Merge Magisk install zip into Magisk Manager

Distribute Magisk directly with Magisk Manager APK. The APK will
contain all required binaries and scripts for installation and
uninstallation. App versions will now align with Magisk releases.

Extra effort is spent to make the APK itself also a flashable zip that
can be used in custom recoveries, so those still prefer to install
Magisk with recoveries will not be affected with this change.

As a bonus, this makes the whole installation and uninstallation
process 100% offline. The existing Magisk Manager was not really
functional without an Internet connection, as the installation process
was highly tied to zips hosted on the server.

An additional bonus: since all binaries are now shipped as "native
libraries" of the APK, we can finally bump the target SDK version
higher than 28. The target SDK version was stuck at 28 for a long time
because newer SELinux restricts running executables from internal
storage. More details can be found here: https://github.com/termux/termux-app/issues/1072
The target SDK bump will be addressed in a future commit.

Co-authored with @vvb2060

app/.gitignore

@@ -6,6 +6,7 @@
 app/release
 *.hprof
 .externalNativeBuild/
-public.certificate.x509.pem
-private.key.pk8
 *.apk
+src/main/assets
+src/main/jniLibs
+src/main/resources

app/build.gradle.kts

@@ -1,3 +1,4 @@
+import org.apache.tools.ant.filters.FixCrLfFilter
 import java.io.PrintStream
 
 plugins {
@@ -22,8 +23,8 @@ android {
         applicationId = "com.topjohnwu.magisk"
         vectorDrawables.useSupportLibrary = true
         multiDexEnabled = true
-        versionName = Config.appVersion
-        versionCode = Config.appVersionCode
+        versionName = Config.version
+        versionCode = Config.versionCode
 
         javaCompileOptions.annotationProcessorOptions.arguments(
             mapOf("room.incremental" to "true")
@@ -51,13 +52,14 @@ android {
     }
 
     packagingOptions {
-        exclude("/META-INF/**")
+        exclude("/META-INF/*")
         exclude("/org/bouncycastle/**")
         exclude("/kotlin/**")
         exclude("/kotlinx/**")
         exclude("/okhttp3/**")
         exclude("/*.txt")
         exclude("/*.bin")
+        doNotStrip("**/*.so")
     }
 
     kotlinOptions {
@@ -65,10 +67,82 @@ android {
     }
 }
 
-tasks["preBuild"]?.dependsOn(tasks.register("copyUtils", Copy::class) {
-    from(rootProject.file("scripts/util_functions.sh"))
-    into("src/main/res/raw")
-})
+val syncLibs by tasks.registering(Sync::class) {
+    into("src/main/jniLibs")
+    into("armeabi-v7a") {
+        from(rootProject.file("native/out/armeabi-v7a")) {
+            include("busybox", "magiskboot", "magiskinit", "magisk")
+            rename { if (it == "magisk") "libmagisk32.so" else "lib$it.so" }
+        }
+        from(rootProject.file("native/out/arm64-v8a")) {
+            include("magisk")
+            rename { if (it == "magisk") "libmagisk64.so" else "lib$it.so" }
+        }
+    }
+    into("x86") {
+        from(rootProject.file("native/out/x86")) {
+            include("busybox", "magiskboot", "magiskinit", "magisk")
+            rename { if (it == "magisk") "libmagisk32.so" else "lib$it.so" }
+        }
+        from(rootProject.file("native/out/x86_64")) {
+            include("magisk")
+            rename { if (it == "magisk") "libmagisk64.so" else "lib$it.so" }
+        }
+    }
+    doFirst {
+        if (inputs.sourceFiles.files.size != 10)
+            throw StopExecutionException("Build binary files first")
+    }
+}
+
+val createStubLibs by tasks.registering {
+    dependsOn(syncLibs)
+    doLast {
+        val arm64 = project.file("src/main/jniLibs/arm64-v8a/libstub.so")
+        arm64.parentFile.mkdirs()
+        arm64.createNewFile()
+        val x64 = project.file("src/main/jniLibs/x86_64/libstub.so")
+        x64.parentFile.mkdirs()
+        x64.createNewFile()
+    }
+}
+
+val syncAssets by tasks.registering(Sync::class) {
+    dependsOn(createStubLibs)
+    inputs.property("version", Config.version)
+    inputs.property("versionCode", Config.versionCode)
+    into("src/main/assets")
+    from(rootProject.file("scripts")) {
+        include("util_functions.sh", "boot_patch.sh", "magisk_uninstaller.sh", "addon.d.sh")
+    }
+    into("chromeos") {
+        from(rootProject.file("tools/futility"))
+        from(rootProject.file("tools/keys")) {
+            include("kernel_data_key.vbprivk", "kernel.keyblock")
+        }
+    }
+    filesMatching("**/util_functions.sh") {
+        filter {
+            it.replace("#MAGISK_VERSION_STUB",
+                "MAGISK_VER='${Config.version}'\n" +
+                "MAGISK_VER_CODE=${Config.versionCode}")
+        }
+        filter<FixCrLfFilter>("eol" to FixCrLfFilter.CrLf.newInstance("lf"))
+    }
+}
+
+val syncResources by tasks.registering(Sync::class) {
+    dependsOn(syncAssets)
+    into("src/main/resources/META-INF/com/google/android")
+    from(rootProject.file("scripts/update_binary.sh")) {
+        rename { "update-binary" }
+    }
+    from(rootProject.file("scripts/flash_script.sh")) {
+        rename { "updater-script" }
+    }
+}
+
+tasks["preBuild"]?.dependsOn(syncResources)
 
 android.applicationVariants.all {
     val keysDir = rootProject.file("tools/keys")
@@ -178,6 +252,5 @@ dependencies {
     implementation("androidx.transition:transition:1.3.1")
     implementation("androidx.multidex:multidex:2.0.1")
     implementation("androidx.core:core-ktx:1.3.2")
-    implementation("androidx.localbroadcastmanager:localbroadcastmanager:1.0.0")
     implementation("com.google.android.material:material:1.2.1")
 }

app/src/main/AndroidManifest.xml

@@ -13,6 +13,8 @@
         android:icon="@drawable/ic_launcher"
         android:name="a.e"
         android:allowBackup="false"
+        android:multiArch="true"
+        android:extractNativeLibs="true"
         tools:ignore="UnusedAttribute,GoogleAppIndexingWarning">
 
         <!-- Splash -->

app/src/main/java/com/topjohnwu/magisk/core/App.kt

@@ -19,6 +19,7 @@ import com.topjohnwu.superuser.Shell
 import org.koin.android.ext.koin.androidContext
 import org.koin.core.context.startKoin
 import timber.log.Timber
+import java.io.File
 import kotlin.system.exitProcess
 
 open class App() : Application() {
@@ -61,6 +62,12 @@ open class App() : Application() {
         val wrapped = impl.wrap()
         super.attachBaseContext(wrapped)
 
+        val info = base.applicationInfo
+        val libDir = runCatching {
+            info.javaClass.getDeclaredField("secondaryNativeLibraryDir").get(info) as String?
+        }.getOrNull() ?: info.nativeLibraryDir
+        Const.NATIVE_LIB_DIR = File(libDir)
+
         // Normal startup
         startKoin {
             androidContext(wrapped)

app/src/main/java/com/topjohnwu/magisk/core/Const.kt

@@ -1,13 +1,30 @@
 package com.topjohnwu.magisk.core
 
+import android.os.Build
 import android.os.Process
+import java.io.File
 
+@Suppress("DEPRECATION")
 object Const {
 
+    val CPU_ABI: String
+    val CPU_ABI_32: String
+
+    init {
+        if (Build.VERSION.SDK_INT >= 21) {
+            CPU_ABI = Build.SUPPORTED_ABIS[0]
+            CPU_ABI_32 = Build.SUPPORTED_32_BIT_ABIS[0]
+        } else {
+            CPU_ABI = Build.CPU_ABI
+            CPU_ABI_32 = CPU_ABI
+        }
+    }
+
     // Paths
     lateinit var MAGISKTMP: String
+    lateinit var NATIVE_LIB_DIR: File
     val MAGISK_PATH get() = "$MAGISKTMP/modules"
-    const val TMP_FOLDER_PATH = "/dev/tmp"
+    const val TMPDIR = "/dev/tmp"
     const val MAGISK_LOG = "/cache/magisk.log"
 
     // Versions
@@ -19,11 +36,9 @@ object Const {
     val USER_ID = Process.myUid() / 100000
 
     object Version {
-        const val MIN_VERSION = "v19.0"
-        const val MIN_VERCODE = 19000
+        const val MIN_VERSION = "v20.4"
+        const val MIN_VERCODE = 20400
 
