java source code of InstallLocationHelper

/*
 * Copyright (C) 2013-2016 Dominik Schürmann <[email protected]>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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/>.
 */

package org.sufficientlysecure.localcalendar.util;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

public class InstallLocationHelper {

    /**
     * Checks if the application is installed on the SD card. See
     * http://stackoverflow.com/questions/
     * 5814474/how-can-i-find-out-if-my-app-is-installed-on-sd-card
     *
     * @return true if the application is installed on the sd cards
     */
    @SuppressLint("SdCardPath")
    public static boolean isInstalledOnSdCard(Context context) {
        PackageManager pm = context.getPackageManager();
        try {
            PackageInfo pi = pm.getPackageInfo(context.getPackageName(), 0);
            ApplicationInfo ai = pi.applicationInfo;
            return (ai.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) == ApplicationInfo.FLAG_EXTERNAL_STORAGE;
        } catch (PackageManager.NameNotFoundException e) {
            // ignore
        }

        return false;
    }
}