Java tutorial
//package com.java2s; /** * Copyright 2015 Alex Yanchenko * * 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 static android.content.pm.PackageManager.SIGNATURE_MATCH; import android.content.Context; public class Main { public static boolean doSignaturesMatch(Context ctx, String pkg1, String pkg2) { boolean match = ctx.getPackageManager().checkSignatures(pkg1, pkg2) == SIGNATURE_MATCH; return match; } }