Several changes

- Change error message strings
- Move non-root stub error to SplashActivity
- Skip shell init in non-root stub

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

@@ -46,13 +46,7 @@ object Const {
     }
 
     object ID {
-        const val FETCH_ZIP = 2
-        const val SELECT_FILE = 3
-        const val UNINSTALL_APP = 4
-        const val MAX_ACTIVITY_RESULT = 10
-
         // notifications
-        const val MAGISK_UPDATE_NOTIFICATION_ID = 4
         const val APK_UPDATE_NOTIFICATION_ID = 5
         const val UPDATE_NOTIFICATION_CHANNEL = "update"
         const val PROGRESS_NOTIFICATION_CHANNEL = "progress"

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

@@ -1,21 +1,23 @@
 package com.topjohnwu.magisk.core
 
-import android.app.Activity
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Bundle
 import com.topjohnwu.magisk.BuildConfig.APPLICATION_ID
 import com.topjohnwu.magisk.R
+import com.topjohnwu.magisk.core.base.BaseActivity
+import com.topjohnwu.magisk.core.tasks.HideAPK
 import com.topjohnwu.magisk.data.repository.NetworkService
 import com.topjohnwu.magisk.ktx.get
 import com.topjohnwu.magisk.ui.MainActivity
+import com.topjohnwu.magisk.view.MagiskDialog
 import com.topjohnwu.magisk.view.Notifications
 import com.topjohnwu.magisk.view.Shortcuts
 import com.topjohnwu.superuser.Shell
 import java.util.concurrent.CountDownLatch
 
-open class SplashActivity : Activity() {
+open class SplashActivity : BaseActivity() {
 
     private val latch = CountDownLatch(1)
 
@@ -41,12 +43,27 @@ open class SplashActivity : Activity() {
             if (Config.suManager.isNotEmpty())
                 Config.suManager = ""
             pkg ?: return
-            val uninstall = Shell.su("(pm uninstall $pkg)& >/dev/null 2>&1").exec()
-            if (!uninstall.isSuccess) uninstallApp(pkg)
+            if (!Shell.su("(pm uninstall $pkg)& >/dev/null 2>&1").exec().isSuccess)
+                uninstallApp(pkg)
         }
     }
 
     private fun initAndStart() {
+        if (isRunningAsStub && !Shell.rootAccess()) {
+            runOnUiThread {
+                MagiskDialog(this)
+                    .applyTitle(R.string.unsupport_nonroot_stub_title)
+                    .applyMessage(R.string.unsupport_nonroot_stub_msg)
+                    .applyButton(MagiskDialog.ButtonType.POSITIVE) {
+                        titleRes = R.string.install
+                        onClick { HideAPK.restore(this@SplashActivity) }
+                    }
+                    .cancellable(false)
+                    .reveal()
+            }
+            return
+        }
+
         val prevPkg = intent.getStringExtra(Const.Key.PREV_PKG)
 
         Config.load(prevPkg)
@@ -59,8 +76,7 @@ open class SplashActivity : Activity() {
         get<NetworkService>()
 
         DONE = true
-
-        redirect<MainActivity>().also { startActivity(it) }
+        startActivity(redirect<MainActivity>())
         finish()
     }
 
@@ -69,14 +85,10 @@ open class SplashActivity : Activity() {
         val uri = Uri.Builder().scheme("package").opaquePart(pkg).build()
         val intent = Intent(Intent.ACTION_UNINSTALL_PACKAGE, uri)
         intent.putExtra(Intent.EXTRA_RETURN_RESULT, true)
-        startActivityForResult(intent, Const.ID.UNINSTALL_APP)
-        latch.await()
+        startActivityForResult(intent) { _, _ ->
+            latch.countDown()
         }
-
-    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
-        if (requestCode == Const.ID.UNINSTALL_APP) {
-            if (resultCode != RESULT_CANCELED) latch.countDown()
-        } else super.onActivityResult(requestCode, resultCode, data)
+        latch.await()
     }
 
