Fix improper shutdown

src/client/clientlauncher.cpp

@@ -34,6 +34,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "fontengine.h"
 #include "clientlauncher.h"
 
+#ifdef ANDROID
+	#include "porting_android.h"
+#endif
+
 /* mainmenumanager.h
  */
 gui::IGUIEnvironment *guienv = NULL;
@@ -191,6 +195,10 @@ bool ClientLauncher::run(GameParams &game_params, const Settings &cmd_args)
 		device->setWindowCaption((narrow_to_wide("MultiCraft") + L" [" + text + L"]").c_str());
 		delete[] text;
 
+#ifdef ANDROID
+		porting::handleAndroidActivityEvents();
+#endif
+
 		try {	// This is used for catching disconnects
 
 			guienv->clear();

src/game.cpp

@@ -68,6 +68,10 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	#include "touchscreengui.h"
 #endif
 
+#ifdef ANDROID
+	#include "porting_android.h"
+#endif
+
 extern Settings *g_settings;
 extern Profiler *g_profiler;
 
@@ -1766,6 +1770,10 @@ void Game::run()
 
 	while (device->run() && !(*kill || g_gamecallback->shutdown_requested)) {
 
+#ifdef ANDROID
+		porting::handleAndroidActivityEvents();
+#endif
+
 		/* Must be called immediately after a device->run() call because it
 		 * uses device->getTimer()->getTime()
 		 */

src/mainmenumanager.h

@@ -138,7 +138,7 @@ public:
 	{
 		shutdown_requested = true;
 #ifndef __ANDROID__
-		device->closeDevice();
+		porting::handleAndroidActivityEvents();
 #endif
 	}
 

src/porting_android.cpp

@@ -27,6 +27,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "filesys.h"
 #include "log.h"
 #include <sstream>
+#include <android_native_app_glue.h>
 
 #ifdef GPROF
 #include "prof.h"
@@ -63,7 +64,7 @@ void android_main(android_app *app)
 
 	porting::cleanupAndroid();
 	errorstream << "Shutting down minetest." << std::endl;
-	exit(0);
+
 }
 
 /* handler for finished message box input */
@@ -88,6 +89,17 @@ android_app* app_global;
 JNIEnv*      jnienv;
 jclass       nativeActivity;
 
+void handleAndroidActivityEvents()
+{
+	int ident;
+	int events;
+	struct android_poll_source *source;
+
+	while ( (ident = ALooper_pollOnce(0, NULL, &events, (void**)&source)) >= 0)
+		if (source)
+			source->process(porting::app_global, source);
+}
+
 jclass findClass(std::string classname)
 {
 	if (jnienv == 0) {
@@ -163,7 +175,8 @@ void cleanupAndroid()
 #endif
 
 	JavaVM *jvm = app_global->activity->vm;
-	jvm->DetachCurrentThread();
+	if (jvm)
+		jvm->DetachCurrentThread();
 }
 
 void setExternalStorageDir(JNIEnv* lJNIEnv)

src/porting_android.h

@@ -76,6 +76,7 @@ int getInputDialogState();
  */
 std::string getInputDialogValue();
 
+void handleAndroidActivityEvents();
 }
 
 #endif