相关疑难解决方法(0)

我有以下问题:我有一个活动,其中我有两个选项卡,使用FragmentPagerAdapter作为片段 在某些时刻我想更改其中一个片段的视图,但我无法找到FragmentById()或findFragmentByTag( )我无法设置id,因为我没有在XML中声明Fragment,因为FragmentPagerAdapter 当我尝试设置标记时,我遇到了以下问题:

08-15 21:46:23.805: E/AndroidRuntime(9297): java.lang.IllegalStateException: Can't  change tag of fragment Companies{416d7b78 id=0x7f04002e companies}: was companies now android:switcher:2130968622:1

我的寻呼机FragmentPagerAdapter的代码:

public class TabsAdapter extends FragmentPagerAdapter implements    ActionBar.TabListener, ViewPager.OnPageChangeListener {
    private final FragmentActivity mContext;
    private final ActionBar mActionBar;
    private final ViewPager mViewPager;
    private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();


    final class TabInfo {
        private final Class<?> clss;
        private final Bundle args;

        TabInfo(Class<?> _class, Bundle _args) {
            clss = _class;
            args = …