MainFragment.java

package dk.itu.eyedroid.demo;

import org.opencv.android.CameraBridgeViewBase;

import android.app.Activity;
import android.app.Fragment;
import android.hardware.Camera.CameraInfo;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import dk.itu.eyedroid.EyeDroid;
import dk.itu.eyedroid.R;
import dk.itu.eyedroid.filters.PreviewFilter;
import dk.itu.eyedroid.io.protocols.InputStreamCamera;
import dk.itu.eyedroid.io.protocols.InputStreamUSBCamera;
import dk.itu.eyedroid.io.protocols.OutputTCPNet;
import dk.itu.spcl.jlpf.io.IOProtocolReader;
import dk.itu.spcl.jlpf.io.IORWDefaultImpl;
/**
 * Demo created to be used with a tcp client.
 */
public class MainFragment extends Fragment {

	final String URL = "http://217.197.157.7:7070/axis-cgi/mjpg/video.cgi?resolution=320x240";

	public static final String TAG = "TestFragment";
	public static final String CAMERA_OPTION = "camera_option";
	public static final int FRONT_CAMERA = 0; // Device front camera id.
	public static final int BACK_CAMERA = 1; // Device back camera id.
	public static final int USB_CAMERA = 2; // External usb plugged camera id.

	private EyeDroid EYEDROID; // Core component
	private View mRootView; // Fragment root view
	private ImageView mImageView; // View used to show the input video + the resulting coordinates on screen.
	private PreviewFilter mPreviewFilter; // Last filter in the architecture.Used to draw a circle in the pupil.

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
		mRootView = inflater.inflate(R.layout.streaming_layout, container,false);
		mImageView = (ImageView) mRootView.findViewById(R.id.mjpeg_view);
		EYEDROID = new EyeDroid(getActivity());
		return mRootView;
	}

	@Override
	public void onAttach(Activity activity) {
		super.onAttach(activity);
		this.setHasOptionsMenu(true);
	}

	@Override
	public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
		super.onCreateOptionsMenu(menu, inflater);
		inflater.inflate(R.menu.main_framgnet, menu);
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
		// Disable preview on screen by clicking start/stop button.
		if (item.getItemId() == R.id.preview) {
			if (mPreviewFilter.isEnabled()) {
				mPreviewFilter.disablePreview();
				item.setIcon(getResources().getDrawable(R.drawable.start_btn));
			} else {
				mPreviewFilter.enablePreview();
				item.setIcon(getResources().getDrawable(R.drawable.stop_btn));
			}
			return true;
		}
		return super.onOptionsItemSelected(item);
	}

	public IORWDefaultImpl createProtocols() {

		// Setup EyeDroid input protocol.
		
		int whichCamera = this.getArguments().getInt(CAMERA_OPTION);
		CameraBridgeViewBase camera = (CameraBridgeViewBase) mRootView.findViewById(R.id.opencv_camera_view);

		IOProtocolReader inProtocol = null;

		switch (whichCamera) {
		case FRONT_CAMERA:
			inProtocol = new InputStreamCamera(getActivity(), camera,
					CameraInfo.CAMERA_FACING_FRONT);
			break;
		case BACK_CAMERA:
			inProtocol = new InputStreamCamera(getActivity(), camera,
					CameraInfo.CAMERA_FACING_BACK);
			break;
		case USB_CAMERA:
			inProtocol = new InputStreamUSBCamera(getActivity(), 3);
			break;
		default:
			break;
		}

		OutputTCPNet outProtocol = new OutputTCPNet(5000);
		IORWDefaultImpl io_rw = new IORWDefaultImpl(inProtocol, outProtocol);

		return io_rw;
	}

	@Override
	public void onResume() {
		super.onResume();
		Log.i(TAG, "OnResume");
		IORWDefaultImpl io = createProtocols();
		EYEDROID.setIOProtocols(io, io);
		mPreviewFilter = EYEDROID.addAndGetPreview(mImageView);
		EYEDROID.start();
	}

	@Override
	public void onPause() {
		super.onPause();
		Log.i(TAG, "OnPause");
		EYEDROID.stop();
	}
}