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TrackedGraphic.java

/*
 * Copyright (C) The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.google.android.gms.samples.vision.face.multitracker;

import com.google.android.gms.samples.vision.face.multitracker.ui.camera.GraphicOverlay;

/**
 * Common base class for defining graphics for a particular item type.  This along with
 * {@link GraphicTracker} avoids the need to duplicate this code for both the face and barcode
 * instances.
 */
abstract class TrackedGraphic<T> extends GraphicOverlay.Graphic {
    private int mId;

TrackedGraphic(GraphicOverlay overlay) {
        super(overlay);
    }

void setId(int id) {
        mId = id;
    }

protected int getId() {
        return mId;
    }

abstract void updateItem(T item);
}