1 /* 2 * Copyright 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.example.android.interactivechart; 18 19 import android.annotation.TargetApi; 20 import android.os.Build; 21 import android.widget.OverScroller; 22 23 /** 24 * A utility class for using {@link android.widget.OverScroller} in a backward-compatible fashion. 25 */ 26 public class OverScrollerCompat { 27 /** 28 * Disallow instantiation. 29 */ OverScrollerCompat()30 private OverScrollerCompat() { 31 } 32 33 /** 34 * @see android.view.ScaleGestureDetector#getCurrentSpanY() 35 */ 36 @TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH) getCurrVelocity(OverScroller overScroller)37 public static float getCurrVelocity(OverScroller overScroller) { 38 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 39 return overScroller.getCurrVelocity(); 40 } else { 41 return 0; 42 } 43 } 44 } 45