Acess AdapterView from Dialog
I have my ListActivity that when you tap on an item, it pops up a Dialog that ask the user for user and password. How can I get the selected position from the dialog?
Here's how I initialize the ListActivity:
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
ListView listView = getListView();
listView.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
showDialog(DIALOG_USER_PASSWORD);
}
});
}
The Dialog I pop up is a simple AlertDialog with 2 EditText which I inflate from an xml file
protected Dialog onCreateDialog(int id) {
switch (id) {
...
case DIALOG_USER_PASSWORD:
LayoutInflater factory = LayoutInflater.from(this);
final View dialogView = factory.inflate(R.layout.alert_dialog_text_entry, null);
return new AlertDialog.Builder(MyListActivity.this)
.setIcon(R.drawable.alert_dialog_icon)
.setTitle(R.string.ask_user_password)
.setView(dialogView)
.setPositiveButton(R.string.ok_text, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String userName = ((EditText) findViewById(R.id.username_edit_alert_dialog))
.getText().toString();
String password = ((EditText) findViewById(R.id.password_edit_alert_dialog))
.getText().toString();
Credentials cred = new CredentialsL1(userName, password);
/* HERE IS WHERE i NEED THE SELECTED ITEM
mId IS THE OBJECT ASSOCIATED TO THE SELECTED POSITION */
mService.connect(mId, cred);
}
})
// Cancel button
.setNegativeButton(R.string.cancel_text,开发者_如何学C
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
dialog.cancel();
}
})
.create();
}
return null;
}
The only I've come up with is creating a new field "mId" and setting it when the user taps and using it when the user taps OK in the Dialog. Any more elegant idea? Thanks
private int selectedPosition;
...
protected void onCreate(Bundle savedInstanceState) {
....
// inside the item listener...
selectedPosition = position;
showDialog(DIALOG_USER_PASSWORD);
/* HERE IS WHERE i NEED THE SELECTED ITEM
mId IS THE OBJECT ASSOCIATED TO THE SELECTED POSITION */
// just use selectedPosition var
Any more elegant idea?
It seems that you use a normal ListView (not a checkbox one)... so, it's fine to do it this way.
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