practice how to use the operator of RxJava2,this is a Rxjava2-usage-sample demo
the most of codes in this project were picked up from https://github.com/amitshekhariitbhu/RxJava2-Android-Samples
Copyright (C) 2016 Amit Shekhar Copyright (C) 2011 Android Open Source Project
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.