android FragmentPagerAdapter的“标准”配置
16lz
2022-07-22
privateclassImagePagerAdapterextendsFragmentPagerAdapter{publicList<ImageItem>fileList;publicImagePagerAdapter(FragmentManagerfm,List<ImageItem>fileList){super(fm);this.fileList=fileList;}@OverridepublicintgetCount(){returnfileList==null?0:fileList.size();}@OverridepublicintgetItemPosition(Objectobject){returnPOSITION_NONE;}@OverridepublicbooleanisViewFromObject(Viewview,Objectobj){returnview==((Fragment)obj).getView();}@OverridepublicvoiddestroyItem(ViewGroupcontainer,intposition,Objectobject){Fragmentfragment=((Fragment)object);container.removeView(fragment.getView());FragmentUtils.removeFragmentRecently(getSupportFragmentManager(),fragment);}@OverridepublicFragmentgetItem(intposition){Stringurl=fileList.get(position).getActualUrl();returnImageDetailFragment.newInstance(url);}}
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