From 0aa46e19c5a1864454451891fb3f40f5ef3ff742 Mon Sep 17 00:00:00 2001
From: Raul Santos <raulsntos@gmail.com>
Date: Fri, 9 Feb 2024 17:26:53 +0100
Subject: C#: Fallback to CoreCLR/MonoVM hosting APIs when hostfxr/NativeAOT
 fails

Some platforms don't support hostfxr but we can use the coreclr/monosgen library directly to initialize the runtime.

Android exports now use the `android` runtime identifier instead of `linux-bionic`, this removes the restrictions we previously had:
- Adds support for all Android architectures (arm32, arm64, x32, and x64), previously only the 64-bit architectures were supported.
- Loads `System.Security.Cryptography.Native.Android` (the .NET library that binds to the Android OS crypto functions).
---
 platform/android/export/export_plugin.cpp | 24 ++++++++++--------------
 1 file changed, 10 insertions(+), 14 deletions(-)

(limited to 'platform/android/export/export_plugin.cpp')

diff --git a/platform/android/export/export_plugin.cpp b/platform/android/export/export_plugin.cpp
index fd07324557..e3d9807af7 100644
--- a/platform/android/export/export_plugin.cpp
+++ b/platform/android/export/export_plugin.cpp
@@ -2381,19 +2381,6 @@ bool EditorExportPlatformAndroid::has_valid_export_configuration(const Ref<Edito
 #ifdef MODULE_MONO_ENABLED
 	// Android export is still a work in progress, keep a message as a warning.
 	err += TTR("Exporting to Android when using C#/.NET is experimental.") + "\n";
-
-	bool unsupported_arch = false;
-	Vector<ABI> enabled_abis = get_enabled_abis(p_preset);
-	for (ABI abi : enabled_abis) {
-		if (abi.arch != "arm64" && abi.arch != "x86_64") {
-			err += vformat(TTR("Android architecture %s not supported in C# projects."), abi.arch) + "\n";
-			unsupported_arch = true;
-		}
-	}
-	if (unsupported_arch) {
-		r_error = err;
-		return false;
-	}
 #endif
 
 	// Look for export templates (first official, and if defined custom templates).
@@ -3201,6 +3188,7 @@ Error EditorExportPlatformAndroid::export_project_helper(const Ref<EditorExportP
 		PluginConfigAndroid::get_plugins_custom_maven_repos(enabled_plugins, android_dependencies_maven_repos);
 #endif // DISABLE_DEPRECATED
 
+		bool has_dotnet_project = false;
 		Vector<Ref<EditorExportPlugin>> export_plugins = EditorExport::get_singleton()->get_export_plugins();
 		for (int i = 0; i < export_plugins.size(); i++) {
 			if (export_plugins[i]->supports_platform(Ref<EditorExportPlatform>(this))) {
@@ -3218,6 +3206,11 @@ Error EditorExportPlatformAndroid::export_project_helper(const Ref<EditorExportP
 				PackedStringArray export_plugin_android_dependencies_maven_repos = export_plugins[i]->get_android_dependencies_maven_repos(Ref<EditorExportPlatform>(this), p_debug);
 				android_dependencies_maven_repos.append_array(export_plugin_android_dependencies_maven_repos);
 			}
+
+			PackedStringArray features = export_plugins[i]->get_export_features(Ref<EditorExportPlatform>(this), p_debug);
+			if (features.has("dotnet")) {
+				has_dotnet_project = true;
+			}
 		}
 
 		bool clean_build_required = _is_clean_build_required(p_preset);
@@ -3231,12 +3224,13 @@ Error EditorExportPlatformAndroid::export_project_helper(const Ref<EditorExportP
 			cmdline.push_back("clean");
 		}
 
+		String edition = has_dotnet_project ? "Mono" : "Standard";
 		String build_type = p_debug ? "Debug" : "Release";
 		if (export_format == EXPORT_FORMAT_AAB) {
 			String bundle_build_command = vformat("bundle%s", build_type);
 			cmdline.push_back(bundle_build_command);
 		} else if (export_format == EXPORT_FORMAT_APK) {
-			String apk_build_command = vformat("assemble%s", build_type);
+			String apk_build_command = vformat("assemble%s%s", edition, build_type);
 			cmdline.push_back(apk_build_command);
 		}
 
@@ -3319,6 +3313,8 @@ Error EditorExportPlatformAndroid::export_project_helper(const Ref<EditorExportP
 		copy_args.push_back("-p"); // argument to specify the start directory.
 		copy_args.push_back(build_path); // start directory.
 
+		copy_args.push_back("-Pexport_edition=" + edition.to_lower());
+
 		copy_args.push_back("-Pexport_build_type=" + build_type.to_lower());
 
 		String export_format_arg = export_format == EXPORT_FORMAT_AAB ? "aab" : "apk";
-- 
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