如何在ArrayList中选中的复选框值存储在机器人?
我工作的测验应用即可。对于每个问题有多个答案并所以,我已经使用的复选框即可。在每个页面的我显示与选择简单的问题将会显示出来,点击下一步按钮时,下一个问题。 所以当多个答案由我需要将它们存储在一个ArrayList和需要选择的答案与数据库比较用户选择的。在我的code我保存所选的值id的One由一个,但在同一时间它仅存储一个值。如何存储所有选中的复选框的ID在我的ArrayList?
I am working on quiz application. For each question there are multiple answers and so for that I have used checkboxes. In each page I am displaying single question with options and when next button is clicked next question will be displayed. So when multiple answers are selected by the user I need to store them in an arraylist and need to compare the selected answers with that in database. In my code I am storing the selected value id's one by one but at a time it is storing only one value. How to store all the selected checkbox id's in my arraylist?
我的code:
ArrayList<String> selchkboxlist;
CheckBox[] cbs;
cbs = new CheckBox[20];
for(k=0; k<List3.size(); k++)
{
arr = List3.get(k);
cbs[k] = new CheckBox(getContext());
Rl.addView(cbs[k]);
cbs[k].setText((CharSequence) arr.get(2));
cbs[k].setTextColor(Color.parseColor("#000000"));
cbs[k].setId(k);
cbs[k].setOnClickListener( new View.OnClickListener()
{
public void onClick(View v)
{
CheckBox cb = (CheckBox) v ;
if (((CheckBox) v).isChecked()) {
chk = Integer.toString(v.getId());
selchkboxlist = new ArrayList<String>();
selchkboxlist.add(chk);
Toast.makeText(Select1.this, "Selected CheckBox ID" + v.getId(), Toast.LENGTH_SHORT).show();
} else {
selchkboxlist.remove(chk);
Toast.makeText(Select1.this, "Not selected", Toast.LENGTH_SHORT).show();
}
}
});
}
请帮我关于这个....在此先感谢
Please help me regarding this....Thanks in Advance
在初始化selchkboxlist for循环....
Initialize the selchkboxlist before for loop....
ArrayList<String> selchkboxlist=new ArrayList<String>();
CheckBox[] cbs;
cbs = new CheckBox[20];
for(k=0; k<List3.size(); k++)
{
arr = List3.get(k);
cbs[k] = new CheckBox(getContext());
Rl.addView(cbs[k]);
cbs[k].setText((CharSequence) arr.get(2));
cbs[k].setTextColor(Color.parseColor("#000000"));
cbs[k].setId(k);
cbs[k].setOnClickListener( new View.OnClickListener()
{
public void onClick(View v)
{
CheckBox cb = (CheckBox) v ;
if (((CheckBox) v).isChecked()) {
chk = Integer.toString(v.getId());
selchkboxlist.add(chk);
Toast.makeText(Select1.this, "Selected CheckBox ID" + v.getId(), Toast.LENGTH_SHORT).show();
} else {
selchkboxlist.remove(chk);
Toast.makeText(Select1.this, "Not selected", Toast.LENGTH_SHORT).show();
}
}
});
}