android - Spinner value Changing based on parent spinner value changing -

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hi , have 3 spinners .in want change second spinner value change based on first spinner value , third spinner change based on second spinner value values fetched , displayed database.i using arrayadapter .i searching last 2 weeks . dont solution kindly me running out of time pls.

may help,

arrayadapter<string> secondspinneradapter; arrayadapter<string> firstspinneradapter = new arrayadapter<string>(                 mainactivity.this, android.r.layout.simple_spinner_item,                 firstspinnervalue);         first_spinner.setadapter(firstspinneradapter);         firstspinneradapter                  .setdropdownviewresource(android.r.layout.simple_spinner_dropdown_item);   firstspinner.setonitemselectedlistener(new onitemselectedlistener() {              @override             public void onitemselected(adapterview<?> arg0, view arg1,                     int arg2, long arg3) {                 // todo auto-generated method stub                      // data database add arraylist                        secondspinneradapter = new                       arrayadapter<string>( mainactivity.this,                       android.r.layout.simple_spinner_item,   arraylistvalue);                       second_spinner.setadapter(secondspinneradapter);                       second_spinner.setselection(arg2, false);                       secondspinneradapter.setdropdownviewresource                       (android.r.layout.simple_spinner_dropdown_item);              }              @override             public void onnothingselected(adapterview<?> arg0) {                 // todo auto-generated method stub              }         });

first spinner item selected, data database , fill arraylist , set secondspinner.

same way follow second spinner item selected.


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