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您好我想解析JSON從這個API https://restcountries.eu。但是,當我特里分析topLevelDomain我得到了錯誤:「E /錯誤:java.lang.IllegalStateException:期望一個字符串,但BEGIN_ARRAY在第1列42路徑$ [0] .topLevelDomain」 如何我可以修復它嗎? 在此先感謝預期一個字符串,但是BEGIN_ARRAY- Gson
下面是JSON結構,我的模型,並MainActivity
JSON結構
[{
"name": "Colombia",
"topLevelDomain": [".co"],
"alpha2Code": "CO",
"alpha3Code": "COL",
"callingCodes": ["57"],
"capital": "Bogotá",
"altSpellings": ["CO", "Republic of Colombia", "República de Colombia"],
"region": "Americas",
"subregion": "South America",
"population": 48759958,
"latlng": [4.0, -72.0],
"demonym": "Colombian",
"area": 1141748.0,
"gini": 55.9,
"timezones": ["UTC-05:00"],
"borders": ["BRA", "ECU", "PAN", "PER", "VEN"],
"nativeName": "Colombia",
"numericCode": "170",
"currencies": [{
"code": "COP",
"name": "Colombian peso",
"symbol": "$"
}],
型號
public class ModelJsona {
private String flag;
private String name;
private String region;
private String topLevelDomain;
public String getFlag() {
return flag;
}
public void setFlag(String flag) {
this.flag = flag;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getRegion() {
return region;
}
public void setRegion(String region) {
this.region = region;
}
public String getTopLevelDomain() {
return topLevelDomain;
}
public void setTopLevelDomain(String region) {
this.topLevelDomain = region;
}
}
MainActivity
public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private DataAdapter dataAdapter;
private List<ModelJsona> dataArrayList;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initViews();
}
private void initViews(){
recyclerView=(RecyclerView) findViewById(R.id.card_recycler_view);
recyclerView.setLayoutManager(new LinearLayoutManager(getApplicationContext()));
loadJSON();
}
private void loadJSON(){
dataArrayList = new ArrayList<>();
Retrofit retrofit=new Retrofit.Builder().baseUrl("https://restcountries.eu/").addConverterFactory(GsonConverterFactory.create()).build();
RequestInterface requestInterface=retrofit.create(RequestInterface.class);
Call<List<ModelJsona>> call= requestInterface.getJSON();
call.enqueue(new Callback<List<ModelJsona>>() {
@Override
public void onResponse(Call<List<ModelJsona>> call, Response<List<ModelJsona>> response) {
dataArrayList = response.body();
dataAdapter=new DataAdapter(getApplicationContext(),dataArrayList);
recyclerView.setAdapter(dataAdapter);
}
@Override
public void onFailure(Call<List<ModelJsona>> call, Throwable t) {
Log.e("Error",t.getMessage());
}
});
}
帶有諸如https://chrome.google.com/webstore/detail/postman/fhbjgbiflinjbdggehcddcbncdddomop等插件的網絡瀏覽器可用於驗證您點擊的服務器是否處於預期格式。發生你以xml格式給出的鏈接 – Pomagranite