java - 在类问题上找不到类型的设置器/字段

Question

我正在 Android Studio 中创建一个应用程序，它连接到 Cloud Firestore 数据库。在数据库中，我具有以下结构：

package com.example.gym.models;

public class PopularModel {

    String name;
    String description;
    String rating;
    String discount;
    String type;
    String img_url;

    public PopularModel() {
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public String getRating() {
        return rating;
    }

    public void setRating(String rating) {
        this.rating = rating;
    }

    public String getDiscount() {
        return discount;
    }

    public void setDiscount(String discount) {
        this.discount = discount;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getImg_url() {
        return img_url;
    }

    public void setImg_url(String img_url) {
        this.img_url = img_url;
    }
}

当我运行程序时，它显示在类 com.example.gym.models.PopularModel 上找不到类型的设置器/字段。有人能帮助我吗？

标签： javaandroid-studio

Answer 1

您是否尝试过添加参数化构造函数？

package com.example.gym.models;

public class PopularModel {

    String name;
    String description;
    String rating;
    String discount;
    String type;
    String img_url;

    public PopularModel() {
    }

    public PopularModel(String name, String description, String rating, String discount, String type, String img_url) {
        this.name = name;
        this.description = description;
        this.rating = rating;
        this.discount= discount;
        this.type = type;
        this.img_url = img_url;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public String getRating() {
        return rating;
    }

    public void setRating(String rating) {
        this.rating = rating;
    }

    public String getDiscount() {
        return discount;
    }

    public void setDiscount(String discount) {
        this.discount = discount;
    }

    public String getType() {
        return type;
    }

    public void setType(String type) {
        this.type = type;
    }

    public String getImg_url() {
        return img_url;
    }

    public void setImg_url(String img_url) {
        this.img_url = img_url;
    }
}