diff --git a/libs/scrap/build.rs b/libs/scrap/build.rs
index 8939cd214..b0d800545 100644
--- a/libs/scrap/build.rs
+++ b/libs/scrap/build.rs
@@ -15,7 +15,7 @@ fn link_vcpkg(mut path: PathBuf, name: &str) -> PathBuf {
     let mut target = if target_os == "macos" {
         if target_arch == "x64" {
             "x64-osx".to_owned()
-        } else if target_arch == "arm64"{
+        } else if target_arch == "arm64" {
             "arm64-osx".to_owned()
         } else {
             format!("{}-{}", target_arch, target_os)
diff --git a/libs/scrap/examples/capture_mag.rs b/libs/scrap/examples/capture_mag.rs
index 81b2d8573..047020899 100644
--- a/libs/scrap/examples/capture_mag.rs
+++ b/libs/scrap/examples/capture_mag.rs
@@ -3,9 +3,9 @@ extern crate scrap;
 
 use std::fs::File;
 
+use scrap::{i420_to_rgb, Display};
 #[cfg(windows)]
 use scrap::{CapturerMag, TraitCapturer};
-use scrap::{i420_to_rgb, Display};
 
 fn main() {
     let n = Display::all().unwrap().len();
diff --git a/libs/scrap/examples/record-screen.rs b/libs/scrap/examples/record-screen.rs
index 5df97838e..10ad66e09 100644
--- a/libs/scrap/examples/record-screen.rs
+++ b/libs/scrap/examples/record-screen.rs
@@ -18,7 +18,7 @@ use webm::mux;
 use webm::mux::Track;
 
 use scrap::vpxcodec as vpx_encode;
-use scrap::{TraitCapturer, Capturer, Display, STRIDE_ALIGN};
+use scrap::{Capturer, Display, TraitCapturer, STRIDE_ALIGN};
 
 const USAGE: &'static str = "
 Simple WebM screen capture.
diff --git a/libs/scrap/src/common/mod.rs b/libs/scrap/src/common/mod.rs
index 26b946401..292f371c6 100644
--- a/libs/scrap/src/common/mod.rs
+++ b/libs/scrap/src/common/mod.rs
@@ -64,6 +64,9 @@ pub fn would_block_if_equal(old: &mut Vec<u8>, b: &[u8]) -> std::io::Result<()>
 
 pub trait TraitCapturer {
     fn set_use_yuv(&mut self, use_yuv: bool);
+
+    // We doesn't support
+    #[cfg(not(any(target_os = "ios")))]
     fn frame<'a>(&'a mut self, timeout: std::time::Duration) -> std::io::Result<Frame<'a>>;
 
     #[cfg(windows)]
diff --git a/libs/scrap/src/wayland.rs b/libs/scrap/src/wayland.rs
index 82b219306..a5c4a3903 100644
--- a/libs/scrap/src/wayland.rs
+++ b/libs/scrap/src/wayland.rs
@@ -1,3 +1,3 @@
+pub mod capturable;
 pub mod pipewire;
 mod pipewire_dbus;
-pub mod capturable;
diff --git a/src/client.rs b/src/client.rs
index d889e86cd..1dd525984 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -55,7 +55,6 @@ use scrap::{
 
 use crate::{
     common::{self, is_keyboard_mode_supported},
-    server::video_service::{SCRAP_X11_REF_URL, SCRAP_X11_REQUIRED},
 };
 
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
@@ -74,6 +73,27 @@ pub const MILLI1: Duration = Duration::from_millis(1);
 pub const SEC30: Duration = Duration::from_secs(30);
 pub const VIDEO_QUEUE_SIZE: usize = 120;
 
