<uses-permissionandroid:name="android.permission.CAMERA"/>

<FrameLayout
    android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <SurfaceView
      android:id="@+id/SurfaceView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"/>
    <com.example.artist.PaintView
      android:id="@+id/PaintView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"/>
</FrameLayout>

mSurfaceView = (SurfaceView)this.findViewById(R.id.sfView);
mSurfaceHolder = mSurfaceView.getHolder();
mSurfaceHolder.addCallback(SimplePaintActivity.this);
mSurfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
mCamera = Camera.open();
Camera.Parameters parameters = mCamera.getParameters();
parameters.setPictureFormat(PixelFormat.JPEG);
parameters.setPreviewSize(dm.widthPixels, dm.heightPixels);
parameters.setPictureSize(dm.widthPixels, dm.heightPixels);
mCamera.setParameters(parameters);
try {
  mCamera.setPreviewDisplay(mSurfaceHolder);
} catch (IOException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
}
mCamera.startPreview();

mBkColor = Color.argb(100, 255, 255, 255);
canvas.drawColor(mBkColor);