!636
!711 // runnable {

import android.app.Activity;
import android.widget.*;
import android.graphics.*;
import android.hardware.Camera;
import android.view.*;

main {
  static Activity androidContext;
  
  psvm {
    print "Listing cameras..."
    
    androidContext.runOnUiThread(runnable {
      int n = Camera.getNumberOfCameras();
      System.out.println("Cameras: " + n);
  
      final Camera cam = Camera.open(0/*n-1*/);
      
      Camera.Parameters p = cam.getParameters();
      p.setPreviewSize(100, 100);
      cam.setParameters(p);

      SurfaceView surfaceView = new SurfaceView(androidContext);
      SurfaceHolder surfaceHolder = surfaceView.getHolder();
      surfaceHolder.addCallback(new CamCallback());
      surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
      
      androidContext.setContentView(surfaceView);
      
      cam.setPreviewDisplay(surfaceHolder);
      cam.startPreview();
      
      print "Preview started."
      
      /*surfaceView.post(runnable {
        cam.takePicture(null, null, null, new JpegCallback());
      });
      
      print "Waiting for callback"*/
    });
  }
  
  static class CamCallback implements SurfaceHolder.Callback {
    public void surfaceChanged (SurfaceHolder holder, int format, int width, int height) {
      print "surfaceChanged"
    }
    public void surfaceCreated (SurfaceHolder holder) {
      print "surfaceCreated"
    }
    public void surfaceDestroyed (SurfaceHolder holder) {
      print "surfaceDestroyed"
    }
  }
  
  static class ShutterCallback implements Camera.ShutterCallback {
    public void onShutter() {
      print "Shutter!"
    }
  }
  
  static class JpegCallback implements Camera.PictureCallback {
    public void onPictureTaken (byte[] data, Camera cam) {
      TextView tv = new TextView(androidContext);
      tv.setText("Picture data: " + data.length);
      androidContext.setContentView(tv);
      
      System.out.println("Picture data: " + data.length);
      cam.release();
      print "Camera released."
    }
  } 
}