Arrays 应为BEGIN_数组,但在第1行第2列路径$22处为BEGIN_对象
我想访问JSON数组。所以我创建了2个对象!!看看我的代码,网址 Url-cricapi.com/api/matches/?apikey=JimJAfsmRGOnDpCrRrqO6htlilg1 我的火柴Arrays 应为BEGIN_数组,但在第1行第2列路径$22处为BEGIN_对象,arrays,json,android-studio,retrofit,Arrays,Json,Android Studio,Retrofit,我想访问JSON数组。所以我创建了2个对象!!看看我的代码,网址 Url-cricapi.com/api/matches/?apikey=JimJAfsmRGOnDpCrRrqO6htlilg1 我的火柴 package com.piyushjaiswal.jsonpractis; public class MatchesArray { private Matches matches; private provider provider2; public Matche
package com.piyushjaiswal.jsonpractis;
public class MatchesArray {
private Matches matches;
private provider provider2;
public MatchesArray(Matches matches, provider provider2) {
this.matches = matches;
this.provider2 = provider2;
}
public Matches getMatches() {
return matches;
}
public void setMatches(Matches matches) {
this.matches = matches;
}
public provider getProvider2() {
return provider2;
}
public void setProvider2(provider provider2) {
this.provider2 = provider2;
}
}
匹配类
package com.piyushjaiswal.jsonpractis;
import com.google.gson.annotations.SerializedName;
public class Matches {
private int unique_id;
private String date;
private String dateTimeGMT;
@SerializedName("team-1")
private String team1;
@SerializedName("team-2")
private String team2;
private String type;
private String toss_winner_team;
private boolean squad;
private boolean matchStarted;
public int getUnique_id() {
return unique_id;
}
public void setUnique_id(int unique_id) {
this.unique_id = unique_id;
}
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
public String getDateTimeGMT() {
return dateTimeGMT;
}
public void setDateTimeGMT(String dateTimeGMT) {
this.dateTimeGMT = dateTimeGMT;
}
public String getTeam1() {
return team1;
}
public void setTeam1(String team1) {
this.team1 = team1;
}
public String getTeam2() {
return team2;
}
public void setTeam2(String team2) {
this.team2 = team2;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getToss_winner_team() {
return toss_winner_team;
}
public void setToss_winner_team(String toss_winner_team) {
this.toss_winner_team = toss_winner_team;
}
public boolean isSquad() {
return squad;
}
public void setSquad(boolean squad) {
this.squad = squad;
}
public boolean isMatchStarted() {
return matchStarted;
}
public void setMatchStarted(boolean matchStarted) {
this.matchStarted = matchStarted;
}
}
package com.piyushjaiswal.jsonpractis;
public class provider {
private String source;
private String url;
private String pubDate;
public String getSource() {
return source;
}
public void setSource(String source) {
this.source = source;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getPubDate() {
return pubDate;
}
public void setPubDate(String pubDate) {
this.pubDate = pubDate;
}
}
package com.piyushjaiswal.jsonpractis;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.List;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class MainActivity extends AppCompatActivity {
private TextView textView;
private JsonPlaceHolderApi jsonPlaceHolderApi;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = findViewById(R.id.textview);
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("http://cricapi.com/api/")
.addConverterFactory(GsonConverterFactory.create())
.build();
jsonPlaceHolderApi = retrofit.create(JsonPlaceHolderApi.class);
getMatchList();
}
private void getMatchList() {
Call<List<MatchesArray>> call = jsonPlaceHolderApi.getPosts("JimJAfsmRGOnDpCrRrqO6htlilg1");
call.enqueue(new Callback<List<MatchesArray>>() {
@Override
public void onResponse(Call<List<MatchesArray>> call, Response<List<MatchesArray>> response) {
if(!response.isSuccessful()){
textView.setText(response.message() + "123");
return;
}
List<MatchesArray> list = response.body();
textView.setText(list.get(0).getMatches().getDate());
