Android 解析嵌套的JSON值并在按日期排序时显示在recyclerview中
因此,我必须解析以下JSON并在两步回收器视图中显示数据,也就是说,在第一个屏幕上,应用程序应该只显示关联人员的姓名和金额 但是,如果我单击某个列表项,它也应该显示其余的数据 另外,我知道我必须为我的响应创建一个模型类,它实现了可比较的接口 此类将重写Android 解析嵌套的JSON值并在按日期排序时显示在recyclerview中,android,json,retrofit2,android-recyclerview,Android,Json,Retrofit2,Android Recyclerview,因此,我必须解析以下JSON并在两步回收器视图中显示数据,也就是说,在第一个屏幕上,应用程序应该只显示关联人员的姓名和金额 但是,如果我单击某个列表项,它也应该显示其余的数据 另外,我知道我必须为我的响应创建一个模型类,它实现了可比较的接口 此类将重写compareTo方法,该方法将根据transaction\u日期对事务进行排序。 但我无法理解整个过程,因为当我生成POJO类时,我得到了四个不同的java类(Transaction、Datum、Card、Associate)。当我为recyc
compareTo
方法,该方法将根据transaction\u日期对事务进行排序。
但我无法理解整个过程,因为当我生成POJO类时,我得到了四个不同的java类(Transaction、Datum、Card、Associate)。当我为recyclerview创建适配器时,我无法直接访问“amount”
字段,因为它存在于另一个类中
{
"status": "success",
"status_code": "200",
"data": [
{
"transaction_id": "2",
"transaction_date": "2018-04-19 05:27:23.0",
"amount": "200.00",
"user_id": "2",
"currency": "MXN",
"associate_id": "1",
"associate": {
"is_active": "N",
"associate_type": "Autoservicio",
"name": "alsuper",
"created_date": "12-Feb-2018 07:31:58 AM",
"associate_id": "1",
"url": null,
"last_update_date": "12-Feb-2018 07:31:58 AM"
},
"card_id": "2",
"card": {
"bank_code": "002",
"is_active": "Y",
"allows_charges": "Y",
"card_number": "411111XXXXXX1111",
"openpay_card_id": "kiusphu8moqri6qys7sg",
"type": "debit",
"card_id": "2",
"expiration_year": "21",
"user_id": "2",
"expiration_month": "10",
"bank_name": "bank name",
"created_date": "21-Mar-2018 05:46:58 AM",
"brand": "visa",
"last_update_date": "21-Mar-2018 05:46:58 AM",
"holder_name": "name name name name"
}
}
]
}
我很高兴分享适配器类,现在我没有分享是因为我想对这个问题有一些新的看法
更新1
因此,在应用Raja Jawahar的解决方案后,我可以运行一次,但在进行了最后的更改之后,出现了以下情况
D/1: Loaded View
D/2: Loaded recycler View
I/art: Do partial code cache collection, code=22KB, data=30KB
After code cache collection, code=22KB, data=30KB
Increasing code cache capacity to 128KB
D/OkHttp: --> GET http://URL http/1.1
--> END GET
E/BitmapFactory: Unable to decode stream: java.io.FileNotFoundException: (No such file or directory)
W/ImageView: resolveUri failed on bad bitmap uri:
D/OkHttp: <-- 200 http:URL (757ms)
Access-Control-Allow-Origin: *
Access-Control-Allow-Headers: Content-Type, Accept, X-Requested-With
Content-Type: application/json
Content-Length: 4109
D/OkHttp: Date: Sun, 15 Jul 2018 13:42:20 GMT
D/OkHttp: {"status":"success","status_code":"200","data": DATA]}
<-- END HTTP (4109-byte body)
D/6: Passing to Adapter Failure
java.lang.IllegalStateException: Expected BEGIN_ARRAY but was BEGIN_OBJECT at line 1 column 2 path $
D/1:已加载视图
D/2:已加载的回收器视图
I/art:进行部分代码缓存收集,代码=22KB,数据=30KB
收集代码缓存后,代码=22KB,数据=30KB
将代码缓存容量增加到128KB
D/OkHttp:-->获取http://URL http/1.1
-->结束
E/BitmapFactory:无法解码流:java.io.FileNotFoundException:(无此类文件或目录)
W/ImageView:resolveUri在错误的位图uri上失败:
D/OkHttp:使用DTO生成器(Android插件创建模型类)
为您的响应创建一个如下所示的类
public class DataModel {
@SerializedName("data") private List<Data> data; @SerializedName("status_code") private String status_code; @SerializedName("status") private String status;
public static class Data {
@SerializedName("card")
private Card card;
@SerializedName("card_id")
private String card_id;
@SerializedName("associate")
private Associate associate;
@SerializedName("associate_id")
private String associate_id;
@SerializedName("currency")
private String currency;
@SerializedName("user_id")
private String user_id;
@SerializedName("amount")
private String amount;
@SerializedName("transaction_date")
private String transaction_date;
@SerializedName("transaction_id")
private String transaction_id; }
