AndroidAnnotations简单示例

1 &＃64;EActivity(R.layout.activity_main)
2 public class MainActivity extends Activity {
3
4 &＃64;ViewById(R.id.textView)
5 TextView textView;
6
7 &＃64;ViewById //不指定ID&＃xff0c;默认以控件名进行查找
8 Button button;
9
10
11 &＃64;StringRes //获取资源文件值
12 String hello_world;
13
14 &＃64;SystemService //实例化系统服务
15 NotificationManager notificationManager;
16
17
18 &＃64;SystemService
19 WindowManager windowManager;
20
21 DisplayMetrics dm;
22
23 &＃64;Click//事件控制&＃xff0c;可以以按钮的id作为方法名
24 public void buttonClicked() {
25 textView.setText("值变了" &＃43; hello_world);
26 Toast.makeText(MainActivity.this, "hello ", Toast.LENGTH_LONG).show();
27
28 someBackgroundWork("丽丽", 5);
29 }
30
31 &＃64;AfterViews //初始化控件值
32 public void init() {
33 textView.setText("初始值 " &＃43; dm.widthPixels &＃43; " X " &＃43; dm.heightPixels);
34 }
35
36 &＃64;Override
37 protected void onCreate(Bundle savedInstanceState) {
38 super.onCreate(savedInstanceState);
39
40 dm &＃61; new DisplayMetrics();
41 windowManager.getDefaultDisplay().getMetrics(dm);
42 }
43
44 &＃64;Background //开启新线程后台运行&＃xff0c;而且返回值类型一定是void
45 void someBackgroundWork(String name, long timeToDoSomeLongComputation) {
46
47 SystemClock.sleep(timeToDoSomeLongComputation);
48
49 updateUi("hello " &＃43; name, Color.RED);
50 showNotificationsDelayed();
51 }
52
53
54 &＃64;UiThread
55 //UI线程
56 void updateUi(String message, int color) {
57
58 textView.setText(message);
59 textView.setTextColor(color);
60
61 }
62
63
64 &＃64;UiThread(delay &＃61; 2000)
65 //可以设置延时时间&＃xff0c;以毫秒为单位
66 void showNotificationsDelayed() {
67 Notification notification &＃61; new Notification(R.mipmap.ic_launcher, "Hello !", 0);
68 PendingIntent contentIntent &＃61; PendingIntent.getActivity(this, 0, new Intent(), 0);
69 notification.setLatestEventInfo(getApplicationContext(), "My notification", "Hello World!", contentIntent);
70 notificationManager.notify(1, notification);
71 }
72 }