add();報錯了
? ? ?Cannot resolve method 'add(int, com.example.sky.myapplication.Fragment2) ?
這是錯誤提示,
case R.id.button2:{
? ? ? Fragment2 fragment2=new Fragment2();
? ? ? ?FragmentManager fragmentManager=getSupportFragmentManager();
? ? ? ?FragmentTransaction beginTransaction=fragmentManager.beginTransaction();
? ? ? ?beginTransaction.add(R.id.Lin22,fragment2);
break;
}
這是我的代碼??beginTransaction.add(R.id.Lin22,fragment2); 括號內報錯
2017-06-26
case里面第二行,不是調用getSupportFragmentManager(),是getFragmentManager(),后面類全都錯了,肯定報錯咯