351 lines
13 KiB
Objective-C
351 lines
13 KiB
Objective-C
//
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// KBPermissionViewController.m
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// CustomKeyboard
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//
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// Created by Mac on 2025/10/27.
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//
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#import "KBPermissionViewController.h"
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#import <AVFoundation/AVFoundation.h>
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static void *KBPermPlayerPresentationSizeContext = &KBPermPlayerPresentationSizeContext;
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@interface KBPermissionViewController ()
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@property (nonatomic, strong) UILabel *titleLabel; // 标题
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@property (nonatomic, strong) UILabel *tipsLabel; // 步骤提示
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@property (nonatomic, strong) UIButton *openButton; // 去设置
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@property (nonatomic, strong) UIButton *closeButton; // 去设置
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@property (nonatomic, strong) UILabel *helpLabel; // 底部帮助
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@property (nonatomic, strong) UIImageView *redImageView;
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@property (nonatomic, strong) UIImageView *bgImageView;
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// 权限引导视频播放器（循环播放，不提供暂停交互）
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@property (nonatomic, strong) AVPlayer *kb_permPlayer;
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@property (nonatomic, strong) AVPlayerLayer *kb_permPlayerLayer;
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// 承载视频的裁剪容器，高度固定为 KBFit(550)，内部内容从顶部开始显示，超出的部分从底部裁剪
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@property (nonatomic, strong) UIView *videoContainerView;
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@end
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@implementation KBPermissionViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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[self.view addSubview:self.bgImageView];
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[self.view addSubview:self.redImageView];
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// 懒加载控件 + 添加到视图
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[self.view addSubview:self.closeButton];
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[self.view addSubview:self.titleLabel];
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[self.view addSubview:self.tipsLabel];
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[self.view addSubview:self.videoContainerView];
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[self.view addSubview:self.openButton];
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[self.view addSubview:self.helpLabel];
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[self.bgImageView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.edges.equalTo(self.view);
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}];
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// Masonry 约束
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[self.closeButton mas_makeConstraints:^(MASConstraintMaker *make) {
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make.left.equalTo(self.view).offset(16);
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make.top.equalTo(self.view.mas_safeAreaLayoutGuideTop).offset(20);
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make.width.mas_equalTo(26);
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make.height.mas_equalTo(26);
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}];
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[self.redImageView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.equalTo(self.closeButton.mas_centerY);
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make.right.equalTo(self.view).offset(20);
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make.width.mas_equalTo(143);
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make.height.mas_equalTo(132);
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}];
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[self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.equalTo(self.closeButton.mas_bottom).offset(13);
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make.left.equalTo(self.view).offset(22);
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make.height.mas_equalTo(24);
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}];
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[self.tipsLabel mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.equalTo(self.titleLabel.mas_bottom).offset(8);
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make.left.equalTo(self.titleLabel);
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}];
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// 视频容器：左右各 25，顶部距离 tipsLabel 32，高度固定为 KBFit(550)
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[self.videoContainerView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.top.equalTo(self.tipsLabel.mas_bottom).offset(KB_DEVICE_HAS_NOTCH ? 32 : 0);
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make.left.equalTo(self.view).offset(25);
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make.right.equalTo(self.view).offset(-25);
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make.height.mas_equalTo(KB_DEVICE_HAS_NOTCH ? KBFit(550) : KBFit(500));
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}];
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[self.openButton mas_makeConstraints:^(MASConstraintMaker *make) {
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make.bottom.equalTo(self.view).offset(-KB_SAFE_BOTTOM-20);
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make.left.equalTo(self.view).offset(47);
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make.right.equalTo(self.view).offset(-47);
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make.height.mas_equalTo(60);
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}];
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// [self.helpLabel mas_makeConstraints:^(MASConstraintMaker *make) {
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// make.top.equalTo(self.openButton.mas_bottom).offset(12);
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// make.left.equalTo(self.view).offset(24);
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// make.right.equalTo(self.view).offset(-24);
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// }];
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}
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- (void)viewWillAppear:(BOOL)animated {
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[super viewWillAppear:animated];
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// 进入页面时自动开始播放
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[self kb_setupPermissionVideoPlayer];
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}
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- (void)viewDidDisappear:(BOOL)animated {
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[super viewDidDisappear:animated];
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// 页面离开时停止播放，避免声音继续在其他界面播放
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[self.kb_permPlayer pause];
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}
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- (void)viewDidLayoutSubviews {
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[super viewDidLayoutSubviews];
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if (!self.kb_permPlayerLayer) { return; }
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// 以「宽度」为基准等比缩放视频，高度按宽高比计算，从 videoContainerView 顶部对齐，
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// 多出的部分由容器（固定高度 KBFit(550)）从底部裁剪
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CGSize videoSize = self.kb_permPlayer.currentItem.presentationSize;
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if (videoSize.width <= 0) { return; } // 尚未拿到真实尺寸时先不布局
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CGFloat aspect = videoSize.height / videoSize.width;
