Android setting label to spinner

问题

Hi how to set a label in spinner: ie the lable should initially visible when user clicke the spinner button options visible , when user select the option the label should replace with the new item,is it possible with spinner?

回答1:

Spinners do not have "labels". Beyond that, though, what I think you are describing is exactly what a Spinner does:

When closed, shows the last selection made by the user, or the initial selection if it has never been opened
When opened, shows a selection list of available choices for the user

回答2:

You can put your first item as a label:

<string-array name="countriesList">
    <item>(Select country)</item>
    <item>Country 1</item>
    <item>Country 2...</item>
</string-array>

回答3:

I solved this issue in this way:

mySpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
        @Override
        public void onItemSelected(AdapterView<?> adapterView, View view, int i, long l) {
            if(phonePrefix != null && phonePrefix.getAdapter() != null)
            {
                TextView txt = (TextView) phonePrefix.getSelectedView();
                String str = txt.getText().toString();
                String [] arr = str.split(" ");
                str  = arr[1] + " " + arr[2];
                txt.setText(str);
            }
        }

        @Override
        public void onNothingSelected(AdapterView<?> adapterView) {

        }
    });

回答4:

I think it's possible. I would be doing it in following way:

Inflate Button with desired text/label
Intercept button pressing
Create on-fly Spinner
Replace Button with Spinner
Be happy

来源：https://stackoverflow.com/questions/4334684/android-setting-label-to-spinner

标签

android