public class calculateActivity extends Activity { private Spinner input_v; private final static String[] option_vs={"110V","220V"};//Spinner內要放的項目 private ArrayAdapter adapter; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); input_v=(Spinner) findViewById(R.id.input_v); adapter=new ArrayAdapter(this,android.R.layout.simple_spinner_item,option_vs); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); input_v.setAdapter(adapter); //如果要用到Spinner選取的項目用 input_v.getSelectedItem() } }
-------------------如果要監聽item選取事件-----------------------------------
unit_spinner.setOnItemSelectedListener(new Spinner.OnItemSelectedListener(){ @Override public void onItemSelected(AdapterView arg0, View arg1, int which, long arg3) { textview_unit.setText(unit_spinner.getSelectedItem().toString()); } @Override public void onNothingSelected(AdapterView arg0) { } });
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