我试图让我的微调器作为操作栏下拉列表项工作,但我似乎根本无法实现它,通过谷歌搜索后没有很多教程。我认为它与 .setListNavigationCallbacks(); 一行代码,我只是不知道如何从那一行开始工作。
// setup action bar for spinner
ActionBar bar = getActionBar();
bar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
bar.setListNavigationCallbacks();
Spinner spinner = (Spinner) findViewById(R.id.spinner1);
ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.tools_array_stopwatch, android.R.layout.simple_spinner_item);
adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
spinner.setAdapter(adapter);
spinner.setOnItemSelectedListener(this);
}
public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
// TODO Auto-generated method stub
switch (arg2) {
case 0:
break;
case 1:
Intent countdown = new Intent(this, CountdownActivity.class);
startActivity(countdown);
break;
default :
break;
}
}
public void onNothingSelected(AdapterView<?> arg0) {
// TODO Auto-generated method stub
}