manager: improve local LKM selection

Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

manager/app/src/main/java/com/sukisu/ultra/ui/screen/Install.kt

@@ -1,8 +1,10 @@
 package com.sukisu.ultra.ui.screen
 
 import android.app.Activity
+import android.content.Context
 import android.content.Intent
 import android.net.Uri
+import android.provider.OpenableColumns
 import android.widget.Toast
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
@@ -211,7 +213,17 @@ fun InstallScreen(
     ) {
         if (it.resultCode == Activity.RESULT_OK) {
             it.data?.data?.let { uri ->
+                val isKo = isKoFile(context, uri)
+                if (isKo) {
                     lkmSelection = LkmSelection.LkmUri(uri)
+                } else {
+                    lkmSelection = LkmSelection.KmiNone
+                    Toast.makeText(
+                        context,
+                        context.getString(R.string.install_only_support_ko_file),
+                        Toast.LENGTH_SHORT
+                    ).show()
+                }
             }
         }
     }
@@ -228,7 +240,6 @@ fun InstallScreen(
         topBar = {
             TopBar(
                 onBack = { navigator.popBackStack() },
-                onLkmUpload = onLkmUpload,
                 scrollBehavior = scrollBehavior
             )
         },
@@ -268,31 +279,38 @@ fun InstallScreen(
                     .fillMaxWidth()
                     .padding(16.dp)
             ) {
-                (lkmSelection as? LkmSelection.LkmUri)?.let {
                 ElevatedCard(
                     colors = getCardColors(MaterialTheme.colorScheme.surfaceVariant),
                     elevation = getCardElevation(),
                     modifier = Modifier
                         .fillMaxWidth()
-                            .padding(bottom = 12.dp)
+                        .padding(bottom = 12.dp),
-                            .clip(MaterialTheme.shapes.medium)
-                            .shadow(
-                                elevation = cardElevation,
-                                shape = MaterialTheme.shapes.medium,
-                                spotColor = MaterialTheme.colorScheme.primary.copy(alpha = 0.1f)
-                            )
                 ) {
+                    ListItem(
+                        headlineContent = {
+                            Text(stringResource(id = R.string.install_upload_lkm_file))
+                        },
+                        supportingContent = {
+                            (lkmSelection as? LkmSelection.LkmUri)?.let {
                                 Text(
-                            text = stringResource(
+                                    stringResource(
                                         id = R.string.selected_lkm,
                                         it.uri.lastPathSegment ?: "(file)"
-                            ),
+                                    )
-                            style = MaterialTheme.typography.bodyMedium,
-                            modifier = Modifier.padding(16.dp)
                                 )
                             }
+                        },
+                        leadingContent = {
+                            Icon(
+                                Icons.AutoMirrored.Filled.Input,
+                                contentDescription = null
+                            )
+                        },
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .clickable { onLkmUpload() }
+                    )
                 }
-
                     (installMethod as? InstallMethod.HorizonKernel)?.let { method ->
                     if (method.slot != null) {
                         ElevatedCard(
@@ -952,7 +970,6 @@ fun rememberSelectKmiDialog(onSelected: (String?) -> Unit): DialogHandle {
 @Composable
 private fun TopBar(
     onBack: () -> Unit = {},
-    onLkmUpload: () -> Unit = {},
     scrollBehavior: TopAppBarScrollBehavior? = null
 ) {
     val colorScheme = MaterialTheme.colorScheme
@@ -985,21 +1002,35 @@ private fun TopBar(
         windowInsets = WindowInsets.safeDrawing.only(
             WindowInsetsSides.Top + WindowInsetsSides.Horizontal
         ),
-        actions = {
-            IconButton(
-                modifier = Modifier.padding(end = 16.dp),
-                onClick = onLkmUpload
-            ) {
-                Icon(
-                    Icons.AutoMirrored.Filled.Input,
-                    contentDescription = null
-                )
-            }
-        },
         scrollBehavior = scrollBehavior
     )
 }
 
+private fun isKoFile(context: Context, uri: Uri): Boolean {
+    val seg = uri.lastPathSegment ?: ""
+    if (seg.endsWith(".ko", ignoreCase = true)) return true
+
+    return try {
+        context.contentResolver.query(
+            uri,
+            arrayOf(OpenableColumns.DISPLAY_NAME),
+            null,
+            null,
+            null
+        )?.use { cursor ->
+            val idx = cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME)
+            if (idx != -1 && cursor.moveToFirst()) {
+                val name = cursor.getString(idx)
+                name?.endsWith(".ko", ignoreCase = true) == true
+            } else {
+                false
+            }
+        } ?: false
+    } catch (_: Throwable) {
+        false
+    }
+}
+
 @Preview
 @Composable
 fun SelectInstallPreview() {

manager/app/src/main/res/values-zh-rCN/strings.xml

@@ -110,6 +110,8 @@
     <string name="install_inactive_slot">安装到未使用的槽位（OTA 后）</string>
     <string name="install_inactive_slot_warning">将在重启后强制切换到另一个槽位！\n注意只能在 OTA 更新完成后的重启之前使用。\n确认？</string>
     <string name="install_next">下一步</string>
+    <string name="install_upload_lkm_file">使用本地 LKM 文件</string>
+    <string name="install_only_support_ko_file">仅支持选择 .ko 文件</string>
     <string name="select_file_tip">建议选择 %1$s 分区镜像</string>
     <string name="select_file_tip_vendor">（实验性的）</string>
     <string name="select_kmi">选择 KMI</string>
@@ -123,7 +125,7 @@
     <string name="flashing">刷写中</string>
     <string name="flash_success">刷写完成</string>
     <string name="flash_failed">刷写失败</string>
-    <string name="selected_lkm">选择的 LKM：%s</string>
+    <string name="selected_lkm">已选择的 LKM：%s</string>
     <string name="save_log">保存日志</string>
     <string name="log_saved">日志已保存</string>
     <string name="sus_su_mode">SuS SU 模式：</string>

manager/app/src/main/res/values/strings.xml

@@ -112,6 +112,8 @@
     <string name="install_inactive_slot">Install to inactive slot (After OTA)</string>
     <string name="install_inactive_slot_warning">Your device will be **FORCED** to boot to the current inactive slot after a reboot!\nOnly use this option after OTA is done.\nContinue?</string>
     <string name="install_next">Next</string>
+    <string name="install_upload_lkm_file">Use local LKM file</string>
+    <string name="install_only_support_ko_file">Only .ko files are supported</string>
     <string name="select_file_tip">%1$s partition image is recommended</string>
     <string name="select_file_tip_vendor">(Unstable)</string>
     <string name="select_kmi">Select KMI</string>