Java TrackerManager.getTracker方法代码示例

import com.vuforia.TrackerManager; //导入方法依赖的package包/类
@Override
public void onVuforiaUpdate(State state)
{
    if (mSwitchDatasetAsap)
    {
        mSwitchDatasetAsap = false;
        TrackerManager tm = TrackerManager.getInstance();
        ObjectTracker ot = (ObjectTracker) tm.getTracker(ObjectTracker
            .getClassType());
        if (ot == null || mCurrentDataset == null
            || ot.getActiveDataSet() == null)
        {
            Log.d(LOGTAG, "Failed to swap datasets");
            return;
        }

        doUnloadTrackersData();
        doLoadTrackersData();
    }
}
 

import com.vuforia.TrackerManager; //导入方法依赖的package包/类
@Override
public boolean doLoadTrackersData() {
    // Get the image tracker:
    TrackerManager trackerManager = TrackerManager.getInstance();
    ObjectTracker imageTracker = (ObjectTracker) trackerManager.getTracker(ObjectTracker.getClassType());

    if (imageTracker == null) {
        Log.d(LOGTAG, "Failed to load tracking data set because the ImageTracker has not been initialized.");
        return false;
    }

    // Create the data sets:
    posterDataSet = imageTracker.createDataSet();
    if (posterDataSet == null) {
        Log.d(LOGTAG, "Failed to create a new tracking data.");
        return false;
    }

    // Load the data sets:
    if (!posterDataSet.load("StonesAndChips.xml", STORAGE_TYPE.STORAGE_APPRESOURCE)) {
        Log.d(LOGTAG, "Failed to load data set.");
        return false;
    }

    // Activate the data set:
    if (!imageTracker.activateDataSet(posterDataSet)) {
        Log.d(LOGTAG, "Failed to activate data set.");
        return false;
    }

    Log.d(LOGTAG, "Successfully loaded and activated data set.");
    return true;
}
 

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

    // Get the image tracker:
    TrackerManager trackerManager = TrackerManager.getInstance();
    ObjectTracker imageTracker = (ObjectTracker) trackerManager
            .getTracker(ObjectTracker.getClassType());
    if (imageTracker == null) {
        Log.d(LOGTAG, "Failed to destroy the tracking data set because the ImageTracker has not been initialized.");
        return false;
    }

    if (posterDataSet != null) {
        if (imageTracker.getActiveDataSet() == posterDataSet && !imageTracker.deactivateDataSet(posterDataSet)) {
            Log.d(LOGTAG, "Failed to destroy the tracking data set StonesAndChips because the data set could not be deactivated.");
            result = false;
        } else if (!imageTracker.destroyDataSet(posterDataSet)) {
            Log.d(LOGTAG, "Failed to destroy the tracking data set StonesAndChips.");
            result = false;
        }

        posterDataSet = null;
    }

    return result;
}
 

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

    TrackerManager tManager = TrackerManager.getInstance();
    ObjectTracker objectTracker = (ObjectTracker) tManager
        .getTracker(ObjectTracker.getClassType());
    if (objectTracker == null)
        return false;

    if (mCurrentDataset != null && mCurrentDataset.isActive())
    {
        if (objectTracker.getActiveDataSet().equals(mCurrentDataset)
            && !objectTracker.deactivateDataSet(mCurrentDataset))
        {
            result = false;
        } else if (!objectTracker.destroyDataSet(mCurrentDataset))
        {
            result = false;
        }

        mCurrentDataset = null;
    }

    return result;
}
 

import com.vuforia.TrackerManager; //导入方法依赖的package包/类
@Override
public boolean doUnloadTrackersData()
{
    // Indicate if the trackers were unloaded correctly
    boolean result = true;
    
