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java - 改造 response.body() 为 null,但 API JSON 在 Logcat 中可见

转载 作者:行者123 更新时间:2023-11-30 00:47:08 25 4
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我的 Android Java REST API 代码与另一个使用 JSON 对象层次结构(也称为 List-bracket-object1-bracket object2)的 REST API 完美配合。现在我转向简化的 API(googlemaps timezone - 只是一个具有 5 个字段的简单对象),但我无法弄清楚如何将 google 数据获取到我的对象中。

我收到状态代码 200,我可以在我的 logcat 中看到 googlemaps 输出/JSON,但我的对象为空。我读了这篇文章“0 Retrofit 2: response.body() is null, but status code is 200 2”,我确信我遇到了同样的问题,但我不知道如何调整我的对象模型来修复它。这是我的东西...

1 - 我正在访问的 API/URL: https://maps.googleapis.com/maps/api/timezone/json?location=39.6034810,-119.6822510&timestamp=1331161200&key=xxxxxx

2 - API/URL 返回的内容(来 self 的 LogCat)

D/OkHttp: {
D/OkHttp: "dstOffset" : 0,
D/OkHttp: "rawOffset" : -28800,
D/OkHttp: "status" : "OK",
D/OkHttp: "timeZoneId" : "America/Los_Angeles",
D/OkHttp: "timeZoneName" : "Pacific Standard Time"
D/OkHttp: }

3 - Logcat 显示对象为空

Log.e(" main ", " apt " + response.body().getResults());
E/ main: apt null

4 - 调用例程

ApiInterface apiService = ApiClient.getClient(1).create(ApiInterface.class);
Call<ApiTimes> call = apiService.getTime(location,epoch,GOOG_TZ_KEY);
call.enqueue(new Callback<ApiTimes>() {
@Override
public void onResponse(Call<ApiTimes> call, Response<ApiTimes> response) {
int statusCode = response.code();
Log.e(" main ", " apt " + response.body().getResults());
}
@Override
public void onFailure(Call<ApiTimes> call, Throwable t) {
Log.e(" getFS ", t.toString());
}
});

5 - 对象。

public class ApiTime {

@SerializedName("apitime")
private ApiTime apitime;

@SerializedName("dstOffset")
@Expose
private Long dstOffset;
@SerializedName("rawOffset")
@Expose
private Long rawOffset;
@SerializedName("status")
@Expose
private String status;
@SerializedName("timeZoneId")
@Expose
private String timeZoneId;
@SerializedName("timeZoneName")
@Expose
private String timeZoneName;

public ApiTime(Long dstOffset, Long rawOffset, String status, String timeZoneId, String timeZoneName) {
this.dstOffset = dstOffset ;
this.rawOffset = rawOffset ;
this.status = status ;
this.timeZoneId = timeZoneId ;
this.timeZoneName = timeZoneName ;
}

public ApiTime getResults() {
return apitime;
}

public void setResults(ApiTime apitimes) {
this.apitime = apitime;
}

public Long getDstOffset() {
return dstOffset;
}
public void setDstOffset(Long dstOffset) {
this.dstOffset = dstOffset;
}
public Long getRawOffset() {
return rawOffset;
}
public void setRawOffset(Long rawOffset) {
this.rawOffset = rawOffset;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public String getTimeZoneId() {
return timeZoneId;
}
public void setTimeZoneId(String timeZoneId) {
this.timeZoneId = timeZoneId;
}
public String getTimeZoneName() {
return timeZoneName;
}
public void setTimeZoneName(String timeZoneName) {
this.timeZoneName = timeZoneName;
}

@Override
public String toString() {
return "ApiTime{" +
"dstOffset=" + dstOffset +
", rawOffset=" + rawOffset +
", status='" + status + '\'' +
", timeZoneId='" + timeZoneId + '\'' +
", timeZoneName='" + timeZoneName + '\'' +
'}';
}
}

6 - 这是两个调用例程:

public class ApiClient {
public static final String URL0 = blah blah
public static final String URL1 = "https://maps.googleapis.com/maps/api/timezone/";
private static Retrofit retrofit = null;
public static String BASE_URL = "www.google.com";
public static Retrofit getClient(int url) {

BASE_URL = URL0;
if (url == 1){
BASE_URL = URL1;
}
//The following block of code generates OkHttpClient loggging to LogCat.
//Only use if debugging.
OkHttpClient.Builder client = new OkHttpClient.Builder();
HttpLoggingInterceptor loggingInterceptor = new HttpLoggingInterceptor();
loggingInterceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
client.addInterceptor(loggingInterceptor);
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(BASE_URL)
.client(client.build())
.addConverterFactory(GsonConverterFactory.create())
.build();

//Retrofit retrofit = new Retrofit.Builder()
// .baseUrl(BASE_URL)
// .addConverterFactory(GsonConverterFactory.create())
// .build();

return retrofit;
}
}

public interface ApiInterface {
@GET("json")
Call<ApiTimes> getTime(@Query("location") String location, @Query("timestamp") String timestamp, @Query("key") String key);
}

最佳答案

看起来你应该使用 ApiTime 而不是 ApiTimes

我在日志中的 json 中没有看到 @SerializedName("apitimes")

public interface ApiInterface {
@GET("json")
Call<ApiTime> getTime(@Query("location") String location, @Query("timestamp") String timestamp, @Query("key") String key);
}

-

ApiInterface apiService = ApiClient.getClient(1).create(ApiInterface.class);
Call<ApiTime> call = apiService.getTime(location, epoch, GOOG_TZ_KEY);
call.enqueue(new Callback<ApiTime>() {
@Override
public void onResponse(Call<ApiTime> call, Response<ApiTime> response) {
int statusCode = response.code();
Log.e("main", "apt " + response.body());
}

@Override
public void onFailure(Call<ApiTime> call, Throwable t) {
Log.e("getFS ", t.toString());
}
});

-

public class ApiTime {

@SerializedName("dstOffset")
private Long dstOffset;

@SerializedName("rawOffset")
private Long rawOffset;

@SerializedName("status")
private String status;

@SerializedName("timeZoneId")
private String timeZoneId;

@SerializedName("timeZoneName")
private String timeZoneName;

// getters here
}

关于java - 改造 response.body() 为 null,但 API JSON 在 Logcat 中可见,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41616848/

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