IOS 防截屏实现

.h文件

objectivec 复制代码
#import <UIKit/UIKit.h>

NS_ASSUME_NONNULL_BEGIN

@interface HSNoScreenShotView : UIView

@end

NS_ASSUME_NONNULL_END

.m文件

objectivec 复制代码
#import "HSNoScreenShotView.h"

@interface HSNoScreenShotView ()

@property (nonatomic,strong) UITextField *textField;
@property (nonatomic,strong) UIView *clearView;

@end

@implementation HSNoScreenShotView

- (void)dealloc {
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (instancetype)init {
    self = [super init];
    if (self) {
        [self setupUI];
    }
    return self;
}

- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        [self setupUI];
    }
    return self;
}

- (instancetype)initWithCoder:(NSCoder *)coder {
    self = [super initWithCoder:coder];
    if (self) {
        [self setupUI];
    }
    return self;
}

- (void)layoutSubviews {
    [super layoutSubviews];
    self.textField.frame = self.bounds;
    self.clearView.frame = self.bounds;

    if (self.textField.superview != self) {
        [self addSubview:self.textField];
    }
}

- (void)setupUI {
    [self addSubview:self.textField];
    self.textField.subviews.firstObject.userInteractionEnabled = YES;
    [self.textField.subviews.firstObject addSubview:self.clearView];
    [[NSNotificationCenter defaultCenter] removeObserver:self];
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
}


- (void)keyboardWillShow:(NSNotification *)noti {
    if (self.textField.isFirstResponder) {
        [self.textField resignFirstResponder];
        self.textField.subviews.firstObject.userInteractionEnabled = YES;
    }
}

- (void)addSubview:(UIView *)view {
    [super addSubview:view];
    if (self.textField != view) {
        [self.clearView addSubview:view];
    }
}

- (UITextField *)textField {
    if (!_textField) {
        _textField = [[UITextField alloc] init];
        _textField.secureTextEntry = YES;
    }
    return _textField;
}

- (UIView *)clearView {
    if (!_clearView) {
        _clearView = [[UIView alloc] init];
        _clearView.backgroundColor = [UIColor clearColor];
    }
    return _clearView;
}

@end

使用逻辑,在你项目实现上面的防截图视图。将你不想被截图的视图添加为HSNoScreenShotView的子视图就行。

相关推荐
问道飞鱼1 小时前
【移动端知识】移动端多 WebView 互访方案:Android、iOS 与鸿蒙实现
android·ios·harmonyos·多webview互访
mascon2 小时前
U3D打包IOS的自我总结
ios
名字不要太长 像我这样就好2 小时前
【iOS】继承链
macos·ios·cocoa
karshey3 小时前
【IOS webview】IOS13不支持svelte 样式嵌套
ios
潜龙95273 小时前
第4.3节 iOS App生成追溯关系
macos·ios·cocoa
游戏开发爱好者812 小时前
iOS App 电池消耗管理与优化 提升用户体验的完整指南
android·ios·小程序·https·uni-app·iphone·webview
神策技术社区19 小时前
iOS 全埋点点击事件采集白皮书
大数据·ios·app
wuyoula20 小时前
iOS V2签名网站系统源码/IPA在线签名/全开源版本/亲测
ios
2501_9159184120 小时前
iOS 性能监控工具全解析 选择合适的调试方案提升 App 性能
android·ios·小程序·https·uni-app·iphone·webview
fishycx20 小时前
iOS 构建配置与 AdHoc 打包说明
ios