Java tutorial
/* * Copyright (C) 2008 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 android.view; /** * Constants to be used to play sound effects via {@link View#playSoundEffect(int)} */ public class SoundEffectConstants { private SoundEffectConstants() { } public static final int CLICK = 0; public static final int NAVIGATION_LEFT = 1; public static final int NAVIGATION_UP = 2; public static final int NAVIGATION_RIGHT = 3; public static final int NAVIGATION_DOWN = 4; /** * Get the sonification constant for the focus directions. * @param direction One of {@link View#FOCUS_UP}, {@link View#FOCUS_DOWN}, * {@link View#FOCUS_LEFT}, {@link View#FOCUS_RIGHT}, {@link View#FOCUS_FORWARD} * or {@link View#FOCUS_BACKWARD} * @return The appropriate sonification constant. * @throws {@link IllegalArgumentException} when the passed direction is not one of the * documented values. */ public static int getContantForFocusDirection(int direction) { switch (direction) { case View.FOCUS_RIGHT: return SoundEffectConstants.NAVIGATION_RIGHT; case View.FOCUS_FORWARD: case View.FOCUS_DOWN: return SoundEffectConstants.NAVIGATION_DOWN; case View.FOCUS_LEFT: return SoundEffectConstants.NAVIGATION_LEFT; case View.FOCUS_BACKWARD: case View.FOCUS_UP: return SoundEffectConstants.NAVIGATION_UP; } throw new IllegalArgumentException("direction must be one of " + "{FOCUS_UP, FOCUS_DOWN, FOCUS_LEFT, FOCUS_RIGHT, FOCUS_FORWARD, FOCUS_BACKWARD}."); } }