    // Get the image tracker:
    TrackerManager trackerManager = TrackerManager.getInstance();
    ObjectTracker objectTracker = (ObjectTracker) trackerManager
        .getTracker(ObjectTracker.getClassType());
    if (objectTracker == null)
    {
        Log.d(
            LOGTAG,
            "Failed to destroy the tracking data set because the ObjectTracker has not been initialized.");
        return false;
    }
    
    if (dataSetStonesAndChips != null)
    {
        if (objectTracker.getActiveDataSet() == dataSetStonesAndChips
            && !objectTracker.deactivateDataSet(dataSetStonesAndChips))
        {
            Log.d(
                LOGTAG,
                "Failed to destroy the tracking data set StonesAndChips because the data set could not be deactivated.");
            result = false;
        } else if (!objectTracker.destroyDataSet(dataSetStonesAndChips))
        {
            Log.d(LOGTAG,
                "Failed to destroy the tracking data set StonesAndChips.");
            result = false;
        }
        
        dataSetStonesAndChips = null;
    }
    
    return result;
}
 

import com.vuforia.TrackerManager; //导入方法依赖的package包/类
@Override
public boolean doLoadTrackersData()
{
    TrackerManager tManager = TrackerManager.getInstance();
    ObjectTracker objectTracker = (ObjectTracker) tManager
        .getTracker(ObjectTracker.getClassType());
    if (objectTracker == null)
        return false;

    if (mCurrentDataset == null)
        mCurrentDataset = objectTracker.createDataSet();

    if (mCurrentDataset == null)
        return false;

    //Determine the storage type.
    int storage_type;
    String dataFile = mDatasetStrings.get(mCurrentDatasetSelectionIndex);

    if(dataFile.startsWith(FILE_PROTOCOL)){
        storage_type = STORAGE_TYPE.STORAGE_ABSOLUTE;
        dataFile = dataFile.substring(FILE_PROTOCOL.length(), dataFile.length());
        mDatasetStrings.set(mCurrentDatasetSelectionIndex, dataFile);
        Log.d(LOGTAG, "Reading the absolute path: " + dataFile);
    }else{
        storage_type = STORAGE_TYPE.STORAGE_APPRESOURCE;
        Log.d(LOGTAG, "Reading the path " + dataFile + " from the assets folder.");
    }

    if (!mCurrentDataset.load(
        mDatasetStrings.get(mCurrentDatasetSelectionIndex), storage_type))
        return false;


    if (!objectTracker.activateDataSet(mCurrentDataset))
        return false;

    int numTrackables = mCurrentDataset.getNumTrackables();
    for (int count = 0; count < numTrackables; count++)
    {
        Trackable trackable = mCurrentDataset.getTrackable(count);
        if(isExtendedTrackingActive())
        {
            trackable.startExtendedTracking();
        }

        String obj_name = trackable.getName();

        String name = "Current Dataset : " + obj_name;
        trackable.setUserData(name);
        Log.d(LOGTAG, "UserData:Set the following user data "
            + (String) trackable.getUserData());
    }

    return true;
}
 

import com.vuforia.TrackerManager; //导入方法依赖的package包/类
@Override
public boolean doLoadTrackersData()
{
    // Get the image tracker:
    TrackerManager trackerManager = TrackerManager.getInstance();
    ObjectTracker objectTracker = (ObjectTracker) trackerManager
        .getTracker(ObjectTracker.getClassType());
    if (objectTracker == null)
    {
        Log.d(
            LOGTAG,
            "Failed to load tracking data set because the ObjectTracker has not been initialized.");
        return false;
    }
    
    // Create the data sets:
    dataSetStonesAndChips = objectTracker.createDataSet();
    if (dataSetStonesAndChips == null)
    {
        Log.d(LOGTAG, "Failed to create a new tracking data.");
        return false;
    }
    
    // Load the data sets:
    if (!dataSetStonesAndChips.load("StonesAndChips.xml",
        STORAGE_TYPE.STORAGE_APPRESOURCE))
    {
        Log.d(LOGTAG, "Failed to load data set.");
        return false;
    }
    
    // Activate the data set:
    if (!objectTracker.activateDataSet(dataSetStonesAndChips))
    {
        Log.d(LOGTAG, "Failed to activate data set.");
        return false;
    }
    
    Log.d(LOGTAG, "Successfully loaded and activated data set.");
    return true;
}