如何解决在新活动中无法检索额外的数据
当我在Recycler View内单击CardView时,我已将Parcelable实现为要在活动之间传递的对象。唯一的问题是对象(ResultsHelperClass)在收到意图后总是具有修改后的值。
此刻我完全被困住了,因为我似乎找不到问题。
我作为附加对象传入的对象具有正确的值,但是无论我如何尝试接收它,它的值始终都会更改。
我的ResultsHelperClass
public class ResultsHelperClass implements Parcelable {
int localScore,visitorScore,teamId;
String teamName,localLogoUrl,visitorLogoUrl,local,date;
//Constructor
public ResultsHelperClass(String localLogoUrl,String visitorLogoUrl,String local,String date,int teamId,int localScore,int visitorScore,String teamName) {
this.localScore = localScore;
this.visitorScore = visitorScore;
this.teamName = teamName;
this.teamId = teamId;
this.localLogoUrl = localLogoUrl;
this.visitorLogoUrl = visitorLogoUrl;
this.local = local;
this.date = date;
}
//Constructor
public ResultsHelperClass() {
this.localScore = 0;
this.visitorScore = 0;
this.teamId = 0;
this.teamName = "";
this.localLogoUrl = "";
this.visitorLogoUrl = "";
this.local = "";
this.date = "";
}
protected ResultsHelperClass(Parcel in) {
localScore = in.readInt();
visitorScore = in.readInt();
teamId = in.readInt();
teamName = in.readString();
localLogoUrl = in.readString();
visitorLogoUrl = in.readString();
local = in.readString();
date = in.readString();
}
public static final Creator<ResultsHelperClass> CREATOR = new Creator<ResultsHelperClass>() {
@Override
public ResultsHelperClass createFromParcel(Parcel in) {
return new ResultsHelperClass(in);
}
@Override
public ResultsHelperClass[] newArray(int size) {
return new ResultsHelperClass[size];
}
};
//Getters
public int getLocalScore() {
return localScore;
}
public int getVisitorScore() {
return visitorScore;
}
public String getTeamName() {
return teamName;
}
public int getTeamId() {
return teamId;
}
public String getLocal() {
return local;
}
public String getDate() {
return date;
}
public String getLocalLogoUrl() {
return localLogoUrl;
}
public String getVisitorLogoUrl() {
return visitorLogoUrl;
}
//Setters
public void setLocalScore(int localScore) {
this.localScore = localScore;
}
public void setVisitorScore(int visitorScore) {
this.visitorScore = visitorScore;
}
public void setTeamName(String teamName) {
this.teamName = teamName;
}
public void setTeamId(int teamId) {
this.teamId = teamId;
}
public void setLocalLogoUrl(String localLogoUrl) {
this.localLogoUrl = localLogoUrl;
}
public void setVisitorLogoUrl(String visitorLogoUrl) {
this.visitorLogoUrl = visitorLogoUrl;
}
public void setLocal(String local) {
this.local = local;
}
public void setDate(String date) {
this.date = date;
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest,int flags) {
dest.writeString(teamName);
dest.writeString(localLogoUrl);
dest.writeString(visitorLogoUrl);
dest.writeString(local);
dest.writeString(date);
dest.writeInt(localScore);
dest.writeInt(visitorScore);
dest.writeInt(teamId);
}
@Override
public String toString() {
return "ResultsHelperClass{" +
"localScore=" + localScore +
",visitorScore=" + visitorScore +
",teamId=" + teamId +
",teamName='" + teamName + '\'' +
",localLogoUrl='" + localLogoUrl + '\'' +
",visitorLogoUrl='" + visitorLogoUrl + '\'' +
",local='" + local + '\'' +
",date='" + date + '\'' +
'}';
}
}
我先打印所选项目,然后再将其发送到Extra Intent:
@Override
public void onGameClick(int position) {
Intent in = new Intent(this,Team.class);
System.out.println(listResults.get(position));
in.putExtra("game",listResults.get(position));
startActivity(in);
}
这将为所选项目打印正确的值:
I / System.out:ResultsHelperClass {localScore = 0,visitorscore = 0,teamId = 1,teamName ='SéniorMasculí',localLogoUrl ='https://pitudev.com/sacabaneta/rivals/sacabaneta.jpg”, visitorLogoUrl ='https://www.pitudev.com/sacabaneta/rivals/sonservera.jpg',本地='1',日期='2020-08-16 18:30:00.000000'
在新活动(团队)中,我这样做是从所选项目中检索数据:
if(getIntent()。hasExtra(“ game”)){
ResultsHelperClass selected_game = getIntent().getParcelableExtra("game");
System.out.println(selected_game);
}
这将打印以下值:
I / System.out:ResultsHelperClass {localScore = 15,visitorScore = 15269971,teamId = 6881390,teamName ='null',localLogoUrl ='null',visitororLogoUrl ='null',local ='null',date =' null'}
这对我来说毫无意义,因为我已经检查过我传递了正确的值...如果有人可以帮助我,我将非常感激...谢谢
解决方法
已修复...
问题是writeToParcel()和ResultsHelperClass(Parcel in)属性需要以相同的顺序...
希望这对以后的人有帮助!
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