runAndRetry not working when type of ApiResponse had type variable about sandwich

[skydoves]

Hey @ldileh, what is the return type of the otpVerification method? You should return a non-nullable type for using it.

[ldileh]

otpVerification return ApiResponse<BaseResponse<TokenResponseModel>>.

inside the class BaseResponse is :
@Keep @Serializable data class BaseResponse<T>( @SerializedName("error") val error: ErrorModel? = null, @SerializedName("success") val success: Boolean?, @SerializedName("data") val data: T? = null )

and for class TokenResponseModel is :
@Keep data class TokenResponseModel( @SerializedName("accessToken") val accessToken: String?, @SerializedName("refreshToken") val refreshToken: String? )

[skydoves]

@ldileh What happens if you add !! at the end of the otpVerification method?

[skydoves]

I just tested with the demo project and it looks work for me.

interface DisneyService {
  
  @GET("")
  suspend fun fetchItems(): ApiResponse<BaseResponse<List<Poster>>>
}

    val retryPolicy = object : RetryPolicy {
      override fun shouldRetry(attempt: Int, message: String?): Boolean = false

      override fun retryTimeout(attempt: Int, message: String?): Int  = 3
    }

    runAndRetry(retryPolicy) { _, _ ->
      disneyService.fetchItems()
    }

[ldileh]

oh great it's work! what happens in that part?

[skydoves]

I don't know the details of the otpVerification method, but it returns a nullable type for some reason.

[ldileh]

then what if the body response had case null? how can I handle that part?

let's say, the problem is in the endpoint :
case 1: success it returns json body
case 2 : It return success HTTP code, but for some reason, the body is null because the endpoint had a problem.

how can I handle case 2? it will turn to method onError or onException automatically?

usually I handle this case with nullable symbols. That way, usually the application won't crash and we just have to handle the null response

[ldileh]

ah sorry @skydoves, I just read the documentation again. apparently I can use getOrNull(). stupid of me lol
thanks btw bro @skydoves for your support