feat: 灵动岛参数回退单一根节点+岛开关；新增应用内快捷更新（检查/下载/安装）

app/build.gradle.kts

@@ -13,8 +13,8 @@ android {
         applicationId = "com.smbfast.app"
         minSdk = 26
         targetSdk = 35
-        versionCode = 20
-        versionName = "1.18.0"
+        versionCode = 21
+        versionName = "1.19.0"
     }
 
     signingConfigs {

app/src/main/AndroidManifest.xml

@@ -8,6 +8,7 @@
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
     <application
         android:name=".App"

app/src/main/java/com/smbfast/app/data/Prefs.kt

@@ -17,6 +17,8 @@ import javax.crypto.spec.GCMParameterSpec
 data class SpeedSettings(
     var streams: Int = 4,      // 并行流数（每个流独立 SMB 句柄，分块并行下载）
     var chunkKB: Int = 1024,   // 每个请求的分块大小 KB
+    var islandOn: Boolean = true,                       // HyperOS 灵动岛/焦点通知
+    var updateUrl: String = "http://192.168.31.3:8080/", // 应用内快捷更新的分发服务器
 )
 
 class Prefs(context: Context) {

app/src/main/java/com/smbfast/app/transfer/TransferService.kt

@@ -138,14 +138,16 @@ class TransferService : Service() {
                 PendingIntent.FLAG_IMMUTABLE or PendingIntent.FLAG_UPDATE_CURRENT,
             )
             b.addAction(NotificationCompat.Action(android.R.drawable.ic_delete, "全部停止", stopIntent))
-            runCatching {
-                val extras = Bundle()
-                extras.putBundle("miui.focus.pics", islandPics())
-                b.addExtras(extras)
+            if (islandOn()) {
+                runCatching {
+                    val extras = Bundle()
+                    extras.putBundle("miui.focus.pics", islandPics())
+                    b.addExtras(extras)
+                }
             }
         }
         val n = b.build()
-        if (!running.isNullOrEmpty()) {
+        if (!running.isNullOrEmpty() && islandOn()) {
             // 小米 HyperOS 焦点通知/超级岛：客户端本地上岛（官方 extras 协议）。
             // 非小米系统会直接忽略该字段，不影响普通通知展示。
             // islandFirstFloat 只在第一条通知为 true，否则每次更新都会重新弹出岛。
@@ -156,6 +158,10 @@ class TransferService : Service() {
         return n
     }
 
+    private fun islandOn(): Boolean =
+        runCatching { com.smbfast.app.data.Prefs(applicationContext).loadSettings().islandOn }
+            .getOrDefault(true)
+
     /** 岛内图标：直接复用应用图标 */
     private fun islandPics(): Bundle = Bundle().apply {
         val icon = Icon.createWithResource(applicationContext, R.mipmap.ic_launcher)
@@ -223,12 +229,9 @@ class TransferService : Service() {
             .put("param_island", paramIsland)
             .put("baseInfo", baseInfo)
 
-        val paramOs2 = JSONObject().put("baseInfo", baseInfo)
-
-        return JSONObject()
-            .put("param", paramOs2)
-            .put("param_v2", paramV2)
-            .toString()
+        // 单一根节点 param_v2：曾测试过 param+param_v2 双轨，HyperOS 解析异常会把
+        // 整条通知吞掉（比不用岛更糟），故保持单一根节点
+        return JSONObject().put("param_v2", paramV2).toString()
     }
 
     private fun acquireLocks() {

app/src/main/java/com/smbfast/app/ui/screens/SettingsScreen.kt

@@ -21,8 +21,10 @@ import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
 import androidx.compose.material.icons.filled.Bolt
 import androidx.compose.material.icons.filled.BugReport
+import androidx.compose.material.icons.filled.CloudDownload
 import androidx.compose.material.icons.filled.Folder
 import androidx.compose.material.icons.filled.Info
+import androidx.compose.material.icons.filled.Notifications
 import androidx.compose.material.icons.filled.Speed
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.ExperimentalMaterial3Api
@@ -33,6 +35,8 @@ import androidx.compose.material3.IconButton
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Slider
 import androidx.compose.material3.SliderDefaults
+import androidx.compose.material3.Switch
+import androidx.compose.material3.SwitchDefaults
 import androidx.compose.material3.Text
 import androidx.compose.material3.TextButton
 import androidx.compose.material3.TopAppBar
@@ -41,6 +45,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -48,6 +53,7 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.text.font.FontFamily
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
@@ -56,9 +62,14 @@ import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import com.smbfast.app.ui.AppViewModel
 import com.smbfast.app.ui.components.AuroraBackground
 import com.smbfast.app.ui.components.GlassCard
+import com.smbfast.app.ui.components.GlassTextField
 import com.smbfast.app.ui.components.GradientText
 import com.smbfast.app.ui.components.NeonIconBox
+import com.smbfast.app.ui.components.NeonProgress
 import com.smbfast.app.ui.theme.Neon
+import com.smbfast.app.util.Updater
+import kotlinx.coroutines.launch
+import java.io.File
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -147,6 +158,36 @@ fun SettingsScreen(vm: AppViewModel) {
                     subtitle = vm.downloadDir.absolutePath,
                 ) {}
 
