Improvements to the installation UI

- No longer show irrelevant options to the user
- No longer require an additional button press to start installation

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

@@ -106,6 +106,10 @@ object Config : PreferenceModel, DBConfig {
         else
             Value.DEFAULT_CHANNEL
 
+    @JvmStatic var keepVerity = false
+    @JvmStatic var keepEnc = false
+    @JvmStatic var recovery = false
+
     var bootId by preference(Key.BOOT_ID, "")
     var askedHome by preference(Key.ASKED_HOME, false)
 

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

@@ -26,14 +26,10 @@ object Info {
 
     var remote = UpdateInfo()
 
-    // Toggle-able options
-    @JvmStatic var keepVerity = false
-    @JvmStatic var keepEnc = false
-    @JvmStatic var recovery = false
-
-    // Immutable device state
+    // Device state
     @JvmStatic var isSAR = false
     @JvmStatic var isAB = false
+    @JvmStatic var isFBE = false
     @JvmStatic var ramdisk = false
     @JvmStatic var hasGMS = true
 

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

@@ -9,15 +9,15 @@ import androidx.annotation.WorkerThread
 import androidx.core.os.postDelayed
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.core.Info
+import com.topjohnwu.magisk.core.Config
+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.network.GithubRawServices
 import com.topjohnwu.magisk.di.Protected
 import com.topjohnwu.magisk.events.dialog.EnvFixDialog
 import com.topjohnwu.magisk.ktx.reboot
 import com.topjohnwu.magisk.ktx.withStreams
-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.utils.Utils
 import com.topjohnwu.signing.SignBoot
 import com.topjohnwu.superuser.Shell
@@ -272,8 +272,8 @@ abstract class MagiskInstallImpl : KoinComponent {
             return false
         }
 
-        if (!("KEEPFORCEENCRYPT=${Info.keepEnc} KEEPVERITY=${Info.keepVerity} " +
-                "RECOVERYMODE=${Info.recovery} sh update-binary " +
+        if (!("KEEPFORCEENCRYPT=${Config.keepEnc} KEEPVERITY=${Config.keepVerity} " +
+                "RECOVERYMODE=${Config.recovery} sh update-binary " +
                 "sh boot_patch.sh $srcBoot").sh().isSuccess) {
             return false
         }

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

@@ -1,13 +1,16 @@
 package com.topjohnwu.magisk.core.utils
 
 import android.content.Context
+import android.os.Build
 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.ktx.rawResource
 import com.topjohnwu.superuser.Shell
 import com.topjohnwu.superuser.ShellUtils
+import com.topjohnwu.superuser.io.SuFile
 
 class RootInit : Shell.Initializer() {
 
@@ -39,13 +42,19 @@ class RootInit : Shell.Initializer() {
         fun getBool(name: String) = getvar(name).toBoolean()
 
         Const.MAGISKTMP = getvar("MAGISKTMP")
-        Info.keepVerity = getBool("KEEPVERITY")
-        Info.keepEnc = getBool("KEEPFORCEENCRYPT")
         Info.isSAR = getBool("SYSTEM_ROOT")
         Info.ramdisk = getBool("RAMDISKEXIST")
-        Info.recovery = getBool("RECOVERYMODE")
         Info.isAB = getBool("ISAB")
 
+        // FBE does not exist pre 7.0
+        if (Build.VERSION.SDK_INT >= 24)
+            Info.isFBE = SuFile("/data/unencrypted").exists()
+
+        // Default presets
+        Config.recovery = getBool("RECOVERYMODE")
+        Config.keepVerity = getBool("KEEPVERITY")
+        Config.keepEnc = getBool("KEEPFORCEENCRYPT")
+
         return true
     }
 }

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

@@ -1,13 +1,13 @@
 package com.topjohnwu.magisk.ktx
 
 import android.content.Context
+import com.topjohnwu.magisk.core.Config
 import com.topjohnwu.magisk.core.Const
-import com.topjohnwu.magisk.core.Info
 import com.topjohnwu.superuser.Shell
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
 
-fun reboot(reason: String = if (Info.recovery) "recovery" else "") {
+fun reboot(reason: String = if (Config.recovery) "recovery" else "") {
     Shell.su("/system/bin/svc power reboot $reason || /system/bin/reboot $reason").submit()
 }
 

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

@@ -7,6 +7,7 @@ import com.topjohnwu.magisk.arch.BaseUIFragment
 import com.topjohnwu.magisk.core.download.BaseDownloadService
 import com.topjohnwu.magisk.databinding.FragmentInstallMd2Binding
 import com.topjohnwu.magisk.events.RequestFileEvent
+import com.topjohnwu.magisk.ktx.coroutineScope
 import org.koin.androidx.viewmodel.ext.android.viewModel
 
 class InstallFragment : BaseUIFragment<InstallViewModel, FragmentInstallMd2Binding>() {
@@ -24,7 +25,7 @@ class InstallFragment : BaseUIFragment<InstallViewModel, FragmentInstallMd2Bindi
         requireActivity().setTitle(R.string.install)
 
         // Allow markwon to run in viewmodel scope
-        binding.releaseNotes.tag = viewModel.viewModelScope
+        binding.releaseNotes.coroutineScope = viewModel.viewModelScope
         BaseDownloadService.observeProgress(this, viewModel::onProgressUpdate)
     }
 

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

@@ -25,11 +25,11 @@ class InstallViewModel(
     stringRepo: StringRepository
 ) : BaseViewModel(State.LOADED) {
 
-    val isRooted get() = Shell.rootAccess()
-    val isAB get() = Info.isAB
+    val isRooted = Shell.rootAccess()
+    val skipOptions = Info.ramdisk && Info.isFBE && Info.isSAR
 
     @get:Bindable
-    var step = 0
+    var step = if (skipOptions) 1 else 0
         set(value) = set(value, field, { field = it }, BR.step)
 
     @get:Bindable