这是我的savedInstanceState代码:
@Override
public void onSaveInstanceState(Bundle savedInstanceState)
{
savedInstanceState.putStringArrayList("todo_arraylist", Altodo);
Log.v("bundle", "Saved");
super.onSaveInstanceState(savedInstanceState);
}
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
if (savedInstanceState != null)
{
Altodo = savedInstanceState.getStringArrayList("todo_arraylist");
Log.v("bundle", "Restored");
}
else
{
Log.v("bundle", "null");
}
setContentView(R.layout.main);
}
日志始终显示“bundle save”标记。
但是在onCreate
方法中,SavedInstanceState
始终为null。