翔の學習淺談

xml:

<Spinner
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/spinner">
 </Spinner>

java:

//Spinner 由主程式寫入
Spinner spinner = (Spinner)findViewById(R.id.spinner);
ArrayAdapter<String>adapter = new ArrayAdapter<String>
                             (this,android.R.layout.simple_spinner_item,
                              new String[]{"賣水果","賣衣服","賣魚","賣菜"});
//選擇下拉式選單樣式
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);