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Android FragmentPagerAdapter没有改变片段内容_Android_Android Fragments_Android Viewpager_Fragmentpageradapter - Fatal编程技术网

Android FragmentPagerAdapter没有改变片段内容

Android FragmentPagerAdapter没有改变片段内容,android,android-fragments,android-viewpager,fragmentpageradapter,Android,Android Fragments,Android Viewpager,Fragmentpageradapter,项目向导中的FragmentPagerAdapter 公共类节SpagerAdapter扩展了FragmentPagerAdapter{ public SectionsPagerAdapter(FragmentManager fm) { super(fm); } @Override public Fragment getItem(int position) { Fragment fragment = new ChapterPage

项目向导中的FragmentPagerAdapter

公共类节SpagerAdapter扩展了FragmentPagerAdapter{

    public SectionsPagerAdapter(FragmentManager fm) {
        super(fm);
    }

    @Override
    public Fragment getItem(int position) {
        Fragment fragment = new ChapterPageFragment();
        if (currentPart != null) {
            Bundle args = new Bundle();
            Chapter chapter =  currentPart.getChapters().get(position);
            if (chapter.getVerses() == null) {
                chapter.setVerses(currentDao.readVerses(currentPart, chapter));
            }
            args.putParcelable(Chapter.KEY, currentPart.getChapters().get(position));
            fragment.setArguments(args);
        }
        return fragment;
    }

    @Override
    public int getCount() {
        if (currentPart == null) {
            return 0;   // Before Initialzing
        }
        return currentPart.getChapterCount();
    }

    @Override
    public CharSequence getPageTitle(int position) {
        return getString(R.string.chapter_format, position+1);
    }
}
当更改数据时

 actionListView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view,
                    int position, long id) {
                currentPart = currentBook.getParts().get(position);
                viewPager.getAdapter().notifyDataSetChanged();
                slideMenu.showContent();
            }
        });
查看页面计数已更改,但页面片段内容未更改

比如说,

选择一个零件,3页:A1、A2、A3

然后选择B部分,5页:A1、A2、A3、B4、B5而不是B1、B2、B3、B4、B5

如何将页面内容A更改为B?

您应该使用FragmentStatePagerAdapter而不是FragmentPagerAdapter,它将解决您的问题