68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
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//
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// MPAppState.h
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// APMPaaS
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//
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// Created by qiwei on 01/12/2017.
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// Copyright © 2017 Alipay. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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/**
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试图提供更准确的前后台状态
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以及一个关键的网络长连接状态
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*/
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typedef NS_ENUM(NSUInteger,MPAppStateEnum){
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MPAppState_Unknown,// 仅App启动过程中，到didFinishLaunching之间会出现这个值。也就是业务不应该获取到这个值，否则就是获取太早了。
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MPAppState_Foreground,
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MPAppState_Background,
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};
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@interface MPAppState : NSObject
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/**
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App当前处于后台
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注意：！！如果main之前获取，认为是前台
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@return YES 后台 ; NO前台或回前台过程中
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*/
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+ (BOOL)isBackground;
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/**
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状态变化通知
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@param listener 通知block，src与dest不会相同
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*/
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+ (void)addStateChangeListener:(void(^)(MPAppStateEnum src,MPAppStateEnum dest)) listener;
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/**
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上一次进后台的时间戳
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这个时间戳是App可感知到的最早时机（直接挂接到AppDelegate）
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@return
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*/
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+ (NSTimeInterval)lastDidEnterBackgroundTimestamp;
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/**
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上一次进后台的时刻（距离开机时间）
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这个时刻是App可感知到的最早时机（直接挂接到AppDelegate）
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@return
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*/
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+ (NSTimeInterval)lastDidEnterBackgroundRelativeTime;
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/**
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处于后台无长连接状态
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若返回YES，则无网络层不建立长连接，即RPC都发不出去
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@return YES 无
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*/
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+ (BOOL)inBackgroundNoConnectionMode;
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@end
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