-        fun atLeast_20_2() = Info.env.magiskVersionCode >= 20200 || isCanary()
-        fun atLeast_20_4() = Info.env.magiskVersionCode >= 20400 || isCanary()
         fun atLeast_21_0() = Info.env.magiskVersionCode >= 21000 || isCanary()
         fun atLeast_21_2() = Info.env.magiskVersionCode >= 21200 || isCanary()
         fun isCanary() = Info.env.magiskVersionCode % 100 != 0

app/src/main/java/com/topjohnwu/magisk/core/download/Action.kt

@@ -1,31 +0,0 @@
-package com.topjohnwu.magisk.core.download
-
-import android.net.Uri
-import android.os.Parcelable
-import kotlinx.parcelize.Parcelize
-
-sealed class Action : Parcelable {
-
-    sealed class Flash : Action() {
-
-        @Parcelize
-        object Primary : Flash()
-
-        @Parcelize
-        object Secondary : Flash()
-
-    }
-
-    @Parcelize
-    object Download : Action()
-
-    @Parcelize
-    object Uninstall : Action()
-
-    @Parcelize
-    object EnvFix : Action()
-
-    @Parcelize
-    data class Patch(val fileUri: Uri) : Action()
-
-}

app/src/main/java/com/topjohnwu/magisk/core/download/BaseDownloader.kt

@@ -8,7 +8,6 @@ import androidx.lifecycle.MutableLiveData
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.core.ForegroundTracker
 import com.topjohnwu.magisk.core.base.BaseService
-import com.topjohnwu.magisk.core.utils.MediaStoreUtils.checkSum
 import com.topjohnwu.magisk.core.utils.MediaStoreUtils.outputStream
 import com.topjohnwu.magisk.core.utils.ProgressInputStream
 import com.topjohnwu.magisk.data.repository.NetworkService
@@ -69,17 +68,14 @@ abstract class BaseDownloader : BaseService(), KoinComponent {
     // -- Download logic
 
     private suspend fun Subject.startDownload() {
-        val skip = this is Subject.Magisk && file.checkSum("MD5", magisk.md5)
-        if (!skip) {
-            val stream = service.fetchFile(url).toProgressStream(this)
-            when (this) {
-                is Subject.Module ->  // Download and process on-the-fly
-                    stream.toModule(file, service.fetchInstaller().byteStream())
-                else -> {
-                    withStreams(stream, file.outputStream()) { it, out -> it.copyTo(out) }
-                    if (this is Subject.Manager)
-                        handleAPK(this)
-                }
+        val stream = service.fetchFile(url).toProgressStream(this)
+        when (this) {
+            is Subject.Module ->  // Download and process on-the-fly
+                stream.toModule(file, service.fetchInstaller().byteStream())
+            else -> {
+                withStreams(stream, file.outputStream()) { it, out -> it.copyTo(out) }
+                if (this is Subject.Manager)
+                    handleAPK(this)
             }
         }
         val newId = notifyFinish(this)

app/src/main/java/com/topjohnwu/magisk/core/download/DownloadService.kt

@@ -7,11 +7,10 @@ import android.content.Context
 import android.content.Intent
 import android.os.Build
 import androidx.core.net.toFile
-import com.topjohnwu.magisk.core.download.Action.*
-import com.topjohnwu.magisk.core.download.Action.Flash.Secondary
-import com.topjohnwu.magisk.core.download.Subject.*
+import com.topjohnwu.magisk.core.download.Action.Flash
+import com.topjohnwu.magisk.core.download.Subject.Manager
+import com.topjohnwu.magisk.core.download.Subject.Module
 import com.topjohnwu.magisk.core.intent
-import com.topjohnwu.magisk.core.tasks.EnvFixTask
 import com.topjohnwu.magisk.ui.flash.FlashFragment
 import com.topjohnwu.magisk.utils.APKInstall
 import kotlin.random.Random.Default.nextInt
@@ -22,25 +21,12 @@ open class DownloadService : BaseDownloader() {
     private val context get() = this
 
     override suspend fun onFinish(subject: Subject, id: Int) = when (subject) {
-        is Magisk -> subject.onFinish(id)
         is Module -> subject.onFinish(id)
         is Manager -> subject.onFinish(id)
     }
 
-    private suspend fun Magisk.onFinish(id: Int) = when (val action = action) {
-        Uninstall -> FlashFragment.uninstall(file, id)
-        EnvFix -> {
-            remove(id)
-            EnvFixTask(file).exec()
-            Unit
-        }
-        is Patch -> FlashFragment.patch(file, action.fileUri, id)
-        is Flash -> FlashFragment.flash(file, action is Secondary, id)
-        else -> Unit
-    }
-
     private fun Module.onFinish(id: Int) = when (action) {
-        is Flash -> FlashFragment.install(file, id)
+        Flash -> FlashFragment.install(file, id)
         else -> Unit
     }
 
@@ -53,22 +39,13 @@ open class DownloadService : BaseDownloader() {
 
     override fun Notification.Builder.setIntent(subject: Subject)
     = when (subject) {
-        is Magisk -> setIntent(subject)
         is Module -> setIntent(subject)
         is Manager -> setIntent(subject)
     }
 
-    private fun Notification.Builder.setIntent(subject: Magisk)
-    = when (val action = subject.action) {
-        Uninstall -> setContentIntent(FlashFragment.uninstallIntent(context, subject.file))
-        is Flash -> setContentIntent(FlashFragment.flashIntent(context, subject.file, action is Secondary))
-        is Patch -> setContentIntent(FlashFragment.patchIntent(context, subject.file, action.fileUri))
-        else -> setContentIntent(Intent())
-    }
-
     private fun Notification.Builder.setIntent(subject: Module)
     = when (subject.action) {
-        is Flash -> setContentIntent(FlashFragment.installIntent(context, subject.file))
+        Flash -> setContentIntent(FlashFragment.installIntent(context, subject.file))
         else -> setContentIntent(Intent())
     }
 

app/src/main/java/com/topjohnwu/magisk/core/download/Subject.kt

@@ -5,7 +5,6 @@ import android.net.Uri
 import android.os.Parcelable
 import androidx.core.net.toUri
 import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.model.MagiskJson
 import com.topjohnwu.magisk.core.model.ManagerJson
 import com.topjohnwu.magisk.core.model.StubJson
 import com.topjohnwu.magisk.core.model.module.OnlineModule
@@ -53,57 +52,12 @@ sealed class Subject : Parcelable {
         }
 
     }
-
-    abstract class Magisk : Subject() {
-
-        val magisk: MagiskJson = Info.remote.magisk
-
-        @Parcelize
-        private class Internal(
-            override val action: Action
-        ) : Magisk() {
-            override val url: String get() = magisk.link
-            override val title: String get() = "Magisk-${magisk.version}(${magisk.versionCode})"
-
-            @IgnoredOnParcel
-            override val file by lazy {
-                cachedFile("magisk.zip")
-            }
-        }
-
-        @Parcelize
-        private class Uninstall : Magisk() {
-            override val action get() = Action.Uninstall
-            override val url: String get() = Info.remote.uninstaller.link
-            override val title: String get() = "uninstall.zip"
-
-            @IgnoredOnParcel
-            override val file by lazy {
-                cachedFile(title)
-            }
-
-        }
-
-        @Parcelize
-        private class Download : Magisk() {
-            override val action get() = Action.Download
-            override val url: String get() = magisk.link
-            override val title: String get() = "Magisk-${magisk.version}(${magisk.versionCode}).zip"
-
-            @IgnoredOnParcel
-            override val file by lazy {
-                MediaStoreUtils.getFile(title).uri
-            }
-        }
-
-        companion object {
-            operator fun invoke(config: Action) = when (config) {
-                Action.Download -> Download()
-                Action.Uninstall -> Uninstall()
-                Action.EnvFix, is Action.Flash, is Action.Patch -> Internal(config)
-            }
-        }
-
-    }
-
+}
+
+sealed class Action : Parcelable {
+    @Parcelize
+    object Flash : Action()
+
+    @Parcelize
+    object Download : Action()
 }

app/src/main/java/com/topjohnwu/magisk/core/tasks/FlashZip.kt

@@ -2,14 +2,13 @@ package com.topjohnwu.magisk.core.tasks
 
 import android.content.Context
 import android.net.Uri
-import androidx.core.os.postDelayed
+import androidx.core.net.toFile
 import com.topjohnwu.magisk.core.Const
 import com.topjohnwu.magisk.core.utils.MediaStoreUtils.displayName
-import com.topjohnwu.magisk.core.utils.unzip
 import com.topjohnwu.magisk.core.utils.MediaStoreUtils.inputStream
+import com.topjohnwu.magisk.core.utils.unzip
 import com.topjohnwu.magisk.ktx.writeTo
 import com.topjohnwu.superuser.Shell
-import com.topjohnwu.superuser.internal.UiThreadHandler
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 import org.koin.core.KoinComponent
@@ -25,61 +24,50 @@ open class FlashZip(
     private val logs: MutableList<String>
 ): KoinComponent {
 
-    val context: Context by inject()
-    private val installFolder = File(context.cacheDir, "flash").apply {
-        if (!exists()) mkdirs()
-    }
-    private val tmpFile: File = File(installFolder, "install.zip")
-
-    @Throws(IOException::class)
-    private fun unzipAndCheck(): Boolean {
-        val parentFile = tmpFile.parentFile ?: return false
-        tmpFile.unzip(parentFile, "META-INF/com/google/android", true)
-
-        val updaterScript = File(parentFile, "updater-script")
-        return Shell
-            .su("grep -q '#MAGISK' $updaterScript")
-            .exec()
-            .isSuccess
-    }
+    private val context: Context by inject()
+    private val installDir = File(context.cacheDir, "flash")
+    private lateinit var zipFile: File
 
     @Throws(IOException::class)
     private fun flash(): Boolean {
-        console.add("- Copying zip to temp directory")
+        installDir.deleteRecursively()
+        installDir.mkdirs()
 
-        runCatching {
-            mUri.inputStream().writeTo(tmpFile)
-        }.getOrElse {
-            when (it) {
-                is FileNotFoundException -> console.add("! Invalid Uri")
-                is IOException -> console.add("! Cannot copy to cache")
+        zipFile = if (mUri.scheme == "file") {
+            mUri.toFile()
+        } else {
+            File(installDir, "install.zip").also {
+                console.add("- Copying zip to temp directory")
+                try {
+                    mUri.inputStream().writeTo(it)
+                } catch (e: IOException) {
+                    when (e) {
+                        is FileNotFoundException -> console.add("! Invalid Uri")
+                        else -> console.add("! Cannot copy to cache")
+                    }
+                    throw e
+                }
             }
-            throw it
         }
 
