java 在 doinbackground 中获取传递给 asynctask 的数组列表值
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get arraylist values passed to asynctask at doinbackground
提问by user1910290
I have an Asynctask setup I pass an Arraystring like this
我有一个 Asynctask 设置，我传递了一个这样的 Arraystring
ArrayList<String> creds = new ArrayList<String>();
creds.add(string1);
creds.add(string2);
new myasynctask().execute(credentials);
asynctask methodclass myasynctask extends AsyncTask, Integer , String>
asynctask 方法类 myasynctask 扩展了 AsyncTask, Integer , String>
DOinbackground
背景资料
protected String doInBackground(ArrayList<String>... creds)
{ String lol1= creds[0].toString();
String lol2= creds[1].toString();
........rest of the code
}
I get an Array index out of bond exception how do I pass tow values into the doinbackground method and get both of them at once.
我从债券异常中获得了一个数组索引，我如何将两个值传递到 doinbackground 方法中并同时获得它们。
回答by Sanket Kachhela
you can get value by this code
您可以通过此代码获得价值
class test extends AsyncTask<ArrayList<String>, Void, Void>
{
@Override
protected Void doInBackground(ArrayList<String>... creds) {
// TODO Auto-generated method stub
String str1 = creds[0].get(0);
String str2 = creds[0].get(1);
return null;
}
}
回答by Aerrow
To get the arraylist value,
要获取数组列表值，
ArrayList<String> recList= new ArrayList<String>();
ArrayList<String> arrayListVal= creds[0];
回答by ρяσ?ρ?я K
get arraylist as in doInBackgroundmethod of AsyncTask :
在 doInBackgroundAsyncTask 的方法中获取数组列表：
private class myAsyncTask extends AsyncTask<ArrayList<String>, Void, String> {
@Override
protected String doInBackground(ArrayList<String>... params) {
ArrayList<String> lol1= params[0]; //<< here retrieve Array from varargs
return null;
}
// your code here
回答by Janmejoy
Try the following link
试试下面的链接
Passing arguments to AsyncTask, and returning results
protected ArrayList<String> doInBackground(ArrayList<String>... passing) {
ArrayList<String> result = new ArrayList<String>();
ArrayList<String> passed = passing[0]; //get passed arraylist
//Some calculations...
return result; //return result
