1 /* 2 * Copyright (C) 2021 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.android.car.settings.common.rotary; 18 19 import android.widget.SeekBar; 20 21 /** Helper class for rotary manipulation of {@link SeekBar}. */ 22 public final class SeekBarHelper { 23 private static final int ROTARY_SEEKBAR_INCREMENT_STEPS = 100; 24 25 /** 26 * Scales the number of rotations needed to move across the {@link SeekBar} by the value 27 * specified by {@link #ROTARY_SEEKBAR_INCREMENT_STEPS}. 28 */ getScaledSeekBarIncrement(SeekBar seekBar)29 public static int getScaledSeekBarIncrement(SeekBar seekBar) { 30 return (seekBar.getMax() - seekBar.getMin()) / ROTARY_SEEKBAR_INCREMENT_STEPS; 31 } 32 } 33