--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/android-project/src/org/libsdl/app/SDLActivity.java	Thu Jan 06 17:12:31 2011 -0800
@@ -0,0 +1,389 @@
+package org.libsdl.app;
+
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.opengles.GL10;
+import javax.microedition.khronos.egl.*;
+
+import android.app.*;
+import android.content.*;
+import android.view.*;
+import android.os.*;
+import android.util.Log;
+import android.graphics.*;
+import android.text.method.*;
+import android.text.*;
+import android.media.*;
+import android.hardware.*;
+import android.content.*;
+
+import java.lang.*;
+
+
+/**
+    SDL Activity
+*/
+public class SDLActivity extends Activity {
+
+    //Main components
+    private static SDLActivity mSingleton;
+    private static SDLSurface mSurface;
+
+    //Audio
+    private static AudioTrack mAudioTrack;
+    private static boolean bAudioIsEnabled;
+
+    //Sensors
+    private static boolean bAccelIsEnabled;
+
+    //feature IDs. Must match up on the C side as well.
+    private static int FEATURE_AUDIO = 1;
+    private static int FEATURE_ACCEL = 2;
+
+    //Load the .so
+    static {
+        System.loadLibrary("SDL");
+        System.loadLibrary("main");
+    }
+
+    //Setup
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        
+        //So we can call stuff from static callbacks
+        mSingleton = this;
+
+        //Set up the surface
+        mSurface = new SDLSurface(getApplication());
+        setContentView(mSurface);
+        SurfaceHolder holder = mSurface.getHolder();
+        holder.setType(SurfaceHolder.SURFACE_TYPE_GPU);
+        
+    }
+
+    //Audio
+    public static boolean initAudio(){        
+
+        //blah. Hardcoded things are bad. FIXME when we have more sound stuff
+        //working properly. 
+        mAudioTrack = new AudioTrack(AudioManager.STREAM_MUSIC,
+                    11025,
+                    AudioFormat.CHANNEL_CONFIGURATION_MONO,
+                    AudioFormat.ENCODING_PCM_8BIT,
+                    2048,
+                    AudioTrack.MODE_STREAM);   
+        bAudioIsEnabled = true;     
+        return true;
+    }
+
+    //Accel
+    public static boolean initAccel(){
+        mSurface.enableSensor(Sensor.TYPE_ACCELEROMETER, true);
+        bAccelIsEnabled = true;
+        return true;
+    }
+    
+    public static boolean closeAccel(){
+        mSurface.enableSensor(Sensor.TYPE_ACCELEROMETER, false);
+        bAccelIsEnabled = false;
+        return true;
+    }
+    
+
+    //Events
+    protected void onPause() {
+        super.onPause();
+    }
+
+    protected void onResume() {
+        super.onResume();
+    }
+
+    
+
+
+
+    //C functions we call
+    public static native void nativeInit();
+    public static native void nativeQuit();
+    public static native void nativeSetScreenSize(int width, int height);
+    public static native void onNativeKeyDown(int keycode);
+    public static native void onNativeKeyUp(int keycode);
+    public static native void onNativeTouch(int action, float x, 
+                                            float y, float p);
+    public static native void onNativeResize(int x, int y, int format);
+    public static native void onNativeAccel(float x, float y, float z);
+
+
+
+    //Java functions called from C
+    private static void createGLContext(){
+        mSurface.initEGL();
+    }
+
+    public static void flipBuffers(){
+        mSurface.flipEGL();
+    }
+
+    public static void updateAudio(byte [] buf){
+    
+        if(mAudioTrack == null){
+            return;
+        }
+        
+        mAudioTrack.write(buf, 0, buf.length);
+        mAudioTrack.play();
+        
+        Log.v("SDL","Played some audio");
+    }
+
+    public static void enableFeature(int featureid, int enabled){
+         Log.v("SDL","Feature " + featureid + " = " + enabled);
+
+        //Yuck. This is all horribly inelegent. If it gets to more than a few
+        //'features' I'll rip this out and make something nicer, I promise :)
+        if(featureid == FEATURE_AUDIO){
+            if(enabled == 1){
+                initAudio();
+            }else{
+                //We don't have one of these yet...
+                //closeAudio(); 
+            }
+        }
+
+        else if(featureid == FEATURE_ACCEL){
+            if(enabled == 1){
+                initAccel();
+            }else{
+                closeAccel();
+            }
+        }
+    }
+
+
+
+
+
+    
+    
+}
+
+/**
+    Simple nativeInit() runnable
+*/
+class SDLRunner implements Runnable{
+    public void run(){
+        //SDLActivity.initAudio();
+        
+        //Runs SDL_main()
+        SDLActivity.nativeInit();
+
+        Log.v("SDL","SDL thread terminated");
+    }
+}
+
+
+/**
+    SDLSurface. This is what we draw on, so we need to know when it's created
+    in order to do anything useful. 
