1 @EActivity(R.layout.activity_main) 2 public class MainActivity extends Activity { 3 4 @ViewById(R.id.textView) 5 TextView textView; 6 7 @ViewById //不指定ID,默认以控件名进行查找 8 Button button; 9 10 11 @StringRes //获取资源文件值12 String hello_world;13 14 @SystemService //实例化系统服务15 NotificationManager notificationManager;16 17 18 @SystemService19 WindowManager windowManager;20 21 DisplayMetrics dm;22 23 @Click//事件控制,可以以按钮的id作为方法名24 public void buttonClicked() {25 textView.setText("值变了" + hello_world);26 Toast.makeText(MainActivity.this, "hello ", Toast.LENGTH_LONG).show();27 28 someBackgroundWork("丽丽", 5);29 }30 31 @AfterViews //初始化控件值32 public void init() {33 textView.setText("初始值 " + dm.widthPixels + " X " + dm.heightPixels);34 }35 36 @Override37 protected void onCreate(Bundle savedInstanceState) {38 super.onCreate(savedInstanceState);39 40 dm = new DisplayMetrics();41 windowManager.getDefaultDisplay().getMetrics(dm);42 }43 44 @Background //开启新线程后台运行,而且返回值类型一定是void45 void someBackgroundWork(String name, long timeToDoSomeLongComputation) {46 47 SystemClock.sleep(timeToDoSomeLongComputation);48 49 updateUi("hello " + name, Color.RED);50 showNotificationsDelayed();51 }52 53 54 @UiThread55 //UI线程56 void updateUi(String message, int color) {57 58 textView.setText(message);59 textView.setTextColor(color);60 61 }62 63 64 @UiThread(delay = 2000)65 //可以设置延时时间,以毫秒为单位66 void showNotificationsDelayed() {67 Notification notification = new Notification(R.mipmap.ic_launcher, "Hello !", 0);68 PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(), 0);69 notification.setLatestEventInfo(getApplicationContext(), "My notification", "Hello World!", contentIntent);70 notificationManager.notify(1, notification);71 }72 }
注意:
使用AndroidAnnotations,编译的时候会生成一个子类,这个子类的名称就是在原来的类之后加了一个下划线“_”,比如这个例子产生的子类名称为“MainActivity_”,这就需要你在注册这个Activity的时候,在
AndroidManifest.xml中将 MainActivity 改为 MainActivity_ ,使用的时候也是使用MainActivity_来表示此类,如:
1 startActivity(new Intent(this,MainActivity_.class));