Java tutorial
/* * Copyright 2013-2016 microG Project Team * * 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 org.microg.tools.selfcheck; import android.annotation.TargetApi; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.PowerManager; import android.provider.Settings; import android.support.v4.app.Fragment; import com.google.android.gms.R; import static org.microg.tools.selfcheck.SelfCheckGroup.Result.Negative; import static org.microg.tools.selfcheck.SelfCheckGroup.Result.Positive; @TargetApi(23) public class SystemChecks implements SelfCheckGroup, SelfCheckGroup.CheckResolver { public static final int REQUEST_IGNORE_BATTERY_OPTIMIZATIONS = 417; @Override public String getGroupName(Context context) { return context.getString(R.string.self_check_cat_system); } @Override public void doChecks(Context context, ResultCollector collector) { isBatterySavingDisabled(context, collector); } private void isBatterySavingDisabled(final Context context, ResultCollector collector) { PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); collector.addResult(context.getString(R.string.self_check_name_battery_optimizations), pm.isIgnoringBatteryOptimizations(context.getPackageName()) ? Positive : Negative, context.getString(R.string.self_check_resolution_battery_optimizations), this); } @Override public void tryResolve(Fragment fragment) { Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS); intent.setData(Uri.parse("package:" + fragment.getActivity().getPackageName())); fragment.startActivityForResult(intent, REQUEST_IGNORE_BATTERY_OPTIMIZATIONS); } }