+
+    Because of this, that's where we set up the SDL thread
+*/
+class SDLSurface extends SurfaceView implements SurfaceHolder.Callback, 
+    View.OnKeyListener, View.OnTouchListener, SensorEventListener  {
+
+    //This is what SDL runs in. It invokes SDL_main(), eventually
+    private Thread mSDLThread;    
+    
+    //EGL private objects
+    private EGLContext  mEGLContext;
+    private EGLSurface  mEGLSurface;
+    private EGLDisplay  mEGLDisplay;
+
+    //Sensors
+    private static SensorManager mSensorManager;
+
+    //Startup    
+    public SDLSurface(Context context) {
+        super(context);
+        getHolder().addCallback(this); 
+    
+        setFocusable(true);
+        setFocusableInTouchMode(true);
+        requestFocus();
+        setOnKeyListener(this); 
+        setOnTouchListener(this);   
+        
+        mSensorManager = (SensorManager)context.getSystemService("sensor");  
+    }
+
+    //Called when we have a valid drawing surface
+    public void surfaceCreated(SurfaceHolder holder) {
+        Log.v("SDL","Surface created"); 
+
+        int width = getWidth();
+        int height = getHeight();
+
+        //Set the width and height variables in C before we start SDL so we have
+        //it available on init
+        SDLActivity.nativeSetScreenSize(width, height);
+
+        //Now start up the C app thread
+        mSDLThread = new Thread(new SDLRunner(), "SDLThread"); 
+		mSDLThread.start();       
+    }
+
+    //Called when we lose the surface
+    public void surfaceDestroyed(SurfaceHolder holder) {
+        Log.v("SDL","Surface destroyed");
+        
+        SDLActivity.nativeQuit();
+
+        //Now wait for the SDL thread to quit
+        try{
+            mSDLThread.wait();
+        }catch(Exception e){
+            Log.v("SDL","Problem stopping thread: " + e);
+        }
+    }
+
+    //Called when the surface is resized
+    public void surfaceChanged(SurfaceHolder holder, int format, 
+                                int width, int height) {
+        Log.v("SDL","Surface resized");
+        
+        SDLActivity.onNativeResize(width, height, format);
+    }
+
+    //unused
+    public void onDraw(Canvas canvas) {}
+
+    
+    //EGL functions
+    public boolean initEGL(){
+        Log.v("SDL","Starting up");
+
+        try{
+
+            EGL10 egl = (EGL10)EGLContext.getEGL();
+
+            EGLDisplay dpy = egl.eglGetDisplay(EGL10.EGL_DEFAULT_DISPLAY);
+
+            int[] version = new int[2];
+            egl.eglInitialize(dpy, version);
+
+            int[] configSpec = {
+                    //EGL10.EGL_DEPTH_SIZE,   16,
+                    EGL10.EGL_NONE
+            };
+            EGLConfig[] configs = new EGLConfig[1];
+            int[] num_config = new int[1];
+            egl.eglChooseConfig(dpy, configSpec, configs, 1, num_config);
+            EGLConfig config = configs[0];
+
+            EGLContext ctx = egl.eglCreateContext(dpy, config, EGL10.EGL_NO_CONTEXT, null);
+
+            EGLSurface surface = egl.eglCreateWindowSurface(dpy, config, this, null);
+
+            egl.eglMakeCurrent(dpy, surface, surface, ctx);
+
+            mEGLContext = ctx;
+            mEGLDisplay = dpy;
+            mEGLSurface = surface;
+            
+            
+        }catch(Exception e){
+            Log.v("SDL", e + "");
+            for(StackTraceElement s : e.getStackTrace()){
+                Log.v("SDL", s.toString());
+            }
+        }
+        Log.v("SDL","Done making!");
+
+        return true;
+    }
+
+    //EGL buffer flip
+    public void flipEGL(){      
+        try{
+        
+            EGL10 egl = (EGL10)EGLContext.getEGL();
+            GL10 gl = (GL10)mEGLContext.getGL();
+
+            egl.eglWaitNative(EGL10.EGL_NATIVE_RENDERABLE, null);
+
+            //drawing here
+
+            egl.eglWaitGL();
+
+            egl.eglSwapBuffers(mEGLDisplay, mEGLSurface);
+
+            
+        }catch(Exception e){
+            Log.v("SDL", "flipEGL(): " + e);
+
+            for(StackTraceElement s : e.getStackTrace()){
+                Log.v("SDL", s.toString());
+            }
+        }
+    }
+
+
+  
+    //Key events
+    public boolean onKey(View  v, int keyCode, KeyEvent event){
+
+        if(event.getAction() == KeyEvent.ACTION_DOWN){
+            SDLActivity.onNativeKeyDown(keyCode);
+            return true;
+        }
+        
+        else if(event.getAction() == KeyEvent.ACTION_UP){
+            SDLActivity.onNativeKeyUp(keyCode);
+            return true;
+        }
+        
+        return false;
+    }
+
+    //Touch events
+    public boolean onTouch(View v, MotionEvent event){
+    
+        int action = event.getAction();
+        float x = event.getX();
+        float y = event.getY();
+        float p = event.getPressure();
+
+        //TODO: Anything else we need to pass?        
+        SDLActivity.onNativeTouch(action, x, y, p);
+        return true;
+    }
+
+    //Sensor events
+    public void enableSensor(int sensortype, boolean enabled){
+        //TODO: This uses getDefaultSensor - what if we have >1 accels?
+        if(enabled){
+            mSensorManager.registerListener(this, 
+                            mSensorManager.getDefaultSensor(sensortype), 
+                            SensorManager.SENSOR_DELAY_GAME, null);
+        }else{
+            mSensorManager.unregisterListener(this, 
+                            mSensorManager.getDefaultSensor(sensortype));
+        }
+    }
+    
+    public void onAccuracyChanged(Sensor sensor, int accuracy){
+        //TODO
+    }
+
+    public void onSensorChanged(SensorEvent event){
+        if(event.sensor.getType() == Sensor.TYPE_ACCELEROMETER){
+            SDLActivity.onNativeAccel(  event.values[0],
+                                        event.values[1],
+                                        event.values[2] );
+        }
+    }
+
+
+}
+
+