(必须在fragmentTransaction.commit()之前完成):
1.创建一个fragment对象
2.创建一个Bundle 对象(其为键值对存储,可以理解为一个Map<K,V>): Bundle bundle = new Bundle();
3.向bundle中传值:bundle.putString("str","这是Activity传来的值");
4.将bundle通过setArguments(bundle)方法设置进fragment的对象:fragment的对象.setArguments(bundle);
详细代码是:
Fragment01 fragment = new Fragment01();
Bundle bundle = new Bundle();
bundle.putString("str","这是Activity传来的值");
fragment.setArguments(bundle);
fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction=fragmentManager.beginTransaction();
fragmentTransaction.replace(R.id.fm01id,fragment01);
fragmentTransaction.commit();
然后下面是fragment中获取到activity所传来的值:
String str = (String)getArguments().get(“str”);
好了到此结束。你应该学会了activity如何传值到fragment。
Activity与Activity之间传值详解请看: