2

keyBoard/VC/KBPermissionViewController.m

@@ -6,11 +6,11 @@
 //
 
 #import "KBPermissionViewController.h"
+#import <AVFoundation/AVFoundation.h>
 
 @interface KBPermissionViewController ()
 @property (nonatomic, strong) UILabel *titleLabel;    // 标题
 @property (nonatomic, strong) UILabel *tipsLabel;     // 步骤提示
-@property (nonatomic, strong) UIView *cardView;       // 中部卡片
 @property (nonatomic, strong) UIButton *openButton;   // 去设置
 @property (nonatomic, strong) UIButton *closeButton;   // 去设置
 
@@ -19,6 +19,10 @@
 
 @property (nonatomic, strong) UIImageView *bgImageView;
 
+// 权限引导视频播放器（循环播放，不提供暂停交互）
+@property (nonatomic, strong) AVPlayer *kb_permPlayer;
+@property (nonatomic, strong) AVPlayerLayer *kb_permPlayerLayer;
+
 @end
 
 @implementation KBPermissionViewController
@@ -32,7 +36,7 @@
     [self.view addSubview:self.closeButton];
     [self.view addSubview:self.titleLabel];
     [self.view addSubview:self.tipsLabel];
-    [self.view addSubview:self.cardView];
+//    [self.view addSubview:self.videoContainerView];
     [self.view addSubview:self.openButton];
     [self.view addSubview:self.helpLabel];
 
@@ -66,11 +70,13 @@
         make.left.equalTo(self.titleLabel);
     }];
 
-    [self.cardView mas_makeConstraints:^(MASConstraintMaker *make) {
-        make.bottom.equalTo(self.openButton.mas_top).offset(-36);
-        make.left.right.equalTo(self.view).inset(56);
-        make.top.equalTo(self.tipsLabel.mas_bottom).offset(36);
-    }];
+    // 视频容器：左右距离 view 16，顶部距离 tipsLabel 30，底部距离按钮 36
+//    [self.videoContainerView mas_makeConstraints:^(MASConstraintMaker *make) {
+//        make.top.equalTo(self.tipsLabel.mas_bottom).offset(30);
+//        make.left.equalTo(self.view).offset(16);
+//        make.right.equalTo(self.view).offset(-16);
+//        make.bottom.equalTo(self.openButton.mas_top).offset(-36);
+//    }];
 
     [self.openButton mas_makeConstraints:^(MASConstraintMaker *make) {
         make.bottom.equalTo(self.view).offset(-KB_SAFE_BOTTOM-20);
@@ -86,6 +92,30 @@
 //    }];
 }
 
+- (void)viewWillAppear:(BOOL)animated {
+    [super viewWillAppear:animated];
+    // 进入页面时自动开始播放
+    [self kb_setupPermissionVideoPlayer];
+}
+
+- (void)viewDidDisappear:(BOOL)animated {
+    [super viewDidDisappear:animated];
+    // 页面离开时停止播放，避免声音继续在其他界面播放
+    [self.kb_permPlayer pause];
+}
+
+- (void)viewDidLayoutSubviews {
+    [super viewDidLayoutSubviews];
+    if (!self.kb_permPlayerLayer) { return; }
+    // 直接铺满整个视图区域，由 videoGravity 负责等比缩放
+    self.kb_permPlayerLayer.frame = CGRectMake(25, CGRectGetMaxY(self.tipsLabel.frame) + 32, KB_SCREEN_WIDTH - 50, 700);
+}
+
+- (void)dealloc {
+    // 移除通知监听
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
 #pragma mark - Actions
 
 - (void)onBack {
@@ -129,6 +159,55 @@
     [self.navigationController popViewControllerAnimated:true];
 }
 
+#pragma mark - Video Player
+
+// 初始化并开始在 cardView 中循环播放视频
+- (void)kb_setupPermissionVideoPlayer {
+    // 避免重复初始化
+    if (self.kb_permPlayer) {
+        [self.kb_permPlayer play];
+        return;
+    }
+
+    NSURL *videoURL = [[NSBundle mainBundle] URLForResource:@"permiss_video" withExtension:@"mp4"];
+    if (!videoURL) {
+        return;
+    }
+
+    AVPlayerItem *item = [AVPlayerItem playerItemWithURL:videoURL];
+    self.kb_permPlayer = [AVPlayer playerWithPlayerItem:item];
+    self.kb_permPlayer.actionAtItemEnd = AVPlayerActionAtItemEndNone;
+
+    self.kb_permPlayerLayer = [AVPlayerLayer playerLayerWithPlayer:self.kb_permPlayer];
+    // 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
+    self.kb_permPlayerLayer.videoGravity = AVLayerVideoGravityResize;
+    self.kb_permPlayerLayer.cornerRadius = 20;
+    self.kb_permPlayerLayer.masksToBounds = true;
+
+    // 将视频图层插在按钮下面，保证按钮显示在视频之上
+    CALayer *buttonLayer = self.openButton.layer;
+    [self.view.layer insertSublayer:self.kb_permPlayerLayer below:buttonLayer];
+
+    // 播放结束后从头循环
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(kb_playerItemDidReachEnd:)
+                                                 name:AVPlayerItemDidPlayToEndTimeNotification
+                                               object:item];
+
+    [self.kb_permPlayer play];
+}
+
+- (void)kb_playerItemDidReachEnd:(NSNotification *)note {
+    AVPlayerItem *item = (AVPlayerItem *)note.object;
+    if (!item) return;
+
+    __weak typeof(self) weakSelf = self;
+    [item seekToTime:kCMTimeZero completionHandler:^(BOOL finished) {
+        __strong typeof(weakSelf) strongSelf = weakSelf;
+        [strongSelf.kb_permPlayer play];
+    }];
+}
+
 #pragma mark - Lazy Subviews
 
 - (UIButton *)backButton {
@@ -164,17 +243,6 @@
     return _tipsLabel;
 }
 
-- (UIView *)cardView {
-    if (!_cardView) {
-        _cardView = [UIView new];
-        _cardView.backgroundColor = [UIColor whiteColor];
-        _cardView.layer.cornerRadius = 16;
-        _cardView.layer.shadowColor = [UIColor colorWithWhite:0 alpha:0.1].CGColor;
-        _cardView.layer.shadowOpacity = 1;
-        _cardView.layer.shadowRadius = 12;
-    }
-    return _cardView;
-}
 
 - (UIButton *)openButton {
     if (!_openButton) {