Do not call exit() when app put to background, we'll recreate GL textures from SDL (not done yet!)

project/src/GLSurfaceView_SDL.java

@@ -18,7 +18,7 @@
    fixed with a hammer and rasp to work with libSDL port */
 
 // This string is autogenerated by ChangeAppSettings.sh, do not change spaces amount
-package com.sourceforge.sc2;
+package com.googlecode.opentyrian;
 
 import java.io.Writer;
 import java.util.ArrayList;
@@ -543,6 +543,8 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
          */
         public abstract void onSurfaceCreated(GL10 gl, EGLConfig config);
 
+        public abstract void onSurfaceDestroyed();
+
         /**
          * Called when the surface changed size.
          * <p>
@@ -943,6 +945,7 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
                         r.run();
                     }
                     if (mPaused) {
+                        mRenderer.onSurfaceDestroyed();
                         mEglHelper.finish();
                         mNeedStart = true;
                     }
@@ -984,6 +987,7 @@ public class GLSurfaceView_SDL extends SurfaceView implements SurfaceHolder.Call
                 if( mEglHelper.swap() )
                     return true;
                 // We've lost GL context - recreate it
+                mRenderer.onSurfaceDestroyed();
                 mEglHelper.finish();
                 mNeedStart = true;
               }