1 /* 2 * Copyright (C) 2008 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 android.view; 18 19 /** 20 * Constants to be used to play sound effects via {@link View#playSoundEffect(int)} 21 */ 22 public class SoundEffectConstants { 23 24 private SoundEffectConstants() {} 25 26 public static final int CLICK = 0; 27 28 public static final int NAVIGATION_LEFT = 1; 29 public static final int NAVIGATION_UP = 2; 30 public static final int NAVIGATION_RIGHT = 3; 31 public static final int NAVIGATION_DOWN = 4; 32 33 /** 34 * Get the sonification constant for the focus directions. 35 * @param direction One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN}, 36 * {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT}, {@link View#FOCUS_FORWARD} 37 * or {@link View#FOCUS_BACKWARD} 38 39 * @return The appropriate sonification constant. 40 * @throws {@link IllegalArgumentException} when the passed direction is not one of the 41 * documented values. 42 */ 43 public static int getContantForFocusDirection(int direction) { 44 switch (direction) { 45 case View.FOCUS_RIGHT: 46 return SoundEffectConstants.NAVIGATION_RIGHT; 47 case View.FOCUS_FORWARD: 48 case View.FOCUS_DOWN: 49 return SoundEffectConstants.NAVIGATION_DOWN; 50 case View.FOCUS_LEFT: 51 return SoundEffectConstants.NAVIGATION_LEFT; 52 case View.FOCUS_BACKWARD: 53 case View.FOCUS_UP: 54 return SoundEffectConstants.NAVIGATION_UP; 55 } 56 throw new IllegalArgumentException("direction must be one of " 57 + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_FORWARD, FOCUS_BACKWARD}."); 58 } 59 } 60