+                SectionCard(
+                    icon = Icons.Default.Notifications,
+                    brush = Neon.Primary,
+                    title = "灵动岛 / 焦点通知",
+                    subtitle = "传输时在小米 HyperOS 岛区域显示进度（其他品牌无影响）。若岛不出现或通知异常，可关闭后退回普通通知",
+                ) {
+                    Spacer(Modifier.height(6.dp))
+                    Row(verticalAlignment = Alignment.CenterVertically) {
+                        Switch(
+                            checked = s.islandOn,
+                            onCheckedChange = { checked ->
+                                vm.updateSettings { it.copy(islandOn = checked) }
+                            },
+                            colors = SwitchDefaults.colors(
+                                checkedThumbColor = Color(0xFF04121E),
+                                checkedTrackColor = Neon.Cyan,
+                                uncheckedTrackColor = Color.White.copy(alpha = 0.12f),
+                            ),
+                        )
+                        Spacer(Modifier.width(12.dp))
+                        Text(
+                            if (s.islandOn) "已开启" else "已关闭（仅普通通知）",
+                            color = Neon.TextDim,
+                            fontSize = 13.sp,
+                        )
+                    }
+                }
+
+                UpdateSection(vm = vm, currentName = currentVersionName(), currentCode = currentVersionCode())
+
                 SectionCard(
                     icon = Icons.Default.Speed,
                     brush = Neon.Sunset,
@@ -161,7 +202,7 @@ fun SettingsScreen(vm: AppViewModel) {
                     icon = Icons.Default.Info,
                     brush = Neon.File,
                     title = "隐私提示",
-                    subtitle = "连接密码保存在本机应用私有数据中（未加密）。请勿在共享设备上保存敏感凭据。",
+                    subtitle = "连接密码使用 AndroidKeyStore 加密后保存在本机应用私有数据中，root/备份不可直接读取。",
                 ) {}
 
                 SectionCard(
@@ -220,6 +261,124 @@ fun SettingsScreen(vm: AppViewModel) {
     }
 }
 
+@Composable
+private fun currentVersionCode(): Long {
+    val ctx = LocalContext.current
+    return remember {
+        val pi = ctx.packageManager.getPackageInfo(ctx.packageName, 0)
+        if (android.os.Build.VERSION.SDK_INT >= 28) pi.longVersionCode
+        else @Suppress("DEPRECATION") pi.versionCode.toLong()
+    }
+}
+
+@Composable
+private fun currentVersionName(): String {
+    val ctx = LocalContext.current
+    return remember {
+        ctx.packageManager.getPackageInfo(ctx.packageName, 0).versionName ?: "?"
+    }
+}
+
+/** 应用内快捷更新：检查 version.json → 下载 APK → 拉起系统安装器 */
+@Composable
+private fun UpdateSection(vm: AppViewModel, currentName: String, currentCode: Long) {
+    val s by vm.settings.collectAsStateWithLifecycle()
+    val ctx = LocalContext.current
+    val scope = rememberCoroutineScope()
+
+    var checking by remember { mutableStateOf(false) }
+    var info by remember { mutableStateOf<Updater.Info?>(null) }
+    var msg by remember { mutableStateOf<String?>(null) }
+    var progress by remember { mutableStateOf<Float?>(null) }
+
+    SectionCard(
+        icon = Icons.Default.CloudDownload,
+        brush = Neon.Sunset,
+        title = "应用更新",
+        subtitle = "当前版本 $currentName ($currentCode) · 从分发服务器一键检查、下载并安装新版本",
+    ) {
+        Spacer(Modifier.height(8.dp))
+        GlassTextField(
+            value = s.updateUrl,
+            onValueChange = { v -> vm.updateSettings { it.copy(updateUrl = v) } },
+            label = "分发服务器地址",
+        )
+        Spacer(Modifier.height(10.dp))
+        Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
+            MiniChip(if (checking) "检查中…" else "检查更新") {
+                if (checking || progress != null) return@MiniChip
+                checking = true
+                info = null
+                msg = null
+                scope.launch {
+                    Updater.check(s.updateUrl, currentCode).fold(
+                        onSuccess = { found ->
+                            checking = false
+                            if (found == null) {
+                                msg = "已是最新版本（$currentName / $currentCode）"
+                            } else {
+                                info = found
+                                msg = "发现新版本 ${found.versionName} (${found.versionCode})" +
+                                    (found.note?.let { " · $it" } ?: "")
+                            }
+                        },
+                        onFailure = {
+                            checking = false
+                            msg = "检查失败：${it.message ?: "网络不可达"}"
+                        },
+                    )
+                }
+            }
+            if (info != null) {
+                MiniChip(
+                    if (progress != null) "下载中 ${((progress ?: 0f) * 100).toInt()}%"
+                    else "下载并安装",
+                ) {
+                    val cur = info ?: return@MiniChip
+                    if (progress != null) return@MiniChip
+                    progress = 0f
+                    scope.launch {
+                        val dir = ctx.getExternalFilesDir("update") ?: ctx.filesDir
+                        val apk = File(dir, "SmbFast-update.apk")
+                        Updater.download(Updater.resolveUrl(s.updateUrl, cur), apk) { p -> progress = p }
+                            .fold(
+                                onSuccess = { f ->
+                                    progress = null
+                                    runCatching {
+                                        val uri = androidx.core.content.FileProvider.getUriForFile(
+                                            ctx, "${ctx.packageName}.fileprovider", f,
+                                        )
+                                        val i = android.content.Intent(android.content.Intent.ACTION_VIEW)
+                                            .setDataAndType(uri, "application/vnd.android.package-archive")
+                                            .addFlags(
+                                                android.content.Intent.FLAG_GRANT_READ_URI_PERMISSION
+                                                    or android.content.Intent.FLAG_ACTIVITY_NEW_TASK,
+                                            )
+                                        ctx.startActivity(i)
+                                    }.onFailure { msg = "无法启动安装器：${it.message}" }
+                                },
+                                onFailure = {
+                                    progress = null
+                                    msg = "下载失败：${it.message ?: "网络错误"}"
+                                },
+                            )
+                    }
+                }
+            }
+        }
+        val m = msg
+        if (m != null) {
+            Spacer(Modifier.height(8.dp))
+            Text(m, color = Neon.TextDim, fontSize = 11.sp, lineHeight = 15.sp)
+        }
+        val p = progress
+        if (p != null) {
+            Spacer(Modifier.height(8.dp))
+            NeonProgress(fraction = p, modifier = Modifier.fillMaxWidth(), brush = Neon.Primary)
+        }
+    }
+}
+
 @Composable
 private fun MiniChip(text: String, onClick: () -> Unit) {
     Box(