public static class Card {
@SerializedName("holder_name")
private String holder_name;
@SerializedName("last_update_date")
private String last_update_date;
@SerializedName("brand")
private String brand;
@SerializedName("created_date")
private String created_date;
@SerializedName("bank_name")
private String bank_name;
@SerializedName("expiration_month")
private String expiration_month;
@SerializedName("user_id")
private String user_id;
@SerializedName("expiration_year")
private String expiration_year;
@SerializedName("card_id")
private String card_id;
@SerializedName("type")
private String type;
@SerializedName("openpay_card_id")
private String openpay_card_id;
@SerializedName("card_number")
private String card_number;
@SerializedName("allows_charges")
private String allows_charges;
@SerializedName("is_active")
private String is_active;
@SerializedName("bank_code")
private String bank_code; }
public static class Associate {
@SerializedName("last_update_date")
private String last_update_date;
@SerializedName("associate_id")
private String associate_id;
@SerializedName("created_date")
private String created_date;
@SerializedName("name")
private String name;
@SerializedName("associate_type")
private String associate_type;
@SerializedName("is_active")
private String is_active; } }
公共类数据模型{
@SerializedName(“数据”)私有列表数据;@SerializedName(“状态代码”)私有字符串状态代码;@SerializedName(“状态”)私有字符串状态;
公共静态类数据{
@序列化名称(“卡”)
私人卡;
@序列化名称(“卡id”)
私人串卡(id);;
@序列化名称(“关联方”)
私人助理;
@SerializedName(“关联方id”)
私有字符串关联_id;
@序列化名称(“货币”)
私人字符串货币;
@SerializedName(“用户id”)
私有字符串用户标识;
@序列化名称(“金额”)
私有字符串数量;
@SerializedName(“交易日”)
私有字符串交易日;
@SerializedName(“事务id”)
私有字符串事务_id;}
公共静态类卡{
@序列化名称(“持有人名称”)
私有字符串持有者名称;
@SerializedName(“上次更新日期”)
私有字符串上次更新日期;
@序列化名称(“品牌”)
自有品牌;
@SerializedName(“创建日期”)
创建日期的私有字符串;
@序列化名称(“银行名称”)
私有字符串银行名称;
@序列化名称(“到期月份”)
私有字符串到期日为个月;
@SerializedName(“用户id”)
私有字符串用户标识;
@序列化名称(“到期年”)
私人字符串过期时间为一年;
@序列化名称(“卡id”)
私人串卡(id);;
@序列化名称(“类型”)
私有字符串类型;
@序列化名称(“openpay\u卡\u id”)
私有字符串openpay\u卡\u id;
@序列化名称(“卡号”)
专用字符串卡号;
@SerializedName(“允许收取费用”)
私人字符串允许_收费;
@SerializedName(“是否处于活动状态”)
私有字符串处于活动状态;
@序列化名称(“银行代码”)
专用字符串bank_code;}
公共静态类助理{
@SerializedName(“上次更新日期”)
私有字符串上次更新日期;
@SerializedName(“关联方id”)
私有字符串关联_id;
@SerializedName(“创建日期”)
创建日期的私有字符串;
@序列化名称(“名称”)
私有字符串名称;
@SerializedName(“关联类型”)
私有字符串类型;
@SerializedName(“是否处于活动状态”)
私有字符串处于活动状态;}}
在适配器中访问数据模型,如下所示
package com.mobieadz.sales;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import java.util.ArrayList;
import java.util.List;
public class MyRecylerViewAdapter extends RecyclerView.Adapter<MyRecylerViewAdapter.MyViewHolder> {
private Context context;
private List<Data> datas = new ArrayList<>();
@NonNull @Override
public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent,
int viewType) {
return null;
}
public MyRecylerViewAdapter(Context context, List<DataModel> dataModels) {
this.context = context;
this.dataModels = dataModels;
}
@Override
public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
Data data = datas.get(position);
youtextView.setText(data.amount);
yourtextView.setText(data.associate.name)
yourtextView.setText(data.associate.name)
}
@Override public int getItemCount() {
return dataModels.size();
}
public class MyViewHolder extends RecyclerView.ViewHolder {
public MyViewHolder(View itemView) {
super(itemView);
}
}
}
package com.mobieadz.sales;
导入android.content.Context;
导入android.support.annotation.NonNull;
导入android.support.v7.widget.RecyclerView;
导入android.view.view;
导入android.view.ViewGroup;
导入java.util.ArrayList;
导入java.util.List;
