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Selected option shouldn't appear in spinner dropdown list

I have a Spinner that is used to populate some choices. My Spinner acts as a filter to the ListView below it.
The Spinner looks something like this:
****Option 2**** (selected)
****Option 1****
****Option 2****
****Option 3****
****Option 4****
Is there a way that i can hide the selected item from the dropdown list, like in this case Option 2 which is selected shouldn't appear in the dropdown list

Android Spinner not providing any built in implementation which satisfy your requirement.
You need to modify the data set of your Spinner Adapter when user select any item.
Save the selected Item in separate variable and remove it from data set of your Spinner adapter. When user select any other item, you need to add already selected item to data set, save the newly selected item in global variable and remove it from data set of Spinner adapter.

Multiple selection in Spinner android

I am using a Spinner and ArrayAdapter to populate items in Spinner. I want to make the spinner multi-selectable i.e. user can select multiple items and should also be able to deselect to none. My code is as below,
spnAdapter = new ArrayAdapter<String>(this,android.R.layout.select_dialog_multichoice,items);
spnAdapter.setDropDownViewResource(android.R.layout.simple_list_item_multiple_choice);
spnProducts.setAdapter(spnAdapter);
Here the items is an array list.
This code gives me a spinner with check boxes but it does not allow multiple selection. What should I do to make it multiple selection?
Thanks in advance.

Android spinners populate with data

I have three spinners in my activity. based on the item selected in first spinner the second spinner is populated with a new set of values. till here the program works fine. now i want that based on selection of item on 2nd spinner the third spinner should be populated. but i am not able to achieve this.

As you can do on the first spinner and second spinner. use secondSpinner.setOnItemSelectedListener(new OnItemSelectedListener() and then create and setAdapter to the third spinner.
see this question might help

Android spinner drop down with non selected items only

How to show spinner drop down with only the items which is not currently selected like below images
Drop down list when spinner with FOLLOWING as current item is clicked
Drop down list when spinner with NEW as current item is clicked

There is no default setup for that usecase. You need the change the Data-Set of the SpinnerAdapter (Model) or change the Adapter used by your Spinner in the onItemSelected method and save the selected Item in a sparate variable. A Spinner always displays alle Items in from the Spinner Adapter. There is also not the option to add an emty cell.

How to set Select keyword as default Item in Spinner

I have a problem that I have two spinners, second spinner is dependent on first (means when I select a item from 1st Spinner then according to that Second Spinner gets filled). But the problem is, I want Select Keyword as a default Item for both spinners, and when I will click on that, spinner should filled with parsed Info and when I will select an Item from first Spinner then the Parsing starts for Second Spinner but Spinner remains with default Select Keyword, when I will click on second spinner then it should be filled by the parsed Info.
How can I implement this, because when I am setting the adapter in any spinners its onItemSelectedListner first called, which is not desirable.

You will need to add "Select" as your first item in your array list..
and on click event of the Spinner you just remove the First item from your array list
you will also find many similar question in Stack Overflow..search for it and you will get your exact answers with example.

You Can do this by Dialog, make a Customize dialog with List Box and fill the list with parsed data after click on TextBox which contains Select Keyword as a default.