-        val isMagiskModule = runCatching {
-            unzipAndCheck()
+        val isValid = runCatching {
+            zipFile.unzip(installDir, "META-INF/com/google/android", true)
+            val script = File(installDir, "updater-script")
+            script.readText().contains("#MAGISK")
         }.getOrElse {
             console.add("! Unzip error")
             throw it
         }
 
-        if (!isMagiskModule) {
-            console.add("! This zip is not a Magisk Module!")
+        if (!isValid) {
+            console.add("! This zip is not a Magisk module!")
             return false
         }
 
         console.add("- Installing ${mUri.displayName}")
 
-        val parentFile = tmpFile.parent ?: return false
-
-        return Shell
-            .su(
-                "cd $parentFile",
-                "BOOTMODE=true sh update-binary dummy 1 $tmpFile"
-            )
-            .to(console, logs)
-            .exec().isSuccess
+        return Shell.su("sh $installDir/update-binary dummy 1 $zipFile")
+            .to(console, logs).exec().isSuccess
     }
 
     open suspend fun exec() = withContext(Dispatchers.IO) {
@@ -94,25 +82,7 @@ open class FlashZip(
             Timber.e(e)
             false
         } finally {
-            Shell.su("cd /", "rm -rf ${tmpFile.parent} ${Const.TMP_FOLDER_PATH}").submit()
+            Shell.su("cd /", "rm -rf $installDir ${Const.TMPDIR}").submit()
         }
     }
-
-    class Uninstall(
-        uri: Uri,
-        console: MutableList<String>,
-        log: MutableList<String>
-    ) : FlashZip(uri, console, log) {
-
-        override suspend fun exec(): Boolean {
-            val success = super.exec()
-            if (success) {
-                UiThreadHandler.handler.postDelayed(3000) {
-                    Shell.su("pm uninstall " + context.packageName).exec()
-                }
-            }
-            return success
-        }
-    }
-
 }

app/src/main/java/com/topjohnwu/magisk/core/tasks/HideAPK.kt

@@ -91,8 +91,7 @@ object HideAPK {
     }
 
     private suspend fun patchAndHide(context: Context, label: String): Boolean {
-        val dlStub = !isRunningAsStub && SDK_INT >= 28 && Const.Version.atLeast_20_2()
-        val src = if (dlStub) {
+        val src = if (!isRunningAsStub && SDK_INT >= 28) {
             val stub = File(context.cacheDir, "stub.apk")
             try {
                 svc.fetchFile(Info.remote.stub.link).byteStream().use {

app/src/main/java/com/topjohnwu/magisk/core/tasks/MagiskInstaller.kt

@@ -1,25 +1,25 @@
 package com.topjohnwu.magisk.core.tasks
 
 import android.content.Context
-import android.content.Intent
 import android.net.Uri
-import android.os.Build
 import android.widget.Toast
 import androidx.annotation.WorkerThread
 import androidx.core.os.postDelayed
-import androidx.localbroadcastmanager.content.LocalBroadcastManager
 import com.topjohnwu.magisk.BuildConfig
+import com.topjohnwu.magisk.DynAPK
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.core.Config
-import com.topjohnwu.magisk.core.Info
+import com.topjohnwu.magisk.core.Const
+import com.topjohnwu.magisk.core.isRunningAsStub
 import com.topjohnwu.magisk.core.utils.MediaStoreUtils
 import com.topjohnwu.magisk.core.utils.MediaStoreUtils.inputStream
 import com.topjohnwu.magisk.core.utils.MediaStoreUtils.outputStream
 import com.topjohnwu.magisk.data.repository.NetworkService
 import com.topjohnwu.magisk.di.Protected
-import com.topjohnwu.magisk.events.dialog.EnvFixDialog
 import com.topjohnwu.magisk.ktx.reboot
+import com.topjohnwu.magisk.ktx.symlink
 import com.topjohnwu.magisk.ktx.withStreams
+import com.topjohnwu.magisk.ktx.writeTo
 import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.signing.SignBoot
 import com.topjohnwu.superuser.Shell
@@ -37,7 +37,6 @@ import org.kamranzafar.jtar.TarHeader
 import org.kamranzafar.jtar.TarInputStream
 import org.kamranzafar.jtar.TarOutputStream
 import org.koin.core.KoinComponent
-import org.koin.core.get
 import org.koin.core.inject
 import timber.log.Timber
 import java.io.*
@@ -46,10 +45,8 @@ import java.security.SecureRandom
 import java.util.*
 import java.util.zip.ZipEntry
 import java.util.zip.ZipInputStream
-import kotlin.collections.set
 
 abstract class MagiskInstallImpl protected constructor(
-    private var zipUri: Uri,
     protected val console: MutableList<String> = NOPList.getInstance(),
     private val logs: MutableList<String> = NOPList.getInstance()
 ) : KoinComponent {
@@ -59,17 +56,7 @@ abstract class MagiskInstallImpl protected constructor(
 
     private var tarOut: TarOutputStream? = null
     private val service: NetworkService by inject()
-    protected val context: Context by inject()
-
-    companion object {
-        private val ABI_MAP = TreeMap<String, String>()
-        init {
-            ABI_MAP["armeabi-v7a"] = "arm"
-            ABI_MAP["arm64-v8a"] = "arm64"
-            ABI_MAP["x86"] = "x86"
-            ABI_MAP["x86_64"] = "x64"
-        }
-    }
+    protected val context: Context by inject(Protected)
 
     private fun findImage(): Boolean {
         srcBoot = "find_boot_image; echo \"\$BOOTIMAGE\"".fsh()
@@ -98,69 +85,85 @@ abstract class MagiskInstallImpl protected constructor(
         return true
     }
 
-    @Suppress("DEPRECATION")
-    private fun extractZip(): Boolean {
-        val arch: String
-        val arch32: String
-        if (Build.VERSION.SDK_INT >= 21) {
-            arch = ABI_MAP[Build.SUPPORTED_ABIS[0]]!!
-            arch32 = ABI_MAP[Build.SUPPORTED_32_BIT_ABIS[0]]!!
+    private fun installDirFile(name: String): File {
+        return if (installDir is SuFile)
+            SuFile(installDir, name)
+        else
+            File(installDir, name)
+    }
+
+    private fun extractFiles(): Boolean {
+        console.add("- Device platform: ${Const.CPU_ABI}")
+        console.add("- Installing: ${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})")
+
+        val binDir = File(context.filesDir.parent, "install")
+        binDir.deleteRecursively()
+        binDir.mkdirs()
+
+        installDir = if (Shell.rootAccess()) {
+            SuFile("${Const.TMPDIR}/install")
         } else {
-            arch = ABI_MAP[Build.CPU_ABI]!!
-            arch32 = arch
-        }
-
-        console.add("- Device platform: $arch")
-        console.add("- Magisk Manager: ${BuildConfig.VERSION_NAME} (${BuildConfig.VERSION_CODE})")
-        console.add("- Install target: ${Info.remote.magisk.version} (${Info.remote.magisk.versionCode})")
-
-        fun newFile(name: String): File {
-            return if (installDir is SuFile)
-                SuFile(installDir, name)
-            else
-                File(installDir, name)
+            binDir
         }
 
         try {
-            ZipInputStream(zipUri.inputStream().buffered()).use { zi ->
-                lateinit var ze: ZipEntry
-                while (zi.nextEntry?.let { ze = it } != null) {
-                    if (ze.isDirectory)
-                        continue
+            // Extract binaries
+            if (isRunningAsStub) {
+                ZipInputStream(DynAPK.current(context).inputStream().buffered()).use { zi ->
+                    lateinit var ze: ZipEntry
+                    while (zi.nextEntry?.let { ze = it } != null) {
+                        if (ze.isDirectory)
+                            continue
 
-                    var name: String? = null
-
-                    if (ze.name.startsWith("chromeos/")) {
-                        name = ze.name
-                    } else {
-                        for (n in listOf("$arch32/", "common/", "META-INF/com/google/android/update-binary")) {
-                            if (ze.name.startsWith(n)) {
-                                name = ze.name.substring(ze.name.lastIndexOf('/') + 1)
-                                break
-                            }
+                        val name = if (ze.name.startsWith("lib/${Const.CPU_ABI_32}/")) {
+                            val n = ze.name.substring(ze.name.lastIndexOf('/') + 1)
+                            n.substring(3, n.length - 3)
+                        } else {
+                            continue
                         }
+
+                        val dest = File(binDir, name)
+                        dest.outputStream().use { zi.copyTo(it) }
                     }
-
-                    name ?: continue
-
-                    val dest = newFile(name)
-                    dest.parentFile!!.mkdirs()
-                    SuFileOutputStream(dest).use { s -> zi.copyTo(s) }
+                }
+            } else {
+                val libs = Const.NATIVE_LIB_DIR.listFiles { _, name ->
+                    name.startsWith("lib") && name.endsWith(".so")
+                } ?: emptyArray()
+                for (lib in libs) {
+                    val name = lib.name.substring(3, lib.name.length - 3)
+                    val bin = File(binDir, name)
+                    symlink(lib.path, bin.path)
                 }
             }
-        } catch (e: IOException) {
-            console.add("! Cannot unzip zip")
+
+            // Extract scripts
+            for (script in listOf("util_functions.sh", "boot_patch.sh", "addon.d.sh")) {
+                val dest = File(binDir, script)
+                context.assets.open(script).use { it.writeTo(dest) }
+            }
+            // Extract chromeos tools
+            File(binDir, "chromeos").mkdir()
+            for (file in listOf("futility", "kernel_data_key.vbprivk", "kernel.keyblock")) {
+                val name = "chromeos/$file"
+                val dest = File(binDir, name)
+                context.assets.open(name).use { it.writeTo(dest) }
+            }
+        } catch (e: Exception) {
+            console.add("! Unable to extract files")
             Timber.e(e)
             return false
         }
 
