Issue
I have a spiner and I want set a key and a value on this,I use of HashMap,It's work,but show one row,like this:
Code:
final View rootView = inflater.inflate(R.layout.fragment_photos, container, false);
Spinner spin=(Spinner)rootView.findViewById(R.id.spinner1);
HashMap<Integer, String> P_Hash=new HashMap<Integer, String>();
Update Get_Information=new Update(rootView.getContext());
ArrayList<String> Province_NAME=new ArrayList<String>();
Province_NAME=Get_Information.GET_Province();
ArrayList<Integer> Province_ID=new ArrayList<Integer>();
Province_ID=Get_Information.Get_Province_ID();
for (int i = 0; i < Province_ID.size(); i++)
{
P_Hash.put(Province_ID.get(i), Province_NAME.get(i));
Log.d("Province_ID.get(i)", Province_ID.get(i)+"");
Log.d(" Province_NAME.get(i)", Province_NAME.get(i)+"");
}
ArrayAdapter<HashMap<Integer, String>> adapter = new ArrayAdapter<HashMap<Integer,String>>(rootView.getContext(), android.R.layout.simple_spinner_item);
adapter.add(P_Hash);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spin.setAdapter(adapter);
Solution
Try to use HashMap to store Key-Value pair data and in your case spinner item index as key and Province_ID as value. Check below example for more details.
Prepare value for spinner
String[] spinnerArray = new String[Province_ID.size()];
HashMap<Integer,String> spinnerMap = new HashMap<Integer, String>();
for (int i = 0; i < Province_ID.size(); i++)
{
spinnerMap.put(i,Province_ID.get(i));
spinnerArray[i] = Province_NAME.get(i);
}
Set value to spinner
ArrayAdapter<String> adapter =new ArrayAdapter<String>(context,android.R.layout.simple_spinner_item, spinnerArray);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
Get value to spinner
String name = spinner.getSelectedItem().toString();
String id = spinnerMap.get(spinner.getSelectedItemPosition());
Answered By - Haresh Chhelana
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