Java 通过在Android中改装使用实时货币转换API时出错
//这是我的MainActivity.javaJava 通过在Android中改装使用实时货币转换API时出错,java,android,android-studio,http,retrofit,Java,Android,Android Studio,Http,Retrofit,//这是我的MainActivity.java ublic class MainActivity extends AppCompatActivity implements View.OnClickListener{ private static final String TAG = "MainActivity"; private TextView result; private EditText currency; private Button button; privat
ublic class MainActivity extends AppCompatActivity implements View.OnClickListener{
private static final String TAG = "MainActivity";
private TextView result;
private EditText currency;
private Button button;
private static String BASE_URL = "https://api.currencyscoop.com/v1/";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Log.d(TAG, "onCreate: called");
initViews();
button.setOnClickListener(this);
}
public void initViews(){
Log.d(TAG, "initViews: called");
result = findViewById(R.id.result);
currency = findViewById(R.id.amount);
button = findViewById(R.id.button);
}
@Override
public void onClick(View v) {
Log.d(TAG, "onClick: called");
Retrofit retrofit = new Retrofit.Builder()
.baseUrl(BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.build();
RetrofitClient retrofitClient = retrofit.create(RetrofitClient.class);
Call<ConvertAmt> calling = retrofitClient.getConvertedValue("my_api_key","USD", "INR", currency.getText().toString());
calling.enqueue(new Callback<ConvertAmt>() {
@Override
public void onResponse(Call<ConvertAmt> call, Response<ConvertAmt> response) {
Log.d(TAG, "onResponse: called :----------------------> "+response.body().getResult());
}
@Override
public void onFailure(Call<ConvertAmt> call, Throwable t) {
Log.d(TAG, "onFailure: --------------> "+t.getStackTrace());
}
});
}
}
//这是我的追踪
2020-08-27 23:59:53.212 1471-1471/com.example.online_currency W/System.err: java.io.EOFException: End of input at line 1 column 1 path $
2020-08-27 23:59:53.212 1471-1471/com.example.online_currency W/System.err:com.google.gson.stream.JsonReader.nextNonWhitespace(JsonReader.java:1401)
2020-08-27 23:59:53.212 1471-1471/com.example.online_currency W/System.err:com.google.gson.stream.JsonReader.doPeek(JsonReader.java:549)
2020-08-27 23:59:53.212 1471-1471/com.example.online_currency W/System.err:com.google.gson.stream.JsonReader.peek(JsonReader.java:425)
2020-08-27 23:59:53.212 1471-1471/com.example.online_currency W/System.err:com.google.gson.internal.bind.ReflectTypeAdapterFactory$Adapter.read(ReflectTypeAdapterFactory.java:205)
2020-08-27 23:59:53.212 1471-1471/com.example.online_currency W/System.err:at reformation 2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:39)
2020-08-27 23:59:53.212 1471-1471/com.example.online_currency W/System.err:at reformation 2.converter.gson.GsonResponseBodyConverter.convert(GsonResponseBodyConverter.java:27)
2020-08-27 23:59:53.213 1471-1471/com.example.online_currency W/System.err:at reformation2.OkHttpCall.parseResponse(OkHttpCall.java:223)
2020-08-27 23:59:53.213 1471-1471/com.example.online_currency W/System.err:at reformation 2.OkHttpCall$1.onResponse(OkHttpCall.java:121)
2020-08-27 23:59:53.213 1471-1471/com.example.online_currency W/System.err:at-okhttp3.RealCall$AsyncCall.execute(RealCall.java:206)
2020-08-27 23:59:53.213 1471-1471/com.example.online_currency W/System.err:at-okhttp3.internal.NamedRunnable.run(NamedRunnable.java:32)
2020-08-27 23:59:53.213 1471-1471/com.example.online_currency W/System.err:at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
2020-08-27 23:59:53.213 1471-1471/com.example.online_currency W/System.err:at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
2020-08-27 23:59:53.213 1471-1471/com.example.online_currency W/System.err:at java.lang.Thread.run(Thread.java:761)您期望的响应数据似乎与您正在映射的pojo不匹配 这就是你所期待的
public class ConvertAmt {
private double result;
}
实际反应是
{
"meta": {
"code": 200,
"disclaimer": "Usage subject to terms: https://currencyscoop.com/terms"
},
"response": {
"timestamp": 1598589131,
"date": "2020-08-27",
"from": "USD",
"to": "INR",
"amount": "10",
"value": 738.1371942
}
}
因此,您可以将pojo转换为
public class ConvertAmt {
private Map<String,Object> meta;
private Map<String,Object> response;
}
公共类convertam{
私有地图元;
私有映射响应;
}
你可以得到这样的回答
Call<ConvertAmt> calling = retrofitClient.getConvertedValue("my_api_key","USD", "INR", currency.getText().toString());
calling.getResponse().get("amount");
calling=reformationclient.getConvertedValue(“my_api_key”、“USD”、“INR”、currency.getText().toString());
调用.getResponse().get(“金额”);
好了,现在完全明白了,那么我的客户端界面呢!是okayhey@saifali我刚刚得到了我想要的输出,但它在几秒钟内向我展示了这一点:“没有指定网络安全配置,使用平台默认值”,然后我得到了输出……该怎么做,但这不是一个与网络相关的错误
public class ConvertAmt {
private Map<String,Object> meta;
private Map<String,Object> response;
}
Call<ConvertAmt> calling = retrofitClient.getConvertedValue("my_api_key","USD", "INR", currency.getText().toString());
calling.getResponse().get("amount");