测试假数据

CustomKeyboard/View/KBStreamTextView.m

@@ -8,6 +8,7 @@
 //
 
 #import "KBStreamTextView.h"
+#import "KBResponderUtils.h" // 通过响应链找到 UIInputViewController，并将文本输出到宿主
 
 @interface KBStreamTextView ()
 
@@ -170,7 +171,7 @@
     label.textColor = self.labelTextColor;
     label.userInteractionEnabled = YES;
     label.text = @"";
-
+    label.backgroundColor = [UIColor redColor];
     UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleLabelTap:)];
     [label addGestureRecognizer:tap];
 
@@ -256,8 +257,19 @@
     UILabel *label = (UILabel *)tap.view;
     if (![label isKindOfClass:[UILabel class]]) { return; }
     NSInteger index = [self.labels indexOfObject:label];
+    NSString *text = label.text ?: @"";
     if (index != NSNotFound && self.onLabelTap) {
-        self.onLabelTap(index, label.text ?: @"");
+        self.onLabelTap(index, text);
+    }
+
+    // 将文本发送到当前宿主应用的输入框（搜索框/TextView 等）
+    // 注：键盘扩展无需“完全访问”也可 insertText:
+    UIInputViewController *ivc = KBFindInputViewController(self);
+    if (ivc) {
+        id<UITextDocumentProxy> proxy = ivc.textDocumentProxy;
+        if (text.length > 0 && [proxy conformsToProtocol:@protocol(UITextDocumentProxy)]) {
+            [proxy insertText:text];
+        }
     }
 }