Android Open Source - Peterson Application Utils

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License

The source code is released under:

GNU General Public License

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Java Source Code

/*******************************************************************************
 * Copyright (c) 2013 Zheng Sun.//from w w  w.  ja  va  2 s. c  o  m
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Zheng Sun - initial API and implementation
 ******************************************************************************/

package tv.huohua.peterson.misc;

import java.util.List;

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

final public class ApplicationUtils {
    public static boolean isIntentAvailable(final Context context, final String className) {
        final PackageManager packageManager = context.getPackageManager();
        final Intent intent = new Intent(className);
        final List<ResolveInfo> list = packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY);
        return (list.size() > 0);
    }

    public static boolean isPackageAvailable(final Context context, final String packageName) {
        final PackageManager packageManager = context.getPackageManager();
        try {
            packageManager.getPackageInfo(packageName, PackageManager.GET_UNINSTALLED_PACKAGES);
            return true;
        } catch (final NameNotFoundException exception) {
            return false;
        }
    }

    private ApplicationUtils() {
    }
}

Java Source Code List