THIS REVISION WILL NOT RUN! Added an own implementation of GLSurfaceView to launch native main() code from it.

alienblaster/project/src/DemoActivity.java

@@ -1,9 +1,15 @@
 // This string is autogenerated by ChangeAppSettings.sh, do not change spaces amount
 package de.schwardtnet.alienblaster;
 
-import javax.microedition.khronos.egl.EGLConfig;
 import javax.microedition.khronos.opengles.GL10;
 
+import javax.microedition.khronos.egl.EGL10;
+import javax.microedition.khronos.egl.EGL11;
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.egl.EGLContext;
+import javax.microedition.khronos.egl.EGLDisplay;
+import javax.microedition.khronos.egl.EGLSurface;
+
 import android.app.Activity;
 import android.content.Context;
 import android.opengl.GLSurfaceView;
@@ -65,22 +71,31 @@ class AccelerometerReader implements SensorListener {
     private long timekeeper;
 
     private float [] v;
+    
+    private SensorManager _manager = null;
 
     public AccelerometerReader(Activity context) {
         v = new float[3];
-        SensorManager sma = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
-        if( sma != null )
+        _manager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
+        if( _manager != null )
         {
             timekeeper = android.os.SystemClock.uptimeMillis();
             int mask = 0;
-            mask |= SensorManager.SENSOR_ORIENTATION;
+            //mask |= SensorManager.SENSOR_ORIENTATION;
             mask |= SensorManager.SENSOR_ACCELEROMETER;
-            sma.registerListener(this, mask, SensorManager.SENSOR_DELAY_GAME);
+            _manager.registerListener(this, mask, SensorManager.SENSOR_DELAY_GAME);
+        }
+    }
+    
+    public synchronized void stop() {
+        if( _manager != null )
+        {
+            _manager.unregisterListener(this);
         }
     }
 
     public synchronized void onSensorChanged(int sensor, float[] values) {
-        if (android.os.SystemClock.uptimeMillis() < timekeeper + 20) return;
+        //if (android.os.SystemClock.uptimeMillis() < timekeeper + 20) return;
         timekeeper = android.os.SystemClock.uptimeMillis();
 
         if (sensor == SensorManager.SENSOR_ACCELEROMETER) {
@@ -90,8 +105,9 @@ class AccelerometerReader implements SensorListener {
                 v[1] = values[1];
             if( values.length >= 3 )
                 v[2] = values[2];
+            nativeAccelerometer(v[0], v[1], v[2]);
         }
-
+        
     }
 
     public synchronized void onAccuracyChanged(int i, int i1) {
@@ -106,15 +122,16 @@ class AccelerometerReader implements SensorListener {
         ret[2] = v[2];
         return ret;
     };
+
+    private native void nativeAccelerometer(float accX, float accY, float accZ);
 }
 
 
 
-class DemoRenderer implements GLSurfaceView.Renderer {
+class DemoRenderer extends GLSurfaceView_SDL.Renderer {
 
 	public DemoRenderer(Activity _context)
 	{
-		super();
 		context = _context;
 	}
 	
@@ -128,30 +145,43 @@ class DemoRenderer implements GLSurfaceView.Renderer {
     }
 
     public void onDrawFrame(GL10 gl) {
-        if( accelerometer == null) {
-            accelerometer = new AccelerometerReader(context);
-            nativeInit();
-        }
-        float [] f = accelerometer.readAccelerometer();
-        nativeRender(f[0], f[1], f[2]);
+
+        nativeInitJavaCallbacks();
+
+        nativeInit(); // Calls main() and never returns, hehe - we'll call eglSwapBuffers() from native code
+
+    }
+    
+    public int swapBuffers() // Called from native code, returns 1 on success, 0 when GL context lost (user put app to background)
+    {
+        System.out.println("Java: swapBuffers() called");
+        return super.SwapBuffers() ? 1 : 0;
     }
 
     public void exitApp() {
          nativeDone();
     };
 
-    private static native void nativeInit();
-    private static native void nativeResize(int w, int h);
-    private static native void nativeRender(float accX, float accY, float accZ);
-    private static native void nativeDone();
-    private AccelerometerReader accelerometer = null;
+    private native void nativeInitJavaCallbacks();
+    private native void nativeInit();
+    private native void nativeResize(int w, int h);
+    private native void nativeDone();
+
     private Activity context = null;
+    
+    private EGL10 mEgl = null;
+    private EGLDisplay mEglDisplay = null;
+    private EGLSurface mEglSurface = null;
+    private EGLContext mEglContext = null;
+    private int skipFrames = 0;
+
 }
 
-class DemoGLSurfaceView extends GLSurfaceView {
+class DemoGLSurfaceView extends GLSurfaceView_SDL {
     public DemoGLSurfaceView(Activity context) {
         super(context);
         mParent = context;
+        accelerometer = new AccelerometerReader(context);
         mRenderer = new DemoRenderer(context);
         setRenderer(mRenderer);
     }
@@ -175,6 +205,8 @@ class DemoGLSurfaceView extends GLSurfaceView {
 
      public void exitApp() {
          mRenderer.exitApp();
+         accelerometer.stop();
+         accelerometer = null;
      };
 
 	@Override
@@ -191,9 +223,10 @@ class DemoGLSurfaceView extends GLSurfaceView {
 
     DemoRenderer mRenderer;
     Activity mParent;
+    AccelerometerReader accelerometer = null;
 
-    public static native void nativeMouse( int x, int y, int action );
-    public static native void nativeKey( int keyCode, int down );
+    public native void nativeMouse( int x, int y, int action );
+    public native void nativeKey( int keyCode, int down );
 }
 
 class AudioThread extends Thread {
@@ -267,10 +300,10 @@ class AudioThread extends Thread {
 		}
 	}
 	
-	private static native int[] nativeAudioInit();
-	private static native int nativeAudioInit2(byte[] buf);
-	private static native int nativeAudioBufferLock();
-	private static native int nativeAudioBufferUnlock();
+	private native int[] nativeAudioInit();
+	private native int nativeAudioInit2(byte[] buf);
+	private native int nativeAudioBufferLock();
+	private native int nativeAudioBufferUnlock();
 }