公共类MyRecylerViewAdapter扩展了RecyclerView.Adapter{
私人语境;
私有列表数据=新的ArrayList();
@非空@覆盖
public MyViewHolder onCreateViewHolder(@NonNull ViewGroup父级,
int视图类型){
返回null;
}
公共MyRecylerViewAdapter(上下文,列表数据模型){
this.context=上下文;
this.dataModels=数据模型;
}
@凌驾
public void onBindViewHolder(@NonNull MyViewHolder,int位置){
数据=数据获取(位置);
youtextView.setText(data.amount);
yourtextView.setText(data.associate.name)
yourtextView.setText(data.associate.name)
}
@重写公共int getItemCount(){
返回dataModels.size();
}
公共类MyViewHolder扩展了RecyclerView.ViewHolder{
公共MyViewHolder(查看项目视图){
超级(项目视图);
}
}
}
一定会尝试,并让您知道!让我知道,如果你有任何问题Siddhant GhoshHappy编码@SiddhantGhosh@SiddhantGhosh我认为您的事务类有问题。。你能把交易记录邮寄给我们吗。
public class TransactionsAdapter extends RecyclerView.Adapter<TransactionsAdapter.MyViewHolder>{
private Context context;
private List <Transactions> TransactionsList;
public TransactionsAdapter(Context context, List<Transactions> TransactionsList) {
this.context = context;
this.TransactionsList = TransactionsList;
}
public void setTransactionsList(List<Transactions> transactionsList){
this.TransactionsList = transactionsList;
notifyDataSetChanged();
}
@Override
public TransactionsAdapter.MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
}
@Override
public void onBindViewHolder(TransactionsAdapter.MyViewHolder holder, int position) {
Transactions transactionsList = TransactionsList.get(position);
Transactions.DataEntity dataEntity = transactionsList.getData().get(0);
holder.associateName.setText(dataEntity.getAssociate().getName());
}
@Override
public int getItemCount() {
return 0;
}
public class MyViewHolder extends RecyclerView.ViewHolder{
public MyViewHolder(View itemView) {
super(itemView);
}
}
}
public class Transactions {
@SerializedName("data")
private List<DataEntity> data;
@SerializedName("status_code")
private String statusCode;
@SerializedName("status")
private String status;
public List<DataEntity> getData() {
return data;
}
public void setData(List<DataEntity> data) {
this.data = data;
}
public String getStatusCode() {
return statusCode;
}
public void setStatusCode(String statusCode) {
this.statusCode = statusCode;
}
public String getStatus() {
return status;
}
public void setStatus(String status) {
this.status = status;
}
public static class DataEntity {
@SerializedName("card")
private CardEntity card;
@SerializedName("card_id")
private String cardId;
@SerializedName("associate")
private AssociateEntity associate;
@SerializedName("associate_id")
private String associateId;
@SerializedName("currency")
private String currency;
@SerializedName("user_id")
private String userId;
@SerializedName("amount")
private String amount;
@SerializedName("transaction_date")
private String transactionDate;
@SerializedName("transaction_id")
private String transactionId;
}
public static class CardEntity {
@SerializedName("holder_name")
private String holderName;
@SerializedName("last_update_date")
private String lastUpdateDate;
@SerializedName("brand")
private String brand;
@SerializedName("created_date")
private String createdDate;
@SerializedName("bank_name")
private String bankName;
@SerializedName("expiration_month")
private String expirationMonth;
@SerializedName("user_id")
private String userId;
@SerializedName("expiration_year")
private String expirationYear;
@SerializedName("card_id")
private String cardId;
@SerializedName("type")
private String type;
@SerializedName("openpay_card_id")
private String openpayCardId;
@SerializedName("card_number")
private String cardNumber;
@SerializedName("allows_charges")
