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使用 ArrayAdapter 对 ListView 数据进行排序

热度:76   发布时间:2023-08-04 09:20:44.0

我只想通过使用 sort 和比较两个值来对我的数据进行排序。

这是我的代码:

        ArrayAdapter arrayAdapter = new ArrayAdapter(getApplicationContext(), android.R.layout.simple_list_item_1, myData);

        arrayAdapter.sort(myData, new Comparator<myData>() {
            @Override
            public int compare(myData o1, myData o2) {
                return Integer.compare(o1.getFinalScore(), o2.getFinalScore());
            }
        });

        arrayAdapter.notifyDataSetChanged();
        dataList.setAdapter(arrayAdapter);

但是我收到错误说 ArrayAdapter 中的 sort(java.util.Comparator) 不能应用于 (java.lang.string[],anonymousjava.util.Comparator)

谁能告诉我是什么问题??

myData 类

public class myData {

public int getFinalScore() {
    return finalScore;
}

public void setFinalScore(int finalScore) {
    this.finalScore = finalScore;
}

private String customeName;
private String carName;
private String appointmentDate;
private String email;
private String issueDescribe;
private String timeForJob;
private String costForJob;
private String reliableOnCar;
private String distanceJob;
private int finalScore;

public myData(String customeName, String carName, String appointmentDate, String email, String issueDescribe, String timeForJob, String costForJob,
              String reliableOnCar, String distanceJob, int finalScore) {
    this.customeName = customeName;
    this.carName = carName;
    this.appointmentDate = appointmentDate;
    this.email = email;
    this.issueDescribe = issueDescribe;
    this.timeForJob = timeForJob;
    this.costForJob = costForJob;
    this.reliableOnCar = reliableOnCar;
    this.distanceJob = distanceJob;
    this.finalScore = finalScore;
}

}

如果您查看 ArrayAdapter 的文档,您会发现它只需要一个参数,即比较器。

所以你必须像这样更新你的代码:

arrayAdapter.sort(new Comparator<myData>() {
            @Override
            public int compare(myData o1, myData o2) {
                return Integer.compare(o1.getFinalScore(), o2.getFinalScore());
            }
        });

希望能帮助到你 !

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