Question

您好我正在使用全局数组工作android工作室项目，我可以很好地从全局数组中读取，并且写入没有问题全局整数，但我无法弄清楚如何设置全局代码中的数组，这是项目的重要部分：

在android manifest xml：

中的application标签下添加了这个

android:name=".Globals"

java class Globals：

import android.app.Application;

public class Globals extends Application {

public int empnum=13;
public int getData3() {
return empnum;
}
public void setData3(int empnum) {
this.empnum = empnum;
}

public String[] passw = {"0123","0123","0123","0123","0123","0123","0123","0123","0123","0123","0123","0123","0123"};
public String[] getData4() {
return passw;
}
public void setData4(String[] passw) {
this.passw = passw;
}

public int login=0;
public int getData5() {
return login;
}
public void setData5(int login) {
this.login = login;
}

public String[] empname = {"Name1","Name2","Name3","Name4","Name5","Name6","Name7","Name8","Name9","Name10","Name11","Name12","Name13","Not logged in"};
public String[] getData6() {
return empname;
}
public void setData6(String[] empname) {
    this.empname = empname;
}

以下是我遇到问题的代码块

java类的内部类TimeIn：

final Globals g = (Globals) getApplication();
final String[] empname = g.getData6();
final String[] passw = g.getData4();


public void onClick(View v) {

i = 0;
String empname = edit2.getText().toString();
int getemn = Integer.parseInt(edit.getText().toString());

    if (i == 0 && h == 0) {
        g.setData3(getemn);

        g.setData6(String[getemn], empname); // This one line right here won't compile, I have tried different combinations but have had 0 luck
    i = 1;
    h = 1;
        }
    }

获取和使用String数组没有问题，这就是它的工作原理数组值并将其与字符串进行比较：

public void onClick(View v) {

i = 0;
String getemp = edit2.getText().toString();
int getemn = Integer.parseInt(edit.getText().toString());


if (i == 0 && getemp.equals(passw[getemn])) { // All of this works perfectly
    g.setData3(getemn);
    g.setData5(0);
    tfone.setText("Empoyee " + getemn);
    tftwo.setText("Logged in");
    i = 1;
}
if (i == 0 && getemp != (passw[getemn])) {
    tfone.setText("No matches found");
    edit2.setText("Not logged in");
    i = 1;
}

}

所以我知道这行代码是错误的：

g.setData6(String[getemn], empname);

但是我的生活我无法弄清楚它应该如何写，唯一的错误提示是我从悬停在线上 -

预期的数组类型;找到'java.lang.String'

任何人都知道我做错了什么？

Answer 1

在Global类中，使用一个参数

声明方法

public void setData6(String[] empname) {
    this.empname = empname;
}

但是当你打电话时，你会输入2个参数g.setData6(String[getemn], empname);
你应该删除一个参数
或者在Globals class

中添加另外一个包含2个参数的方法

同时你在这里错了

... String empname = edit2.getText().toString(); int getemn = Integer.parseInt(edit.getText().toString()); ... g.setData6(String[getemn], empname); // This one line right here won't compile, I have tried different combinations but have had 0 luck

setData6函数现在需要2个参数，一个是String array，另一个是String 但是你将String array放到函数中的方式是错误的这是一个简单的示例，展示了如何将String array传递给函数

public class Test { public static void setData6(String[] empnameList, String empname) { // with the `String array` you should declare the variable name like `empnameList` or `arrEmpname` NOT `empname` because `empname` make confusing when you read code this.empnameList = empnameList; this.empname = empname; } public static void main(String[] args) { String[] strArray = new String[]{"Name1","Name2","Name2"}; String empName = "Na"; setData6(strArray,empName); // call method with 2 parameters here } }

希望这个帮助

Answer 2

解决!!事实证明我必须修改我的Globals类的setter部分，所以Globals类中的第一部分（getter方法）是正确的：

function finalResults() {
    var theAnswer = Object.keys(answerData).
                reduce(function(a, b){ 
                   return answerData[a].score > answerData[b].score ? a : b }
                );

    document.getElementById("finalResulthere").innerHTML = "<p>Congratulations you are a " + theAnswer +".</p>";
}

我必须将我的Globals类的getter部分更改为：

score

要从任何类设置所需索引的值，只需使用：

public String[] compname = {"Manager's company", "Company2", "Company3", "Company4", "Company5", "Company6", "Company7", "Company8", "Company9", "Company10", "Company11", "Company12", "Company13", "Not punched in"};
public String[] getData7() {
return compname;
}

其中getemn是一个整数，getemp是一个字符串。

android studio：设置全局字符串数组时遇到问题

2 个答案: