优化键盘弹出宽度

优化键盘按钮视觉效果

CustomKeyboard/View/KBKeyboardView.m

@@ -620,7 +620,8 @@ edgeSpacerMultiplier:(CGFloat)edgeSpacerMultiplier {
 
     // 计算预览视图位置：在按钮上方稍微偏上
     CGRect btnFrameInSelf = [button convertRect:button.bounds toView:self];
-    CGFloat previewWidth  = MAX(CGRectGetWidth(btnFrameInSelf) * 1.4, 42.0);
+//    CGFloat previewWidth  = MAX(CGRectGetWidth(btnFrameInSelf) * 1.4, 42.0);
+    CGFloat previewWidth = 42;
     CGFloat previewHeight = CGRectGetHeight(btnFrameInSelf) * 1.2;
     CGFloat centerX = CGRectGetMidX(btnFrameInSelf);
     CGFloat centerY = CGRectGetMinY(btnFrameInSelf) - previewHeight * 0.6;