+pub const LOGIN_MSG_DESKTOP_NOT_INITED: &str = "Desktop env is not inited";
+pub const LOGIN_MSG_DESKTOP_SESSION_NOT_READY: &str = "Desktop session not ready";
+pub const LOGIN_MSG_DESKTOP_XSESSION_FAILED: &str = "Desktop xsession failed";
+pub const LOGIN_MSG_DESKTOP_SESSION_ANOTHER_USER: &str = "Desktop session another user login";
+pub const LOGIN_MSG_DESKTOP_XORG_NOT_FOUND: &str = "Desktop xorg not found";
+// ls /usr/share/xsessions/
+pub const LOGIN_MSG_DESKTOP_NO_DESKTOP: &str = "Desktop none";
+pub const LOGIN_MSG_DESKTOP_SESSION_NOT_READY_PASSWORD_EMPTY: &str =
+    "Desktop session not ready, password empty";
+pub const LOGIN_MSG_DESKTOP_SESSION_NOT_READY_PASSWORD_WRONG: &str =
+    "Desktop session not ready, password wrong";
+pub const LOGIN_MSG_PASSWORD_EMPTY: &str = "Empty Password";
+pub const LOGIN_MSG_PASSWORD_WRONG: &str = "Wrong Password";
+pub const LOGIN_MSG_NO_PASSWORD_ACCESS: &str = "No Password Access";
+pub const LOGIN_MSG_OFFLINE: &str = "Offline";
+pub const SCRAP_UBUNTU_HIGHER_REQUIRED: &str = "Wayland requires Ubuntu 21.04 or higher version.";
+pub const SCRAP_OTHER_VERSION_OR_X11_REQUIRED: &str =
+    "Wayland requires higher version of linux distro. Please try X11 desktop or change your OS.";
+pub const SCRAP_X11_REQUIRED: &str = "x11 expected";
+pub const SCRAP_X11_REF_URL: &str = "https://rustdesk.com/docs/en/manual/linux/#x11-required";
+
 /// Client of the remote desktop.
 pub struct Client;
 
@@ -1970,49 +1990,49 @@ struct LoginErrorMsgBox {
 lazy_static::lazy_static! {
     static ref LOGIN_ERROR_MAP: Arc<HashMap<&'static str, LoginErrorMsgBox>> = {
         use hbb_common::config::LINK_HEADLESS_LINUX_SUPPORT;
-        let map = HashMap::from([(crate::server::LOGIN_MSG_DESKTOP_SESSION_NOT_READY, LoginErrorMsgBox{
+        let map = HashMap::from([(LOGIN_MSG_DESKTOP_SESSION_NOT_READY, LoginErrorMsgBox{
             msgtype: "session-login",
             title: "",
             text: "",
             link: "",
             try_again: true,
-        }), (crate::server::LOGIN_MSG_DESKTOP_XSESSION_FAILED, LoginErrorMsgBox{
+        }), (LOGIN_MSG_DESKTOP_XSESSION_FAILED, LoginErrorMsgBox{
             msgtype: "session-re-login",
             title: "",
             text: "",
             link: "",
             try_again: true,
-        }), (crate::server::LOGIN_MSG_DESKTOP_SESSION_ANOTHER_USER, LoginErrorMsgBox{
+        }), (LOGIN_MSG_DESKTOP_SESSION_ANOTHER_USER, LoginErrorMsgBox{
             msgtype: "info-nocancel",
             title: "another_user_login_title_tip",
             text: "another_user_login_text_tip",
             link: "",
             try_again: false,
-        }), (crate::server::LOGIN_MSG_DESKTOP_XORG_NOT_FOUND, LoginErrorMsgBox{
+        }), (LOGIN_MSG_DESKTOP_XORG_NOT_FOUND, LoginErrorMsgBox{
             msgtype: "info-nocancel",
             title: "xorg_not_found_title_tip",
             text: "xorg_not_found_text_tip",
             link: LINK_HEADLESS_LINUX_SUPPORT,
             try_again: true,
-        }), (crate::server::LOGIN_MSG_DESKTOP_NO_DESKTOP, LoginErrorMsgBox{
+        }), (LOGIN_MSG_DESKTOP_NO_DESKTOP, LoginErrorMsgBox{
             msgtype: "info-nocancel",
             title: "no_desktop_title_tip",
             text: "no_desktop_text_tip",
             link: LINK_HEADLESS_LINUX_SUPPORT,
             try_again: true,
-        }), (crate::server::LOGIN_MSG_DESKTOP_SESSION_NOT_READY_PASSWORD_EMPTY, LoginErrorMsgBox{
+        }), (LOGIN_MSG_DESKTOP_SESSION_NOT_READY_PASSWORD_EMPTY, LoginErrorMsgBox{
             msgtype: "session-login-password",
             title: "",
             text: "",
             link: "",
             try_again: true,
-        }), (crate::server::LOGIN_MSG_DESKTOP_SESSION_NOT_READY_PASSWORD_WRONG, LoginErrorMsgBox{
+        }), (LOGIN_MSG_DESKTOP_SESSION_NOT_READY_PASSWORD_WRONG, LoginErrorMsgBox{
             msgtype: "session-login-re-password",
             title: "",
             text: "",
             link: "",
             try_again: true,
-        }), (crate::server::LOGIN_MSG_NO_PASSWORD_ACCESS, LoginErrorMsgBox{
+        }), (LOGIN_MSG_NO_PASSWORD_ACCESS, LoginErrorMsgBox{
             msgtype: "wait-remote-accept-nook",
             title: "Prompt",
             text: "Please wait for the remote side to accept your session request...",
@@ -2030,11 +2050,11 @@ pub fn handle_login_error(
     err: &str,
     interface: &impl Interface,
 ) -> bool {
-    if err == crate::server::LOGIN_MSG_PASSWORD_EMPTY {
+    if err == LOGIN_MSG_PASSWORD_EMPTY {
         lc.write().unwrap().password = Default::default();
         interface.msgbox("input-password", "Password Required", "", "");
         true
-    } else if err == crate::server::LOGIN_MSG_PASSWORD_WRONG {
+    } else if err == LOGIN_MSG_PASSWORD_WRONG {
         lc.write().unwrap().password = Default::default();
         interface.msgbox("re-input-password", err, "Do you want to enter again?", "");
         true
diff --git a/src/client/io_loop.rs b/src/client/io_loop.rs
index 4cc7fd825..919347e5f 100644
--- a/src/client/io_loop.rs
+++ b/src/client/io_loop.rs
@@ -36,6 +36,7 @@ use crate::client::{
 use crate::common::{self, update_clipboard};
 use crate::common::{get_default_sound_input, set_sound_input};
 use crate::ui_session_interface::{InvokeUiSession, Session};
+#[cfg(not(any(target_os = "ios")))]
 use crate::{audio_service, ConnInner, CLIENT_SERVER};
 use crate::{client::Data, client::Interface};
 
