Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*
 * Copyright (C) 2013 nohana, Inc. All rights reserved.
 *
 * 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.
 */

import android.app.Application;
import android.content.Context;

import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

public class Main {
    private static final String[] INTERNAL_PATH = new String[] { "/data", "/system" };

    public static boolean isInstalledOnSDCard(Context context) {
        return isInstalledOnSDCard((Application) context.getApplicationContext());
    }

    public static final boolean isInstalledOnSDCard(Application app) {
        try {
            String packageName = app.getPackageName();
            PackageInfo info = app.getPackageManager().getPackageInfo(packageName, 0);
            String dir = info.applicationInfo.sourceDir;

            for (String path : INTERNAL_PATH) {
                if (path.equals(dir.substring(0, path.length())))
                    return false;
            }
        } catch (PackageManager.NameNotFoundException exp) {
            throw new IllegalArgumentException(exp);
        }
        return true;
    }
}