add user custom select lkm file button on install screen top bar (#1491)

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Flash.kt

@@ -140,7 +140,7 @@ fun FlashScreen(navigator: DestinationsNavigator, flashIt: FlashIt) {
 
 @Parcelize
 sealed class FlashIt : Parcelable {
-    data class FlashBoot(val bootUri: Uri? = null, val ota: Boolean) : FlashIt()
+    data class FlashBoot(val bootUri: Uri? = null, val lkmUri: Uri? = null, val ota: Boolean) : FlashIt()
 
     data class FlashModule(val uri: Uri) : FlashIt()
 }
@@ -153,6 +153,7 @@ fun flashIt(
     when (flashIt) {
         is FlashIt.FlashBoot -> installBoot(
             flashIt.bootUri,
+            flashIt.lkmUri,
             flashIt.ota,
             onFinish,
             onStdout,

manager/app/src/main/java/me/weishu/kernelsu/ui/screen/Install.kt

@@ -3,6 +3,8 @@ package me.weishu.kernelsu.ui.screen
 import android.app.Activity
 import android.content.Intent
 import android.net.Uri
+import android.util.Log
+import android.webkit.DownloadListener
 import android.widget.Toast
 import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.result.contract.ActivityResultContracts
@@ -14,6 +16,7 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.filled.ArrowBack
+import androidx.compose.material.icons.filled.FileUpload
 import androidx.compose.material3.Button
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
@@ -35,8 +38,11 @@ import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.core.net.toFile
 import com.ramcosta.composedestinations.annotation.Destination
 import com.ramcosta.composedestinations.navigation.DestinationsNavigator
+import com.topjohnwu.superuser.Shell
+import com.topjohnwu.superuser.ShellUtils
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import me.weishu.kernelsu.R
@@ -61,20 +67,41 @@ fun InstallScreen(navigator: DestinationsNavigator) {
         mutableStateOf<InstallMethod?>(null)
     }
 
+    var lkmFileUri = null as Uri?
+
     val onClickInstall = {
         installMethod?.let { method ->
             val flashIt = FlashIt.FlashBoot(
-                if (method is InstallMethod.SelectFile) method.uri else null,
+                bootUri = if (method is InstallMethod.SelectFile) method.uri else null,
-                method is InstallMethod.DirectInstallToInactiveSlot
+                lkmUri = lkmFileUri,
+                ota = method is InstallMethod.DirectInstallToInactiveSlot
             )
             navigator.navigate(FlashScreenDestination(flashIt))
         }
     }
 
-    Scaffold(topBar = {
+    val selectLkmLauncher =
-        TopBar {
+        rememberLauncherForActivityResult(contract = ActivityResultContracts.StartActivityForResult()) {
-            navigator.popBackStack()
+            if (it.resultCode == Activity.RESULT_OK) {
+                it.data?.data?.let { uri ->
+                    lkmFileUri = uri
+                }
+            }
         }
+
+    val onLkmUpload = {
+        selectLkmLauncher.launch(
+            Intent(Intent.ACTION_GET_CONTENT).apply {
+                type = "application/octet-stream"
+            }
+        )
+    }
+
+    Scaffold(topBar = {
+        TopBar(
+            onBack = { navigator.popBackStack() },
+            onLkmUpload = onLkmUpload
+        )
     }) {
         Column(modifier = Modifier.padding(it)) {
             SelectInstallMethod { method ->
@@ -217,7 +244,7 @@ private fun SelectInstallMethod(onSelected: (InstallMethod) -> Unit = {}) {
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
-private fun TopBar(onBack: () -> Unit = {}) {
+private fun TopBar(onBack: () -> Unit = {}, onLkmUpload: () -> Unit = {}) {
     TopAppBar(
         title = { Text(stringResource(R.string.install)) },
         navigationIcon = {
@@ -225,6 +252,11 @@ private fun TopBar(onBack: () -> Unit = {}) {
                 onClick = onBack
             ) { Icon(Icons.Filled.ArrowBack, contentDescription = null) }
         },
+        actions = {
+            IconButton(onClick = onLkmUpload) {
+                Icon(Icons.Filled.FileUpload, contentDescription = null)
+            }
+        }
     )
 }
 

manager/app/src/main/java/me/weishu/kernelsu/ui/util/KsuCli.kt

@@ -143,10 +143,11 @@ fun installModule(
 
 fun installBoot(
     bootUri: Uri?,
+    lkmUri: Uri?,
     ota: Boolean,
     onFinish: (Boolean) -> Unit,
     onStdout: (String) -> Unit,
-    onStderr: (String) -> Unit
+    onStderr: (String) -> Unit,
 ): Boolean {
     val resolver = ksuApp.contentResolver
 
@@ -161,6 +162,17 @@ fun installBoot(
         }
     }
 
+    val lkmFile = lkmUri?.let { uri ->
+        with(resolver.openInputStream(uri)) {
+            val lkmFile = File(ksuApp.cacheDir, "kernelsu-tmp-lkm.ko")
+            lkmFile.outputStream().use { output ->
+                this?.copyTo(output)
+            }
+
+            lkmFile
+        }
+    }
+
     val magiskboot = File(ksuApp.applicationInfo.nativeLibraryDir, "libmagiskboot.so")
     var cmd = "boot-patch --magiskboot ${magiskboot.absolutePath}"
 
@@ -175,6 +187,10 @@ fun installBoot(
         cmd += " -u"
     }
 
+    lkmFile?.let {
+        cmd += " -m ${it.absolutePath}"
+    }
+
     // output dir
     val downloadsDir =
         Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS)
@@ -200,6 +216,7 @@ fun installBoot(
     Log.i("KernelSU", "install boot result: ${result.isSuccess}")
 
     bootFile?.delete()
+    lkmFile?.delete()
 
     // if boot uri is empty, it is direct install, when success, we should show reboot button
     onFinish(bootUri == null && result.isSuccess)