RxRecyclerAdapter | Rx based RecyclerView Adapter | RecyclerView library

I have developed an Android app, using Moshi as one of its dependencies.

Today I want to enable minify for this project. So I set minifyEnabled true in my build.gradle.

After that, I found that all responses from server become null.

First of all, I am using Retrofit2 to call APIs. The JSON body in Response.body() is not null and have correct values.

The response body is as below (simplified):

{"status":"success","data":{"user": "I am a user"}}

And I am using the code below to convert it to my own object:

val someResponse = Moshi.Builder().add(KotlinJsonAdapterFactory()).build().adapter(SomeResponse::class.java).fromJson(theJsonString)

While the code for SomeResponse: