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Apache License
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/* * Copyright (C) 2013 the diamond:dogs|group *//from www .j a va2s.co m * 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 at.diamonddogs.util; import java.util.List; import android.app.Service; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; /** * A collection of Android specific utils */ public class AndroidUtils { private static AndroidUtils INSTANCE; private AndroidUtils() { } /** * Gets the singleton instance of {@link AndroidUtils} * * @return the singleton instance of {@link AndroidUtils} */ public static AndroidUtils getInstance() { if (INSTANCE == null) { INSTANCE = new AndroidUtils(); } return INSTANCE; } /** * Taken and adapted from: http://stackoverflow.com/a/6529160/775241 * Checks if a {@link Service} is available. * * @param context * a {@link Context} object * @param cls * the class of the {@link Service} * @return <code>true</code> if the {@link Service} is available, * <code>false</code> otherwise */ public boolean isServiceAvailable(Context context, Class<?> cls) { final PackageManager packageManager = context.getPackageManager(); final Intent intent = new Intent(context, cls); List<ResolveInfo> resolveInfo = packageManager.queryIntentServices(intent, PackageManager.MATCH_DEFAULT_ONLY); if (resolveInfo.size() > 0) { return true; } return false; } }