键盘的背景图添加高斯模糊

CustomKeyboard/KeyboardViewController.m

@@ -78,6 +78,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 @property(nonatomic, strong) UIImageView *bgImageView;   // 背景图（在底层）
 @property(nonatomic, strong) UIImageView *personaAvatarImageView; // 语音模式下显示的 persona 小头像
 @property(nonatomic, strong) UIImageView *personaGrayImageView; // 语音模式下显示的 persona 小头像
+@property(nonatomic, strong) UIVisualEffectView *personaBlurView; // 语音模式下头像高斯模糊层
 
 @property(nonatomic, strong) KBChatPanelView *chatPanelView;
 @property(nonatomic, strong) KBKeyboardSubscriptionView *subscriptionView;
@@ -1407,6 +1408,10 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
     _personaAvatarImageView.contentMode = UIViewContentModeScaleAspectFill;
     _personaAvatarImageView.clipsToBounds = YES;
     _personaAvatarImageView.hidden = YES;
+    [_personaAvatarImageView addSubview:self.personaBlurView];
+    [self.personaBlurView mas_makeConstraints:^(MASConstraintMaker *make) {
+      make.edges.equalTo(_personaAvatarImageView);
+    }];
   }
   return _personaAvatarImageView;
 }
@@ -1419,6 +1424,16 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
     return _personaGrayImageView;
 }
 
+- (UIVisualEffectView *)personaBlurView {
+  if (!_personaBlurView) {
+    UIBlurEffect *effect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleLight];
+    _personaBlurView = [[UIVisualEffectView alloc] initWithEffect:effect];
+    _personaBlurView.hidden = YES;
+    _personaBlurView.userInteractionEnabled = NO;
+  }
+  return _personaBlurView;
+}
+
 #pragma mark - Persona Avatar
 
 /// 从 AppGroup 读取选中的 persona 信息
@@ -1475,6 +1490,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
   if (image) {
     self.personaAvatarImageView.image = image;
     self.personaAvatarImageView.hidden = NO;
+    self.personaBlurView.hidden = NO;
     NSLog(@"[Keyboard] persona 封面图加载成功");
   } else {
     NSLog(@"[Keyboard] persona 封面图加载失败");
@@ -1485,6 +1501,7 @@ static void KBSkinInstallNotificationCallback(CFNotificationCenterRef center,
 - (void)kb_hidePersonaAvatar {
   self.personaAvatarImageView.hidden = YES;
   self.personaAvatarImageView.image = nil;
+  self.personaBlurView.hidden = YES;
 }
 
 #pragma mark - Actions