check if apk exist by package name - Android App

Android examples for App:APK File

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Description

check if apk exist by package name

Demo Code

/**// ww w .j  a v a2  s .c om
 * Copyright (C) 2012 ToolkitForAndroid Project
 *
 * 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.java2s;

import android.content.Context;

import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;

public class Main {

    public static boolean exist(Context context, String packageName) {
        if (null == packageName || "".equals(packageName)) {
            throw new IllegalArgumentException(
                    "Package name cannot be null or empty !");
        }
        try {
            ApplicationInfo info = context.getPackageManager()
                    .getApplicationInfo(packageName,
                            PackageManager.GET_UNINSTALLED_PACKAGES);
            return null != info;
        } catch (NameNotFoundException e) {
            return false;
        }
    }
}

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