@@ -303,60 +304,65 @@ impl<T: InvokeUiSession> Remote<T> {
         if let Some(device) = default_sound_device {
             set_sound_input(device);
         }
-        // Create a channel to receive error or closed message
-        let (tx, rx) = std::sync::mpsc::channel();
-        let (tx_audio_data, mut rx_audio_data) = hbb_common::tokio::sync::mpsc::unbounded_channel();
-        // Create a stand-alone inner, add subscribe to audio service
-        let conn_id = CLIENT_SERVER.write().unwrap().get_new_id();
-        let client_conn_inner = ConnInner::new(conn_id.clone(), Some(tx_audio_data), None);
-        // now we subscribe
-        CLIENT_SERVER.write().unwrap().subscribe(
-            audio_service::NAME,
-            client_conn_inner.clone(),
-            true,
-        );
-        let tx_audio = self.sender.clone();
-        std::thread::spawn(move || {
-            loop {
-                // check if client is closed
-                match rx.try_recv() {
-                    Ok(_) | Err(std::sync::mpsc::TryRecvError::Disconnected) => {
-                        log::debug!("Exit voice call audio service of client");
-                        // unsubscribe
-                        CLIENT_SERVER.write().unwrap().subscribe(
-                            audio_service::NAME,
-                            client_conn_inner,
-                            false,
-                        );
-                        break;
-                    }
-                    _ => {}
-                }
-                match rx_audio_data.try_recv() {
-                    Ok((_instant, msg)) => match &msg.union {
-                        Some(message::Union::AudioFrame(frame)) => {
-                            let mut msg = Message::new();
-                            msg.set_audio_frame(frame.clone());
-                            tx_audio.send(Data::Message(msg)).ok();
-                        }
-                        Some(message::Union::Misc(misc)) => {
-                            let mut msg = Message::new();
-                            msg.set_misc(misc.clone());
-                            tx_audio.send(Data::Message(msg)).ok();
+        // iOS does not have this server.
+        #[cfg(not(any(target_os = "ios")))]
+        {
+            // Create a channel to receive error or closed message
+            let (tx, rx) = std::sync::mpsc::channel();
+            let (tx_audio_data, mut rx_audio_data) = hbb_common::tokio::sync::mpsc::unbounded_channel();
+            // Create a stand-alone inner, add subscribe to audio service
+            let conn_id = CLIENT_SERVER.write().unwrap().get_new_id();
+            let client_conn_inner = ConnInner::new(conn_id.clone(), Some(tx_audio_data), None);
+            // now we subscribe
+            CLIENT_SERVER.write().unwrap().subscribe(
+                audio_service::NAME,
+                client_conn_inner.clone(),
+                true,
+            );
+            let tx_audio = self.sender.clone();
+            std::thread::spawn(move || {
+                loop {
+                    // check if client is closed
+                    match rx.try_recv() {
+                        Ok(_) | Err(std::sync::mpsc::TryRecvError::Disconnected) => {
+                            log::debug!("Exit voice call audio service of client");
+                            // unsubscribe
+                            CLIENT_SERVER.write().unwrap().subscribe(
+                                audio_service::NAME,
+                                client_conn_inner,
+                                false,
+                            );
+                            break;
                         }
                         _ => {}
-                    },
-                    Err(err) => {
-                        if err == TryRecvError::Empty {
-                            // ignore
-                        } else {
-                            log::debug!("Failed to record local audio channel: {}", err);
+                    }
+                    match rx_audio_data.try_recv() {
+                        Ok((_instant, msg)) => match &msg.union {
+                            Some(message::Union::AudioFrame(frame)) => {
+                                let mut msg = Message::new();
+                                msg.set_audio_frame(frame.clone());
+                                tx_audio.send(Data::Message(msg)).ok();
+                            }
+                            Some(message::Union::Misc(misc)) => {
+                                let mut msg = Message::new();
+                                msg.set_misc(misc.clone());
+                                tx_audio.send(Data::Message(msg)).ok();
+                            }
+                            _ => {}
+                        },
+                        Err(err) => {
+                            if err == TryRecvError::Empty {
+                                // ignore
+                            } else {
+                                log::debug!("Failed to record local audio channel: {}", err);
+                            }
                         }
                     }
                 }
-            }
-        });
-        Some(tx)
+            });
+            return Some(tx);
+        }
+        None
     }
 
