我想将我的json字符串响应从API转换为object:
val obj = Json.decodeFromString<MyModel>(jsonResponseString)
我的数据类:
@Serializable
data class MyModel(
@SerializedName("field") val field: String
)
它看起来非常简单,并且在调试模式下工作!
但当编译了AppBundle,在发布模式下构建,并从Play Store内部测试下载应用程序时,我得到了以下错误:
Serializer for class '...' is not found. Mark the class as @serializable or provide the
serializer explicitly.
kotlinx.serialization.internal.Platform_commonKt.serializerNotRegistered
发布于 2021-02-06 22:13:04
如果您使用的是minifyEnabled true
,则应将此代码添加到proguard.pro中
-keepattributes *Annotation*, InnerClasses
-dontnote kotlinx.serialization.AnnotationsKt # core serialization annotations
# kotlinx-serialization-json specific. Add this if you have java.lang.NoClassDefFoundError kotlinx.serialization.json.JsonObjectSerializer
-keepclassmembers class kotlinx.serialization.json.** {
*** Companion;
}
-keepclasseswithmembers class kotlinx.serialization.json.** {
kotlinx.serialization.KSerializer serializer(...);
}
# Change here com.yourcompany.yourpackage
-keep,includedescriptorclasses class com.yourcompany.yourpackage.**$$serializer { *; } # <-- change package name to your app's
-keepclassmembers class com.yourcompany.yourpackage.** { # <-- change package name to your app's
*** Companion;
}
-keepclasseswithmembers class com.yourcompany.yourpackage.** { # <-- change package name to your app's
kotlinx.serialization.KSerializer serializer(...);
}
请确保将占位符包名称替换为应用程序包名称
发布于 2020-12-25 04:38:24
我找到了下一个解决方案:
第一步,我添加了@Keep anotation。Keep anotation表示,当代码在构建时缩小时,不应删除带注释的元素:
@Keep
@Serializable
data class MyModel(
@SerializedName("field") val field: String
)
第二步,我将我的json转换为对象,对序列化程序进行静态引用:
val objError = Json {ignoreUnknownKeys = true}.decodeFromString(MyModel.serializer(), jsonResponseString)
别忘了导入并实现最新版本的:
'org.jetbrains.kotlin.plugin.serialization'
它成功了,它拯救了我的一天!
发布于 2021-08-29 04:08:15
我已经修复了Gradle文件中的这些更改,在构建项目gradle中,将以下行添加到依赖项中:
classpath "org.jetbrains.kotlin:kotlin-serialization:1.5.21"
还要将这些添加到构建应用gradle中:
plugins {
...
id 'kotlinx-serialization'
}
dependencies {
...
implementation 'org.jetbrains.kotlinx:kotlinx-serialization-json:1.2.2'
}
请注意,版本号可能不同。
https://stackoverflow.com/questions/65443052
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