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keyBoard/Class/Common/V/KBHUD.m
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200
keyBoard/Class/Common/V/KBHUD.m
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//
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// KBHUD.m
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// keyBoard
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//
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#import "KBHUD.h"
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#import <MBProgressHUD/MBProgressHUD.h>
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#import <UIKit/UIKit.h>
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#ifndef KBSCREEN
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#define KBSCREEN [UIScreen mainScreen].bounds.size
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#endif
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@implementation KBHUD
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static __weak MBProgressHUD *sHUD = nil;
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static KBHUDMaskType sMaskType = KBHUDMaskTypeClear; // 全局默认遮罩
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static BOOL sDefaultTapToDismiss = NO; // 全局默认：不允许点击关闭
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static NSTimeInterval sAutoDismiss = 1.2;
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static __weak UIView *sContainerView = nil; // 缺省承载视图（扩展里必须设置）
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#pragma mark - Private Helpers
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+ (void)onMain:(dispatch_block_t)blk {
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if (NSThread.isMainThread) { blk(); } else { dispatch_async(dispatch_get_main_queue(), blk); }
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}
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+ (MBProgressHUD *)ensureHUDWithMask:(KBHUDMaskType)mask tap:(BOOL)tap {
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// 先尝试使用外部指定的容器视图（扩展环境推荐）
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UIView *hostView = sContainerView;
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#ifndef KB_APP_EXTENSION
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// App 内退回到 KeyWindow
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if (!hostView) {
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// KB_KeyWindow 在 App 目标的 PrefixHeader 中定义；在扩展内不依赖它
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UIWindow *win = nil;
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// 避免强依赖某个前缀：这里以运行时方式访问 UIApplication 以规避编译期的 App Extension 限制
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Class uiAppClass = NSClassFromString(@"UIApplication");
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if (uiAppClass && [uiAppClass respondsToSelector:@selector(sharedApplication)]) {
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
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id app = [uiAppClass performSelector:@selector(sharedApplication)];
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if ([app respondsToSelector:@selector(keyWindow)]) {
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win = [app keyWindow];
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}
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if (!win && [app respondsToSelector:@selector(windows)]) {
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NSArray *wins = [app windows];
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win = wins.firstObject;
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}
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#pragma clang diagnostic pop
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}
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hostView = win;
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}
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#endif
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if (!hostView) { return nil; }
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MBProgressHUD *hud = sHUD;
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if (!hud) {
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hud = [MBProgressHUD showHUDAddedTo:hostView animated:YES];
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sHUD = hud;
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// 外观：深色圆角，白色文字，模仿 SVProgressHUD 默认
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hud.removeFromSuperViewOnHide = YES;
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hud.bezelView.style = MBProgressHUDBackgroundStyleSolidColor;
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hud.bezelView.layer.cornerRadius = 12.0;
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hud.bezelView.color = [UIColor colorWithWhite:0 alpha:0.8];
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hud.contentColor = UIColor.whiteColor;
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hud.margin = 16;
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hud.label.numberOfLines = 0;
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hud.detailsLabel.numberOfLines = 0;
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}
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// 遮罩与交互（按本次 show 的入参应用）
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[self applyMaskType:mask hud:hud];
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[self applyTapToDismiss:tap hud:hud];
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return hud;
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}
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+ (void)applyMaskType:(KBHUDMaskType)type hud:(MBProgressHUD *)hud {
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switch (type) {
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case KBHUDMaskTypeNone: {
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hud.userInteractionEnabled = NO; // 不拦截触摸
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hud.backgroundView.style = MBProgressHUDBackgroundStyleSolidColor;
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hud.backgroundView.color = UIColor.clearColor;
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} break;
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case KBHUDMaskTypeClear: {
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hud.userInteractionEnabled = YES; // 拦截触摸但不变暗
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hud.backgroundView.style = MBProgressHUDBackgroundStyleSolidColor;
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hud.backgroundView.color = [UIColor colorWithWhite:0 alpha:0.01];
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} break;
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case KBHUDMaskTypeBlack: {
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hud.userInteractionEnabled = YES; // 变暗并拦截
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hud.backgroundView.style = MBProgressHUDBackgroundStyleSolidColor;
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hud.backgroundView.color = [UIColor colorWithWhite:0 alpha:0.35];
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} break;
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}
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}
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+ (void)applyTapToDismiss:(BOOL)enabled hud:(MBProgressHUD *)hud {
