使用ArrayAdapter

Question

我只想通过排序并比较两个值来对数据进行排序。

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);

但是我得到了一个错误，说ArrayAdapter中的sort（java.util.Comparator）无法应用于（java.lang.string []，anonymousjava.util.Comparator）

谁能说出问题所在？

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;
}

}

Answer 1

如果查看ArrayAdapter的sort()文档，您会发现它仅接受一个参数，即比较器。

因此，您必须像这样更新代码：

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

希望有帮助！