Java Android:无法强制转换非配置实例

我试图在OnRetainStationConfigurationInstance方法上保留一个Radio（我创建的类）数组，但当我试图通过对getLastNonConfigurationInstance的转换将其取回时，出现以下错误：

java.lang.ClassCastException:android.support.v4.app.FragmentActivity$NonConfigurationInstances不能强制转换为me.android….lib.Radio[]

这是我的密码：

    public void loadFeed() {

    @SuppressWarnings("deprecation")
    final Object data = getLastNonConfigurationInstance();

    // the activity is starting for the first time
    // read the json response and populate the radio stream list
    if(data == null) {

        //test
        Toast.makeText(getApplicationContext(), "1", Toast.LENGTH_SHORT).show();

        populateListFromJson();
    } else {

        //test
        Toast.makeText(getApplicationContext(), "2", Toast.LENGTH_SHORT).show();

        // The activity was destroyed/created automatically, populate the radio stream
        // list with the info load by the previous activity
        final Radio[] radios = (Radio[]) data;
        for(Radio radio : radios) {
            radiosList.add(radio);
        }

        adapter.notifyDataSetChanged();
    }

}

@Override
public Object onRetainCustomNonConfigurationInstance() {
    // TODO Auto-generated method stub
    return radios;
}

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有人能帮我吗？

打电话给GetCustomNonConfigulationInstance代替真棒的人，它成功了。谢谢@GregGiacovelli@GregGiacovelli,