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UIView *bg = hud.backgroundView;
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// 清理旧手势
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for (UIGestureRecognizer *g in bg.gestureRecognizers.copy) {
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if ([g isKindOfClass:UITapGestureRecognizer.class] && g.view == bg) {
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[bg removeGestureRecognizer:g];
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}
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}
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if (enabled) {
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UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(_kb_handleTap)];
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[bg addGestureRecognizer:tap];
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// 确保可拦截
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hud.userInteractionEnabled = YES;
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if (hud.backgroundView.color == UIColor.clearColor) {
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hud.backgroundView.color = [UIColor colorWithWhite:0 alpha:0.01];
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}
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}
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}
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+ (void)_kb_handleTap {
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[self dismiss];
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}
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+ (void)_showText:(NSString *)text icon:(nullable UIImage *)icon {
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[self onMain:^{
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MBProgressHUD *hud = [self ensureHUDWithMask:sMaskType tap:sDefaultTapToDismiss];
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if (!hud) { return; }
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hud.mode = icon ? MBProgressHUDModeCustomView : MBProgressHUDModeText;
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hud.label.text = text ?: @"";
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hud.detailsLabel.text = nil;
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if (icon) {
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UIImageView *iv = [[UIImageView alloc] initWithImage:icon];
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hud.customView = iv;
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} else {
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hud.customView = nil;
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}
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[hud hideAnimated:YES afterDelay:sAutoDismiss];
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}];
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}
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#pragma mark - Public API
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+ (void)show { [self showWithStatus:nil]; }
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+ (void)showWithStatus:(NSString *)status { [self showWithStatus:status allowTapToDismiss:NO]; }
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+ (void)showWithStatus:(NSString *)status allowTapToDismiss:(BOOL)allow {
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[self onMain:^{
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MBProgressHUD *hud = [self ensureHUDWithMask:sMaskType tap:allow];
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if (!hud) { return; }
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hud.mode = MBProgressHUDModeIndeterminate;
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hud.label.text = status ?: @"";
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}];
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}
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+ (void)showProgress:(float)progress status:(NSString *)status {
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[self showProgress:progress status:status allowTapToDismiss:NO];
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}
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+ (void)showProgress:(float)progress status:(NSString *)status allowTapToDismiss:(BOOL)allow {
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[self onMain:^{
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MBProgressHUD *hud = [self ensureHUDWithMask:sMaskType tap:allow];
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if (!hud) { return; }
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hud.mode = MBProgressHUDModeDeterminate;
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hud.progress = progress;
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hud.label.text = status ?: @"";
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}];
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}
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+ (void)showInfo:(NSString *)status {
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[self _showText:status icon:nil];
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}
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+ (void)showSuccess:(NSString *)status {
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// 简单起见，使用文字模式；如需图标，可替换为自定义勾勾图片
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[self _showText:status ?: @"成功" icon:nil];
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}
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+ (void)showError:(NSString *)status { [self _showText:status ?: @"失败" icon:nil]; }
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+ (void)dismiss { [self onMain:^{ [sHUD hideAnimated:YES]; }]; }
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+ (void)dismissWithDelay:(NSTimeInterval)delay { [self onMain:^{ [sHUD hideAnimated:YES afterDelay:delay]; }]; }
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#pragma mark - Config
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+ (void)setDefaultMaskType:(KBHUDMaskType)maskType { sMaskType = maskType; }
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+ (void)setTapToDismissEnabled:(BOOL)enabled {
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// 仅针对当前可见 HUD 生效，不修改默认值，满足“B 允许点击，A 默认不允许”的诉求
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[self onMain:^{
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if (sHUD) { [self applyTapToDismiss:enabled hud:sHUD]; }
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}];
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}
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+ (void)setAutoDismissInterval:(NSTimeInterval)interval { sAutoDismiss = MAX(0.2, interval); }
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+ (void)showAllowTapToDismiss:(BOOL)allow {
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[self showWithStatus:nil allowTapToDismiss:allow];
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}
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+ (void)setContainerView:(UIView *)view {
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sContainerView = view;
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}
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@end
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