     async fn handle_msg_from_ui(&mut self, data: Data, peer: &mut Stream) -> bool {
diff --git a/src/common.rs b/src/common.rs
index 3cf10eaba..c96e42b37 100644
--- a/src/common.rs
+++ b/src/common.rs
@@ -782,6 +782,7 @@ pub fn make_fd_to_json(id: i32, path: String, entries: &Vec<FileEntry>) -> Strin
 /// 1. Try to send the url scheme from ipc.
 /// 2. If failed to send the url scheme, we open a new main window to handle this url scheme.
 pub fn handle_url_scheme(url: String) {
+    #[cfg(not(target_os = "ios"))]
     if let Err(err) = crate::ipc::send_url_scheme(url.clone()) {
         log::debug!("Send the url to the existing flutter process failed, {}. Let's open a new program to handle this.", err);
         let _ = crate::run_me(vec![url]);
@@ -801,6 +802,9 @@ pub fn decode64<T: AsRef<[u8]>>(input: T) -> Result<Vec<u8>, base64::DecodeError
 }
 
 pub async fn get_key(sync: bool) -> String {
+    #[cfg(target_os = "ios")]
+    let mut key = Config::get_option("key");
+    #[cfg(not(target_os = "ios"))]
     let mut key = if sync {
         Config::get_option("key")
     } else {
diff --git a/src/flutter_ffi.rs b/src/flutter_ffi.rs
index a8fe66c8a..3fdc5e48f 100644
--- a/src/flutter_ffi.rs
+++ b/src/flutter_ffi.rs
@@ -844,11 +844,13 @@ fn main_broadcast_message(data: &HashMap<&str, &str>) {
 
 pub fn main_change_theme(dark: String) {
     main_broadcast_message(&HashMap::from([("name", "theme"), ("dark", &dark)]));
+    #[cfg(not(any(target_os = "ios")))]
     send_to_cm(&crate::ipc::Data::Theme(dark));
 }
 
 pub fn main_change_language(lang: String) {
     main_broadcast_message(&HashMap::from([("name", "language"), ("lang", &lang)]));
+    #[cfg(not(any(target_os = "ios")))]
     send_to_cm(&crate::ipc::Data::Language(lang));
 }
 
@@ -1138,6 +1140,8 @@ pub fn main_get_mouse_time() -> f64 {
 }
 
 pub fn main_wol(id: String) {
+    // TODO: move send_wol outside.
+    #[cfg(not(any(target_os = "ios")))]
     crate::lan::send_wol(id)
 }
 
