Android examples for Graphics:Image File
Is this an image file
/* // w ww .ja va 2 s . c o m * Copyright (C) 2007-2008 OpenIntents.org * * 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 com.book2s; public class Main { public static final String JPG = ".jpg"; public static final String GIF = ".gif"; public static final String PNG = ".png"; public static final String BMP = ".bmp"; /** * Is this an image file * @param path * @return true if file is an image file */ public static boolean isImageFile(String path) { String extension = getExtension(path); if (extension != null) { if (JPG.equalsIgnoreCase(extension) || GIF.equalsIgnoreCase(extension) || PNG.equalsIgnoreCase(extension) || BMP.equalsIgnoreCase(extension)) { return true; } } return false; } /** * Gets the extension of a file name, like ".png" or ".jpg". * * @param uri * @return Extension including the dot("."); "" if there is no extension; * null if uri was null. */ public static String getExtension(String uri) { if (uri == null) { return null; } int dot = uri.lastIndexOf("."); if (dot >= 0) { return uri.substring(dot); } else { // No extension. return ""; } } }