-        val init64 = newFile("magiskinit64")
-        if (init64.exists() && arch != arch32) {
-            init64.renameTo(newFile("magiskinit"))
-        } else {
-            init64.delete()
+        if (installDir !== binDir) {
+            arrayOf(
+                "rm -rf $installDir",
+                "mkdir -p $installDir",
+                "cp_readlink $binDir $installDir",
+                "rm -rf $binDir"
+            ).sh()
         }
-        "cd $installDir; chmod 755 *".sh()
+
         return true
     }
 
@@ -177,7 +180,7 @@ abstract class MagiskInstallImpl protected constructor(
             lateinit var entry: TarEntry
 
             fun decompressedStream() =
-                if (entry.name.contains(".lz4")) LZ4FrameInputStream(tarIn) else tarIn
+                if (entry.name.endsWith(".lz4")) LZ4FrameInputStream(tarIn) else tarIn
 
             while (tarIn.nextEntry?.let { entry = it } != null) {
                 if (entry.name.contains("boot.img") ||
@@ -186,12 +189,9 @@ abstract class MagiskInstallImpl protected constructor(
                     console.add("-- Extracting: $name")
 
                     val extract = File(installDir, name)
-                    FileOutputStream(extract).use { decompressedStream().copyTo(it) }
+                    decompressedStream().writeTo(extract)
                 } else if (entry.name.contains("vbmeta.img")) {
-                    val rawData = ByteArrayOutputStream().let {
-                        decompressedStream().copyTo(it)
-                        it.toByteArray()
-                    }
+                    val rawData = decompressedStream().readBytes()
                     // Valid vbmeta.img should be at least 256 bytes
                     if (rawData.size < 256)
                         continue
@@ -208,8 +208,8 @@ abstract class MagiskInstallImpl protected constructor(
                     tarIn.copyTo(tarOut, bufferSize = 1024 * 1024)
                 }
             }
-            val boot = SuFile.open(installDir, "boot.img")
-            val recovery = SuFile.open(installDir, "recovery.img")
+            val boot = installDirFile("boot.img")
+            val recovery = installDirFile("recovery.img")
             if (Config.recovery && recovery.exists() && boot.exists()) {
                 // Install Magisk to recovery
                 srcBoot = recovery.path
@@ -306,10 +306,19 @@ abstract class MagiskInstallImpl protected constructor(
             return false
         }
 
+        // Fix up binaries
+        if (installDir is SuFile) {
+            "fix_env $installDir".sh()
+        } else {
+            "cp_readlink $installDir".sh()
+        }
+
         return true
     }
 
     private fun patchBoot(): Boolean {
+        "cd $installDir".sh()
+
         var srcNand = ""
         if ("[ -c $srcBoot ] && nanddump -f boot.img $srcBoot".sh().isSuccess) {
             srcNand = srcBoot
@@ -334,26 +343,20 @@ abstract class MagiskInstallImpl protected constructor(
             "KEEPVERITY=${Config.keepVerity} " +
             "RECOVERYMODE=${Config.recovery}"
 
-        if (!("$FLAGS sh update-binary sh boot_patch.sh $srcBoot").sh().isSuccess) {
+        if (!"$FLAGS sh boot_patch.sh $srcBoot".sh().isSuccess)
             return false
-        }
 
-        if (srcNand.isNotEmpty()) {
+        if (srcNand.isNotEmpty())
             srcBoot = srcNand
-        }
 
-        val job = Shell.sh(
-            "./magiskboot cleanup",
-            "mv bin/busybox busybox",
-            "rm -rf magisk.apk bin boot.img update-binary",
-            "cd /")
+        val job = Shell.sh("./magiskboot cleanup", "cd /")
 
-        val patched = File(installDir, "new-boot.img")
+        val patched = installDirFile("new-boot.img")
         if (isSigned) {
             console.add("- Signing boot image with verity keys")
-            val signed = File(installDir, "signed.img")
+            val signed = installDirFile("signed.img")
             try {
-                withStreams(SuFileInputStream(patched), signed.outputStream().buffered()) {
+                withStreams(SuFileInputStream(patched), SuFileOutputStream(signed)) {
                     input, out -> SignBoot.doSignature(null, null, input, out, "/boot")
                 }
             } catch (e: IOException) {
@@ -368,18 +371,10 @@ abstract class MagiskInstallImpl protected constructor(
         return true
     }
 
-    private fun copySepolicyRules(): Boolean {
-        if (Info.remote.magisk.versionCode >= 21100) {
-            // Copy existing rules for migration
-            "copy_sepolicy_rules".sh()
-        }
-        return true
-    }
-
     private fun flashBoot(): Boolean {
         if (!"direct_install $installDir $srcBoot".sh().isSuccess)
             return false
-        "run_migrations".sh()
+        arrayOf("run_migrations", "copy_sepolicy_rules").sh()
         return true
     }
 
@@ -403,24 +398,28 @@ abstract class MagiskInstallImpl protected constructor(
         return true
     }
 
-    protected fun String.sh() = Shell.sh(this).to(console, logs).exec()
+    protected fun uninstall(): Boolean {
+        val apk = if (isRunningAsStub) {
+            DynAPK.current(context).path
+        } else {
+            context.packageCodePath
+        }
+        return "run_uninstaller $apk".sh().isSuccess
+    }
+
+    private fun String.sh() = Shell.sh(this).to(console, logs).exec()
     private fun Array<String>.sh() = Shell.sh(*this).to(console, logs).exec()
     private fun String.fsh() = ShellUtils.fastCmd(this)
     private fun Array<String>.fsh() = ShellUtils.fastCmd(*this)
 
-    protected fun doPatchFile(patchFile: Uri) = extractZip() && handleFile(patchFile)
+    protected fun doPatchFile(patchFile: Uri) = extractFiles() && handleFile(patchFile)
 
-    protected fun direct() = findImage() && extractZip() && patchBoot() &&
-        copySepolicyRules() && flashBoot()
+    protected fun direct() = findImage() && extractFiles() && patchBoot() && flashBoot()
 
-    protected suspend fun secondSlot() = findSecondaryImage() && extractZip() &&
-        patchBoot() && copySepolicyRules() && flashBoot() && postOTA()
+    protected suspend fun secondSlot() =
+        findSecondaryImage() && extractFiles() && patchBoot() && flashBoot() && postOTA()
 
-    protected fun fixEnv(): Boolean {
-        installDir = SuFile("/data/adb/magisk")
-        Shell.su("rm -rf /data/adb/magisk/*").exec()
-        return extractZip() && Shell.su("fix_env").exec().isSuccess
-    }
+    protected fun fixEnv() = extractFiles() && "fix_env $installDir".sh().isSuccess
 
     @WorkerThread
     protected abstract suspend fun operations(): Boolean
@@ -429,85 +428,84 @@ abstract class MagiskInstallImpl protected constructor(
 }
 
 abstract class MagiskInstaller(
-    zip: Uri,
     console: MutableList<String>,
     logs: MutableList<String>
-) : MagiskInstallImpl(zip, console, logs) {
-
-    init {
-        installDir = File(get<Context>(Protected).filesDir.parent, "install")
-        "rm -rf $installDir".sh()
-        installDir.mkdirs()
-    }
+) : MagiskInstallImpl(console, logs) {
 
     override suspend fun exec(): Boolean {
         val success = super.exec()
         if (success) {
             console.add("- All done!")
         } else {
-            Shell.sh("rm -rf $installDir").submit()
+            if (installDir is SuFile) {
+                Shell.sh("rm -rf ${Const.TMPDIR}").submit()
+            } else {
+                Shell.sh("rm -rf $installDir").submit()
+            }
             console.add("! Installation failed")
         }
         return success
     }
 
     class Patch(
-        zip: Uri,
         private val uri: Uri,
         console: MutableList<String>,
         logs: MutableList<String>
-    ) : MagiskInstaller(zip, console, logs) {
+    ) : MagiskInstaller(console, logs) {
         override suspend fun operations() = doPatchFile(uri)
     }
 
     class SecondSlot(
-        zip: Uri,
         console: MutableList<String>,
         logs: MutableList<String>
-    ) : MagiskInstaller(zip, console, logs) {
+    ) : MagiskInstaller(console, logs) {
         override suspend fun operations() = secondSlot()
     }
 
     class Direct(
-        zip: Uri,
         console: MutableList<String>,
         logs: MutableList<String>
-    ) : MagiskInstaller(zip, console, logs) {
+    ) : MagiskInstaller(console, logs) {
         override suspend fun operations() = direct()
     }
 
     class Emulator(
-        zip: Uri,
         console: MutableList<String>,
         logs: MutableList<String>
-    ) : MagiskInstallImpl(zip, console, logs) {
+    ) : MagiskInstaller(console, logs) {
         override suspend fun operations() = fixEnv()
+    }
+
+    class Uninstall(
+        console: MutableList<String>,
+        logs: MutableList<String>
+    ) : MagiskInstallImpl(console, logs) {
+        override suspend fun operations() = uninstall()
 
         override suspend fun exec(): Boolean {
             val success = super.exec()
             if (success) {
-                console.add("- All done!")
-            } else {
-                console.add("! Installation failed")
+                UiThreadHandler.handler.postDelayed(3000) {
+                    Shell.su("pm uninstall ${context.packageName}").exec()
+                }
             }
             return success
         }
     }
-}
 
-class EnvFixTask(zip: Uri) : MagiskInstallImpl(zip) {
+    class FixEnv(private val callback: () -> Unit) : MagiskInstallImpl() {
+        override suspend fun operations() = fixEnv()
 
