fix(common): 🐛 ios soft keybord hide tool box

2026-09-24 23:11:59 +08:00 · 2025-10-20 03:52:26 +08:00
parent c29201c012
commit c822deb689
2 changed files with 126 additions and 2 deletions
@@ -0,0 +1,119 @@
+#import <UIKit/UIKit.h>
+#import <objc/runtime.h>
+#import <dispatch/dispatch.h>
+
+// 参考方案：通过覆盖 WKContentView 的 inputAccessoryView 返回 nil，
+// 并清空 inputAssistantItem 的按钮组，以隐藏键盘顶部工具栏（Done/箭头）。
+
+@interface _NoInputAccessoryView : NSObject
+@end
+@implementation _NoInputAccessoryView
+- (id)inputAccessoryView {
+    return nil;
+}
+@end
+
+static BOOL HulaPatchTargetView(UIView *targetView) {
+    if (!targetView) { return NO; }
+
+    // 清空输入助手按钮组，防止出现默认工具栏按钮
+    if ([targetView respondsToSelector:@selector(inputAssistantItem)]) {
+        UITextInputAssistantItem *inputAssistantItem = [targetView inputAssistantItem];
+        inputAssistantItem.leadingBarButtonGroups = @[];
+        inputAssistantItem.trailingBarButtonGroups = @[];
+    }
+
+    // 为目标视图类创建一个子类，覆盖 inputAccessoryView 返回 nil
+    NSString *noInputAccessoryViewClassName = [NSString stringWithFormat:@"%@_NoInputAccessoryView", targetView.class];
+    Class newClass = NSClassFromString(noInputAccessoryViewClassName);
+    if (newClass == nil) {
+        newClass = objc_allocateClassPair(targetView.class, [noInputAccessoryViewClassName cStringUsingEncoding:NSASCIIStringEncoding], 0);
+        if(!newClass) {
+            return NO;
+        }
+        Method method = class_getInstanceMethod([_NoInputAccessoryView class], @selector(inputAccessoryView));
+        class_addMethod(newClass, @selector(inputAccessoryView), method_getImplementation(method), method_getTypeEncoding(method));
+        objc_registerClassPair(newClass);
+    }
+
+    // 替换当前对象的类为新类
+    object_setClass(targetView, newClass);
+    return YES;
+}
+
+static BOOL HulaIsWKContentView(UIView *view) {
+    if (!view) { return NO; }
+    // WKWebView 内容视图在不同 iOS 版本中名称可能为 WKContentView/WKScrollContentView 等
+    NSString *className = NSStringFromClass(view.class);
+    if ([className hasPrefix:@"WKContent"] || [className hasPrefix:@"WKScroll"] || [className isEqualToString:@"WKContentView"]) {
+        return YES;
+    }
+    return NO;
+}
+
+static BOOL HulaPatchViewHierarchy(UIView *view) {
+    if (!view) { return NO; }
+    BOOL patched = NO;
+
+    if (HulaIsWKContentView(view)) {
+        patched = HulaPatchTargetView(view) || patched;
+    }
+
+    // 继续递归子视图
+    for (UIView *sub in view.subviews) {
+        patched = HulaPatchViewHierarchy(sub) || patched;
+    }
+
+    return patched;
+}
+
+static BOOL HulaPatchAllWindows(void) {
+    BOOL patched = NO;
+    if (@available(iOS 13.0, *)) {
+        NSSet<UIScene *> *connectedScenes = UIApplication.sharedApplication.connectedScenes;
+        for (UIScene *scene in connectedScenes) {
+            if (![scene isKindOfClass:[UIWindowScene class]]) { continue; }
+            UIWindowScene *windowScene = (UIWindowScene *)scene;
+            for (UIWindow *window in windowScene.windows) {
+                if (window.isHidden) { continue; }
+                patched = HulaPatchViewHierarchy(window) || patched;
+            }
+        }
+    } else {
+        for (UIWindow *window in UIApplication.sharedApplication.windows) {
+            if (window.isHidden) { continue; }
+            patched = HulaPatchViewHierarchy(window) || patched;
+        }
+    }
+    return patched;
+}
+
+static void HulaTryPatchRepeatedly(int attempt, int maxAttempts, NSTimeInterval interval) {
+    // 在主线程执行，防止与 UIKit 交互的线程问题
+    dispatch_async(dispatch_get_main_queue(), ^{
+        BOOL ok = HulaPatchAllWindows();
+        if (ok || attempt >= maxAttempts) {
+            // 成功或达到最大重试次数，停止
+            return;
+        }
+        // 继续下一次尝试
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(interval * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            HulaTryPatchRepeatedly(attempt + 1, maxAttempts, interval);
+        });
+    });
+}
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// 对外暴露的入口：启动后反复尝试为 WKWebView 内容视图打补丁
+void hula_disable_keyboard_accessory(void) {
+    // 最多尝试 100 次，每次间隔 0.1 秒（总计约 10 秒）。
+    // 一般在 WebView 创建后很快会被命中。
+    HulaTryPatchRepeatedly(0, 100, 0.1);
+}
+
+#ifdef __cplusplus
+}
+#endif
@@ -1,6 +1,11 @@
 #include "bindings/bindings.h"

+extern "C" void hula_disable_keyboard_accessory(void);
+
 int main(int argc, char * argv[]) {
-	ffi::start_app();
-	return 0;
+    // 提前启动 iOS 键盘工具栏隐藏补丁（会在主线程定时尝试）
+    hula_disable_keyboard_accessory();
+
+    ffi::start_app();
+    return 0;
 }