//
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// ZJScrollPageViewDelegate.h
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// ZJScrollPageView
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//
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// Created by ZeroJ on 16/6/30.
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// Copyright © 2016年 ZeroJ. All rights reserved.
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//
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#import <UIKit/UIKit.h>
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@class ZJContentView;
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@class ZJTitleView;
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@protocol ZJScrollPageViewChildVcDelegate <NSObject>
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@optional
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/**
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*
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* 注意ZJScrollPageView不会保证viewWillAppear等生命周期方法一定会调用
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* 所以建议使用ZJScrollPageViewChildVcDelegate中的方法来替代对应的生命周期方法完成数据的加载
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*/
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- (void)zj_viewWillAppearForIndex:(NSInteger)index;
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- (void)zj_viewDidAppearForIndex:(NSInteger)index;
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- (void)zj_viewWillDisappearForIndex:(NSInteger)index;
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- (void)zj_viewDidDisappearForIndex:(NSInteger)index;
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@end
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@protocol ZJScrollPageViewDelegate <NSObject>
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/** 将要显示的子页面的总数 */
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- (NSInteger)numberOfChildViewControllers;
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/** 获取到将要显示的页面的控制器
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* -reuseViewController : 这个是返回给你的controller, 你应该首先判断这个是否为nil, 如果为nil 创建对应的控制器并返回, 如果不为nil直接使用并返回
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* -index : 对应的下标
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*/
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- (UIViewController<ZJScrollPageViewChildVcDelegate> *)childViewController:(UIViewController<ZJScrollPageViewChildVcDelegate> *)reuseViewController forIndex:(NSInteger)index;
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@optional
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- (void)setUpTitleView:(ZJTitleView *)titleView forIndex:(NSInteger)index;
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/**
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* 页面将要出现
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*
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* @param scrollPageController
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* @param childViewController
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* @param index
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*/
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- (void)scrollPageController:(UIViewController *)scrollPageController childViewControllWillAppear:(UIViewController *)childViewController forIndex:(NSInteger)index;
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/**
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* 页面已经出现
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*
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* @param scrollPageController
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* @param childViewController
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* @param index
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*/
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- (void)scrollPageController:(UIViewController *)scrollPageController childViewControllDidAppear:(UIViewController *)childViewController forIndex:(NSInteger)index;
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- (void)scrollPageController:(UIViewController *)scrollPageController childViewControllWillDisappear:(UIViewController *)childViewController forIndex:(NSInteger)index;
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- (void)scrollPageController:(UIViewController *)scrollPageController childViewControllDidDisappear:(UIViewController *)childViewController forIndex:(NSInteger)index;
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@end
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