@@ -1147,10 +1151,12 @@ pub fn main_create_shortcut(_id: String) {
 }
 
 pub fn cm_send_chat(conn_id: i32, msg: String) {
+    #[cfg(not(any(target_os = "ios")))]
     crate::ui_cm_interface::send_chat(conn_id, msg);
 }
 
 pub fn cm_login_res(conn_id: i32, res: bool) {
+    #[cfg(not(any(target_os = "ios")))]
     if res {
         crate::ui_cm_interface::authorize(conn_id);
     } else {
@@ -1159,22 +1165,29 @@ pub fn cm_login_res(conn_id: i32, res: bool) {
 }
 
 pub fn cm_close_connection(conn_id: i32) {
+    #[cfg(not(any(target_os = "ios")))]
     crate::ui_cm_interface::close(conn_id);
 }
 
 pub fn cm_remove_disconnected_connection(conn_id: i32) {
+    #[cfg(not(any(target_os = "ios")))]
     crate::ui_cm_interface::remove(conn_id);
 }
 
 pub fn cm_check_click_time(conn_id: i32) {
+    #[cfg(not(any(target_os = "ios")))]
     crate::ui_cm_interface::check_click_time(conn_id)
 }
 
 pub fn cm_get_click_time() -> f64 {
-    crate::ui_cm_interface::get_click_time() as _
+    #[cfg(not(any(target_os = "ios")))]
+    return crate::ui_cm_interface::get_click_time() as _;
+    #[cfg(any(target_os = "ios"))]
+    return 0 as _;
 }
 
 pub fn cm_switch_permission(conn_id: i32, name: String, enabled: bool) {
+    #[cfg(not(any(target_os = "ios")))]
     crate::ui_cm_interface::switch_permission(conn_id, name, enabled)
 }
 
@@ -1183,10 +1196,12 @@ pub fn cm_can_elevate() -> SyncReturn<bool> {
 }
 
 pub fn cm_elevate_portable(conn_id: i32) {
+    #[cfg(not(any(target_os = "ios")))]
     crate::ui_cm_interface::elevate_portable(conn_id);
 }
 
 pub fn cm_switch_back(conn_id: i32) {
+    #[cfg(not(any(target_os = "ios")))]
     crate::ui_cm_interface::switch_back(conn_id);
 }
 
@@ -1222,6 +1237,7 @@ fn handle_query_onlines(onlines: Vec<String>, offlines: Vec<String>) {
 }
 
 pub fn query_onlines(ids: Vec<String>) {
+    #[cfg(not(any(target_os = "ios")))]
     crate::rendezvous_mediator::query_online_states(ids, handle_query_onlines)
 }
 
diff --git a/src/hbbs_http/sync.rs b/src/hbbs_http/sync.rs
index ae91c60aa..cd7f95208 100644
--- a/src/hbbs_http/sync.rs
+++ b/src/hbbs_http/sync.rs
@@ -6,12 +6,13 @@ use hbb_common::{
 };
 use serde::{Deserialize, Serialize};
 use serde_json::{json, Value};
-
+#[cfg(not(any(target_os = "ios")))]
 use crate::Connection;
 
 const TIME_HEARTBEAT: Duration = Duration::from_secs(30);
 const TIME_CONN: Duration = Duration::from_secs(3);
 
+#[cfg(not(any(target_os = "ios")))]
 lazy_static::lazy_static! {
     static ref SENDER : Mutex<broadcast::Sender<Vec<i32>>> = Mutex::new(start_hbbs_sync());
 }
@@ -21,10 +22,12 @@ pub fn start() {
     let _sender = SENDER.lock().unwrap();
 }
 
+#[cfg(not(target_os = "ios"))]
 pub fn signal_receiver() -> broadcast::Receiver<Vec<i32>> {
     SENDER.lock().unwrap().subscribe()
 }
 
+#[cfg(not(any(target_os = "ios")))]
 fn start_hbbs_sync() -> broadcast::Sender<Vec<i32>> {
     let (tx, _rx) = broadcast::channel::<Vec<i32>>(16);
     std::thread::spawn(move || start_hbbs_sync_async());
@@ -37,6 +40,7 @@ pub struct StrategyOptions {
     pub extra: HashMap<String, String>,
 }
 
+#[cfg(not(any(target_os = "ios")))]
 #[tokio::main(flavor = "current_thread")]
 async fn start_hbbs_sync_async() {
     tokio::spawn(async move {
diff --git a/src/main.rs b/src/main.rs
index 3759f6056..24e708c52 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,7 +1,7 @@
- #![cfg_attr(
-     all(not(debug_assertions), target_os = "windows"),
-     windows_subsystem = "windows"
- )]
+#![cfg_attr(
+    all(not(debug_assertions), target_os = "windows"),
+    windows_subsystem = "windows"
+)]
 
 use librustdesk::*;
 
diff --git a/src/server/connection.rs b/src/server/connection.rs
index d4b645078..422080d14 100644
--- a/src/server/connection.rs
+++ b/src/server/connection.rs
@@ -65,22 +65,6 @@ lazy_static::lazy_static! {
 pub static CLICK_TIME: AtomicI64 = AtomicI64::new(0);
 pub static MOUSE_MOVE_TIME: AtomicI64 = AtomicI64::new(0);
 
