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This commit is contained in:
@@ -34,13 +34,25 @@ static inline __kindof UIWindow *KBActiveWindow(void) {
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+ (UIViewController *)kb_topMostViewController {
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UIWindow *window = KBActiveWindow();
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UIViewController *root = window.rootViewController;
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if (!root) return nil;
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UIViewController *top = root;
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while (top.presentedViewController) {
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top = top.presentedViewController;
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UIViewController *vc = window.rootViewController;
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if (!vc) return nil;
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// 展开容器控制器
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while (1) {
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if ([vc isKindOfClass:UINavigationController.class]) {
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vc = ((UINavigationController *)vc).visibleViewController ?: vc;
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continue;
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}
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if ([vc isKindOfClass:UITabBarController.class]) {
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vc = ((UITabBarController *)vc).selectedViewController ?: vc;
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continue;
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}
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if (vc.presentedViewController) {
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vc = vc.presentedViewController;
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continue;
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}
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break;
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}
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return top;
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return vc;
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}
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@end
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75
keyBoard/Class/Common/V/KBAlert.h
Normal file
75
keyBoard/Class/Common/V/KBAlert.h
Normal file
@@ -0,0 +1,75 @@
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//
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// KBAlert.h
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// keyBoard
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//
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// 系统 UIAlertController 的轻量封装:更易用、更健壮。
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// 特性:
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// - 任意线程调用;内部切回主线程
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// - 自动找到可展示的 VC(使用顶层 presented VC)
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// - Alert 队列:避免“正在展示时再次 present 失败”的崩溃/警告
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// - iPad ActionSheet 自动设置 popover 锚点(无需关心 sourceView)
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// - 常见场景一行调用:提示/确认/输入框/操作表
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// - 可选指定展示的 VC(如在 Extension 内)
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//
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#import <UIKit/UIKit.h>
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NS_ASSUME_NONNULL_BEGIN
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typedef void (^KBAlertBoolHandler)(BOOL ok);
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typedef void (^KBAlertIndexHandler)(NSInteger index);
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typedef void (^KBAlertTextHandler)(NSString * _Nullable text, BOOL ok);
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@interface KBAlert : NSObject
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/// 指定一个缺省的“用于 present 的 VC”。
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/// - 适用:App Extension 或自管理容器场景;App 内一般无需设置。
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/// - 注意:弱引用;随时可被释放。
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+ (void)setDefaultPresenter:(nullable __kindof UIViewController *)presenter;
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#pragma mark - 简单提示(单按钮)
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/// 标准 OK 提示;按钮文案默认为“好”或“OK”。
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+ (void)showTitle:(nullable NSString *)title message:(nullable NSString *)message;
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/// 自定义按钮文案与回调。
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+ (void)showTitle:(nullable NSString *)title
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message:(nullable NSString *)message
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button:(nullable NSString *)button
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completion:(dispatch_block_t)completion;
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#pragma mark - 确认对话框(双按钮)
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/// 默认“取消/确定”按钮,回调 ok=YES 表示点击了确定。
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+ (void)confirmTitle:(nullable NSString *)title
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message:(nullable NSString *)message
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completion:(KBAlertBoolHandler)completion;
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/// 自定义按钮文案。
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+ (void)confirmTitle:(nullable NSString *)title
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message:(nullable NSString *)message
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ok:(nullable NSString *)okTitle
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cancel:(nullable NSString *)cancelTitle
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completion:(KBAlertBoolHandler)completion;
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#pragma mark - 输入框(单行)
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/// 带单个输入框;ok=YES 时返回输入内容。
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+ (void)promptTitle:(nullable NSString *)title
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message:(nullable NSString *)message
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placeholder:(nullable NSString *)placeholder