app/src/main/java/com/smbfast/app/util/Updater.kt

@@ -0,0 +1,82 @@
+package com.smbfast.app.util
+
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import org.json.JSONObject
+import java.io.File
+import java.net.HttpURLConnection
+import java.net.URL
+
+/**
+ * 应用内快捷更新：从分发服务器（dist/ 目录的 HTTP 服务）检查并下载新版本。
+ * 服务器需提供 version.json：{"versionCode":21,"versionName":"1.19.0","file":"SmbFast-release-v21.apk","note":"..."}
+ */
+object Updater {
+
+    data class Info(
+        val versionCode: Long,
+        val versionName: String,
+        val file: String,
+        val note: String?,
+    )
+
+    /** 拉取 {base}/version.json；服务器版本比本地新时返回信息，否则返回 null */
+    suspend fun check(base: String, currentCode: Long): Result<Info?> = withContext(Dispatchers.IO) {
+        runCatching {
+            val u = if (base.endsWith("/")) base else "$base/"
+            val conn = URL(u + "version.json").openConnection() as HttpURLConnection
+            conn.connectTimeout = 5000
+            conn.readTimeout = 5000
+            val body = try {
+                conn.inputStream.use { it.readBytes().decodeToString() }
+            } finally {
+                conn.disconnect()
+            }
+            val o = JSONObject(body)
+            val info = Info(
+                versionCode = o.getLong("versionCode"),
+                versionName = o.optString("versionName", ""),
+                file = o.getString("file"),
+                note = o.optString("note", "").ifBlank { null },
+            )
+            if (info.versionCode > currentCode) info else null
+        }
+    }
+
+    /** 拼出 APK 下载地址（file 为相对名时基于 base） */
+    fun resolveUrl(base: String, info: Info): String =
+        if (info.file.startsWith("http")) info.file
+        else (if (base.endsWith("/")) base else "$base/") + info.file
+
+    /** 下载 APK 到 dest，onProgress 回调 0~1 */
+    suspend fun download(url: String, dest: File, onProgress: (Float) -> Unit): Result<File> =
+        withContext(Dispatchers.IO) {
+            runCatching {
+                val conn = URL(url).openConnection() as HttpURLConnection
+                conn.connectTimeout = 5000
+                conn.readTimeout = 15000
+                val total = conn.contentLengthLong
+                dest.parentFile?.mkdirs()
+                try {
+                    dest.outputStream().use { out ->
+                        conn.inputStream.use { input ->
+                            val buf = ByteArray(256 * 1024)
+                            var done = 0L
+                            while (true) {
+                                val n = input.read(buf)
+                                if (n < 0) break
+                                out.write(buf, 0, n)
+                                done += n
+                                if (total > 0) {
+                                    onProgress((done.toDouble() / total).coerceIn(0.0, 1.0).toFloat())
+                                }
+                            }
+                        }
+                    }
+                } finally {
+                    conn.disconnect()
+                }
+                dest
+            }
+        }
+}

app/src/main/res/xml/file_paths.xml

@@ -3,4 +3,5 @@
     <external-path name="external_download" path="Download/SMBFast/" />
     <external-files-path name="app_download" path="SMBFast/" />
     <files-path name="internal_files" path="SMBFast/" />
+    <external-files-path name="update" path="update/" />
 </paths>