public class testAddSpiner extends Activity {
private Spinner m_myDynamicSpinner;
private EditText m_addItemText;
private ArrayAdapter<CharSequence> m_adapterForSpinner;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
m_myDynamicSpinner = (Spinner)findViewById(R.id.dynamicSpinner);
m_addItemText = (EditText)findViewById(R.id.newSpinnerItemText);
Button addButton = (Button)findViewById(R.id.AddBtn);
Button clearButton = (Button)findViewById(R.id.ClearBtn);
m_adapterForSpinner = new ArrayAdapter(this, android.R.layout.simple_spinner_item);
m_adapterForSpinner.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
m_myDynamicSpinner.setAdapter(m_adapterForSpinner);
m_adapterForSpinner.add("gr");
addButton.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
addNewSpinnerItem();
}
});
clearButton.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
clearSpinnerItems();
}
});
}
private void addNewSpinnerItem() {
CharSequence textHolder = "" + m_addItemText.getText();
m_adapterForSpinner.add(textHolder);
}
private void clearSpinnerItems() {
m_adapterForSpinner.clear();
m_adapterForSpinner.add("dummy item");
}
}
我的微调m_adapterForSpinner是更新得非常好没有更新数据,而如果我选择一个从m_adapterForSpinner,它可以在spinner.i显示想要做的是,我添加一个数据不仅显示在m_adapterForSpinner上,而且还显示在微调器上。动态数据添加到微调器,但是,微调
private void addNewSpinnerItem() {
CharSequence textHolder = "" + m_addItemText.getText();
m_adapterForSpinner.add(textHolder);
m_adapterForSpinner.notifyDataSetChanged();
}
可能你不明白我的问题,我想更新三角形左边的数据,我的代码可以更新setDropDownViewResource中的微调框。当我点击该项目时,三角形左侧的数据是更新的,所以我希望当我添加数据时,微调器一次更新,不需要点击。 – pengwang 2011-04-29 06:45:00