-    override suspend fun operations() = fixEnv()
-
-    override suspend fun exec(): Boolean {
-        val success = super.exec()
-        LocalBroadcastManager.getInstance(context).sendBroadcast(Intent(EnvFixDialog.DISMISS))
-        Utils.toast(
-            if (success) R.string.reboot_delay_toast else R.string.setup_fail,
-            Toast.LENGTH_LONG
-        )
-        if (success)
-            UiThreadHandler.handler.postDelayed(5000) { reboot() }
-        return success
+        override suspend fun exec(): Boolean {
+            val success = super.exec()
+            callback()
+            Utils.toast(
+                if (success) R.string.reboot_delay_toast else R.string.setup_fail,
+                Toast.LENGTH_LONG
+            )
+            if (success)
+                UiThreadHandler.handler.postDelayed(5000) { reboot() }
+            return success
+        }
     }
 }

app/src/main/java/com/topjohnwu/magisk/core/utils/RootInit.kt

@@ -2,14 +2,17 @@ package com.topjohnwu.magisk.core.utils
 
 import android.content.Context
 import android.os.Build
+import com.topjohnwu.magisk.DynAPK
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.core.Config
-import com.topjohnwu.magisk.core.Const
-import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.wrap
+import com.topjohnwu.magisk.core.*
+import com.topjohnwu.magisk.ktx.cachedFile
+import com.topjohnwu.magisk.ktx.deviceProtectedContext
 import com.topjohnwu.magisk.ktx.rawResource
+import com.topjohnwu.magisk.ktx.writeTo
 import com.topjohnwu.superuser.Shell
 import com.topjohnwu.superuser.ShellUtils
+import java.io.File
+import java.util.jar.JarFile
 
 class RootInit : Shell.Initializer() {
 
@@ -17,31 +20,50 @@ class RootInit : Shell.Initializer() {
         return init(context.wrap(), shell)
     }
 
-    fun init(context: Context, shell: Shell): Boolean {
-        shell.newJob().apply {
-            add("export SDK_INT=${Build.VERSION.SDK_INT}")
-            if (Const.Version.atLeast_20_4()) {
-                add("export MAGISKTMP=\$(magisk --path)/.magisk")
-            } else {
-                add("export MAGISKTMP=/sbin/.magisk")
-            }
-            if (Const.Version.atLeast_21_0()) {
-                add("export ASH_STANDALONE=1")
-                add("[ -x /data/adb/magisk/busybox ] && exec /data/adb/magisk/busybox sh")
-            } else {
-                add("export PATH=\"\$MAGISKTMP/busybox:\$PATH\"")
-            }
-            add(context.rawResource(R.raw.manager))
-            if (shell.isRoot) {
-                add(context.rawResource(R.raw.util_functions))
-            }
-            add("mm_init")
-        }.exec()
+    private fun init(context: Context, shell: Shell): Boolean {
 
         fun fastCmd(cmd: String) = ShellUtils.fastCmd(shell, cmd)
         fun getVar(name: String) = fastCmd("echo \$$name")
         fun getBool(name: String) = getVar(name).toBoolean()
 
+        shell.newJob().apply {
+            add("export SDK_INT=${Build.VERSION.SDK_INT}")
+            add("export ASH_STANDALONE=1")
+
+            val localBB: File
+            if (isRunningAsStub) {
+                val jar = JarFile(DynAPK.current(context))
+                val bb = jar.getJarEntry("lib/${Const.CPU_ABI_32}/libbusybox.so")
+                localBB = context.deviceProtectedContext.cachedFile("busybox")
+                jar.getInputStream(bb).writeTo(localBB)
+                localBB.setExecutable(true)
+            } else {
+                localBB = File(Const.NATIVE_LIB_DIR, "libbusybox.so")
+            }
+
+            if (!shell.isRoot) {
+                // Directly execute the file
+                add("exec $localBB sh")
+            } else {
+                // Copy it out of /data to workaround Samsung BS
+                add(
+                    "export MAGISKTMP=\$(magisk --path)/.magisk",
+                    "if [ -x \$MAGISKTMP/busybox/busybox ]; then",
+                    "  cp -af $localBB \$MAGISKTMP/busybox/busybox",
+                    "  exec \$MAGISKTMP/busybox/busybox sh",
+                    "else",
+                    "  exec $localBB sh",
+                    "fi"
+                )
+            }
+
+            add(context.rawResource(R.raw.manager))
+            if (shell.isRoot) {
+                add(context.assets.open("util_functions.sh"))
+            }
+            add("mm_init")
+        }.exec()
+
         Const.MAGISKTMP = getVar("MAGISKTMP")
         Info.isSAR = getBool("SYSTEM_ROOT")
         Info.ramdisk = getBool("RAMDISKEXIST")

app/src/main/java/com/topjohnwu/magisk/events/ViewEvents.kt

@@ -110,7 +110,7 @@ class SelectModuleEvent : ViewEvent(), FragmentExecutor {
                 activity.startActivityForResult(intent, Const.ID.FETCH_ZIP) { code, intent ->
                     if (code == Activity.RESULT_OK && intent != null) {
                         intent.data?.also {
-                            MainDirections.actionFlashFragment(it, Const.Value.FLASH_ZIP).navigate()
+                            MainDirections.actionFlashFragment(Const.Value.FLASH_ZIP, it).navigate()
                         }
                     }
                 }

app/src/main/java/com/topjohnwu/magisk/events/dialog/DialogEvent.kt

@@ -10,7 +10,9 @@ abstract class DialogEvent : ViewEvent(), ActivityExecutor {
     protected lateinit var dialog: MagiskDialog
 
     override fun invoke(activity: BaseUIActivity<*, *>) {
-        dialog = MagiskDialog(activity).apply(this::build).reveal()
+        dialog = MagiskDialog(activity)
+            .apply { setOwnerActivity(activity) }
+            .apply(this::build).reveal()
     }
 
     abstract fun build(dialog: MagiskDialog)

app/src/main/java/com/topjohnwu/magisk/events/dialog/EnvFixDialog.kt

@@ -1,15 +1,11 @@
 package com.topjohnwu.magisk.events.dialog
 
-import android.content.BroadcastReceiver
-import android.content.Context
-import android.content.Intent
-import android.content.IntentFilter
-import androidx.localbroadcastmanager.content.LocalBroadcastManager
+import androidx.lifecycle.lifecycleScope
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.core.download.Action.EnvFix
-import com.topjohnwu.magisk.core.download.DownloadService
-import com.topjohnwu.magisk.core.download.Subject.Magisk
+import com.topjohnwu.magisk.core.base.BaseActivity
+import com.topjohnwu.magisk.core.tasks.MagiskInstaller
 import com.topjohnwu.magisk.view.MagiskDialog
+import kotlinx.coroutines.launch
 
 class EnvFixDialog : DialogEvent() {
 
@@ -24,20 +20,17 @@ class EnvFixDialog : DialogEvent() {
                     .applyMessage(R.string.setup_msg)
                     .resetButtons()
                     .cancellable(false)
-                val lbm = LocalBroadcastManager.getInstance(dialog.context)
-                lbm.registerReceiver(object : BroadcastReceiver() {
-                    override fun onReceive(context: Context, intent: Intent?) {
+                (dialog.ownerActivity as BaseActivity).lifecycleScope.launch {
+                    MagiskInstaller.FixEnv {
                         dialog.dismiss()
-                        lbm.unregisterReceiver(this)
-                    }
-                }, IntentFilter(DISMISS))
-                DownloadService.start(dialog.context, Magisk(EnvFix))
+                    }.exec()
+                }
             }
         }
         .applyButton(MagiskDialog.ButtonType.NEGATIVE) {
             titleRes = android.R.string.cancel
         }
-        .let { Unit }
+        .let { }
 
     companion object {
         const val DISMISS = "com.topjohnwu.magisk.ENV_DONE"

app/src/main/java/com/topjohnwu/magisk/events/dialog/ModuleInstallDialog.kt

@@ -14,7 +14,7 @@ class ModuleInstallDialog(private val item: OnlineModule) : DialogEvent() {
         with(dialog) {
 
             fun download(install: Boolean) {
-                val config = if (install) Action.Flash.Primary else Action.Download
+                val config = if (install) Action.Flash else Action.Download
                 val subject = Subject.Module(item, config)
                 DownloadService.start(context, subject)
             }

app/src/main/java/com/topjohnwu/magisk/events/dialog/UninstallDialog.kt

@@ -4,9 +4,7 @@ import android.app.ProgressDialog
 import android.widget.Toast
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.download.Action
-import com.topjohnwu.magisk.core.download.DownloadService
-import com.topjohnwu.magisk.core.download.Subject
+import com.topjohnwu.magisk.ui.flash.FlashFragment
 import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.magisk.view.MagiskDialog
 import com.topjohnwu.superuser.Shell
@@ -46,7 +44,7 @@ class UninstallDialog : DialogEvent() {
     }
 
     private fun completeUninstall() {
-        DownloadService.start(dialog.context, Subject.Magisk(Action.Uninstall))
+        FlashFragment.uninstall()
     }
 
 }

app/src/main/java/com/topjohnwu/magisk/ktx/XAndroid.kt

@@ -23,6 +23,7 @@ import android.graphics.drawable.LayerDrawable
 import android.net.Uri
 import android.os.Build
 import android.os.Build.VERSION.SDK_INT
+import android.system.Os
 import android.text.PrecomputedText
 import android.view.View
 import android.view.ViewGroup
@@ -59,6 +60,20 @@ import java.lang.reflect.Array as JArray
 
 val packageName: String get() = get<Context>().packageName
 
+fun symlink(oldPath: String, newPath: String) {
+    if (SDK_INT >= 21) {
+        Os.symlink(oldPath, newPath)
+    } else {
+        // Just copy the files pre 5.0
+        val old = File(oldPath)
+        val newFile = File(newPath)
+        old.copyTo(newFile)
+        if (old.canExecute())
+            newFile.setExecutable(true)
+    }
+
+}
+
 val ServiceInfo.isIsolated get() = (flags and FLAG_ISOLATED_PROCESS) != 0
 
