public?class?FragmentCategory?extends?Fragment{ //聲明viewpager private?ViewPager?viewPager; //聲明數據源 private?List<Fragment>?list; //聲明適配器 private?FragmentStatePagerAdapter?adapter; //聲明view private?View?view; @Override public?View?onCreateView(LayoutInflater?inflater,?ViewGroup?container, Bundle?savedInstanceState)?{ View?view=inflater.inflate(R.layout.fragment_category,?container,?false); init(); return?view; } //初始化控件的方法 private?void?init()?{ //?TODO?Auto-generated?method?stub //得到viewpager viewPager=(ViewPager)?view.findViewById(R.id.viewpager_tab); //得到列表 list=new?ArrayList<Fragment>(); //往列表里添加fragment Information?information=new?Information(); Market?market=new?Market(); Circle?circle=new?Circle(); list.add(information); list.add(market); list.add(circle); //聲明適配器 adapter=new?FragmentStatePagerAdapter(getChildFragmentManager())?{ @Override public?int?getCount()?{ //?TODO?Auto-generated?method?stub return?list.size(); } @Override public?Fragment?getItem(int?arg0)?{ //?TODO?Auto-generated?method?stub return?list.get(arg0); } @Override public?Object?instantiateItem(ViewGroup?arg0,?int?arg1)?{ //?TODO?Auto-generated?method?stub return?super.instantiateItem(arg0,?arg1); } @Override public?void?destroyItem(ViewGroup?container,?int?position, Object?object)?{ //?TODO?Auto-generated?method?stub super.destroyItem(container,?position,?object); } }; viewPager.setAdapter(adapter); } }java.lang.RuntimeException: Unable to start activity ComponentInfo{com.yanis.yc_ui_fragment_menu/com.yanis.yc_ui_fragment_menu.MainActivity}: android.view.InflateException: Binary XML file line #13: Error inflating class fragment報的錯誤日志，是在不明白什么意思，請大神指教。。