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ok:(nullable NSString *)okTitle
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cancel:(nullable NSString *)cancelTitle
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keyboardType:(UIKeyboardType)type
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configuration:(void (^ _Nullable)(UITextField *tf))config
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completion:(KBAlertTextHandler)completion;
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#pragma mark - 操作表(ActionSheet)
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/// 操作表;index 为点击项序号,按 actions 顺序从 0 开始;取消返回 -1。
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+ (void)actionSheetTitle:(nullable NSString *)title
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message:(nullable NSString *)message
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actions:(NSArray<NSString *> *)actions
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cancel:(nullable NSString *)cancelTitle
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destructiveIndex:(NSInteger)destructiveIndex // 传入 -1 表示无
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fromView:(nullable UIView *)anchorView // iPad 可指定锚点;传 nil 自动居中
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completion:(KBAlertIndexHandler)completion;
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@end
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NS_ASSUME_NONNULL_END
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224
keyBoard/Class/Common/V/KBAlert.m
Normal file
224
keyBoard/Class/Common/V/KBAlert.m
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@@ -0,0 +1,224 @@
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//
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// KBAlert.m
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// keyBoard
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//
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#import "KBAlert.h"
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#import <UIKit/UIKit.h>
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#import "UIViewController+Extension.h"
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@implementation KBAlert
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// 简单的串行展示队列,避免重复 present 引发的异常
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static NSMutableArray<dispatch_block_t> *sQueue;
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static BOOL sPresenting = NO;
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static __weak UIViewController *sDefaultPresenter = nil; // 可选外部指定的 presenter(弱引用)
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#pragma mark - Helpers
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+ (void)initialize {
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if (self == KBAlert.class) {
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sQueue = [NSMutableArray array];
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}
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}
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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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+ (UIViewController *)presentingVC {
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// 优先使用外部指定的 presenter;否则找顶层
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UIViewController *vc = sDefaultPresenter;
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if (!vc) {
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vc = [UIViewController kb_topMostViewController];
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}
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return vc;
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}
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+ (void)enqueuePresent:(dispatch_block_t)presenter {
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[self onMain:^{
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[sQueue addObject:[presenter copy]];
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if (!sPresenting) { [self _dequeueAndPresentNext]; }
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}];
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}
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+ (void)_dequeueAndPresentNext {
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if (sPresenting || sQueue.count == 0) { return; }
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sPresenting = YES;
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dispatch_block_t blk = sQueue.firstObject;
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[sQueue removeObjectAtIndex:0];
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blk();
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}
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// 在任意 action 执行后调用,标记结束并尝试继续队列
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+ (void)_markFinishedAndContinue {
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// 延迟到下一个 runloop 以确保系统完成 dismiss 流程
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dispatch_async(dispatch_get_main_queue(), ^{
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sPresenting = NO;
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[self _dequeueAndPresentNext];
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});
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}
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// iPad 的 ActionSheet 需要 popover 锚点;此处自动兜底
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+ (void)configurePopoverIfNeeded:(UIAlertController *)ac anchorView:(UIView *)anchorView inVC:(UIViewController *)vc {
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if (ac.preferredStyle != UIAlertControllerStyleActionSheet) { return; }
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UIPopoverPresentationController *pop = ac.popoverPresentationController;
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if (!pop) { return; }
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if (anchorView) {
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pop.sourceView = anchorView;
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pop.sourceRect = anchorView.bounds;
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} else if (vc.view) {
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pop.sourceView = vc.view;
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CGSize sz = vc.view.bounds.size;
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CGRect r = CGRectMake(MAX(0, sz.width * 0.5 - 1), MAX(0, sz.height * 0.5 - 1), 2, 2);
