假設(shè)其中有一個RecyclerView包含CardView，在每張卡片中，即項(xiàng)目中有兩個TextView用于設(shè)備名稱，另一個用于 rssi 級別，因此當(dāng)用戶刷新數(shù)據(jù)時，只有 rssi 會刷新而不是整個列表刷新.我已經(jīng)獲得了數(shù)據(jù)，RecyclerView但它是重復(fù)的而不是更新它。模型類：-import android.support.annotation.NonNull;public class RepeaterModel implements Comparable,Cloneable{    public String macdev;    public int rssi ;    public int imageid;    public RepeaterModel(String macdev, int rssi, int imageid) {        this.macdev = macdev;        this.rssi = rssi;        this.imageid = imageid;    }    public String getMacdev() {        return macdev;    }    public void setMacdev(String macdev) {        this.macdev = macdev;    }    public int getRssi() {        return rssi;    }    public void setRssi(int rssi) {        this.rssi = rssi;    }    public int getImageid() {        return imageid;    }    public void setImageid(int imageid) {        this.imageid = imageid;    }    @Override    public int compareTo(@NonNull Object o) {        RepeaterModel compare =(RepeaterModel)o;        if(compare.getMacdev().equals(this.macdev) && compare.getImageid()==this.imageid && compare.getRssi()==this.rssi)        {            return 0;        }        return 1;    }    @Override    public RepeaterModel clone()    {        RepeaterModel clone;        try {            clone = (RepeaterModel) super.clone();        } catch (CloneNotSupportedException e) {            throw new RuntimeException(e); //should not happen        }        return clone;    }}