-pub const LOGIN_MSG_DESKTOP_NOT_INITED: &str = "Desktop env is not inited";
-pub const LOGIN_MSG_DESKTOP_SESSION_NOT_READY: &str = "Desktop session not ready";
-pub const LOGIN_MSG_DESKTOP_XSESSION_FAILED: &str = "Desktop xsession failed";
-pub const LOGIN_MSG_DESKTOP_SESSION_ANOTHER_USER: &str = "Desktop session another user login";
-pub const LOGIN_MSG_DESKTOP_XORG_NOT_FOUND: &str = "Desktop xorg not found";
-// ls /usr/share/xsessions/
-pub const LOGIN_MSG_DESKTOP_NO_DESKTOP: &str = "Desktop none";
-pub const LOGIN_MSG_DESKTOP_SESSION_NOT_READY_PASSWORD_EMPTY: &str =
-    "Desktop session not ready, password empty";
-pub const LOGIN_MSG_DESKTOP_SESSION_NOT_READY_PASSWORD_WRONG: &str =
-    "Desktop session not ready, password wrong";
-pub const LOGIN_MSG_PASSWORD_EMPTY: &str = "Empty Password";
-pub const LOGIN_MSG_PASSWORD_WRONG: &str = "Wrong Password";
-pub const LOGIN_MSG_NO_PASSWORD_ACCESS: &str = "No Password Access";
-pub const LOGIN_MSG_OFFLINE: &str = "Offline";
-
 #[derive(Clone, Default)]
 pub struct ConnInner {
     id: i32,
diff --git a/src/server/video_service.rs b/src/server/video_service.rs
index e6f29a405..f7a6625ec 100644
--- a/src/server/video_service.rs
+++ b/src/server/video_service.rs
@@ -46,12 +46,6 @@ use std::{
     time::{self, Duration, Instant},
 };
 
-pub const SCRAP_UBUNTU_HIGHER_REQUIRED: &str = "Wayland requires Ubuntu 21.04 or higher version.";
-pub const SCRAP_OTHER_VERSION_OR_X11_REQUIRED: &str =
-    "Wayland requires higher version of linux distro. Please try X11 desktop or change your OS.";
-pub const SCRAP_X11_REQUIRED: &str = "x11 expected";
-pub const SCRAP_X11_REF_URL: &str = "https://rustdesk.com/docs/en/manual/linux/#x11-required";
-
 pub const NAME: &'static str = "video";
 
 lazy_static::lazy_static! {
diff --git a/src/ui_cm_interface.rs b/src/ui_cm_interface.rs
index b6bb3e35d..d542313a5 100644
--- a/src/ui_cm_interface.rs
+++ b/src/ui_cm_interface.rs
@@ -17,6 +17,7 @@ use serde_derive::Serialize;
 
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
 use crate::ipc::Connection;
+#[cfg(not(any(target_os = "android", target_os = "ios")))]
 use crate::ipc::{self, Data};
 #[cfg(not(any(target_os = "android", target_os = "ios")))]
 use hbb_common::tokio::sync::mpsc::unbounded_channel;
@@ -56,6 +57,7 @@ pub struct Client {
     pub in_voice_call: bool,
     pub incoming_voice_call: bool,
     #[serde(skip)]
+    #[cfg(not(any(target_os = "ios")))]
     tx: UnboundedSender<Data>,
 }
 
@@ -129,6 +131,7 @@ impl<T: InvokeUiCM> ConnectionManager<T> {
         restart: bool,
         recording: bool,
         from_switch: bool,
+        #[cfg(not(any(target_os = "ios")))]
         tx: mpsc::UnboundedSender<Data>,
     ) {
         let client = Client {
@@ -146,7 +149,8 @@ impl<T: InvokeUiCM> ConnectionManager<T> {
             restart,
             recording,
             from_switch,
-            tx,
+            #[cfg(not(any(target_os = "ios")))]
+            _tx,
             in_voice_call: false,
             incoming_voice_call: false,
         };
@@ -222,6 +226,7 @@ impl<T: InvokeUiCM> ConnectionManager<T> {
 }
 