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pop.sourceRect = r; // 居中一个很小的矩形,视觉近似居中弹出
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pop.permittedArrowDirections = 0;
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}
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}
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#pragma mark - Public API
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+ (void)setDefaultPresenter:(UIViewController *)presenter { sDefaultPresenter = presenter; }
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+ (void)showTitle:(NSString *)title message:(NSString *)message {
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[self showTitle:title message:message button:nil completion:nil];
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}
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+ (void)showTitle:(NSString *)title
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message:(NSString *)message
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button:(NSString *)button
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completion:(dispatch_block_t)completion {
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[self enqueuePresent:^{
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UIViewController *vc = [self presentingVC];
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if (!vc) { // 无法获取 presenter,直接结束队列
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[self _markFinishedAndContinue];
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return;
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}
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NSString *ok = button ?: (NSLocalizedString(@"OK", nil).length ? NSLocalizedString(@"OK", nil) : @"好");
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UIAlertController *ac = [UIAlertController alertControllerWithTitle:(title ?: @"")
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message:(message ?: @"")
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preferredStyle:UIAlertControllerStyleAlert];
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__weak UIAlertController *wac = ac;
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UIAlertAction *okAct = [UIAlertAction actionWithTitle:ok style:UIAlertActionStyleDefault handler:^(__unused UIAlertAction * _Nonnull action) {
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if (completion) { completion(); }
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// 防止异常:确保 alert 被关闭
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[wac dismissViewControllerAnimated:YES completion:nil];
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[KBAlert _markFinishedAndContinue];
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}];
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[ac addAction:okAct];
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[vc presentViewController:ac animated:YES completion:nil];
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}];
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}
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+ (void)confirmTitle:(NSString *)title message:(NSString *)message completion:(KBAlertBoolHandler)completion {
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[self confirmTitle:title message:message ok:nil cancel:nil completion:completion];
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}
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+ (void)confirmTitle:(NSString *)title
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message:(NSString *)message
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ok:(NSString *)okTitle
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cancel:(NSString *)cancelTitle
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completion:(KBAlertBoolHandler)completion {
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[self enqueuePresent:^{
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UIViewController *vc = [self presentingVC];
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if (!vc) { [self _markFinishedAndContinue]; return; }
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NSString *ok = okTitle ?: @"确定";
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NSString *cancel = cancelTitle ?: @"取消";
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UIAlertController *ac = [UIAlertController alertControllerWithTitle:(title ?: @"")
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message:(message ?: @"")
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preferredStyle:UIAlertControllerStyleAlert];
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__weak UIAlertController *wac = ac;
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UIAlertAction *cancelAct = [UIAlertAction actionWithTitle:cancel style:UIAlertActionStyleCancel handler:^(__unused UIAlertAction * _Nonnull a) {
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if (completion) { completion(NO); }
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[wac dismissViewControllerAnimated:YES completion:nil];
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[KBAlert _markFinishedAndContinue];
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}];
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UIAlertAction *okAct = [UIAlertAction actionWithTitle:ok style:UIAlertActionStyleDefault handler:^(__unused UIAlertAction * _Nonnull a) {
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if (completion) { completion(YES); }
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[wac dismissViewControllerAnimated:YES completion:nil];
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[KBAlert _markFinishedAndContinue];
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}];
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[ac addAction:cancelAct];
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[ac addAction:okAct];
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[vc presentViewController:ac animated:YES completion:nil];
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}];
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}
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+ (void)promptTitle:(NSString *)title
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message:(NSString *)message
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placeholder:(NSString *)placeholder
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ok:(NSString *)okTitle
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cancel:(NSString *)cancelTitle
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keyboardType:(UIKeyboardType)type
