Created
September 18, 2014 03:40
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viewpager 获取 fragment
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| public class MyPagerAdapter extends FragmentStatePagerAdapter { | |
| SparseArray<Fragment> registeredFragments = new SparseArray<Fragment>(); | |
| public MyPagerAdapter(FragmentManager fm) { | |
| super(fm); | |
| } | |
| @Override | |
| public int getCount() { | |
| return ...; | |
| } | |
| @Override | |
| public Fragment getItem(int position) { | |
| return MyFragment.newInstance(...); | |
| } | |
| @Override | |
| public Object instantiateItem(ViewGroup container, int position) { | |
| Fragment fragment = (Fragment) super.instantiateItem(container, position); | |
| registeredFragments.put(position, fragment); | |
| return fragment; | |
| } | |
| @Override | |
| public void destroyItem(ViewGroup container, int position, Object object) { | |
| registeredFragments.remove(position); | |
| super.destroyItem(container, position, object); | |
| } | |
| public Fragment getRegisteredFragment(int position) { | |
| return registeredFragments.get(position); | |
| } | |
| } |
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