     companion object {

app/src/main/java/com/topjohnwu/magisk/core/base/BaseActivity.kt

@@ -14,7 +14,6 @@ import androidx.collection.SparseArrayCompat
 import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import com.topjohnwu.magisk.R
-import com.topjohnwu.magisk.core.Const
 import com.topjohnwu.magisk.core.utils.currentLocale
 import com.topjohnwu.magisk.core.wrap
 import com.topjohnwu.magisk.ktx.set
@@ -26,6 +25,13 @@ typealias ActivityResultCallback = BaseActivity.(Int, Intent?) -> Unit
 abstract class BaseActivity : AppCompatActivity() {
 
     private val resultCallbacks by lazy { SparseArrayCompat<ActivityResultCallback>() }
+    private val newRequestCode: Int get() {
+        var requestCode: Int
+        do {
+            requestCode = Random.nextInt(0, 1 shl 15)
+        } while (resultCallbacks.containsKey(requestCode))
+        return requestCode
+    }
 
     override fun applyOverrideConfiguration(config: Configuration?) {
         // Force applying our preferred local
@@ -49,10 +55,7 @@ abstract class BaseActivity : AppCompatActivity() {
         if (ContextCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED) {
             request.onSuccess()
         } else {
-            var requestCode: Int
-            do {
-                requestCode = Random.nextInt(Const.ID.MAX_ACTIVITY_RESULT + 1, 1 shl 15)
-            } while (resultCallbacks.containsKey(requestCode))
+            val requestCode = newRequestCode
             resultCallbacks[requestCode] = { result, _ ->
                 if (result > 0)
                     request.onSuccess()
@@ -92,7 +95,8 @@ abstract class BaseActivity : AppCompatActivity() {
         }
     }
 
-    fun startActivityForResult(intent: Intent, requestCode: Int, callback: ActivityResultCallback) {
+    fun startActivityForResult(intent: Intent, callback: ActivityResultCallback) {
+        val requestCode = newRequestCode
         resultCallbacks[requestCode] = callback
         try {
             startActivityForResult(intent, requestCode)

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

@@ -31,6 +31,8 @@ class BusyBoxInit : BaseShellInit() {
 
             val localBB: File
             if (isRunningAsStub) {
+                if (!shell.isRoot)
+                    return true
                 val jar = JarFile(DynAPK.current(context))
                 val bb = jar.getJarEntry("lib/${Const.CPU_ABI_32}/libbusybox.so")
                 localBB = context.deviceProtectedContext.cachedFile("busybox")

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

@@ -80,7 +80,7 @@ class MagiskInstallFileEvent(private val callback: ActivityResultCallback)
     override fun invoke(activity: BaseUIActivity<*, *>) {
         val intent = Intent(Intent.ACTION_GET_CONTENT).setType("*/*")
         try {
-            activity.startActivityForResult(intent, Const.ID.SELECT_FILE, callback)
+            activity.startActivityForResult(intent, callback)
             Utils.toast(R.string.patch_file_msg, Toast.LENGTH_LONG)
         } catch (e: ActivityNotFoundException) {
             Utils.toast(R.string.app_not_found, Toast.LENGTH_SHORT)
@@ -109,7 +109,7 @@ class SelectModuleEvent : ViewEvent(), FragmentExecutor {
         val intent = Intent(Intent.ACTION_GET_CONTENT).setType("application/zip")
         try {
             fragment.apply {
-                activity.startActivityForResult(intent, Const.ID.FETCH_ZIP) { code, intent ->
+                activity.startActivityForResult(intent) { code, intent ->
                     if (code == Activity.RESULT_OK && intent != null) {
                         intent.data?.also {
                             MainDirections.actionFlashFragment(Const.Value.FLASH_ZIP, it).navigate()

