处理再次进入弹起权限弹窗

keyBoard/AppDelegate.m

@@ -37,7 +37,7 @@ static NSString * const kKBKeyboardExtensionBundleId = @"com.keyBoardst.CustomKe
     [Bugly startWithAppId:BuglyId config:buglyConfig];
     /// 判断获取键盘权限（统一管理）：
     dispatch_async(dispatch_get_main_queue(), ^{
-        UIViewController *top = [self kb_topMostViewController];
+        UIViewController *top = [UIViewController kb_topMostViewController];
         if (top) {
             Class mgrCls = NSClassFromString(@"KBKeyboardPermissionManager");
             if (mgrCls && [mgrCls respondsToSelector:@selector(shared)]) {
@@ -56,6 +56,15 @@ static NSString * const kKBKeyboardExtensionBundleId = @"com.keyBoardst.CustomKe
     return YES;
 }
 
+- (void)applicationDidBecomeActive:(UIApplication *)application{
+    // When returning from Settings, re-check the keyboard enable state
+    // and hide the guide if the user has enabled our keyboard.
+    // Also shows the guide again if still not enabled.
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [self kb_presentPermissionIfNeeded];
+    });
+}
+
 
 - (void)setupRootVC{
     self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
@@ -67,17 +76,6 @@ static NSString * const kKBKeyboardExtensionBundleId = @"com.keyBoardst.CustomKe
 
 #pragma mark - Permission presentation
 
-- (UIViewController *)kb_topMostViewController
-{
-    UIViewController *root = self.window.rootViewController;
-    if (!root) return nil;
-    UIViewController *top = root;
-    while (top.presentedViewController) {
-        top = top.presentedViewController;
-    }
-    return top;
-}
-
 
 #pragma mark - Deep Link
 
@@ -103,7 +101,7 @@ static NSString * const kKBKeyboardExtensionBundleId = @"com.keyBoardst.CustomKe
     // 已登录则不提示
     BOOL loggedIn = ([AppleSignInManager shared].storedUserIdentifier.length > 0);
     if (loggedIn) return;
-    UIViewController *top = [self kb_topMostViewController];
+    UIViewController *top = [UIViewController kb_topMostViewController];
     if (!top) return;
     [KBLoginSheetViewController presentIfNeededFrom:top];
 }
@@ -123,7 +121,7 @@ static NSString * const kKBKeyboardExtensionBundleId = @"com.keyBoardst.CustomKe
 - (void)kb_presentPermissionIfNeeded
 {
     BOOL enabled = KBIsKeyboardEnabled();
-    UIViewController *top = [self kb_topMostViewController];
+    UIViewController *top = [UIViewController kb_topMostViewController];
     if (!top) return;
     if ([top isKindOfClass:[KBPermissionViewController class]]) {
         if (enabled) {