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configuration:(void (^)(UITextField * _Nonnull))config
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completion:(KBAlertTextHandler)completion {
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[self enqueuePresent:^{
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UIViewController *vc = [self presentingVC];
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if (!vc) { [self _markFinishedAndContinue]; return; }
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NSString *ok = okTitle ?: @"确定";
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NSString *cancel = cancelTitle ?: @"取消";
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UIAlertController *ac = [UIAlertController alertControllerWithTitle:(title ?: @"")
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message:(message ?: @"")
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preferredStyle:UIAlertControllerStyleAlert];
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__weak UIAlertController *wac = ac;
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[ac addTextFieldWithConfigurationHandler:^(UITextField * _Nonnull tf) {
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tf.placeholder = placeholder;
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tf.keyboardType = type;
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if (config) { config(tf); }
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}];
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UIAlertAction *cancelAct = [UIAlertAction actionWithTitle:cancel style:UIAlertActionStyleCancel handler:^(__unused UIAlertAction * _Nonnull a) {
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if (completion) { completion(nil, NO); }
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[wac dismissViewControllerAnimated:YES completion:nil];
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[KBAlert _markFinishedAndContinue];
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}];
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UIAlertAction *okAct = [UIAlertAction actionWithTitle:ok style:UIAlertActionStyleDefault handler:^(__unused UIAlertAction * _Nonnull a) {
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NSString *text = wac.textFields.firstObject.text;
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if (completion) { completion(text, YES); }
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[wac dismissViewControllerAnimated:YES completion:nil];
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[KBAlert _markFinishedAndContinue];
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}];
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[ac addAction:cancelAct];
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[ac addAction:okAct];
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[vc presentViewController:ac animated:YES completion:nil];
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}];
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}
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+ (void)actionSheetTitle:(NSString *)title
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message:(NSString *)message
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actions:(NSArray<NSString *> *)actions
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cancel:(NSString *)cancelTitle
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destructiveIndex:(NSInteger)destructiveIndex
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fromView:(UIView *)anchorView
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completion:(KBAlertIndexHandler)completion {
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[self enqueuePresent:^{
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UIViewController *vc = [self presentingVC];
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if (!vc) { [self _markFinishedAndContinue]; return; }
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UIAlertController *ac = [UIAlertController alertControllerWithTitle:(title ?: @"")
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message:(message ?: @"")
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preferredStyle:UIAlertControllerStyleActionSheet];
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__weak UIAlertController *wac = ac;
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[actions enumerateObjectsUsingBlock:^(NSString * _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
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UIAlertActionStyle style = (destructiveIndex >= 0 && (NSInteger)idx == destructiveIndex) ? UIAlertActionStyleDestructive : UIAlertActionStyleDefault;
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UIAlertAction *act = [UIAlertAction actionWithTitle:obj ?: @"" style:style handler:^(__unused UIAlertAction * _Nonnull a) {
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if (completion) { completion((NSInteger)idx); }
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[wac dismissViewControllerAnimated:YES completion:nil];
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[KBAlert _markFinishedAndContinue];
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}];
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[ac addAction:act];
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}];
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if (cancelTitle.length) {
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UIAlertAction *cancel = [UIAlertAction actionWithTitle:cancelTitle style:UIAlertActionStyleCancel handler:^(__unused UIAlertAction * _Nonnull a) {
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if (completion) { completion(-1); }
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[wac dismissViewControllerAnimated:YES completion:nil];
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[KBAlert _markFinishedAndContinue];
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}];
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[ac addAction:cancel];
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}
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[self configurePopoverIfNeeded:ac anchorView:anchorView inVC:vc];
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[vc presentViewController:ac animated:YES completion:nil];
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}];
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}
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@end
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@@ -75,7 +75,7 @@
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desc:d[@"desc"]
