android 中Activity 加载Fragment ;Fragment中加载ViewPager

1、

（1）Activity 加载Fragment

private void initFragment(){

FragmentManager fm = getSupportFragmentManager();

FragmentTransaction bt = fm.beginTransaction();

bt.replace(R.id.fl_content,new ContentFragment(),FRAGMENT_CONTENT);

bt.replace(R.id.fl_left_menu,new LeftMenuFragment(),FRAGMENT_LEFT_MENU);

bt.commit();

}

（2） Fragment获取Activity

mActivity = getActivity();

2、

（1）Fragment中加载ViewPager

private ArrayList<BasePager> mPagerLists;

mPagerLists =new ArrayList<BasePager>();

mPagerLists.add(new HomePager(mActivity));

（2）ViewPager获取Fragment

Main2Activity mainactivity=(Main2Activity) mActivity;

LeftMenuFragment leftMenuFragment = mainactivity.getLeftMenuFragment();