 #[inline]
+#[cfg(not(any(target_os = "ios")))]
 pub fn check_click_time(id: i32) {
     if let Some(client) = CLIENTS.read().unwrap().get(&id) {
         allow_err!(client.tx.send(Data::ClickTime(0)));
@@ -234,6 +239,7 @@ pub fn get_click_time() -> i64 {
 }
 
 #[inline]
+#[cfg(not(any(target_os = "ios")))]
 pub fn authorize(id: i32) {
     if let Some(client) = CLIENTS.write().unwrap().get_mut(&id) {
         client.authorized = true;
@@ -242,6 +248,7 @@ pub fn authorize(id: i32) {
 }
 
 #[inline]
+#[cfg(not(any(target_os = "ios")))]
 pub fn close(id: i32) {
     if let Some(client) = CLIENTS.read().unwrap().get(&id) {
         allow_err!(client.tx.send(Data::Close));
@@ -255,6 +262,7 @@ pub fn remove(id: i32) {
 
 // server mode send chat to peer
 #[inline]
+#[cfg(not(any(target_os = "ios")))]
 pub fn send_chat(id: i32, text: String) {
     let clients = CLIENTS.read().unwrap();
     if let Some(client) = clients.get(&id) {
@@ -263,6 +271,7 @@ pub fn send_chat(id: i32, text: String) {
 }
 
 #[inline]
+#[cfg(not(any(target_os = "ios")))]
 pub fn switch_permission(id: i32, name: String, enabled: bool) {
     if let Some(client) = CLIENTS.read().unwrap().get(&id) {
         allow_err!(client.tx.send(Data::SwitchPermission { name, enabled }));
@@ -285,6 +294,7 @@ pub fn get_clients_length() -> usize {
 
 #[inline]
 #[cfg(feature = "flutter")]
+#[cfg(not(any(target_os = "ios")))]
 pub fn switch_back(id: i32) {
     if let Some(client) = CLIENTS.read().unwrap().get(&id) {
         allow_err!(client.tx.send(Data::SwitchSidesBack));
@@ -594,6 +604,7 @@ pub async fn start_listen<T: InvokeUiCM>(
     cm.remove_connection(current_id, true);
 }
 
+#[cfg(not(any(target_os = "ios")))]
 async fn handle_fs(fs: ipc::FS, write_jobs: &mut Vec<fs::TransferJob>, tx: &UnboundedSender<Data>) {
     match fs {
         ipc::FS::ReadDir {
@@ -739,6 +750,7 @@ async fn handle_fs(fs: ipc::FS, write_jobs: &mut Vec<fs::TransferJob>, tx: &Unbo
     }
 }
 
+#[cfg(not(any(target_os = "ios")))]
 async fn read_dir(dir: &str, include_hidden: bool, tx: &UnboundedSender<Data>) {
     let path = {
         if dir.is_empty() {
@@ -756,6 +768,7 @@ async fn read_dir(dir: &str, include_hidden: bool, tx: &UnboundedSender<Data>) {
     }
 }
 
+#[cfg(not(any(target_os = "ios")))]
 async fn handle_result<F: std::fmt::Display, S: std::fmt::Display>(
     res: std::result::Result<std::result::Result<(), F>, S>,
     id: i32,
@@ -775,6 +788,7 @@ async fn handle_result<F: std::fmt::Display, S: std::fmt::Display>(
     }
 }
 
+#[cfg(not(any(target_os = "ios")))]
 async fn remove_file(path: String, id: i32, file_num: i32, tx: &UnboundedSender<Data>) {
     handle_result(
         spawn_blocking(move || fs::remove_file(&path)).await,
@@ -785,6 +799,7 @@ async fn remove_file(path: String, id: i32, file_num: i32, tx: &UnboundedSender<
     .await;
 }
 
+#[cfg(not(any(target_os = "ios")))]
 async fn create_dir(path: String, id: i32, tx: &UnboundedSender<Data>) {
     handle_result(
         spawn_blocking(move || fs::create_dir(&path)).await,
@@ -795,6 +810,7 @@ async fn create_dir(path: String, id: i32, tx: &UnboundedSender<Data>) {
     .await;
 }
 
+#[cfg(not(any(target_os = "ios")))]
 async fn remove_dir(path: String, id: i32, recursive: bool, tx: &UnboundedSender<Data>) {
     let path = fs::get_path(&path);
     handle_result(
@@ -813,6 +829,7 @@ async fn remove_dir(path: String, id: i32, recursive: bool, tx: &UnboundedSender
     .await;
 }
 
