[英]Checkboxes become unchecked in Dialog when scrolling
I am using AlertDialog.Builder.setMultiChoiceItems
to show checkboxes with texts. 我正在使用
AlertDialog.Builder.setMultiChoiceItems
显示带有文本的复选框。 I can display the checked items successfully, but whenever I scroll it down or up, some of them become randomly unchecked. 我可以成功显示选中的项目,但是每当我上下滚动它时,其中的一些就会被随机取消选中。 Below is my code.
下面是我的代码。
What can I do to fix this? 我该怎么做才能解决此问题? Any help appreciated!
任何帮助表示赞赏!
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Title")
.setMultiChoiceItems(items, selectedItems,
new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which,
boolean isChecked) {
selected[which] = isChecked;
}
})
.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
dialog.dismiss();
}
})
.setNegativeButton(R.string.preklici, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
}
});
I think you are implementing checkbox in list View item so you can go through this answer. 我认为您正在实现列表视图项中的复选框,以便可以通过此答案。 https://stackoverflow.com/a/10896140/6869491 hope it will help
https://stackoverflow.com/a/10896140/6869491希望它会有所帮助
You need to handle the check state of the checkbox in the code. 您需要处理代码中复选框的检查状态。 Create a list of already selected items
创建已选择项目的列表
So create ArrayList<Integer> selList=new ArrayList();
因此,创建
ArrayList<Integer> selList=new ArrayList();
then on your setMultiChoiceItems
do the following - 然后在您的
setMultiChoiceItems
执行以下操作-
.setMultiChoiceItems(items, selectedItems,
new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which,
boolean isChecked) {
// If user select a item then add it in selected items
selectedItems.add(which);
multichoiceDialog.getListView().setItemChecked(which, isChecked);// You can tell the dialog to update its state here.
}
}
Please note I have only shown 1 part of your code so only use the content inside the setMultiChoiceItems
method. 请注意,我只显示了代码的一部分,因此仅使用
setMultiChoiceItems
方法中的内容。 Otherwise you might have to take care of the braces on your own :) 否则,您可能需要自己照顾大括号:)
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