Epson Moverio Pro BT-2000, Developer'S Manual

Page: 97 / 202

MOVERIO Pro Developer's Guide (Rev.1.4)
91
6.8.13. setPreviewCallback

Function
When the callback method described in 6.8.12 is registered, it is called each time
image data is acquired. The registered callback method is executed repeatedly while
previewing.

Format

Parameter
Model name in/out Explanation
Camera.PreviewCallback cb in Callback object that receives image data.

Return value
None.

Usage procedure

Remarks
To cancel image data acquisition, register null as the callback method.
void setPreviewCallback (
Camera.PreviewCallback cb
);
// App developer applies processing when acquiring image data
private Camera.PreviewCallback mPreviewCB = new
Camera.PreviewCallback() {
@Override
public void onPreviewFrame(byte
data[], Camera camera) {
Log.d(TAG, "Save preview image");
synchronized (lockObject) {
savePreviewData(data);
}
}
};
//Register the callback method at the optimal time
camera.setPreviewCallback(mPreviewCB);
・・・・・・
// When you remove the callback method, register null
camera.setPreviewCallback(null);