如何通过Retrofit2接收Json数组(“结果") [英] How to receive a Json array ("result") with retrofit2
问题描述
我知道在这种类型的数组时如何接收它们:
I know how to receive arrays when they are this type:
[
{
"username": "luis",
"job": "developer",
"age": 23
}
]
我的问题是何时必须接收具有以下特定名称的数组:
my problem is when I must receive an array with a specific name like this:
{"result":[{"userid":"1","username":"Luis","job":"developer","age":"23"}]}
在这种情况下,我必须使用Retrofit2接收名称为"result"的上述数组.谁能帮我,我是Retrofit的新手.
in this case I must receive the array above with the name "result" using retrofit2. Can anyone please help me I'm new at Retrofit.
这是我尝试过的:
MainActivity
MainActivity
apiInterface = ApiClient.getApiClient().create(ApiInterface.class);
Call<List<Workers>> call = apiInterface.getWorkers();
call.enqueue(new Callback<List<Workers>>() {
@Override
public void onResponse(Call<List<Workers>> call, Response<List<Workers>> response) {
list=response.body();
adapter = new WorkerAdapter(getApplicationContext(),list);
recyclerView.setAdapter(adapter);
}
@Override
public void onFailure(Call<List<Workers>> call, Throwable t) {
}
});
ApiClient:
ApiClient:
public class ApiClient {
public static final String BASE_URL="http://192.168.31.206/test1_database/";
public static Retrofit retrofit = null;
public static Retrofit getApiClient(){
if (retrofit==null){
retrofit=new Retrofit.Builder().baseUrl(BASE_URL)
.addConverterFactory(GsonConverterFactory.create()).build();
}
return retrofit;
}
}
ApiInterface:
ApiInterface:
public interface ApiInterface {
@GET("getAllUser.php")
Call<List<Workers>> getWorkers();
}
我的POJO或Workers类:
my POJO or Workers class:
public class Workers {
@SerializedName("username")
String Name;
@SerializedName("job")
String Job;
@SerializedName("age")
int Age;
public String getName() {
return Name;
}
public String getJob() {
return Job;
}
public int getAge() {
return Age;
}
}
最后是我的RecyclerAdpter:
and finally my RecyclerAdpter:
public class WorkerAdapter extends RecyclerView.Adapter<WorkerAdapter.ViewHolder>{
Context context;
List<Workers> list;
public WorkerAdapter(Context context,List<Workers> list) {
this.context = context;
this.list = list;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(context).inflate(R.layout.item_recycler,parent,false);
ViewHolder holder = new ViewHolder(v);
return holder;
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.name.setText(list.get(position).getName());
holder.job.setText(list.get(position).getJob());
holder.age.setText(String.valueOf(list.get(position).getAge()));
}
@Override
public int getItemCount() {
return list.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
TextView name, job, age;
public ViewHolder(View itemView) {
super(itemView);
name= (TextView) itemView.findViewById(R.id.nametxt);
job=(TextView) itemView.findViewById(R.id.jobtxt);
age=(TextView) itemView.findViewById(R.id.agetxt);
}
}
}
我已经被困了两天,但仍然无法解决.请帮忙!
I've been stuck for two days now and I still can't solve it. Please help!
推荐答案
在通过给出的3个答案和一些视频教程进行的大量测试之后,我终于弄清楚了.
After a lot of testing guided by the 3 answers given and some video tutorial I finally figure it out.
ApiClient:
ApiClient:
public class ApiClient {
private static final String BASE_URL="http://192.168.31.206/";
public static Retrofit retrofit = null;
public static ApiInterface instance=null;
public static Retrofit getApiClient(){
if (retrofit==null){
retrofit=new Retrofit.Builder().baseUrl(BASE_URL)
.addConverterFactory(GsonConverterFactory.create()).build();
}
return retrofit;
}
public static ApiInterface getInterface(){
if (instance==null){
instance=getApiClient().create(ApiInterface.class);
}
return instance;
}
}
ApiInterface:
ApiInterface:
public interface ApiInterface {
//this could be test1_database/getAllUser.json
@GET("test1_database/getAllUser.php")
Call<Result> getWorkers();
}
工人(POJO)班:
public class Workers {
@SerializedName("userid")
private String userid;
@SerializedName("username")
private String username;
@SerializedName("job")
private String job;
@SerializedName("age")
private String age;
public String getUserid() {
return userid;
}
public void setUserid(String userid) {
this.userid = userid;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getJob() {
return job;
}
public void setJob(String job) {
this.job = job;
}
public String getAge() {
return age;
}
public void setAge(String age) {
this.age = age;
}
}
结果(POJO)类:
public class Result {
@SerializedName("result")
private List<Workers> result = null;
public List<Workers> getResult() {
return result;
}
public void setResult(List<Workers> result) {
this.result = result;
}
}
MainActivity类:
MainActivity class:
public class MainActivity extends AppCompatActivity {
RecyclerView recyclerView;
List<Workers> list = new ArrayList<>();
WorkerAdapter adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
recyclerView = findViewById(R.id.recycler);
recyclerView.setHasFixedSize(true);
LinearLayoutManager manager = new LinearLayoutManager(this);
manager.setOrientation(LinearLayoutManager.VERTICAL);
recyclerView.setLayoutManager(manager);
ApiInterface apiCall = ApiClient.getInterface();
Call<Result> call = apiCall.getWorkers();
call.enqueue(new Callback<Result>() {
@Override
public void onResponse(Call<Result> call, Response<Result> response) {
list = response.body().getResult();
adapter = new WorkerAdapter(MainActivity.this,list);
recyclerView.setAdapter(adapter);
}
@Override
public void onFailure(Call<Result> call, Throwable t) {
}
});
}}
我正在使用此适配器在recyclerview中显示结果:
I am Showing the results in a recyclerview using this adapter:
public class WorkerAdapter extends RecyclerView.Adapter<WorkerAdapter.ViewHolder>{
Context context;
List<Workers> list;
public WorkerAdapter(Context context,List<Workers> list) {
this.context = context;
this.list = list;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(context).inflate(R.layout.item_recycler,parent,false);
ViewHolder holder = new ViewHolder(v);
return holder;
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
holder.id.setText(String.valueOf(list.get(position).getUserid()));
holder.name.setText(list.get(position).getUsername());
holder.job.setText(list.get(position).getJob());
holder.age.setText(String.valueOf(list.get(position).getAge()));
}
@Override
public int getItemCount() {
return list.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
TextView name, job, age,id;
public ViewHolder(View itemView) {
super(itemView);
id = (TextView) itemView.findViewById(R.id.idtxt);
name= (TextView) itemView.findViewById(R.id.nametxt);
job=(TextView) itemView.findViewById(R.id.jobtxt);
age=(TextView) itemView.findViewById(R.id.agetxt);
}
}
}
感谢大家的帮助!
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