XXXAdapter中 增加
public Fragment currentFragment;
@Override
public void setPrimaryItem(ViewGroup container, int position, Object object) {
//获取当前fragment
currentFragment = (Fragment)object;
super.setPrimaryItem(container, position, object);
} Activity中保存之前设置的Adapter,获取子viiew
private XXXAdapter xxxAdapter;
EditText etName = (EditText)xxxAdapter.currentFragment.getView().findViewById(R.id.et_name);