MainActivity中XML：
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:baselineAligned="false" android:divider="?android:attr/dividerHorizontal" android:orientation="horizontal" android:showDividers="middle" > <fragment android:id="@+id/item_list" android:name="com.angeldevil.eventbusdemo.ItemListFragment" android:layout_width="0dip" android:layout_height="match_parent" android:layout_weight="1" /> <fragment android:id="@+id/item_detail_container" android:name="com.angeldevil.eventbusdemo.ItemDetailFragment" android:layout_width="0dip" android:layout_height="match_parent" android:layout_weight="2" /> </LinearLayout>ItemListFragment
public class ItemListFragment extends ListFragment { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // Register EventBus.getDefault().register(this); } @Override public void onDestroy() { super.onDestroy(); // Unregister EventBus.getDefault().unregister(this); } @Override public void onViewCreated(View view, Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); // 开启线程加载列表 new Thread() { public void run() { try { Thread.sleep(2000); // 模拟延时 // 发布事件，在后台线程发的事件 EventBus.getDefault().post(new ItemListEvent(Item.ITEMS)); } catch (InterruptedException e) { e.printStackTrace(); } }; }.start(); } public void onEventMainThread(ItemListEvent event) { setListAdapter(new ArrayAdapter<Item>(getActivity(), android.R.layout.simple_list_item_activated_1, android.R.id.text1, event.getItems())); } @Override public void onListItemClick(ListView listView, View view, int position, long id) { super.onListItemClick(listView, view, position, id); EventBus.getDefault().post(getListView().getItemAtPosition(position)); } }ItemDetailFragment
public class ItemDetailFragment extends Fragment { private TextView tvDetail; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); // register EventBus.getDefault().register(this); } @Override public void onDestroy() { super.onDestroy(); // Unregister EventBus.getDefault().unregister(this); } /** List点击时会发送些事件，接收到事件后更新详情 */ public void onEventMainThread(Item item) { if (item != null) tvDetail.setText(item.content); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View rootView = inflater.inflate(R.layout.fragment_item_detail, container, false); tvDetail = (TextView) rootView.findViewById(R.id.item_detail); return rootView; } } public class Item { public String id; public String content; public static List<Item> ITEMS = new ArrayList<Item>(); static { // Add 6 sample items. addItem(new Item("1", "Item 1")); addItem(new Item("2", "Item 2")); addItem(new Item("3", "Item 3")); addItem(new Item("4", "Item 4")); addItem(new Item("5", "Item 5")); addItem(new Item("6", "Item 6")); } private static void addItem(Item item) { ITEMS.add(item); } public Item(String id, String content) { this.id = id; this.content = content; } @Override public String toString() { return content; } }Event
public class Event { /** 列表加载事件 */ public static class ItemListEvent { private List<Item> items; public ItemListEvent(List<Item> items) { this.items = items; } public List<Item> getItems() { return items; } } }