Simpler thread management

using the alarm thread to refresh the surface

.gitignore

@@ -32,3 +32,5 @@ app/app.iml
 ehthumbs.db
 Thumbs.db
 
+
+app/app-all-release.apk

app/src/main/AndroidManifest.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-      package="org.ab.x48" android:installLocation="auto" android:versionCode="72" android:versionName="1.72">
+      package="org.ab.x48" android:installLocation="auto" android:versionCode="73" android:versionName="1.73">
     <application android:icon="@drawable/icon" android:label="@string/app_name">
         <activity android:name=".X48"
                   android:label="@string/app_name"

app/src/main/java/org/ab/x48/HPView.java

@@ -35,10 +35,9 @@ import android.view.MotionEvent;
 import android.view.SurfaceHolder;
 import android.view.SurfaceView;
 
-public class HPView extends SurfaceView implements SurfaceHolder.Callback, Runnable {
+public class HPView extends SurfaceView implements SurfaceHolder.Callback {
 
 	private static final int MAX_TOUCHES = 49;
-	private Thread drawThread;
 	private X48 x48;
 	private Bitmap mainScreen;
 	private SurfaceHolder mSurfaceHolder;
@@ -1028,19 +1027,23 @@ public class HPView extends SurfaceView implements SurfaceHolder.Callback, Runna
 	
 	public void key(int code, boolean down, int pointerID) {
 		if (code < MAX_TOUCHES) {
-			synchronized(queuedCodes) {
 				if (down) {
 					Integer cI = code + 1;
-					queuedCodes.add(cI);
+					synchronized(queuedCodes) {
+						queuedCodes.add(cI);
+					}
 					touches[code] = pointerID;
 					performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,
 							HapticFeedbackConstants.FLAG_IGNORE_GLOBAL_SETTING);
 				} else {
 					Integer cI = code + 100;
-					queuedCodes.add(cI);
+					synchronized(queuedCodes) {
+						queuedCodes.add(cI);
+					}
 					touches[code] = 0;
 				}
-			}
+
+			//x48.SIGALRM();
 			x48.flipScreen();
 		}
 	}
@@ -1082,8 +1085,6 @@ public class HPView extends SurfaceView implements SurfaceHolder.Callback, Runna
 		Log.i("x48", "Surface created");
 		
 		surfaceValid = true;
-		drawThread = new Thread(this);
-		drawThread.start();
 		
 	}
 
@@ -1114,24 +1115,13 @@ public class HPView extends SurfaceView implements SurfaceHolder.Callback, Runna
 		pause = false;
 	}
 
-	@Override
+	public void refresh() {
-	public void run() {
+		if (surfaceValid) {
-		Log.i("x48", "drawing thread started");
-		x48.flipScreen();
-		while (surfaceValid) {
 			if (needFlip || x48.fillScreenData(buf, ann) == 1) {
 				needFlip = false;
 				refreshMainScreen(buf);
 			}
-			do {
-				try {
-					Thread.sleep(40);
-				} catch (InterruptedException e) {
-					e.printStackTrace();
-				}
-			} while (pause && surfaceValid);
 		}
-		//Log.i("x48", "drawing thread stopped");
 	}
 
 	@Override

app/src/main/java/org/ab/x48/X48.java

@@ -215,11 +215,14 @@ public class X48 extends Activity {
 			SIGALRM = null;
 		}
 		SIGALRM = new Timer();
-		SIGALRM.schedule(new TimerTask() {
+		SIGALRM.scheduleAtFixedRate(new TimerTask() {
 			@Override
 			public void run() {
-				if (thread != null)
+				if (thread != null) {
 					SIGALRM();
+					if (mainView != null)
+						mainView.refresh();
+				}
 			}
 		}, 0, 20);
 		if (mainView  != null)

app/src/main/jni/x48.c

@@ -622,12 +622,38 @@ GetEvent()
 #endif
 {
 
-	int         wake = 0;
+    static int release_pending = 0;
+    static int release_pending_code = 0;
+	int         wake = 1;
 	/*wake = (*android_env)->CallIntMethod(android_env, android_callback, waitEvent);
 	return wake;
 	*/
 
-	int code = (*android_env)->CallIntMethod(android_env, android_callback, waitEvent);
+    if (release_pending)
+    {
+        key_event(release_pending_code, 0);
+        wake = 1;
+        release_pending = 0;
+        return wake;
+    }
+
+    unsigned int code = 0;
+    while ((code=(*android_env)->CallIntMethod(android_env, android_callback, waitEvent)) > 0) {
+        //LOGI("code %u", code);
+        if (code < 100)
+        {
+            key_event(code - 1, 1);
+            wake = 1;
+            break;
+        } else {
+            //key_event(code - 100, 0);
+            release_pending = 1;
+            release_pending_code = code - 100;
+            break;
+        }
+    }
+
+    return wake;
 
     //LOGI("code: %d", code);
     //FIX for Zenfone 2
@@ -636,7 +662,7 @@ GetEvent()
     req.tv_nsec = 100L;
     nanosleep(&req , &rem);*/
 
-	if (code < 0)
+	/*if (code < 0)
 	{
 		code = -code;
 		wake = 0;
@@ -655,7 +681,7 @@ GetEvent()
 
 //	LOGI("wake: %d", wake);
 
-	return wake;
+	return wake;*/
 }
 
 int