java改型+POST方法+WWWFORMURLENCODE

1 周，4 日 Questions & Answers 17522

我对改装有问题。我对这个图书馆很陌生，所以任何帮助对我都很重要。我正在尝试从应用程序登录到服务器made based on this tutorial（http://localhost/task_manager/v1/login），并在结果中获取包含用户信息的json

主要活动。爪哇

private void requestData() {

    String email = "ch@ro.me";
    String password = "chrome11";
    //retrofit tworzenie polecenia
    RestAdapter adapter = new RestAdapter.Builder()
      .setEndpoint(ENDPOINT)
      .build();

    //tworzenie api klasy flowers
    UsersAPI api = adapter.create(UsersAPI.class);


    api.login(email, password, new Callback < User > () {@
      Override
      public void failure(final RetrofitError error) {
        安卓.util.Log.i("example", "Error, body: " + error.getBody().toString());

      }@
      Override
      public void success(User user, Response response) {
        // Do something with the User object returned
        //Log.d("hello", response.toString());
      }
    });

UsersApi。爪哇

public interface UsersAPI {

  //    @Headers({
  //        "content-type:application/x-www-form-urlencoded"
  //    })
  @FormUrlEncoded
  @POST("/login")
  public void login(@Field("email") String email, @Field("password") String password,
    Callback < User > callback);
}

用户。爪哇

public class User {

  private String error;
  private String name;
  private String email;
  private String apiKey;
  private String createdAt;

  public String getError() {
    return error;
  }
  public void setError(String error) {
    this.error = error;
  }
  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  public String getEmail() {
    return email;
  }
  public void setEmail(String email) {
    this.email = email;
  }
  public String getApiKey() {
    return apiKey;
  }
  public void setApiKey(String apiKey) {
    this.apiKey = apiKey;
  }
  public String getCreatedAt() {
    return createdAt;
  }
  public void setCreatedAt(String createdAt) {
    this.createdAt = createdAt;
  }


}

04-20 01:37:46.358: D/gralloc_goldfish(671): Emulator without GPU emulation detected.
04-20 01:37:55.469: D/dalvikvm(671): GC_CONCURRENT freed 200K, 3% free 10978K/11271K, paused 26ms+15ms, total 87ms
04-20 01:38:20.518: D/AndroidRuntime(671): Shutting down VM
04-20 01:38:20.518: W/dalvikvm(671): threadid=1: thread exiting with uncaught exception (group=0x40a13300)
04-20 01:38:20.540: E/AndroidRuntime(671): FATAL EXCEPTION: main
04-20 01:38:20.540: E/AndroidRuntime(671): java.lang.NullPointerException
04-20 01:38:20.540: E/AndroidRuntime(671):  at retrofit.RetrofitError.getBody(RetrofitError.java:80)
04-20 01:38:20.540: E/AndroidRuntime(671):  at com.hanselandpetal.catalog.MainActivity$1.failure(MainActivity.java:87)
04-20 01:38:20.540: E/AndroidRuntime(671):  at retrofit.CallbackRunnable$2.run(CallbackRunnable.java:53)
04-20 01:38:20.540: E/AndroidRuntime(671):  at 安卓.os.Handler.handleCallback(Handler.java:615)
04-20 01:38:20.540: E/AndroidRuntime(671):  at 安卓.os.Handler.dispatchMessage(Handler.java:92)
04-20 01:38:20.540: E/AndroidRuntime(671):  at 安卓.os.Looper.loop(Looper.java:137)
04-20 01:38:20.540: E/AndroidRuntime(671):  at 安卓.app.ActivityThread.main(ActivityThread.java:4745)
04-20 01:38:20.540: E/AndroidRuntime(671):  at java.lang.reflect.Method.invokeNative(Native Method)
04-20 01:38:20.540: E/AndroidRuntime(671):  at java.lang.reflect.Method.invoke(Method.java:511)
04-20 01:38:20.540: E/AndroidRuntime(671):  at com.安卓.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
04-20 01:38:20.540: E/AndroidRuntime(671):  at com.安卓.internal.os.ZygoteInit.main(ZygoteInit.java:553)
04-20 01:38:20.540: E/AndroidRuntime(671):  at dalvik.system.NativeStart.main(Native Method)

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java改型+POST方法+WWWFORMURLENCODE

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