 @get:SuppressLint("InlinedApi")
@@ -83,6 +98,11 @@ fun Context.getBitmap(id: Int): Bitmap {
     return bitmap
 }
 
+val Context.deviceProtectedContext: Context get() =
+    if (SDK_INT >= 24) {
+        createDeviceProtectedStorageContext()
+    } else { this }
+
 fun Intent.startActivity(context: Context) = context.startActivity(this)
 
 fun Intent.startActivityWithRoot() {

app/src/main/java/com/topjohnwu/magisk/ui/flash/FlashFragment.kt

@@ -17,13 +17,12 @@ import com.topjohnwu.magisk.ui.MainActivity
 import org.koin.androidx.viewmodel.ext.android.viewModel
 import org.koin.core.parameter.parametersOf
 import com.topjohnwu.magisk.MainDirections.Companion.actionFlashFragment as toFlash
-import com.topjohnwu.magisk.ui.flash.FlashFragmentArgs as args
 
 class FlashFragment : BaseUIFragment<FlashViewModel, FragmentFlashMd2Binding>() {
 
     override val layoutRes = R.layout.fragment_flash_md2
     override val viewModel by viewModel<FlashViewModel> {
-        parametersOf(args.fromBundle(requireArguments()))
+        parametersOf(FlashFragmentArgs.fromBundle(requireArguments()))
     }
 
     private var defaultOrientation = -1
@@ -78,7 +77,7 @@ class FlashFragment : BaseUIFragment<FlashViewModel, FragmentFlashMd2Binding>()
 
     companion object {
 
-        private fun createIntent(context: Context, args: args) =
+        private fun createIntent(context: Context, args: FlashFragmentArgs) =
             NavDeepLinkBuilder(context)
                 .setGraph(R.navigation.main)
                 .setComponentName(MainActivity::class.java.cmp(context.packageName))
@@ -91,59 +90,34 @@ class FlashFragment : BaseUIFragment<FlashViewModel, FragmentFlashMd2Binding>()
 
         /* Flashing is understood as installing / flashing magisk itself */
 
-        fun flashIntent(context: Context, file: Uri, isSecondSlot: Boolean, id: Int = -1) = args(
-            installer = file,
-            action = flashType(isSecondSlot),
-            dismissId = id
-        ).let { createIntent(context, it) }
-
-        fun flash(file: Uri, isSecondSlot: Boolean, id: Int) = toFlash(
-            installer = file,
-            action = flashType(isSecondSlot),
-            dismissId = id
+        fun flash(isSecondSlot: Boolean) = toFlash(
+            action = flashType(isSecondSlot)
         ).let { BaseUIActivity.postDirections(it) }
 
         /* Patching is understood as injecting img files with magisk */
 
-        fun patchIntent(context: Context, file: Uri, uri: Uri, id: Int = -1) = args(
-            installer = file,
+        fun patch(uri: Uri) = toFlash(
             action = Const.Value.PATCH_FILE,
-            additionalData = uri,
-            dismissId = id
-        ).let { createIntent(context, it) }
-
-        fun patch(file: Uri, uri: Uri, id: Int) = toFlash(
-            installer = file,
-            action = Const.Value.PATCH_FILE,
-            additionalData = uri,
-            dismissId = id
+            additionalData = uri
         ).let { BaseUIActivity.postDirections(it) }
 
         /* Uninstalling is understood as removing magisk entirely */
 
-        fun uninstallIntent(context: Context, file: Uri, id: Int = -1) = args(
-            installer = file,
-            action = Const.Value.UNINSTALL,
-            dismissId = id
-        ).let { createIntent(context, it) }
-
-        fun uninstall(file: Uri, id: Int) = toFlash(
-            installer = file,
-            action = Const.Value.UNINSTALL,
-            dismissId = id
+        fun uninstall() = toFlash(
+            action = Const.Value.UNINSTALL
         ).let { BaseUIActivity.postDirections(it) }
 
         /* Installing is understood as flashing modules / zips */
 
-        fun installIntent(context: Context, file: Uri, id: Int = -1) = args(
-            installer = file,
+        fun installIntent(context: Context, file: Uri, id: Int = -1) = FlashFragmentArgs(
             action = Const.Value.FLASH_ZIP,
+            additionalData = file,
             dismissId = id
         ).let { createIntent(context, it) }
 
         fun install(file: Uri, id: Int) = toFlash(
-            installer = file,
             action = Const.Value.FLASH_ZIP,
+            additionalData = file,
             dismissId = id
         ).let { BaseUIActivity.postDirections(it) }
     }

app/src/main/java/com/topjohnwu/magisk/ui/flash/FlashViewModel.kt

@@ -27,9 +27,7 @@ import com.topjohnwu.superuser.Shell
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 
-class FlashViewModel(
-    args: FlashFragmentArgs
-) : BaseViewModel() {
+class FlashViewModel(args: FlashFragmentArgs) : BaseViewModel() {
 
     @get:Bindable
     var showReboot = Shell.rootAccess()
@@ -52,36 +50,35 @@ class FlashViewModel(
     }
 
     init {
-        args.dismissId.takeIf { it != -1 }?.also {
-            Notifications.mgr.cancel(it)
-        }
-        val (installer, action, uri) = args
-        startFlashing(installer, uri, action)
+        val (action, uri, id) = args
+        if (id != -1)
+            Notifications.mgr.cancel(id)
+        startFlashing(action, uri)
     }
 
-    private fun startFlashing(installer: Uri, uri: Uri?, action: String) {
+    private fun startFlashing(action: String, uri: Uri?) {
         viewModelScope.launch {
             val result = when (action) {
                 Const.Value.FLASH_ZIP -> {
-                    FlashZip(installer, outItems, logItems).exec()
+                    FlashZip(uri!!, outItems, logItems).exec()
                 }
                 Const.Value.UNINSTALL -> {
                     showReboot = false
-                    FlashZip.Uninstall(installer, outItems, logItems).exec()
+                    MagiskInstaller.Uninstall(outItems, logItems).exec()
                 }
                 Const.Value.FLASH_MAGISK -> {
                     if (Info.isEmulator)
-                        MagiskInstaller.Emulator(installer, outItems, logItems).exec()
+                        MagiskInstaller.Emulator(outItems, logItems).exec()
                     else
-                        MagiskInstaller.Direct(installer, outItems, logItems).exec()
+                        MagiskInstaller.Direct(outItems, logItems).exec()
                 }
                 Const.Value.FLASH_INACTIVE_SLOT -> {
-                    MagiskInstaller.SecondSlot(installer, outItems, logItems).exec()
+                    MagiskInstaller.SecondSlot(outItems, logItems).exec()
                 }
                 Const.Value.PATCH_FILE -> {
                     uri ?: return@launch
                     showReboot = false
-                    MagiskInstaller.Patch(installer, uri, outItems, logItems).exec()
+                    MagiskInstaller.Patch(uri, outItems, logItems).exec()
                 }
                 else -> {
                     back()

app/src/main/java/com/topjohnwu/magisk/ui/install/InstallFragment.kt

@@ -7,7 +7,6 @@ import android.view.ViewGroup
 import androidx.lifecycle.viewModelScope
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.arch.BaseUIFragment
-import com.topjohnwu.magisk.core.download.BaseDownloader
 import com.topjohnwu.magisk.databinding.FragmentInstallMd2Binding
 import com.topjohnwu.magisk.ktx.coroutineScope
 import org.koin.androidx.viewmodel.ext.android.viewModel
@@ -23,7 +22,6 @@ class InstallFragment : BaseUIFragment<InstallViewModel, FragmentInstallMd2Bindi
 
         // Allow markwon to run in viewmodel scope
         binding.releaseNotes.coroutineScope = viewModel.viewModelScope
-        BaseDownloader.observeProgress(this, viewModel::onProgressUpdate)
     }
 
     override fun onCreateView(

app/src/main/java/com/topjohnwu/magisk/ui/install/InstallViewModel.kt

@@ -8,23 +8,19 @@ import com.topjohnwu.magisk.BR
 import com.topjohnwu.magisk.R
 import com.topjohnwu.magisk.arch.BaseViewModel
 import com.topjohnwu.magisk.core.Info
-import com.topjohnwu.magisk.core.download.Action
-import com.topjohnwu.magisk.core.download.DownloadService
-import com.topjohnwu.magisk.core.download.Subject
 import com.topjohnwu.magisk.data.repository.NetworkService
 import com.topjohnwu.magisk.events.MagiskInstallFileEvent
 import com.topjohnwu.magisk.events.dialog.SecondSlotWarningDialog
+import com.topjohnwu.magisk.ui.flash.FlashFragment
 import com.topjohnwu.magisk.utils.set
 import com.topjohnwu.superuser.Shell
 import kotlinx.coroutines.launch
-import org.koin.core.get
 import timber.log.Timber
 import java.io.IOException
-import kotlin.math.roundToInt
 
 class InstallViewModel(
     svc: NetworkService
-) : BaseViewModel(State.LOADED) {
+) : BaseViewModel() {
 
     val isRooted = Shell.rootAccess()
     val skipOptions = Info.isEmulator || (Info.ramdisk && !Info.isFDE && Info.isSAR)
@@ -53,10 +49,6 @@ class InstallViewModel(
             }
         }
 
-    @get:Bindable
-    var progress = 0
-        set(value) = set(value, field, { field = it }, BR.progress)
-
     @get:Bindable
     var data: Uri? = null
         set(value) = set(value, field, { field = it }, BR.data)
@@ -75,34 +67,17 @@ class InstallViewModel(
         }
     }
 
