![]() * displayed instead of the first choice in the Adapter. * Decorator Adapter to allow a Spinner to show a 'Nothing Selected.' initially NothingSelectedSpinnerAdapter.java import R.ntact_spinner_nothing_selected_dropdown, // OptionalĬontact_spinner_row_nothing_selected.xml ![]() Usage in above example Spinner spinner = (Spinner) findViewById(R.id.spinner) ĪrrayAdapter adapter = ArrayAdapter.createFromResource(this, R.anets_array, android.R.layout.simple_spinner_item) ĪtDropDownViewResource(android.R.layout.simple_spinner_dropdown_item) Or with a prompt and something dynamic (could have had no prompt also): Using a standard prompt (notice that nothing is selected): You define a layout to 'look' like a prompt, for example, grayed out. The Dropdown doesn't normally show the prompt) (Note: Some themes show a DropDown for a Spinner instead of a dialog. This allows you to use a standard prompt or define your own 'nothing selected' as the first row, or both, or none. Spinner does not support multiple view types We have overridden the onCreate () and onUpgrade () method of SQLiteOpenHelper class in the DatabaseHandler class. As you have seen in the previous example, SQLiteOpenHelper class need to be extended for performing operations on the sqlite. ![]() ![]() (So you have to use the setTag or something else to ensure your convertView is correct.) In this example, we are adding a label on button click and displaying all the added labels on the spinner. There is an Android bug that makes this a little tougher to re-use views. (Swap cursor on the wrapped cursorAdapter of course.) Here is a working example tested for Android 2.3, and 4.0 (it uses nothing in the compatibility library, so it should be fine for awhile) Since it's a decorator, it should be easy to retrofit existing code and it works fine with CursorLoaders also. What you can do is decorate your SpinnerAdapter with one that presents a 'Select Option.' View initially for the Spinner to display with nothing selected.
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