Android Room库错误:找不到字段的设置器. (科特琳) [英] Android Room library error: Cannot find setter for field. (Kotlin)

问题描述

我正在使用房间图书馆，并且有以下提到的实体:

I am using room library and I have below mentioned entity:

@Parcelize
@Entity(tableName = "tb_option")
data class OptionsTable(
        var question_id: Int? = null,
        var option_id: Int? = null,
        var option: String? = null,
        var is_selected: Int? = null,


        @PrimaryKey(autoGenerate = true)
        var sr_no: Int = 0) : Parcelable

如您所见，我将所有字段声明为var，但仍显示错误为:

as you can see I have all the field declared as var but it is still showing error as:

error: Cannot find setter for field.
e: 

e:     private java.lang.Integer is_selected;
e:      



                     ^

请为此提出一些解决方案.

please suggest some fix for this.

谢谢

推荐答案

我从

@PrimaryKey(autoGenerate = true)
        var sr_no: Int = 0

，最后的代码是:

@PrimaryKey(autoGenerate = true)
        var sr_no: Int

为我工作，因为它是一个自动生成的字段.

worked for me because it was an auto-generated field.

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