Java Vuforia.setHint方法代码示例

import com.vuforia.Vuforia; //导入方法依赖的package包/类
/**
 * Constructor: Create an instance of this object. It initializes Vuforia with the specified target images and
 * other parameters.
 *
 * @param licenseKey specifies the Vuforia license key.
 * @param cameraViewId specifies the camera view ID on the activity, -1 if none given.
 * @param cameraDir specifies which camera to use (front or back).
 * @param trackablesFile specifies the XML file that contains the target info, can be null.
 * @param numTargets specifies the number of simultaneous trackable targets.
 * @param cameraMonitorFeedback specifies the feedback image showing the orientation of the target.
 */
public FtcVuforia(
        String licenseKey, int cameraViewId, VuforiaLocalizer.CameraDirection cameraDir,
        String trackablesFile, int numTargets,
        VuforiaLocalizer.Parameters.CameraMonitorFeedback cameraMonitorFeedback)
{
    this.cameraDir = cameraDir;
    //
    // If no camera view ID, do not activate camera monitor view to save power.
    //
    VuforiaLocalizer.Parameters params =
            cameraViewId == -1? new VuforiaLocalizer.Parameters(): new VuforiaLocalizer.Parameters(cameraViewId);
    params.vuforiaLicenseKey = licenseKey;
    params.cameraDirection = cameraDir;
    params.cameraMonitorFeedback = cameraMonitorFeedback;
    localizer = ClassFactory.createVuforiaLocalizer(params);
    Vuforia.setHint(HINT.HINT_MAX_SIMULTANEOUS_IMAGE_TARGETS, numTargets);
    if (trackablesFile != null)
    {
        targetList = localizer.loadTrackablesFromAsset(trackablesFile);
    }
}
 

import com.vuforia.Vuforia; //导入方法依赖的package包/类
/**
     * Initialize vuforia
     * This method takes a few seconds to complete
     *
     * @param licenseKey                the Vuforia PTC licence key from https://developer.vuforia.com/license-manager
     * @param cameraMonitorViewIdParent the place in the layout where the camera display is
     * @param widthRequest              the width to scale the image to for the FrameGrabber
     * @param heightRequest             the height to scale the image to for the FrameGrabber
     * @return the VuforiaFrameFeeder object
     */
    public static VuforiaFrameFeeder init(String licenseKey, @IdRes int cameraMonitorViewIdParent, int widthRequest, int heightRequest) {
        //display the camera on the screen
        Parameters params = new Parameters(cameraMonitorViewIdParent);

        //do not display the camera on the screen
//        VuforiaLocalizer.Parameters params = new VuforiaLocalizer.Parameters();

        params.cameraDirection = CameraDirection.BACK;

        params.vuforiaLicenseKey = licenseKey;
        params.cameraMonitorFeedback = Parameters.CameraMonitorFeedback.AXES;

        //create a new VuforiaFrameFeeder object (this takes a few seconds)
        VuforiaFrameFeeder vuforia = new VuforiaFrameFeeder(params, widthRequest, heightRequest);

        //there are 4 beacons, so set the max image targets to 4
        Vuforia.setHint(HINT.HINT_MAX_SIMULTANEOUS_IMAGE_TARGETS, 4);
        return vuforia;
    }
 

import com.vuforia.Vuforia; //导入方法依赖的package包/类
/**
     * Initialize vuforia
     * This method takes a few seconds to complete
     *
     * @param licenseKey                the Vuforia PTC licence key from https://developer.vuforia.com/license-manager
     * @param cameraMonitorViewIdParent the place in the layout where the camera display is
     * @param widthRequest              the width to scale the image to for the FrameGrabber
     * @param heightRequest             the height to scale the image to for the FrameGrabber
     * @return the VuforiaFrameGrabberInit object
     */
    public static VuforiaFrameGrabberInit init(String licenseKey, @IdRes int cameraMonitorViewIdParent, int widthRequest, int heightRequest) {
        //display the camera on the screen
        Parameters params = new Parameters(cameraMonitorViewIdParent);

        //do not display the camera on the screen
//        VuforiaLocalizer.Parameters params = new VuforiaLocalizer.Parameters();

        params.cameraDirection = CameraDirection.BACK;

        params.vuforiaLicenseKey = licenseKey;
        params.cameraMonitorFeedback = Parameters.CameraMonitorFeedback.AXES;

        //create a new VuforiaFrameGrabberInit object (this takes a few seconds)
        VuforiaFrameGrabberInit vuforia = new VuforiaFrameGrabberInit(params, widthRequest, heightRequest);

        //there are 4 beacons, so set the max image targets to 4
        Vuforia.setHint(HINT.HINT_MAX_SIMULTANEOUS_IMAGE_TARGETS, 4);
        return vuforia;
    }
 

import com.vuforia.Vuforia; //导入方法依赖的package包/类
@Override
public boolean doStartTrackers()
{
    // Indicate if the trackers were started correctly
    boolean result = true;
    
    Tracker objectTracker = TrackerManager.getInstance().getTracker(
        ObjectTracker.getClassType());
    if (objectTracker != null)
    {
        objectTracker.start();
        Vuforia.setHint(HINT.HINT_MAX_SIMULTANEOUS_IMAGE_TARGETS, 2);
    } else
        result = false;
    
    return result;
}
 

import com.vuforia.Vuforia; //导入方法依赖的package包/类
@Override
public boolean doStartTrackers() {
    // Indicate if the trackers were started correctly
    boolean result = true;

    Tracker imageTracker = TrackerManager.getInstance().getTracker(
            ObjectTracker.getClassType());
    if (imageTracker != null) {
        imageTracker.start();
        Vuforia.setHint(HINT.HINT_MAX_SIMULTANEOUS_IMAGE_TARGETS, 1);
    } else
        result = false;

    return result;
}