public static Subscription getTeams(String date) {

        Subscription subscription = AppService.getNbaplus().getGames(date)
                .subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Action1<Games>() {
                    @Override
                    public void call(Games games) {//成功的回调
                        AppService.getBus().post(new GamesEvent(games, Constant.Result.SUCCESS));
                    }
                }, new Action1<Throwable>() {//失败的回调
                    @Override
                    public void call(Throwable throwable) {
                        AppService.getBus().post(new GamesEvent(null, Constant.Result.FAIL));
                    }
                });
        return subscription;
    }

private <T extends View> T $(@IdRes int id) {
       return (T) findViewById(id);
   }

public class LoginForm {  
private JButton loginButton; //定义为成员变量  
……  
}  
  
public class JButton {  
    ……  
}

public class Driver {  
    public void drive(Car car) {  
        car.move();  
    }  
    ……  
}  
  
public class Car {  
    public void move() {  
        ......  
    }  
    ……  
}

//父类  
public class Person {  
protected String name;  
protected int age;  
  
public void move() {  
        ……  
}  
  
public void say() {  
  ……  
}  
}  
  
//子类  
public class Student extends Person {  
private String studentNo;  
  
public void study() {  
    ……  
    }  
}  
  
//子类  
public class Teacher extends Person {  
private String teacherNo;  
  
public void teach() {  
    ……  
    }  
}

public interface Vehicle {  
public void move();  
}  
  
public class Ship implements Vehicle {  
public void move() {  
    ……  
    }  
}  
  
public class Car implements Vehicle {  
public void move() {  
    ……  
    }  
}

public class Person implements Comparable<Person>{//实现接口	
	int age;
	String name;
	
	public Person(int age,String name){
		this.age = age;
		this.name = name;
	}
	//getter&setters
	
	@Override			//如果前者大于后者，返回1，等于返回0，小于返回-1
	public int compareTo(Person person) {//复写方法
		if(this.age<person.age)
			return -1;
		else if(this.age==person.age)
			return 0;
		else return 1;
	}

}

//测试代码
public class TestComparable {

	public static void main(String[] args) {
		List<Person> person = new ArrayList<Person>();
		
		person.add(new Person(15,"xiaoming"));
		person.add(new Person(20,"xiaoli"));
		person.add(new Person(18,"xiaowang"));
		Collections.sort(person);
		for (Person person2 : person) {
			System.out.println(person2.getAge());
		}
	}

}

public class MyComparable implements Comparator<Person>{

	@Override
	public int compare(Person person1, Person person2) {
		
		if(person1.age<person2.age)
			return -1;
		else if(person1.age == person2.age)
			return 0;
		else return 1;
	}

}

public class TestComparator {
	public static void main(String[] args) {
		List<Person> person = new ArrayList<Person>();
		MyComparable c= new MyComparable();
		person.add(new Person(15,"xiaoming"));
		person.add(new Person(20,"xiaoli"));
		person.add(new Person(18,"xiaowang"));
		person.add(new Person(27,"xiaoma"));
		Collections.sort(person,c);
		for (Person person2 : person) {
			System.out.println(person2.getAge());
		}
	}

}

/**
   * Factory method to create a new ViewDragHelper.//工厂方法创建一个ViewDragHelper
   *
   * @param forParent Parent view to monitor
   * @param sensitivity Multiplier for how sensitive the helper should be about detecting  the start of a drag. Larger values are more sensitive. 1.0f is normal.
   * @param cb Callback to provide information and receive events//一个提供信息和接收事件的回调
   * @return a new ViewDragHelper instance
   */
  public static ViewDragHelper create(ViewGroup forParent, float sensitivity, Callback cb) {
      final ViewDragHelper helper = create(forParent, cb);
      helper.mTouchSlop = (int) (helper.mTouchSlop * (1 / sensitivity));
      return helper;
  }

/**
       * Called when the user's input indicates that they want to capture the given child view
       * with the pointer indicated by pointerId. The callback should return true if the user
       * is permitted to drag the given view with the indicated pointer.
       *
       * <p>ViewDragHelper may call this method multiple times for the same view even if
       * the view is already captured; this indicates that a new pointer is trying to take
       * control of the view.</p>
       *
       * <p>If this method returns true, a call to {@link #onViewCaptured(android.view.View, int)}
       * will follow if the capture is successful.</p>
       *
       * @param child Child the user is attempting to capture
       * @param pointerId ID of the pointer attempting the capture
       * @return true if capture should be allowed, false otherwise
       */
      public abstract boolean tryCaptureView(View child, int pointerId);

/**
        * 约束被拖拽的子View沿着X轴移动，默认的实现不允许水平移动 ，子类必须覆盖这个方法并提供想要的 clamping.
        *
        * @param child Child view being dragged
        * @param left Attempted motion along the X axis
        * @param dx Proposed change in position for left
        * @return The new clamped position for left
        */
       public int clampViewPositionHorizontal(View child, int left, int dx) {
           return 0;
       }