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CGRect containerBounds = self.videoContainerView.bounds;
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if (CGRectIsEmpty(containerBounds)) { return; }
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CGFloat width = CGRectGetWidth(containerBounds); // 以容器宽度为基准
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CGFloat height = width * aspect; // 按宽度等比算出真实视频高度
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// 顶部对齐，y = 0；若 height > 容器高度，则底部会被裁剪
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self.kb_permPlayerLayer.frame = CGRectMake(0, 0, width, height);
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}
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- (void)dealloc {
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// 移除通知监听
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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@try {
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[self.kb_permPlayer.currentItem removeObserver:self
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forKeyPath:@"presentationSize"
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context:KBPermPlayerPresentationSizeContext];
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} @catch (__unused NSException *e) {
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// ignore if observer not set
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}
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}
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#pragma mark - Actions
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- (void)onBack {
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// 支持两种展示方式：
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// 1) 作为子控制器嵌入（无 presentingViewController）→ 交由回调让父 VC 处理（通常 pop）
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// 2) 作为模态弹出 → 按原策略先 pop 再 dismiss
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UIViewController *presenter = self.presentingViewController;
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if (!presenter) {
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if (self.backHandler) self.backHandler();
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return;
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}
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UINavigationController *nav = nil;
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if ([presenter isKindOfClass:UINavigationController.class]) {
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nav = (UINavigationController *)presenter;
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} else if (presenter.navigationController) {
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nav = presenter.navigationController;
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}
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if (nav) {
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[nav popViewControllerAnimated:NO];
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[nav dismissViewControllerAnimated:YES completion:^{ if (self.backHandler) self.backHandler(); }];
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} else {
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[self dismissViewControllerAnimated:YES completion:^{ if (self.backHandler) self.backHandler(); }];
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}
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}
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- (void)openSettings {
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NSURL *url = [NSURL URLWithString:UIApplicationOpenSettingsURLString];
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UIApplication *app = [UIApplication sharedApplication];
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if ([app canOpenURL:url]) {
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if (@available(iOS 10.0, *)) {
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[app openURL:url options:@{} completionHandler:nil];
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} else {
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[app openURL:url];
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}
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}
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}
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- (void)closeButtonAction{
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[self.navigationController popViewControllerAnimated:true];
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}
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#pragma mark - Video Player
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// 初始化并开始在 cardView 中循环播放视频
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- (void)kb_setupPermissionVideoPlayer {
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// 避免重复初始化
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if (self.kb_permPlayer) {
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[self.kb_permPlayer play];
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return;
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}
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NSURL *videoURL = [[NSBundle mainBundle] URLForResource:@"permiss_video" withExtension:@"mp4"];
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if (!videoURL) {
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return;
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}
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AVPlayerItem *item = [AVPlayerItem playerItemWithURL:videoURL];
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self.kb_permPlayer = [AVPlayer playerWithPlayerItem:item];
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self.kb_permPlayer.actionAtItemEnd = AVPlayerActionAtItemEndNone;
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self.kb_permPlayerLayer = [AVPlayerLayer playerLayerWithPlayer:self.kb_permPlayer];
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// 使用等比模式，按我们计算好的 frame 显示；多余部分由容器裁剪
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self.kb_permPlayerLayer.videoGravity = AVLayerVideoGravityResizeAspect;
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self.kb_permPlayerLayer.cornerRadius = 20;
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self.kb_permPlayerLayer.masksToBounds = true;
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// 将视频图层添加到裁剪容器内部，由容器控制圆角与裁剪
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[self.videoContainerView.layer addSublayer:self.kb_permPlayerLayer];
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// 监听 presentationSize 变化，尺寸从 {0,0} 变为真实值时触发布局
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[item addObserver:self
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forKeyPath:@"presentationSize"
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options:NSKeyValueObservingOptionNew
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context:KBPermPlayerPresentationSizeContext];
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// 播放结束后从头循环
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(kb_playerItemDidReachEnd:)
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name:AVPlayerItemDidPlayToEndTimeNotification
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object:item];
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[self.kb_permPlayer play];
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}
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- (void)kb_playerItemDidReachEnd:(NSNotification *)note {
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AVPlayerItem *item = (AVPlayerItem *)note.object;
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if (!item) return;
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__weak typeof(self) weakSelf = self;
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[item seekToTime:kCMTimeZero completionHandler:^(BOOL finished) {
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__strong typeof(weakSelf) strongSelf = weakSelf;
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[strongSelf.kb_permPlayer play];
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}];
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}
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- (void)observeValueForKeyPath:(NSString *)keyPath
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ofObject:(id)object