app/src/main/java/com/topjohnwu/magisk/ui/MainActivity.kt

@@ -18,7 +18,6 @@ import com.topjohnwu.magisk.arch.BaseUIActivity
 import com.topjohnwu.magisk.arch.BaseViewModel
 import com.topjohnwu.magisk.arch.ReselectionTarget
 import com.topjohnwu.magisk.core.*
-import com.topjohnwu.magisk.core.tasks.HideAPK
 import com.topjohnwu.magisk.databinding.ActivityMainMd2Binding
 import com.topjohnwu.magisk.ktx.startAnimations
 import com.topjohnwu.magisk.ui.home.HomeFragmentDirections
@@ -26,7 +25,6 @@ import com.topjohnwu.magisk.utils.HideableBehavior
 import com.topjohnwu.magisk.utils.Utils
 import com.topjohnwu.magisk.view.MagiskDialog
 import com.topjohnwu.magisk.view.Shortcuts
-import com.topjohnwu.superuser.Shell
 import org.koin.androidx.viewmodel.ext.android.viewModel
 import java.io.File
 
@@ -196,12 +194,12 @@ open class MainActivity : BaseUIActivity<MainViewModel, ActivityMainMd2Binding>(
                 .reveal()
         }
 
-        if (Info.env.isActive && System.getenv("PATH")
+        if (!Info.isEmulator && Info.env.isActive && System.getenv("PATH")
                 ?.split(':')
                 ?.filterNot { File("$it/magisk").exists() }
                 ?.any { File("$it/su").exists() } == true) {
             MagiskDialog(this)
-                .applyTitle(R.string.unsupport_other_su_title)
+                .applyTitle(R.string.unsupport_general_title)
                 .applyMessage(R.string.unsupport_other_su_msg)
                 .applyButton(MagiskDialog.ButtonType.POSITIVE) { titleRes = android.R.string.ok }
                 .cancellable(false)
@@ -210,7 +208,7 @@ open class MainActivity : BaseUIActivity<MainViewModel, ActivityMainMd2Binding>(
 
         if (applicationInfo.flags and ApplicationInfo.FLAG_SYSTEM != 0) {
             MagiskDialog(this)
-                .applyTitle(R.string.unsupport_system_app_title)
+                .applyTitle(R.string.unsupport_general_title)
                 .applyMessage(R.string.unsupport_system_app_msg)
                 .applyButton(MagiskDialog.ButtonType.POSITIVE) { titleRes = android.R.string.ok }
                 .cancellable(false)
@@ -219,25 +217,13 @@ open class MainActivity : BaseUIActivity<MainViewModel, ActivityMainMd2Binding>(
 
         if (applicationInfo.flags and ApplicationInfo.FLAG_EXTERNAL_STORAGE != 0) {
             MagiskDialog(this)
-                .applyTitle(R.string.unsupport_external_storage_title)
+                .applyTitle(R.string.unsupport_general_title)
                 .applyMessage(R.string.unsupport_external_storage_msg)
                 .applyButton(MagiskDialog.ButtonType.POSITIVE) { titleRes = android.R.string.ok }
                 .cancellable(false)
                 .reveal()
         }
-
-        if (isRunningAsStub && !Shell.rootAccess()) {
-            MagiskDialog(this)
-                .applyTitle(R.string.unsupport_nonroot_stub_title)
-                .applyMessage(R.string.unsupport_nonroot_stub_msg)
-                .applyButton(MagiskDialog.ButtonType.POSITIVE) {
-                    titleRes = R.string.install
-                    onClick { HideAPK.restore(this@MainActivity) }
-                }
-                .cancellable(false)
-                .reveal()
-        }
-    }
+    }g
 
     private fun askForHomeShortcut() {
         if (isRunningAsStub && !Config.askedHome &&

app/src/main/java/com/topjohnwu/magisk/view/MagiskDialog.kt

@@ -47,7 +47,8 @@ class MagiskDialog(
         super.onCreate(savedInstanceState)
         super.setContentView(binding.root)
 
