Android 中Application向Activity 传递数值

1     public String id;
2 
3     public String getId() {
4         return id;
5     }
6 
7     public void setId(String id) {
8         this.id = id;
9     }

1     //初始化极光推送
2         JPushInterface.setDebugMode(true);
3         JPushInterface.init(this);
4 
5         id = JPushInterface.getRegistrationID(getApplicationContext());
6 
7         Log.e("极光推送获取用户id", id);

1         MyApplication application = (MyApplication) getApplication();
2         String id = application.getId().toString();
3         Log.e("极光推送用户指定id", id);