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change:(NSDictionary<NSKeyValueChangeKey,id> *)change
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context:(void *)context {
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if (context == KBPermPlayerPresentationSizeContext) {
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// presentationSize 从 {0,0} 变为真实尺寸时，触发布局更新
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dispatch_async(dispatch_get_main_queue(), ^{
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[self.view setNeedsLayout];
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});
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return;
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}
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[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
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}
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#pragma mark - Lazy Subviews
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- (UIButton *)backButton {
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if (!_backButton) {
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_backButton = [UIButton buttonWithType:UIButtonTypeSystem];
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[_backButton setTitle:KBLocalized(@"common_back") forState:UIControlStateNormal];
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_backButton.titleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightMedium];
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[_backButton setTitleColor:[UIColor darkTextColor] forState:UIControlStateNormal];
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[_backButton addTarget:self action:@selector(onBack) forControlEvents:UIControlEventTouchUpInside];
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}
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return _backButton;
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}
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- (UILabel *)titleLabel {
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if (!_titleLabel) {
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_titleLabel = [UILabel new];
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_titleLabel.text = (@"key of love keyboard");
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_titleLabel.font = [UIFont systemFontOfSize:20 weight:UIFontWeightSemibold];
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_titleLabel.textColor = [UIColor blackColor];
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_titleLabel.textAlignment = NSTextAlignmentCenter;
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}
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return _titleLabel;
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}
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- (UILabel *)tipsLabel {
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if (!_tipsLabel) {
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_tipsLabel = [UILabel new];
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_tipsLabel.text = (@"One-click to find a partner");
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_tipsLabel.font = [UIFont systemFontOfSize:14];
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_tipsLabel.textColor = [UIColor darkGrayColor];
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_tipsLabel.textAlignment = NSTextAlignmentCenter;
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}
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return _tipsLabel;
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}
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- (UIButton *)openButton {
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if (!_openButton) {
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_openButton = [UIButton buttonWithType:UIButtonTypeCustom];
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[_openButton setTitle:@"Turn on the keyboard" forState:UIControlStateNormal];
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_openButton.titleLabel.font = [UIFont systemFontOfSize:16 weight:UIFontWeightSemibold];
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[_openButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
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_openButton.backgroundColor = [UIColor colorWithHex:KBBlackValue];
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_openButton.layer.cornerRadius = 30;
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[_openButton addTarget:self action:@selector(openSettings) forControlEvents:UIControlEventTouchUpInside];
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}
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return _openButton;
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}
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- (UIButton *)closeButton {
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if (!_closeButton) {
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_closeButton = [UIButton buttonWithType:UIButtonTypeCustom];
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[_closeButton setImage:[UIImage imageNamed:@"close_icon"] forState:UIControlStateNormal];
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[_closeButton addTarget:self action:@selector(closeButtonAction) forControlEvents:UIControlEventTouchUpInside];
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}
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return _closeButton;
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}
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- (UILabel *)helpLabel {
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if (!_helpLabel) {
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_helpLabel = [UILabel new];
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_helpLabel.text = KBLocalized(@"perm_help");
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_helpLabel.font = [UIFont systemFontOfSize:12];
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_helpLabel.textColor = [UIColor grayColor];
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_helpLabel.textAlignment = NSTextAlignmentCenter;
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_helpLabel.numberOfLines = 2;
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}
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return _helpLabel;
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}
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- (UIImageView *)bgImageView{
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if (!_bgImageView) {
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_bgImageView = [[UIImageView alloc] init];
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_bgImageView.image = [UIImage imageNamed:@"qx_bg_icon"];
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}
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return _bgImageView;
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}
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- (UIImageView *)redImageView{
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if (!_redImageView) {
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_redImageView = [[UIImageView alloc] init];
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_redImageView.image = [UIImage imageNamed:@"qx_ax_icon"];
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}
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return _redImageView;
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}
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- (UIView *)videoContainerView {
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if (!_videoContainerView) {
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_videoContainerView = [UIView new];
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_videoContainerView.backgroundColor = [UIColor clearColor];
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_videoContainerView.layer.cornerRadius = 20.0;
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_videoContainerView.clipsToBounds = YES; // 超出容器高度的部分直接裁剪
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}
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return _videoContainerView;
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}
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@end
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