Android Open Source - SeeKampf Scale Gesture Detector Compat

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*
 * Copyright 2013 The Android Open Source Project
 *// w  ww  .j  av a  2s.  co  m
 * 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 net.avedo.seekampf.core;

import android.annotation.TargetApi;
import android.os.Build;
import android.view.ScaleGestureDetector;

/**
 * A utility class for using {@link android.view.ScaleGestureDetector} in a backward-compatible
 * fashion.
 */
public class ScaleGestureDetectorCompat {
    /**
     * Disallow instantiation.
     */
    private ScaleGestureDetectorCompat() {
    }

    /**
     * @see android.view.ScaleGestureDetector#getCurrentSpanX()
     */
    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static float getCurrentSpanX(ScaleGestureDetector scaleGestureDetector) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            return scaleGestureDetector.getCurrentSpanX();
        } else {
            return scaleGestureDetector.getCurrentSpan();
        }
    }

    /**
     * @see android.view.ScaleGestureDetector#getCurrentSpanY()
     */
    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public static float getCurrentSpanY(ScaleGestureDetector scaleGestureDetector) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            return scaleGestureDetector.getCurrentSpanY();
        } else {
            return scaleGestureDetector.getCurrentSpan();
        }
    }
}

Java Source Code List