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Lotus

Lotus: a library for handling interaction between pages or modules in Android. Implemented based on Google Lifecycle-aware and the classic observer pattern.

Features

Observers have life-cycle attributes Observers bind lifecycle owner(Activity/Fragment) with an API. Lifecycle-aware components perform actions in response to a change in the lifecycle status of another component, such as activities and fragments.

Single Data pool Lotus uses the single data pool for dispatching data and it can handle cross-module interaction perfectly.

Notify events more efficiently Lotus only notify events to the observers which subscribe the event.

Support Mutex observer The Data with a type(DataReactType) can hold one mutex observer.

Support Annotation Write the code with @DataSubscribe annotation to your subscriber methods. The performance can be improved greatly by indexing in build time than reflection in run time.

Compatible without lifecycle Lotus provides api for observes without lifecycle.

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Getting started

  1. Define event type in DataReactType class:
 public static final String LOGIN_SUCCESS = "type_1"
  1. Declare subscribers:
        @DataSubscribe(dataType ={DataReactType.LOGIN_SUCCESS})
        public void onLoginSuccess(Data data) { 
            //do something
            Log.e(TAG, "get data:" + data.getData());
        }
  1. Set data:
  DataReact.set(new Data(DataReactType.LOGIN_SUCCESS).setData(userInfo));

License

Copyright (C) 2018 iQIYI.com

Lotus binaries and source code can be used according to the Apache License, Version 2.0.