-    fun onProgressUpdate(progress: Float, subject: Subject) {
-        if (subject !is Subject.Magisk) {
-            return
-        }
-        this.progress = progress.times(100).roundToInt()
-        if (this.progress >= 100) {
-            state = State.LOADED
-        } else if (this.progress < -150) {
-            state = State.LOADING_FAILED
-        }
-    }
-
     fun step(nextStep: Int) {
         step = nextStep
     }
 
     fun install() {
-        DownloadService.start(get(), Subject.Magisk(resolveAction()))
+        when (method) {
+            R.id.method_patch -> FlashFragment.patch(data!!)
+            R.id.method_direct -> FlashFragment.flash(false)
+            R.id.method_inactive_slot -> FlashFragment.flash(true)
+            else -> error("Unknown value")
+        }
         state = State.LOADING
     }
-
-    // ---
-
-    private fun resolveAction() = when (method) {
-        R.id.method_download -> Action.Download
-        R.id.method_patch -> Action.Patch(data!!)
-        R.id.method_direct -> Action.Flash.Primary
-        R.id.method_inactive_slot -> Action.Flash.Secondary
-        else -> error("Unknown value")
-    }
 }

app/src/main/res/layout/fragment_install_md2.xml

@@ -25,306 +25,217 @@
         app:fitsSystemWindowsInsets="top|bottom"
         tools:paddingTop="24dp">
 
-        <FrameLayout
+        <LinearLayout
             android:layout_width="match_parent"
-            android:layout_height="wrap_content">
+            android:layout_height="wrap_content"
+            android:clipToPadding="false"
+            android:orientation="vertical"
+            android:paddingTop="@dimen/l_50">
 
-            <LinearLayout
-                goneUnless="@{viewModel.loaded &amp;&amp; viewModel.progress &lt;= 0}"
+            <com.google.android.material.card.MaterialCardView
+                style="@style/WidgetFoundation.Card"
+                gone="@{viewModel.skipOptions}"
                 android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:clipToPadding="false"
-                android:orientation="vertical"
-                android:paddingTop="@dimen/l_50">
-
-                <com.google.android.material.card.MaterialCardView
-                    style="@style/WidgetFoundation.Card"
-                    gone="@{viewModel.skipOptions}"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginStart="@dimen/l1"
-                    android:layout_marginEnd="@dimen/l1"
-                    android:focusable="false">
-
-                    <LinearLayout
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:orientation="vertical">
-
-                        <LinearLayout
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:orientation="horizontal">
-
-                            <ImageView
-                                style="@style/WidgetFoundation.Icon"
-                                isSelected="@{viewModel.step > 0}"
-                                android:layout_marginStart="@dimen/l_25"
-                                app:srcCompat="@drawable/ic_check_circle_md2" />
-
-                            <TextView
-                                android:layout_width="0dp"
-                                android:layout_height="match_parent"
-                                android:layout_marginStart="@dimen/l1"
-                                android:layout_weight="1"
-                                android:gravity="center_vertical"
-                                android:text="@string/install_options_title"
-                                android:textAppearance="@style/AppearanceFoundation.Body"
-                                android:textStyle="bold" />
-
-                            <Button
-                                style="@style/WidgetFoundation.Button.Text"
-                                gone="@{viewModel.step != 0}"
-                                android:layout_width="wrap_content"
-                                android:layout_height="wrap_content"
-                                android:onClick="@{() -> viewModel.step(1)}"
-                                android:text="@string/install_next" />
-
-                        </LinearLayout>
-
-                        <LinearLayout
-                            gone="@{viewModel.step != 0}"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_marginStart="@dimen/l1"
-                            android:layout_marginTop="@dimen/l_50"
-                            android:layout_marginEnd="@dimen/l1"
-                            android:layout_marginBottom="@dimen/l_50"
-                            android:orientation="vertical"
-                            android:paddingStart="3dp"
-                            android:paddingEnd="3dp"
-                            tools:layout_gravity="center">
-
-                            <CheckBox
-                                style="@style/WidgetFoundation.Checkbox"
-                                gone="@{Info.isSAR}"
-                                android:layout_width="match_parent"
-                                android:layout_height="wrap_content"
-                                android:checked="@={Config.keepVerity}"
-                                android:text="@string/keep_dm_verity"
-                                tools:checked="true" />
-
-                            <CheckBox
-                                style="@style/WidgetFoundation.Checkbox"
-                                goneUnless="@{Info.isFDE}"
-                                android:layout_width="match_parent"
-                                android:layout_height="wrap_content"
-                                android:checked="@={Config.keepEnc}"
-                                android:text="@string/keep_force_encryption"
-                                app:tint="?colorPrimary" />
-
-                            <CheckBox
-                                style="@style/WidgetFoundation.Checkbox"
-                                gone="@{Info.ramdisk}"
-                                android:layout_width="match_parent"
-                                android:layout_height="wrap_content"
-                                android:checked="@={Config.recovery}"
-                                android:text="@string/recovery_mode"
-                                app:tint="?colorPrimary" />
-
-                        </LinearLayout>
-
-                    </LinearLayout>
-
-                </com.google.android.material.card.MaterialCardView>
-
-                <com.google.android.material.card.MaterialCardView
-                    style="@style/WidgetFoundation.Card"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginStart="@dimen/l1"
-                    android:layout_marginTop="@dimen/l1"
-                    android:layout_marginEnd="@dimen/l1"
-                    android:focusable="false">
-
-                    <LinearLayout
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:orientation="vertical">
-
-                        <LinearLayout
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:orientation="horizontal">
-
-                            <ImageView
-                                style="@style/WidgetFoundation.Icon"
-                                isSelected="@{viewModel.step > 1}"
-                                android:layout_marginStart="@dimen/l_25"
-                                app:srcCompat="@drawable/ic_check_circle_md2" />
-
-                            <TextView
-                                android:layout_width="0dp"
-                                android:layout_height="match_parent"
-                                android:layout_marginStart="@dimen/l1"
-                                android:layout_weight="1"
-                                android:gravity="center_vertical"
-                                android:text="@string/install_method_title"
-                                android:textAppearance="@style/AppearanceFoundation.Body"
-                                android:textStyle="bold" />
-
-                            <Button
-                                style="@style/WidgetFoundation.Button.Text"
-                                gone="@{viewModel.step != 1}"
-                                isEnabled="@{viewModel.method == @id/method_patch ? viewModel.data != null : viewModel.method != -1}"
-                                android:layout_width="wrap_content"
-                                android:layout_height="wrap_content"
-                                android:onClick="@{() -> viewModel.install()}"
-                                android:text="@string/install_start"
-                                app:icon="@drawable/ic_forth_md2"
-                                app:iconGravity="textEnd" />
-
-                        </LinearLayout>
-
-                        <RadioGroup
-                            gone="@{viewModel.step != 1}"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_marginStart="@dimen/l1"
-                            android:layout_marginTop="@dimen/l_50"
-                            android:layout_marginEnd="@dimen/l1"
-                            android:layout_marginBottom="@dimen/l_50"
-                            android:checkedButton="@={viewModel.method}"
-                            android:paddingStart="3dp"
-                            android:paddingEnd="3dp">
-
-                            <RadioButton
-                                android:id="@+id/method_download"
-                                style="@style/WidgetFoundation.RadioButton"
-                                android:layout_width="match_parent"
-                                android:layout_height="wrap_content"
-                                android:text="@string/download_zip_only"
-                                tools:checked="true" />
-
-                            <RadioButton
-                                android:id="@+id/method_patch"
-                                style="@style/WidgetFoundation.RadioButton"
-                                android:layout_width="match_parent"
-                                android:layout_height="wrap_content"
-                                android:text="@string/select_patch_file" />
-
-                            <RadioButton
-                                android:id="@+id/method_direct"
-                                style="@style/WidgetFoundation.RadioButton"
-                                gone="@{!viewModel.rooted}"
-                                android:layout_width="match_parent"
-                                android:layout_height="wrap_content"
-                                android:text="@string/direct_install" />
-
-                            <RadioButton
-                                android:id="@+id/method_inactive_slot"
-                                style="@style/WidgetFoundation.RadioButton"
-                                gone="@{viewModel.noSecondSlot}"
-                                android:layout_width="match_parent"
-                                android:layout_height="wrap_content"
-                                android:text="@string/install_inactive_slot" />
-
-                        </RadioGroup>
-
-                    </LinearLayout>
-
-                </com.google.android.material.card.MaterialCardView>
-
-                <com.google.android.material.card.MaterialCardView
-                    style="@style/WidgetFoundation.Card"
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="@dimen/l1"
-                    android:layout_marginStart="@dimen/l1"
-                    android:layout_marginEnd="@dimen/l1"
-                    android:focusable="false">
-
-                    <TextView
-                        android:id="@+id/release_notes"
-                        markdownText="@{viewModel.notes}"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_margin="15dp"
-                        android:textAppearance="@style/AppearanceFoundation.Caption"
-                        android:visibility="gone"
-                        tools:maxLines="5"
-                        tools:text="@tools:sample/lorem/random"
-                        tools:visibility="visible" />
-
-                </com.google.android.material.card.MaterialCardView>
-
-            </LinearLayout>
-
-            <LinearLayout
-                goneUnless="@{viewModel.loading}"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:layout_gravity="center"
+                android:layout_height="wrap_content"
                 android:layout_marginStart="@dimen/l1"
                 android:layout_marginEnd="@dimen/l1"
-                android:gravity="center"
-                android:orientation="vertical">
+                android:focusable="false">
 
-                <TextView
+                <LinearLayout
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:gravity="center"
-                    android:text="@string/loading"
-                    android:textAppearance="@style/AppearanceFoundation.Title" />
+                    android:orientation="vertical">
 
-                <FrameLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="@dimen/l1">
+                    <LinearLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:orientation="horizontal">
 