}
@Override
public void onFailure(Call<List<MatchesArray>> call, Throwable t) {
textView.setText(t.getMessage() +"22");
}
});
}
}
我的提供商类
package com.piyushjaiswal.jsonpractis;
import com.google.gson.annotations.SerializedName;
public class Matches {
private int unique_id;
private String date;
private String dateTimeGMT;
@SerializedName("team-1")
private String team1;
@SerializedName("team-2")
private String team2;
private String type;
private String toss_winner_team;
private boolean squad;
private boolean matchStarted;
public int getUnique_id() {
return unique_id;
}
public void setUnique_id(int unique_id) {
this.unique_id = unique_id;
}
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
public String getDateTimeGMT() {
return dateTimeGMT;
}
public void setDateTimeGMT(String dateTimeGMT) {
this.dateTimeGMT = dateTimeGMT;
}
public String getTeam1() {
return team1;
}
public void setTeam1(String team1) {
this.team1 = team1;
}
public String getTeam2() {
return team2;
}
public void setTeam2(String team2) {
this.team2 = team2;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getToss_winner_team() {
return toss_winner_team;
}
public void setToss_winner_team(String toss_winner_team) {
this.toss_winner_team = toss_winner_team;
}
public boolean isSquad() {
return squad;
}
public void setSquad(boolean squad) {
this.squad = squad;
}
public boolean isMatchStarted() {
return matchStarted;
}
public void setMatchStarted(boolean matchStarted) {
this.matchStarted = matchStarted;
}
}
package com.piyushjaiswal.jsonpractis;
public class provider {
private String source;
private String url;
private String pubDate;
public String getSource() {
return source;
}
public void setSource(String source) {
this.source = source;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getPubDate() {
return pubDate;
}
public void setPubDate(String pubDate) {
this.pubDate = pubDate;
}
}
package com.piyushjaiswal.jsonpractis;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.List;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class MainActivity extends AppCompatActivity {
private TextView textView;
private JsonPlaceHolderApi jsonPlaceHolderApi;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = findViewById(R.id.textview);
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("http://cricapi.com/api/")
.addConverterFactory(GsonConverterFactory.create())
.build();
jsonPlaceHolderApi = retrofit.create(JsonPlaceHolderApi.class);
getMatchList();
}
private void getMatchList() {
Call<List<MatchesArray>> call = jsonPlaceHolderApi.getPosts("JimJAfsmRGOnDpCrRrqO6htlilg1");
call.enqueue(new Callback<List<MatchesArray>>() {
@Override
public void onResponse(Call<List<MatchesArray>> call, Response<List<MatchesArray>> response) {
if(!response.isSuccessful()){
textView.setText(response.message() + "123");
return;
}
List<MatchesArray> list = response.body();
textView.setText(list.get(0).getMatches().getDate());
}
@Override
public void onFailure(Call<List<MatchesArray>> call, Throwable t) {
textView.setText(t.getMessage() +"22");
}
});
}
}
main活动类
package com.piyushjaiswal.jsonpractis;
import com.google.gson.annotations.SerializedName;
public class Matches {
private int unique_id;
private String date;
private String dateTimeGMT;
@SerializedName("team-1")
private String team1;
@SerializedName("team-2")
private String team2;
private String type;
private String toss_winner_team;
private boolean squad;
private boolean matchStarted;
public int getUnique_id() {
return unique_id;
}
public void setUnique_id(int unique_id) {
this.unique_id = unique_id;
}
public String getDate() {
return date;
}
public void setDate(String date) {
this.date = date;
}
public String getDateTimeGMT() {
return dateTimeGMT;
}
