DisplayMetrics displayMetrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(displayMetrics);
int height = displayMetrics.heightPixels;
int width = displayMetrics.widthPixels;

VidCodecParam para = ((Endpoint)(ep)).getVideoCodecParam("H264"); MediaFormatVideo encFmt = para.getEncFmt(); encFmt.setWidth(width); encFmt.setHeight(height); ep.setVideoCodecParam("H264", para);