Rxjava 实践之路 [初级篇]

/**
   * 去掉数据中重复值
   * @author leibing
   * @createTime 2016/09/18
   * @lastModify 2016/09/18
   * @param
   * @return
   */
  private void distinctObservable(){
      // 将发射数据重复五遍再去重复
      Observable.just("A1","A1","B1","C1","D1","B1","A1").repeat(5).distinct().subscribe(new Action1() {
          @Override
          public void call(String s) {
              // 打印结果
              System.out.println("ddddddddddddddddd distinct s = " + s);
          }
      });
  }

09-18 14:54:35.616 6187-6187/cn.jianke.rxjavafilterdemo I/System.out: ddddddddddddddddd distinct s = A1
09-18 14:54:35.616 6187-6187/cn.jianke.rxjavafilterdemo I/System.out: ddddddddddddddddd distinct s = B1
09-18 14:54:35.617 6187-6187/cn.jianke.rxjavafilterdemo I/System.out: ddddddddddddddddd distinct s = C1
09-18 14:54:35.617 6187-6187/cn.jianke.rxjavafilterdemo I/System.out: ddddddddddddddddd distinct s = D1

  /**
   * 筛选出原始数据中前n个数据跳过不发射
   * @author leibing
   * @createTime 2016/09/18
   * @lastModify 2016/09/18
   * @param
   * @return
   */
  private void skipObservable(){
      // skip(n) 提取原数据前n个数据跳过不发射
      Observable.just("1","2","3","4","5").skip(4).subscribe(new Action1() {
          @Override
          public void call(String s) {
              // 打印结果
              System.out.println("ddddddddddddddd skip s = " + s);
          }
      });
  }

09-18 15:04:10.187 11687-11687/cn.jianke.rxjavafilterdemo I/System.out: ddddddddddddddd skip s = 5