日拱一卒（五十一）

hello event bus!

package com.moonlight.eventdemo;import de.greenrobot.event.EventBus;import android.support.v7.app.ActionBarActivity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.widget.TextView;public class MainActivity extends ActionBarActivity {private TextView tv;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);EventBus.getDefault().register(this);tv = (TextView) findViewById(R.id.text);new Thread(new Runnable() {@Overridepublic void run() {EventBus.getDefault().post("hello event bus!");}}).start();}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {getMenuInflater().inflate(R.menu.main, menu);return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {int id = item.getItemId();if (id == R.id.action_settings) {return true;}return super.onOptionsItemSelected(item);}@Overrideprotected void onDestroy() {super.onDestroy();EventBus.getDefault().unregister(this);}public void onEventMainThread(String event) {tv.setText(event);}}