[Base] Android error reporting via SIGABRT/RuntimeException

src/xenia/base/logging.cc

@@ -11,6 +11,7 @@
 
 #include <algorithm>
 #include <atomic>
+#include <cstdlib>
 #include <cstring>
 #include <mutex>
 #include <vector>
@@ -500,7 +501,13 @@ void FatalError(const std::string_view str) {
   }
 
   ShutdownLogging();
-  std::exit(1);
+
+#if XE_PLATFORM_ANDROID
+  // Throw an error that can be reported to the developers via the store.
+  std::abort();
+#else
+  std::exit(EXIT_FAILURE);
+#endif  // XE_PLATFORM_ANDROID
 }
 
 }  // namespace xe

src/xenia/base/system_android.cc

@@ -0,0 +1,36 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2022 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <cstring>
+
+#include "xenia/base/assert.h"
+#include "xenia/base/system.h"
+
+namespace xe {
+
+void LaunchWebBrowser(const std::string_view url) {
+  // TODO(Triang3l): Intent.ACTION_VIEW (need a Java VM for the thread -
+  // possibly restrict this to the UI thread).
+  assert_always();
+}
+
+void LaunchFileExplorer(const std::filesystem::path& path) { assert_always(); }
+
+void ShowSimpleMessageBox(SimpleMessageBoxType type, std::string_view message) {
+  // TODO(Triang3l): Likely not needed much at all. ShowSimpleMessageBox is a
+  // concept pretty unfriendly to platforms like Android because it's blocking,
+  // and because it can be called from threads other than the UI thread. In the
+  // normal execution flow, dialogs should preferably be asynchronous, and used
+  // only in the UI thread. However, non-blocking messages may be good for error
+  // reporting - investigate the usage of Toasts with respect to threads, and
+  // aborting the process immediately after showing a Toast. For a Toast, the
+  // Java VM for the calling thread is needed.
+}
+
+}  // namespace xe