Main.java Source code

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//package com.java2s;
/**
 *   ownCloud Android client application
 *
 *   @author David A. Velasco
 *   Copyright (C) 2015 ownCloud Inc.
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License version 2,
 *   as published by the Free Software Foundation.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

import android.net.Uri;
import android.webkit.MimeTypeMap;
import java.io.File;

public class Main {
    /**
     * Checks if file passed is an image
     * @param file
     * @return true/false
     */
    public static boolean isImage(File file) {
        Uri selectedUri = Uri.fromFile(file);
        String fileExtension = MimeTypeMap.getFileExtensionFromUrl(selectedUri.toString().toLowerCase());
        String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension);

        return (mimeType != null && mimeType.startsWith("image/"));
    }
}