Setting selected item of Spinner by value rather than by position

+1 vote

I want to preselect the value that is stored in the database for a Spinner but I can't find the indexOf method of the Adapter. Can someone help me out of this?

void setSpinner(String value)
{
    int position = getSpinnerField().getAdapter().indexOf(value);
    getSpinnerField().setSelection(position);
}
Aug 10, 2018 in Java by misc.edu04
• 1,450 points
21,155 views

1 answer to this question.

+1 vote

Suppose your Spinner is named newSpinner, and it contains as one of its choices: "xyz".

To find and compare the position of "xyz" in the Spinner, you can use the following:

String compareValue = "xyz";
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.select_state, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
newSpinner.setAdapter(adapter);
if (compareValue != null) {
    int spinnerPosition = adapter.getPosition(compareValue);
    newSpinner.setSelection(spinnerPosition);
}
answered Aug 10, 2018 by 93.lynn
• 1,600 points
my problem was how to get the position of an item in a spinner. this snippet solved it.
Glad I could help. Please do upvote my answer if it has helped. I need more points and reputation.

Yo how do I do it for a custom spinner instead?

I don't have this section of the code as I have a custom adapter. 

ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.select_state, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
newSpinner.setAdapter(adapter);

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