1

CustomKeyboard/KeyboardViewController.m

@@ -89,10 +89,10 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
     
     CGFloat keyboardHeight = KEYBOARDHEIGHT; // 250
     CGFloat screenWidth = [UIScreen mainScreen].bounds.size.width;
-    
+
     NSLayoutConstraint *h = [self.view.heightAnchor constraintEqualToConstant:keyboardHeight];
     NSLayoutConstraint *w = [self.view.widthAnchor  constraintEqualToConstant:screenWidth];
-    
+
     h.priority = UILayoutPriorityRequired;
     w.priority = UILayoutPriorityRequired;
     [NSLayoutConstraint activateConstraints:@[h, w]];

CustomKeyboard/View/KBKeyboardView.m

@@ -500,11 +500,15 @@ edgeSpacerMultiplier:(CGFloat)edgeSpacerMultiplier {
             }];
         }
 
-        // 如果有左右占位，则把占位宽度设置为字符键宽度的一定倍数，以实现整体居中
+        // 如果有左右占位，则把占位宽度设置为字符键宽度的一定倍数，以实现整体居中；
+        // 同时强约束左右占位宽度相等，避免在某些系统上由于布局冲突导致只压缩一侧，
+        // 出现“左侧有空隙，右侧无空隙”的情况。
         if (leftSpacer && rightSpacer) {
+            // 1) 左右占位宽度必须相等
             [leftSpacer mas_makeConstraints:^(MASConstraintMaker *make) {
-                make.width.equalTo(firstChar).multipliedBy(edgeSpacerMultiplier);
+                make.width.equalTo(rightSpacer);
             }];
+            // 2) 同时都接近字符键宽度的 edgeSpacerMultiplier 倍数
             [rightSpacer mas_makeConstraints:^(MASConstraintMaker *make) {
                 make.width.equalTo(firstChar).multipliedBy(edgeSpacerMultiplier);
             }];

keyBoard/AppDelegate.m

@@ -276,6 +276,18 @@
 #pragma mark - Network check & alert
 
 - (void)kb_checkNetworkAndShowAlertIfNeeded {
+    // 首次安装且尚未完成首页引导时，不弹“无网络”提示，避免在系统蜂窝数据权限弹窗前就打扰用户
+    static NSString *const kKBHasLaunchedOnce = @"KBHasLaunchedOnce";
+    NSUserDefaults *ud = [NSUserDefaults standardUserDefaults];
+    if (![ud boolForKey:kKBHasLaunchedOnce]) {
+        return;
+    }
+
+    // 仅在应用处于前台时提示
+    if ([UIApplication sharedApplication].applicationState != UIApplicationStateActive) {
+        return;
+    }
+
     AFNetworkReachabilityStatus status = [AFNetworkReachabilityManager sharedManager].networkReachabilityStatus;
     
     // 只有在“明确不可达”时才弹