public void setDateTimeGMT(String dateTimeGMT) {
this.dateTimeGMT = dateTimeGMT;
}
public String getTeam1() {
return team1;
}
public void setTeam1(String team1) {
this.team1 = team1;
}
public String getTeam2() {
return team2;
}
public void setTeam2(String team2) {
this.team2 = team2;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public String getToss_winner_team() {
return toss_winner_team;
}
public void setToss_winner_team(String toss_winner_team) {
this.toss_winner_team = toss_winner_team;
}
public boolean isSquad() {
return squad;
}
public void setSquad(boolean squad) {
this.squad = squad;
}
public boolean isMatchStarted() {
return matchStarted;
}
public void setMatchStarted(boolean matchStarted) {
this.matchStarted = matchStarted;
}
}
package com.piyushjaiswal.jsonpractis;
public class provider {
private String source;
private String url;
private String pubDate;
public String getSource() {
return source;
}
public void setSource(String source) {
this.source = source;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getPubDate() {
return pubDate;
}
public void setPubDate(String pubDate) {
this.pubDate = pubDate;
}
}
package com.piyushjaiswal.jsonpractis;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.List;
import retrofit2.Call;
import retrofit2.Callback;
import retrofit2.Response;
import retrofit2.Retrofit;
import retrofit2.converter.gson.GsonConverterFactory;
public class MainActivity extends AppCompatActivity {
private TextView textView;
private JsonPlaceHolderApi jsonPlaceHolderApi;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView = findViewById(R.id.textview);
Retrofit retrofit = new Retrofit.Builder()
.baseUrl("http://cricapi.com/api/")
.addConverterFactory(GsonConverterFactory.create())
.build();
jsonPlaceHolderApi = retrofit.create(JsonPlaceHolderApi.class);
getMatchList();
}
private void getMatchList() {
Call<List<MatchesArray>> call = jsonPlaceHolderApi.getPosts("JimJAfsmRGOnDpCrRrqO6htlilg1");
call.enqueue(new Callback<List<MatchesArray>>() {
@Override
public void onResponse(Call<List<MatchesArray>> call, Response<List<MatchesArray>> response) {
if(!response.isSuccessful()){
textView.setText(response.message() + "123");
return;
}
List<MatchesArray> list = response.body();
textView.setText(list.get(0).getMatches().getDate());
}
@Override
public void onFailure(Call<List<MatchesArray>> call, Throwable t) {
textView.setText(t.getMessage() +"22");
}
});
}
}
package com.piyushjaiswal.jsonpractis;
导入androidx.appcompat.app.appcompat活动;
导入android.os.Bundle;
导入android.widget.TextView;
导入org.json.JSONArray;
导入org.json.JSONException;
导入org.json.JSONObject;
导入java.util.List;
2.电话;;
2.回拨;
2.回应;;
进口改装2.改装;
进口改装2.converter.gson.GsonConverterFactory;
公共类MainActivity扩展了AppCompatActivity{
私有文本视图文本视图;
私有JsonPlaceHolderApi JsonPlaceHolderApi;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
textView=findViewById(R.id.textView);
改装改装=新改装.Builder()
.baseUrl(“http://cricapi.com/api/")
.addConverterFactory(GsonConverterFactory.create())
.build();
jsonPlaceHolderApi=reformation.create(jsonPlaceHolderApi.class);
getMatchList();
}
私有void getMatchList(){
Call Call=jsonPlaceHolderApi.getPosts(“jimjafsmrgondpcrrqo6htlilg1”);
call.enqueue(新回调(){
@凌驾
公共void onResponse(调用、响应){
如果(!response.issusccessful()){
textView.setText(response.message()+“123”);
返回;
}
List=response.body();
textView.setText(list.get(0.getMatches().getDate());
}
@凌驾
失败时公共无效(调用调用,可丢弃的t){
textView.setText(t.getMessage()+“22”);
}
});
}
}
但屏幕截图上的输出是
“应为BEGIB_数组,但在第1行第2列patg$2处为BEGIN_对象”您的JSON语法错误。响应以
{“matches”开头:[
,这意味着它是一个对象,参数matches
的类型为match[]
因此,您需要一个新类,大致如下:
public class MatchesWrapper {
private List<Matches> matches;
}
公共类matcheswapper{
私人列表匹配;
}
并将所有的呼叫
更改为呼叫
您收到的错误告诉您这一点。您预期的是一个匹配的
数组(预期的BEGIN\u数组
),但收到的是一个对象(是BEGIN\u对象
)