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people:d[@"people"]
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added:added];
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__weak typeof(self) weakSelf = self;
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KBWeakSelf
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cell.onTapAction = ^{
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// 切换添加/已添加状态并刷新该项
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NSMutableArray *m = [weakSelf.dataSource mutableCopy];
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@@ -132,7 +132,7 @@
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- (void)onContinue {
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LoginViewController *login = [LoginViewController new];
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__weak typeof(self) weakSelf = self;
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KBWeakSelf
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login.onLoginSuccess = ^(NSDictionary * _Nonnull userInfo) {
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__strong typeof(weakSelf) self = weakSelf; if (!self) return;
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[self dismissViewControllerAnimated:YES completion:^{
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@@ -114,7 +114,7 @@
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}
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- (void)handleAppleIDButtonPress API_AVAILABLE(ios(13.0)) {
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__weak typeof(self) weakSelf = self;
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KBWeakSelf
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[[AppleSignInManager shared] signInFromViewController:self completion:^(ASAuthorizationAppleIDCredential * _Nullable credential, NSError * _Nullable error) {
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__strong typeof(weakSelf) selfStrong = weakSelf;
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if (error) {
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@@ -182,7 +182,7 @@ typedef NS_ENUM(NSInteger, KBSkinDetailSection) {
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_bottomBar = [[KBSkinBottomActionView alloc] init];
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// 中文注释:配置文案与图标,可根据业务传入金币图/价格
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[_bottomBar configWithTitle:@"Download" price:@"20" icon:nil];
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__weak typeof(self) weakSelf = self;
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KBWeakSelf
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_bottomBar.tapHandler = ^{
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// 示例:点击下载/购买
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// [KBHUD showText:@"点击了下载"];
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@@ -55,7 +55,7 @@ static NSString * const kMySkinCellId = @"kMySkinCellId";
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}];
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// 空态视图(LYEmptyView)统一样式 + 重试按钮
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__weak typeof(self) weakSelf = self;
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KBWeakSelf
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[self.collectionView kb_makeDefaultEmptyViewWithImage:nil
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title:@"暂无皮肤"
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detail:@"下拉刷新试试"
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@@ -152,7 +152,7 @@ static NSString * const kResultCellId = @"KBSkinCardCell";
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if (!_searchBarView) {
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_searchBarView = [[KBSearchBarView alloc] init];
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_searchBarView.placeholder = @"Themes";
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__weak typeof(self) weakSelf = self;
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KBWeakSelf
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_searchBarView.onSearch = ^(NSString * _Nonnull keyword) {
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[weakSelf performSearch:keyword];
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};
|
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@@ -285,7 +285,7 @@ typedef NS_ENUM(NSInteger, KBSearchSection) {
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if (indexPath.section == KBSearchSectionHistory) {
|
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// 当没有历史时,外部通过 sizeForHeader 返回 0,这里仍设置但不会显示
|
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[header configWithTitle:@"Historical Search" showTrash:self.historyWords.count > 0];
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__weak typeof(self) weakSelf = self;
|
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KBWeakSelf
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header.onTapTrash = ^{ [weakSelf clearHistory]; };
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} else {
|
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[header configWithTitle:@"Recommended Skin" showTrash:NO];
|
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@@ -363,7 +363,7 @@ typedef NS_ENUM(NSInteger, KBSearchSection) {
|
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if (!_searchBarView) {
|
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_searchBarView = [[KBSearchBarView alloc] init];
|
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_searchBarView.placeholder = @"Themes";
|
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__weak typeof(self) weakSelf = self;
|
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KBWeakSelf
|
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_searchBarView.onSearch = ^(NSString * _Nonnull keyword) {
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||||
// 置顶到历史 + 打开结果页
|
||||
[weakSelf performSearch:keyword];
|
||||
|
||||
@@ -27,7 +27,7 @@
|
||||
}];
|
||||
|
||||
// 刷新组件(演示:2 秒后结束)
|
||||
__weak typeof(self) weakSelf = self;
|
||||
KBWeakSelf
|
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if (self.isNeedHeader) {
|
||||
self.collectionView.mj_header = [MJRefreshNormalHeader headerWithRefreshingBlock:^{
|
||||
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(2 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
|
||||
|
||||
@@ -21,6 +21,7 @@
|
||||
/// 系统
|
||||
#import <UIKit/UIKit.h>
|
||||
#import "KBHUD.h"
|
||||
#import "KBAlert.h"
|
||||
#import "KBNetworkManager.h"
|
||||
|
||||
|
||||
|
||||
Reference in New Issue
Block a user