How to add items to a spinner in Android

Question

How to add items to a spinner

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lt string-array name  array name  gt   lt item gt Array Item One lt  item gt   lt item gt Array Item Two lt  item gt   lt item gt Array Item Three lt  item gt   lt  string-array gt    In your layout    lt Spinner          android id    id spinner          android layout width  fill parent          android layout height  wrap content          android drawSelectorOnTop  true          android entries   array array name        gt

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This code basically reads a JSON array object and convert each row into an option in the spinner that is passed as a parameter   public ArrayAdapter lt String gt  getArrayAdapterFromArrayListForSpinner ArrayList lt JSONObject gt  aArrayList  String aField        ArrayAdapter lt String gt  aArrayAdapter   new ArrayAdapter lt String gt  context  android R layout simple spinner item       aArrayAdapter setDropDownViewResource R layout multiline spinner dropdown item     android R layout simple spinner dropdown item     try           for  int i   0  i  lt  aArrayList size    i                          aArrayAdapter add aArrayList get i  getString aField                     catch  JSONException e            e printStackTrace            ShowMessage  Error while reading the JSON list              return aArrayAdapter

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Add a spinner to the XML layout  and then add this code to the Java file   Spinner spinner  spinner    Spinner  findViewById R id spinner1    java util ArrayList lt String gt  strings   new java util ArrayList lt  gt     strings add  Mobile     strings add  Home    strings add  Work    SpinnerAdapter spinnerAdapter   new SpinnerAdapter AddMember this  R layout support simple spinner dropdown item  strings   spinner setAdapter spinnerAdapter

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Try this code   final List lt String gt  list   new ArrayList lt String gt     list add  Item 1    list add  Item 2    list add  Item 3    list add  Item 4    list add  Item 5     final String   str     Report 1    Report 2    Report 3    Report 4    Report 5     final Spinner sp1    Spinner  findViewById R id spinner1   final Spinner sp2    Spinner  findViewById R id spinner2    ArrayAdapter lt String gt  adp1   new ArrayAdapter lt String gt  this                                android R layout simple list item 1  list   adp1 setDropDownViewResource android R layout simple spinner dropdown item   sp1 setAdapter adp1    ArrayAdapter lt String gt  adp2   new ArrayAdapter lt String gt  this                                    android R layout simple spinner item  str   adp2 setDropDownViewResource android R layout simple spinner dropdown item   sp2 setAdapter adp2    sp1 setOnItemSelectedListener new OnItemSelectedListener                  Override         public void onItemSelected AdapterView lt   gt  arg0  View arg1  int position  long id                   TODO Auto-generated method stub             Toast makeText getBaseContext    list get position   Toast LENGTH SHORT  show                        Override         public void onNothingSelected AdapterView lt   gt  arg0                   TODO Auto-generated method stub                    sp2 setOnItemSelectedListener new OnItemSelectedListener                  Override         public void onItemSelected AdapterView lt   gt  arg0  View arg1  int position  long id                   TODO Auto-generated method stub             Toast makeText getBaseContext    str position   Toast LENGTH SHORT  show                        Override         public void onNothingSelected AdapterView lt   gt  arg0                   TODO Auto-generated method stub                     You can also add spinner item value through String array xml file     lt resources gt       lt string name  app name  gt Spinner ex5 lt  string gt       lt string name  hello world  gt Hello world  lt  string gt       lt string name  menu settings  gt Settings lt  string gt       lt string name  title activity main  gt MainActivity lt  string gt       lt string-array name  str2  gt           lt item gt Data 1 lt  item gt           lt item gt Data 2 lt  item gt           lt item gt Data 3 lt  item gt           lt item gt Data 4 lt  item gt           lt item gt Data 5 lt  item gt       lt  string-array gt   lt  resources gt    In mainActivity java   final Spinner sp3    Spinner  findViewById R id spinner3   ArrayAdapter lt CharSequence gt  adp3   ArrayAdapter createFromResource this                                      R array str2  android R layout simple list item 1    adp3 setDropDownViewResource android R layout simple spinner dropdown item   sp3 setAdapter adp3   sp3 setOnItemSelectedListener new OnItemSelectedListener                  Override         public void onItemSelected AdapterView lt   gt  arg0  View arg1  int position  long id                   TODO Auto-generated method stub             String ss   sp3 getSelectedItem   toString                Toast makeText getBaseContext    ss  Toast LENGTH SHORT  show                        Override         public void onNothingSelected AdapterView lt   gt  arg0                   TODO Auto-generated method stub

User · Answer

An easier way is to use the material spinner library  https   github com jaredrummler MaterialSpinner  first add to your project   compile  com jaredrummler material-spinner 1 2 4    and use like this    lt com jaredrummler materialspinner MaterialSpinner     android id    id spinner      android layout width  match parent      android layout height  wrap content   gt    and java code that you can add items in java so easy   MaterialSpinner spinner    MaterialSpinner  findViewById R id spinner   spinner setItems  item 1    item 2    item 3    item 4    item 5    spinner setOnItemSelectedListener new MaterialSpinner OnItemSelectedListener lt String gt          Override public void onItemSelected MaterialSpinner view  int position  long id  String item        Snackbar make view   Clicked     item  Snackbar LENGTH LONG  show

User · Answer

To add one more item to Spinner you can   ArrayAdapter myAdapter        ArrayAdapter  mySpinner getAdapter      myAdapter add myValue    myAdapter notifyDataSetChanged

User · Answer

For adding item in Spinner  you can do one thing  try to create an adapter and then add remove items into the adapter  then you can easily bind that adapter to spinner by using setAdapter   method   Here is an example   spinner setAdapter adapter   adapter add item1   adapter add item2   adapter add item3   adapter add item4   adapter add item5   adapter notifyDataSetChanged    spinner setAdapter adapter

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Add this code after updating the list  Suppose   The ArrayAdapter lt String  variable name is dataAdapter  and the List variable name is keys    dataAdapter addAll keys   dataAdapter notifyDataSetChanged

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I ve found another option  spinner definition in the layout file   lt Spinner android id    id spinner      android layout width  fill parent      android drawSelectorOnTop  true      android prompt   string spin      android entries   array spinnerItems    gt    Items definition in the file array xml    lt resources gt       lt string-array name  spinnerItems  gt           lt item gt item1 lt  item gt           lt item gt item2 lt  item gt           lt item gt item3 lt  item gt           lt item gt item4 lt  item gt       lt  string-array gt   lt  resources gt    Link to the full source of the code

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XML file    lt Spinner     android id    id Spinner01      android layout width  wrap content      android layout height  wrap content   gt    Java file   public class SpinnerExample extends Activity         Override     public void onCreate Bundle savedInstanceState            super onCreate savedInstanceState           setContentView R layout main            String   arraySpinner   new String                  1    2    3    4    5    6    7                     Spinner s    Spinner  findViewById R id Spinner01           ArrayAdapter lt String gt  adapter   new ArrayAdapter lt String gt  this                  android R layout simple spinner item  arraySpinner           adapter setDropDownViewResource android R layout simple spinner dropdown item           s setAdapter adapter             See spinner example

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It s just to clear the adapter  add all itens and notify change like below     public void show List lt Object gt  objLIst        adapter clear        adapter addAll objLIst       adapter notifyDataSetChanged

[android] How to add items to a spinner in Android?

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