+#[cfg(not(any(target_os = "ios")))]
 fn send_raw(msg: Message, tx: &UnboundedSender<Data>) {
     match msg.write_to_bytes() {
         Ok(bytes) => {
@@ -859,6 +876,8 @@ pub fn elevate_portable(_id: i32) {
 #[inline]
 pub fn handle_incoming_voice_call(id: i32, accept: bool) {
     if let Some(client) = CLIENTS.read().unwrap().get(&id) {
+        // Not handled in iOS yet.
+        #[cfg(not(any(target_os = "ios")))]
         allow_err!(client.tx.send(Data::VoiceCallResponse(accept)));
     };
 }
@@ -867,6 +886,8 @@ pub fn handle_incoming_voice_call(id: i32, accept: bool) {
 #[inline]
 pub fn close_voice_call(id: i32) {
     if let Some(client) = CLIENTS.read().unwrap().get(&id) {
+        // Not handled in iOS yet.
+        #[cfg(not(any(target_os = "ios")))]
         allow_err!(client.tx.send(Data::CloseVoiceCall("".to_owned())));
     };
 }
diff --git a/src/ui_interface.rs b/src/ui_interface.rs
index 3749b4918..30c6b9ab4 100644
--- a/src/ui_interface.rs
+++ b/src/ui_interface.rs
@@ -26,7 +26,10 @@ use hbb_common::{
 
 #[cfg(feature = "flutter")]
 use crate::hbbs_http::account;
-use crate::{common::SOFTWARE_UPDATE_URL, ipc};
+use crate::{common::SOFTWARE_UPDATE_URL};
+#[cfg(not(any(target_os = "ios")))]
+use crate::ipc;
+
 
 type Message = RendezvousMessage;
 
@@ -569,6 +572,7 @@ pub fn create_shortcut(_id: String) {
 #[cfg(any(target_os = "android", target_os = "ios", feature = "flutter"))]
 #[inline]
 pub fn discover() {
+    #[cfg(not(any(target_os = "ios")))]
     std::thread::spawn(move || {
         allow_err!(crate::lan::discover());
     });
@@ -922,7 +926,8 @@ pub fn option_synced() -> bool {
     OPTION_SYNCED.lock().unwrap().clone()
 }
 
-#[cfg(any(target_os = "android", target_os = "ios", feature = "flutter"))]
+#[cfg(any(target_os = "android", feature = "flutter"))]
+#[cfg(not(any(target_os = "ios")))]
 #[tokio::main(flavor = "current_thread")]
 pub(crate) async fn send_to_cm(data: &ipc::Data) {
     if let Ok(mut c) = ipc::connect(1000, "_cm").await {
diff --git a/src/ui_session_interface.rs b/src/ui_session_interface.rs
index 504982f50..db0aab0ae 100644
--- a/src/ui_session_interface.rs
+++ b/src/ui_session_interface.rs
@@ -263,7 +263,10 @@ impl<T: InvokeUiSession> Session<T> {
     }
 
     pub fn is_xfce(&self) -> bool {
-        crate::platform::is_xfce()
+        #[cfg(not(any(target_os = "ios")))]
+        return crate::platform::is_xfce();
+        #[cfg(any(target_os = "ios"))]
+        false
     }
 
     pub fn get_supported_keyboard_modes(&self) -> Vec<KeyboardMode> {
@@ -526,6 +529,17 @@ impl<T: InvokeUiSession> Session<T> {
         self.send(Data::Message(msg_out));
     }
 
+    #[cfg(any(target_os = "ios"))]
+    pub fn handle_flutter_key_event(
+        &self,
+        _name: &str,
+        platform_code: i32,
+        position_code: i32,
+        lock_modes: i32,
+        down_or_up: bool,
+    ) {}
+
+    #[cfg(not(any(target_os = "ios")))]
     pub fn handle_flutter_key_event(
         &self,
         _name: &str,
@@ -755,6 +769,10 @@ impl<T: InvokeUiSession> Session<T> {
         self.send(Data::ElevateWithLogon(username, password));
     }
 
+    #[cfg(any(target_os = "ios"))]
+    pub fn switch_sides(&self) {}
+
+    #[cfg(not(any(target_os = "ios")))]
     #[tokio::main(flavor = "current_thread")]
     pub async fn switch_sides(&self) {
         match crate::ipc::connect(1000, "").await {