iotmath iot mathematics: 2月 2020

2020年2月17日星期一

CameraPreview

// Create our Preview view and set it as the content of our// activity.preview = new CameraPreview(this);
setContentView(preview);
histogram = new HistogramView(this);
ViewGroup parent = (ViewGroup) preview.getParent();
parent.addView(histogram);
preview.setHistogramView(histogram);
button = new ImageButton(this);