-                    <ProgressBar
-                        style="@style/WidgetFoundation.ProgressBar"
-                        invisible="@{viewModel.progress &lt;= 0}"
-                        android:layout_width="100dp"
-                        android:layout_gravity="center"
-                        android:progress="@{viewModel.progress}" />
+                        <ImageView
+                            style="@style/WidgetFoundation.Icon"
+                            isSelected="@{viewModel.step > 0}"
+                            android:layout_marginStart="@dimen/l_25"
+                            app:srcCompat="@drawable/ic_check_circle_md2" />
 
-                    <ProgressBar
-                        style="@style/WidgetFoundation.ProgressBar.Indeterminate"
-                        invisibleUnless="@{viewModel.progress &lt;= 0}"
-                        android:layout_width="100dp"
-                        android:layout_gravity="center" />
+                        <TextView
+                            android:layout_width="0dp"
+                            android:layout_height="match_parent"
+                            android:layout_marginStart="@dimen/l1"
+                            android:layout_weight="1"
+                            android:gravity="center_vertical"
+                            android:text="@string/install_options_title"
+                            android:textAppearance="@style/AppearanceFoundation.Body"
+                            android:textStyle="bold" />
 
-                </FrameLayout>
+                        <Button
+                            style="@style/WidgetFoundation.Button.Text"
+                            gone="@{viewModel.step != 0}"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:onClick="@{() -> viewModel.step(1)}"
+                            android:text="@string/install_next" />
 
+                    </LinearLayout>
 
-            </LinearLayout>
+                    <LinearLayout
+                        gone="@{viewModel.step != 0}"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginStart="@dimen/l1"
+                        android:layout_marginTop="@dimen/l_50"
+                        android:layout_marginEnd="@dimen/l1"
+                        android:layout_marginBottom="@dimen/l_50"
+                        android:orientation="vertical"
+                        android:paddingStart="3dp"
+                        android:paddingEnd="3dp"
+                        tools:layout_gravity="center">
 
-            <LinearLayout
-                goneUnless="@{viewModel.loaded &amp;&amp; viewModel.progress >= 100}"
+                        <CheckBox
+                            style="@style/WidgetFoundation.Checkbox"
+                            gone="@{Info.isSAR}"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:checked="@={Config.keepVerity}"
+                            android:text="@string/keep_dm_verity"
+                            tools:checked="true" />
+
+                        <CheckBox
+                            style="@style/WidgetFoundation.Checkbox"
+                            goneUnless="@{Info.isFDE}"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:checked="@={Config.keepEnc}"
+                            android:text="@string/keep_force_encryption"
+                            app:tint="?colorPrimary" />
+
+                        <CheckBox
+                            style="@style/WidgetFoundation.Checkbox"
+                            gone="@{Info.ramdisk}"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:checked="@={Config.recovery}"
+                            android:text="@string/recovery_mode"
+                            app:tint="?colorPrimary" />
+
+                    </LinearLayout>
+
+                </LinearLayout>
+
+            </com.google.android.material.card.MaterialCardView>
+
+            <com.google.android.material.card.MaterialCardView
+                style="@style/WidgetFoundation.Card"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center"
-                android:gravity="center"
-                android:orientation="vertical">
+                android:layout_marginStart="@dimen/l1"
+                android:layout_marginTop="@dimen/l1"
+                android:layout_marginEnd="@dimen/l1"
+                android:focusable="false">
 
-                <TextView
+                <LinearLayout
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:gravity="center"
-                    android:text="@string/download_complete"
-                    android:textAppearance="@style/AppearanceFoundation.Title" />
+                    android:orientation="vertical">
 
-            </LinearLayout>
+                    <LinearLayout
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:orientation="horizontal">
 
-            <LinearLayout
-                goneUnless="@{viewModel.loadFailed}"
+                        <ImageView
+                            style="@style/WidgetFoundation.Icon"
+                            isSelected="@{viewModel.step > 1}"
+                            android:layout_marginStart="@dimen/l_25"
+                            app:srcCompat="@drawable/ic_check_circle_md2" />
+
+                        <TextView
+                            android:layout_width="0dp"
+                            android:layout_height="match_parent"
+                            android:layout_marginStart="@dimen/l1"
+                            android:layout_weight="1"
+                            android:gravity="center_vertical"
+                            android:text="@string/install_method_title"
+                            android:textAppearance="@style/AppearanceFoundation.Body"
+                            android:textStyle="bold" />
+
+                        <Button
+                            style="@style/WidgetFoundation.Button.Text"
+                            gone="@{viewModel.step != 1}"
+                            isEnabled="@{viewModel.method == @id/method_patch ? viewModel.data != null : viewModel.method != -1}"
+                            android:layout_width="wrap_content"
+                            android:layout_height="wrap_content"
+                            android:onClick="@{() -> viewModel.install()}"
+                            android:text="@string/install_start"
+                            app:icon="@drawable/ic_forth_md2"
+                            app:iconGravity="textEnd" />
+
+                    </LinearLayout>
+
+                    <RadioGroup
+                        gone="@{viewModel.step != 1}"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:layout_marginStart="@dimen/l1"
+                        android:layout_marginTop="@dimen/l_50"
+                        android:layout_marginEnd="@dimen/l1"
+                        android:layout_marginBottom="@dimen/l_50"
+                        android:checkedButton="@={viewModel.method}"
+                        android:paddingStart="3dp"
+                        android:paddingEnd="3dp">
+
+                        <RadioButton
+                            android:id="@+id/method_patch"
+                            style="@style/WidgetFoundation.RadioButton"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="@string/select_patch_file" />
+
+                        <RadioButton
+                            android:id="@+id/method_direct"
+                            style="@style/WidgetFoundation.RadioButton"
+                            gone="@{!viewModel.rooted}"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="@string/direct_install" />
+
+                        <RadioButton
+                            android:id="@+id/method_inactive_slot"
+                            style="@style/WidgetFoundation.RadioButton"
+                            gone="@{viewModel.noSecondSlot}"
+                            android:layout_width="match_parent"
+                            android:layout_height="wrap_content"
+                            android:text="@string/install_inactive_slot" />
+
+                    </RadioGroup>
+
+                </LinearLayout>
+
+            </com.google.android.material.card.MaterialCardView>
+
+            <com.google.android.material.card.MaterialCardView
+                style="@style/WidgetFoundation.Card"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:layout_gravity="center"
-                android:gravity="center"
-                android:orientation="vertical">
+                android:layout_marginTop="@dimen/l1"
+                android:layout_marginStart="@dimen/l1"
+                android:layout_marginEnd="@dimen/l1"
+                android:focusable="false">
 
                 <TextView
+                    android:id="@+id/release_notes"
+                    markdownText="@{viewModel.notes}"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                    android:gravity="center"
-                    android:text="@string/download_file_error"
-                    android:textAppearance="@style/AppearanceFoundation.Title" />
+                    android:layout_margin="15dp"
+                    android:textAppearance="@style/AppearanceFoundation.Caption"
+                    android:visibility="gone"
+                    tools:maxLines="5"
+                    tools:text="@tools:sample/lorem/random"
+                    tools:visibility="visible" />
 
-            </LinearLayout>
+            </com.google.android.material.card.MaterialCardView>
 
-        </FrameLayout>
+        </LinearLayout>
 
     </androidx.core.widget.NestedScrollView>
 

app/src/main/res/navigation/main.xml

@@ -49,10 +49,6 @@
         android:label="FlashFragment"
         tools:layout="@layout/fragment_flash_md2">
 
-        <argument
-            android:name="installer"
-            app:argType="android.net.Uri" />
-
         <argument
             android:name="action"
             app:argType="string" />

app/src/main/res/raw/.gitignore

@@ -1 +0,0 @@
-/util_functions.sh

app/src/main/res/raw/manager.sh

@@ -13,21 +13,35 @@ env_check() {
   return 0
 }
 
-fix_env() {
-  cd $MAGISKBIN
-  PATH=/system/bin /system/bin/sh update-binary -x
-  ./busybox rm -f update-binary magisk.apk
-  ./busybox chmod -R 755 .
-  ./magiskinit -x magisk magisk
+cp_readlink() {
+  if [ -z $2 ]; then
+    cd $1
+  else
+    cp -af $1/. $2
+    cd $2
+  fi
+  for file in *; do
+    if [ -L $file ]; then
+      local full=$(readlink -f $file)
+      rm $file
+      cp -af $full $file
+    fi
+  done
+  chmod -R 755 .
   cd /
 }
 
-direct_install() {
-  rm -rf $MAGISKBIN/* 2>/dev/null
+fix_env() {
+  # Cleanup and make dirs
+  rm -rf $MAGISKBIN/*
   mkdir -p $MAGISKBIN 2>/dev/null
   chmod 700 $NVBASE
   cp -af $1/. $MAGISKBIN
-  rm -f $MAGISKBIN/new-boot.img
+  rm -rf $1
+  chown -R 0:0 $MAGISKBIN
+}
+
+direct_install() {
   echo "- Flashing new boot image"
   flash_image $1/new-boot.img $2
   case $? in
@@ -40,10 +54,20 @@ direct_install() {
       return 2
       ;;
   esac
-  rm -rf $1
+
+  rm -f $1/new-boot.img
+  fix_env $1
+
   return 0
 }
 
+run_uninstaller() {
+  rm -rf /dev/tmp
+  mkdir -p /dev/tmp/install
+  unzip -o "$1" "assets/*" "lib/*" -d /dev/tmp/install
+  INSTALLER=/dev/tmp/install sh /dev/tmp/install/assets/magisk_uninstaller.sh dummy 1 "$1"
+}
+
 restore_imgs() {
   [ -z $SHA1 ] && return 1
   local BACKUPDIR=/data/magisk_backup_$SHA1