private void initView() {

mViewPager=(ViewPager)findViewById(R.id.id_viewpager);

mDatas=new ArrayList<Fragment>();

? ?MYConversitation first3=new MYConversitation();

? ?friendConversitation first2=new friendConversitation();

? ?Conversitation first1=new Conversitation();

? ?mDatas.add(first1);

? ?mDatas.add(first2);

? ?mDatas.add(first3);

問題提示是這個

? ?The method add(Fragment) in the type List<Fragment> is not applicable for the arguments (friendConversitation)

?

}