Lifecycle tweaks that get Android building again

Android/app/src/main/java/org/deadc0de/apple2ix/Apple2Activity.java

@@ -560,12 +560,17 @@ public class Apple2Activity extends Activity {
                 public void onClick(DialogInterface dialog, int which) {
                     nativeOnQuit();
                     Apple2Activity.this.finish();
-                    try {
-                        Thread.sleep(1000);
-                    } catch (InterruptedException ex) {
-                        // ...
-                    }
-                    System.exit(0);
+                    new Runnable() {
+                        @Override
+                        public void run() {
+                            try {
+                                Thread.sleep(2000);
+                            } catch (InterruptedException ex) {
+                                // ...
+                            }
+                            System.exit(0);
+                        }
+                    }.run();
                 }
             }).setNegativeButton(R.string.no, null).create();
             /*mQuitDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {

Android/jni/jnihooks.c

@@ -30,6 +30,8 @@ enum {
     ANDROID_ACTION_POINTER_UP = 0x6,
 };
 
+static bool shuttingDown = false;
+
 #if TESTING
 static void _run_tests(void) {
     char *local_argv[] = {
@@ -134,7 +136,7 @@ void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnCreate(JNIEnv *env, jobje
     _run_tests();
     // CPU thread is started from testsuite (if needed)
 #else
-    timing_startCPU();
+    emulator_start();
 #endif
 }
 
@@ -145,13 +147,8 @@ void Java_org_deadc0de_apple2ix_Apple2Activity_nativeGraphicsChanged(JNIEnv *env
 
 void Java_org_deadc0de_apple2ix_Apple2Activity_nativeGraphicsInitialized(JNIEnv *env, jobject obj, jint width, jint height) {
     LOG("width:%d height:%d", width, height);
-    static bool graphicsPreviouslyInitialized = false;
-    if (graphicsPreviouslyInitialized) {
-        LOG("shutting down previous context");
-        video_shutdown();
-    }
-    graphicsPreviouslyInitialized = true;
 
+    video_shutdown();
     video_backend->reshape(width, height);
     video_backend->init((void *)0);
 }
@@ -171,6 +168,9 @@ void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnResume(JNIEnv *env, jobje
 }
 
 void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnPause(JNIEnv *env, jobject obj, jboolean isSystemPause) {
+    if (shuttingDown) {
+        return;
+    }
     if (cpu_isPaused()) {
         return;
     }
@@ -192,7 +192,7 @@ void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnPause(JNIEnv *env, jobjec
 }
 
 void Java_org_deadc0de_apple2ix_Apple2Activity_nativeRender(JNIEnv *env, jobject obj) {
-    if (UNLIKELY(emulator_shutting_down)) {
+    if (UNLIKELY(shuttingDown)) {
         return;
     }
 
@@ -225,17 +225,16 @@ void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnQuit(JNIEnv *env, jobject
 #if TESTING
     // test driver thread is managing CPU
 #else
+    shuttingDown = true;
+
     LOG("%s", "");
 
     c_eject_6(0);
     c_eject_6(1);
 
-    emulator_shutting_down = true;
-
     cpu_resume();
-    if (pthread_join(cpu_thread_id, NULL)) {
-        ERRLOG("OOPS: pthread_join of CPU thread ...");
-    }
+
+    emulator_shutdown();
 #endif
 }
 
@@ -276,17 +275,22 @@ void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnUncaughtException(JNIEnv
 }
 
 void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnKeyDown(JNIEnv *env, jobject obj, jint keyCode, jint metaState) {
+    if (UNLIKELY(shuttingDown)) {
+        return;
+    }
     android_keycode_to_emulator(keyCode, metaState, true);
 }
 
 void Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnKeyUp(JNIEnv *env, jobject obj, jint keyCode, jint metaState) {
+    if (UNLIKELY(shuttingDown)) {
+        return;
+    }
     android_keycode_to_emulator(keyCode, metaState, false);
 }
 
 jlong Java_org_deadc0de_apple2ix_Apple2Activity_nativeOnTouch(JNIEnv *env, jobject obj, jint action, jint pointerCount, jint pointerIndex, jfloatArray xCoords, jfloatArray yCoords) {
     //LOG(": %d/%d/%d :", action, pointerCount, pointerIndex);
-    if (UNLIKELY(emulator_shutting_down)) {
-        video_shutdown();
+    if (UNLIKELY(shuttingDown)) {
         return 0x0LL;
     }
 

Android/jni/jniprefs.c

@@ -47,7 +47,7 @@ void Java_org_deadc0de_apple2ix_Apple2Preferences_nativeSetSpeakerVolume(JNIEnv
     assert(goesToTen >= 0);
     sound_volume = goesToTen;
 #warning FIXME TODO refactor/remove sound_volume ?
-    speaker_setVolumeZeroToTen(goesToTen);
+    vm_reinitializeAudio();
 }
 
 void Java_org_deadc0de_apple2ix_Apple2Preferences_nativeSetAudioLatency(JNIEnv *env, jclass cls, jfloat latencySecs) {

src/misc.c

@@ -38,10 +38,8 @@ static void _init_common() {
 
 static void _shutdown_threads(void) {
 #if !TESTING
+#   if defined(__linux__) && !defined(ANDROID)
     LOG("Emulator waiting for other threads to clean up...");
-#   if !__linux__
-#       error FIXME TODO on Darwin ...
-#   else
     do {
         DIR *dir = opendir("/proc/self/task");
         if (!dir) {
@@ -71,6 +69,8 @@ static void _shutdown_threads(void) {
         static struct timespec ts = { .tv_sec=0, .tv_nsec=33333333 };
         nanosleep(&ts, NULL); // 30Hz framerate
     } while (1);
+#   elif defined(__APPLE__)
+#       error TODO FIXME ... verify leaks-n-things with instruments on Darwin
 #   endif
 #endif
 }
@@ -96,9 +96,13 @@ int main(int _argc, char **_argv) {
     argv = _argv;
 
     emulator_start();
-    video_main_loop();
+
+    // main loop ...
+
     emulator_shutdown();
 
+    LOG("Emulator exit ...");
+
     return 0;
 }
 #endif