Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 1999-2101 Alibaba Group.
 *
 * 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 java.util.List;

import android.content.Context;

import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;

import android.os.Build;

public class Main {
    /**
     * @param context
     *            used to check the device version and DownloadManager
     *            information
     * @return true if the download manager is available
     */
    public static boolean isDownloadManagerAvailable(Context context) {
        try {
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.GINGERBREAD) {
                return false;
            }
            Intent intent = new Intent(Intent.ACTION_MAIN);
            intent.addCategory(Intent.CATEGORY_LAUNCHER);
            intent.setClassName("com.android.providers.downloads.ui",
                    "com.android.providers.downloads.ui.DownloadList");
            List<ResolveInfo> list = context.getPackageManager().queryIntentActivities(intent,
                    PackageManager.MATCH_DEFAULT_ONLY);
            return list.size() > 0;
        } catch (Exception e) {
            return false;
        }
    }
}