyclerView.ViewHolder {
        public TextView leavecount,leavename;
        public ImageView thumbnail;
        public RelativeLayout rlauthor;
        CardView cardView;
        View viewline;

        public MyViewHolder(View view) {
            super(view);
            leavecount = (TextView)view.findViewById(R.id.tvleavenumber);
            leavename = (TextView)view.findViewById(R.id.tvleavetype);
            cardView=(CardView) view.findViewById(R.id.cdvdashboard);
        }
    }

    public DashboardAdapter(Context context, List<String> leavetypeList,List<String> leavebalanceList) {
        this.mContext = context;
        this.leavetypeList = leavetypeList;
        this.leavebalanceList = leavebalanceList;
    }

    @Override
    public MyViewHolder onCreateViewHolder(ViewGroup …