private String allowsCharges;
@SerializedName("is_active")
private String isActive;
@SerializedName("bank_code")
private String bankCode;
}
public static class AssociateEntity {
@SerializedName("last_update_date")
private String lastUpdateDate;
@SerializedName("associate_id")
private String associateId;
@SerializedName("created_date")
private String createdDate;
@SerializedName("name")
private String name;
@SerializedName("associate_type")
private String associateType;
@SerializedName("is_active")
private String isActive;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
public class DataModel {
@SerializedName("data") private List<Data> data; @SerializedName("status_code") private String status_code; @SerializedName("status") private String status;
public static class Data {
@SerializedName("card")
private Card card;
@SerializedName("card_id")
private String card_id;
@SerializedName("associate")
private Associate associate;
@SerializedName("associate_id")
private String associate_id;
@SerializedName("currency")
private String currency;
@SerializedName("user_id")
private String user_id;
@SerializedName("amount")
private String amount;
@SerializedName("transaction_date")
private String transaction_date;
@SerializedName("transaction_id")
private String transaction_id; }
public static class Card {
@SerializedName("holder_name")
private String holder_name;
@SerializedName("last_update_date")
private String last_update_date;
@SerializedName("brand")
private String brand;
@SerializedName("created_date")
private String created_date;
@SerializedName("bank_name")
private String bank_name;
@SerializedName("expiration_month")
private String expiration_month;
@SerializedName("user_id")
private String user_id;
@SerializedName("expiration_year")
private String expiration_year;
@SerializedName("card_id")
private String card_id;
@SerializedName("type")
private String type;
@SerializedName("openpay_card_id")
private String openpay_card_id;
@SerializedName("card_number")
private String card_number;
@SerializedName("allows_charges")
private String allows_charges;
@SerializedName("is_active")
private String is_active;
@SerializedName("bank_code")
private String bank_code; }
public static class Associate {
@SerializedName("last_update_date")
private String last_update_date;
@SerializedName("associate_id")
private String associate_id;
@SerializedName("created_date")
private String created_date;
@SerializedName("name")
private String name;
@SerializedName("associate_type")
private String associate_type;
@SerializedName("is_active")
private String is_active; } }
package com.mobieadz.sales;
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import java.util.ArrayList;
import java.util.List;
public class MyRecylerViewAdapter extends RecyclerView.Adapter<MyRecylerViewAdapter.MyViewHolder> {
private Context context;
private List<Data> datas = new ArrayList<>();
@NonNull @Override
public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent,
int viewType) {
return null;
}
public MyRecylerViewAdapter(Context context, List<DataModel> dataModels) {
this.context = context;
this.dataModels = dataModels;
}
@Override
public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
Data data = datas.get(position);
youtextView.setText(data.amount);
yourtextView.setText(data.associate.name)
yourtextView.setText(data.associate.name)
}
@Override public int getItemCount() {
return dataModels.size();
}
public class MyViewHolder extends RecyclerView.ViewHolder {
public MyViewHolder(View itemView) {
super(itemView);
}
}
}