Android: Rewrite Wii system updates in Kotlin

Source/Android/app/build.gradle

@@ -144,8 +144,10 @@ dependencies {
     implementation 'androidx.preference:preference:1.2.0'
     implementation 'androidx.profileinstaller:profileinstaller:1.2.2'
 
-    // Force dependency version to solve build conflict with androidx preferences
-    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1"
+    // Kotlin extensions for lifecycle components
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.5.1'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.5.1'
 
     // Android TV UI libraries.
     implementation 'androidx.leanback:leanback:1.0.0'

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/sysupdate/ui/OnlineUpdateRegionSelectDialogFragment.kt

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.sysupdate.ui
+
+import android.app.Dialog
+import android.content.DialogInterface
+import android.os.Bundle
+import androidx.fragment.app.DialogFragment
+import androidx.lifecycle.ViewModelProvider
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.dolphinemu.dolphinemu.R
+
+class OnlineUpdateRegionSelectDialogFragment : DialogFragment() {
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        val items = arrayOf(
+            getString(R.string.country_europe),
+            getString(R.string.country_japan),
+            getString(R.string.country_korea),
+            getString(R.string.country_usa)
+        )
+        val checkedItem = -1
+        return MaterialAlertDialogBuilder(requireContext())
+            .setTitle(R.string.region_select_title)
+            .setSingleChoiceItems(items, checkedItem) { _: DialogInterface?, which: Int ->
+                val viewModel =
+                    ViewModelProvider(requireActivity())[SystemUpdateViewModel::class.java]
+                viewModel.region = which
+                SystemUpdateProgressBarDialogFragment().show(
+                    parentFragmentManager,
+                    SystemUpdateProgressBarDialogFragment.TAG
+                )
+                dismiss()
+            }
+            .create()
+    }
+
+    companion object {
+        const val TAG = "OnlineUpdateRegionSelectDialogFragment"
+    }
+}

Source/Android/app/src/main/java/org/dolphinemu/dolphinemu/features/sysupdate/ui/SystemMenuNotInstalledDialogFragment.kt

@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+package org.dolphinemu.dolphinemu.features.sysupdate.ui
+
+import android.app.Dialog
+import android.content.DialogInterface
+import android.os.Bundle
+import androidx.fragment.app.DialogFragment
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import org.dolphinemu.dolphinemu.R
+
+class SystemMenuNotInstalledDialogFragment : DialogFragment() {
+    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        return MaterialAlertDialogBuilder(requireContext())
+            .setTitle(R.string.system_menu_not_installed_title)
+            .setMessage(R.string.system_menu_not_installed_message)
+            .setPositiveButton(R.string.yes) { _: DialogInterface?, _: Int ->
+                OnlineUpdateRegionSelectDialogFragment().show(
+                    parentFragmentManager,
+                    OnlineUpdateRegionSelectDialogFragment.TAG
+                )
+                dismiss()
+            }
+            .setNegativeButton(R.string.no) { _: DialogInterface?, _: Int -> dismiss() }
+            .create()
+    }
+
+    companion object {
+        const val TAG = "SystemMenuNotInstalledDialogFragment"
+    }
+}