使用ArrayAdapter对ListView数据进行排序

问题描述 投票:-1回答:1

我只想使用sort对数据进行排序并比较两个值。

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);

但是我得到了错误,说ArrayAdapter中的sort(java.util.Comparator)不能应用于(java.lang.string [],anonymousjava.util.Comparator)

谁能说出问题是什么?

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;
}

}

java android android-arrayadapter
1个回答
0
投票

如果你看一下ArrayAdapter的sort()文档,你会发现它只需要一个参数,一个比较器。

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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