-        val surfaceColor = MaterialColors.getColor(context, R.attr.colorSurfaceSurfaceVariant, javaClass.canonicalName)
+        val default = MaterialColors.getColor(context, R.attr.colorSurface, javaClass.canonicalName)
+        val surfaceColor = MaterialColors.getColor(context, R.attr.colorSurfaceSurfaceVariant, default)
         val materialShapeDrawable = MaterialShapeDrawable(context, null, R.attr.alertDialogStyle, R.style.MaterialAlertDialog_MaterialComponents)
         materialShapeDrawable.initializeElevationOverlay(context)
         materialShapeDrawable.fillColor = ColorStateList.valueOf(surfaceColor)

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

@@ -230,14 +230,12 @@
     <string name="authenticate">Authenticate</string>
     <string name="unsupport_magisk_title">Unsupported Magisk Version</string>
     <string name="unsupport_magisk_msg">This version of the app does not support Magisk version lower than %1$s.\n\nThe app will behave as if no Magisk is installed, please upgrade Magisk as soon as possible.</string>
-    <string name="unsupport_other_su_title">Other su found on this device</string>
-    <string name="unsupport_other_su_msg">The existence of other su may cause Magisk to run abnormally and MagiskHide to be invalid. Please remove other su.</string>
-    <string name="unsupport_system_app_title">Unsupported run as system app</string>
-    <string name="unsupport_system_app_msg">Magisk does not support run as system app, which breaks its hidden feature. Please revert to user app.</string>
-    <string name="unsupport_external_storage_title">Unsupported installed on external storage</string>
-    <string name="unsupport_external_storage_msg">Magisk is installed to a non-standard location. Please move app to internal storage.</string>
+    <string name="unsupport_general_title">Abnormal State</string>
+    <string name="unsupport_system_app_msg">Running this app as a system app is not supported. Please revert the app to a user app.</string>
+    <string name="unsupport_other_su_msg">An \"su\" command that does not belong to Magisk is detected. Please remove the other unsupported su.</string>
+    <string name="unsupport_external_storage_msg">Magisk is installed to external storage. Please move the app to internal storage.</string>
+    <string name="unsupport_nonroot_stub_msg">The app cannot continue to work in the hidden state as root was lost. Please restore it back to the original APK.</string>
     <string name="unsupport_nonroot_stub_title">@string/settings_restore_app_title</string>
-    <string name="unsupport_nonroot_stub_msg">Root is lost, the application can not continue to work in the hidden state, please restore it back to the original APK.</string>
     <string name="external_rw_permission_denied">Grant storage permission to enable this functionality</string>
     <string name="add_shortcut_title">Add shortcut to home screen</string>
     <string name="add_shortcut_msg">After hiding this app, its name and icon might become difficult to recognize. Do you want to add a pretty shortcut to the home screen?</string>

app/src/main/res/values/themes.xml

@@ -17,12 +17,12 @@
 
     <style name="Theme.Foundation" parent="Base.V17.Theme.Foundation" />
 
-    <style name="Base.V17.Theme.Splash.Light" parent="android:Theme.DeviceDefault.Light.NoActionBar">
+    <style name="Base.V17.Theme.Splash.Light" parent="Theme.MaterialComponents.Light.NoActionBar">
         <item name="android:windowBackground">@drawable/ic_splash_activity</item>
         <item name="android:windowContentOverlay">@null</item>
     </style>
 
-    <style name="Base.V17.Theme.Splash" parent="android:Theme.DeviceDefault.NoActionBar">
+    <style name="Base.V17.Theme.Splash" parent="Theme.MaterialComponents.NoActionBar">
         <item name="android:windowBackground">@drawable/ic_splash_activity</item>
         <item name="android:windowContentOverlay">@null</item>
     </style>