Move RecentLocationApps to SettingsLib

import android.widget.Switch;

import com.android.internal.logging.MetricsLogger;

import com.android.settings.DimmableIconPreference;

import com.android.settings.PreferenceActivity;

import com.android.settings.R;

import com.android.settings.SettingsActivity;

import com.android.settings.Utils;

import com.android.settings.applications.InstalledAppDetails;

import com.android.settings.widget.SwitchBar;

import com.android.settingslib.location.RecentLocationApps;

import java.util.ArrayList;

import java.util.Collections;

import java.util.Comparator;

import java.util.List;

        mCategoryRecentLocationRequests =

                (PreferenceCategory) root.findPreference(KEY_RECENT_LOCATION_REQUESTS);

        RecentLocationApps recentApps = new RecentLocationApps(activity, getPrefContext());

        List<Preference> recentLocationRequests = recentApps.getAppList();

        RecentLocationApps recentApps = new RecentLocationApps(activity);

        List<RecentLocationApps.Request> recentLocationRequests = recentApps.getAppList();

        List<Preference> recentLocationPrefs = new ArrayList<>(recentLocationRequests.size());

        for (final RecentLocationApps.Request request : recentLocationRequests) {

            DimmableIconPreference pref = new DimmableIconPreference(getPrefContext(),

                    request.contentDescription);

            pref.setIcon(request.icon);

            pref.setTitle(request.label);

            if (request.isHighBattery) {

                pref.setSummary(R.string.location_high_battery_use);

            } else {

                pref.setSummary(R.string.location_low_battery_use);

            }

            pref.setOnPreferenceClickListener(

                    new PackageEntryClickedListener(request.packageName, request.userHandle));

            recentLocationPrefs.add(pref);

        }

        if (recentLocationRequests.size() > 0) {

            addPreferencesSorted(recentLocationRequests, mCategoryRecentLocationRequests);

            addPreferencesSorted(recentLocationPrefs, mCategoryRecentLocationRequests);

        } else {

            // If there's no item to display, add a "No recent apps" item.

            Preference banner = new Preference(getPrefContext());

            setLocationMode(android.provider.Settings.Secure.LOCATION_MODE_OFF);

        }

    }

    private class PackageEntryClickedListener

            implements Preference.OnPreferenceClickListener {

        private String mPackage;

        private UserHandle mUserHandle;

        public PackageEntryClickedListener(String packageName, UserHandle userHandle) {

            mPackage = packageName;

            mUserHandle = userHandle;

        }

        @Override

        public boolean onPreferenceClick(Preference preference) {

            // start new fragment to display extended information

            Bundle args = new Bundle();

            args.putString(InstalledAppDetails.ARG_PACKAGE_NAME, mPackage);

            ((PreferenceActivity) getActivity()).startPreferencePanelAsUser(

                    InstalledAppDetails.class.getName(), args,

                    R.string.application_info_label, null, mUserHandle);

            return true;

        }

    }

}

/*

 * Copyright (C) 2013 The Android Open Source 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.android.settings.location;

import android.app.AppGlobals;

import android.app.AppOpsManager;

import android.content.Context;

import android.content.pm.ApplicationInfo;

import android.content.pm.IPackageManager;

import android.content.pm.PackageManager;

import android.content.res.Resources;

import android.graphics.drawable.Drawable;

import android.os.Bundle;

import android.os.Process;

import android.os.RemoteException;

import android.os.UserHandle;

import android.os.UserManager;

import android.support.v7.preference.Preference;

import android.util.Log;

import com.android.settings.DimmableIconPreference;

import com.android.settings.R;

import com.android.settings.SettingsActivity;

import com.android.settings.applications.InstalledAppDetails;

import java.util.ArrayList;

import java.util.List;

/**

 * Retrieves the information of applications which accessed location recently.

 */

public class RecentLocationApps {

    private static final String TAG = RecentLocationApps.class.getSimpleName();

    private static final String ANDROID_SYSTEM_PACKAGE_NAME = "android";

    private static final int RECENT_TIME_INTERVAL_MILLIS = 15 * 60 * 1000;

    private final SettingsActivity mActivity;

    private final PackageManager mPackageManager;

    private final Context mContext;

    public RecentLocationApps(SettingsActivity activity, Context context) {

        mActivity = activity;

        mContext = context;

        mPackageManager = activity.getPackageManager();

    }

    private class PackageEntryClickedListener

            implements Preference.OnPreferenceClickListener {

        private String mPackage;

        private UserHandle mUserHandle;

        public PackageEntryClickedListener(String packageName, UserHandle userHandle) {

            mPackage = packageName;

            mUserHandle = userHandle;

        }

        @Override

        public boolean onPreferenceClick(Preference preference) {

            // start new fragment to display extended information

            Bundle args = new Bundle();

            args.putString(InstalledAppDetails.ARG_PACKAGE_NAME, mPackage);

            mActivity.startPreferencePanelAsUser(InstalledAppDetails.class.getName(), args,

                    R.string.application_info_label, null, mUserHandle);

            return true;

        }

    }

    private DimmableIconPreference createRecentLocationEntry(

            Drawable icon,

            CharSequence label,

            boolean isHighBattery,

            CharSequence contentDescription,

            Preference.OnPreferenceClickListener listener) {

        DimmableIconPreference pref = new DimmableIconPreference(mContext, contentDescription);

        pref.setIcon(icon);

        pref.setTitle(label);

        if (isHighBattery) {

            pref.setSummary(R.string.location_high_battery_use);

        } else {

            pref.setSummary(R.string.location_low_battery_use);

        }

        pref.setOnPreferenceClickListener(listener);

        return pref;

    }

    /**

     * Fills a list of applications which queried location recently within specified time.

     */

    public List<Preference> getAppList() {

        // Retrieve a location usage list from AppOps

        AppOpsManager aoManager =

                (AppOpsManager) mActivity.getSystemService(Context.APP_OPS_SERVICE);

        List<AppOpsManager.PackageOps> appOps = aoManager.getPackagesForOps(new int[] {

                AppOpsManager.OP_MONITOR_LOCATION, AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION, });

        // Process the AppOps list and generate a preference list.

        ArrayList<Preference> prefs = new ArrayList<Preference>();

        final long now = System.currentTimeMillis();

        final UserManager um = (UserManager) mActivity.getSystemService(Context.USER_SERVICE);

        final List<UserHandle> profiles = um.getUserProfiles();

        final int appOpsN = appOps.size();

        for (int i = 0; i < appOpsN; ++i) {

            AppOpsManager.PackageOps ops = appOps.get(i);

            // Don't show the Android System in the list - it's not actionable for the user.

            // Also don't show apps belonging to background users except managed users.

            String packageName = ops.getPackageName();

            int uid = ops.getUid();

            int userId = UserHandle.getUserId(uid);

            boolean isAndroidOs =

                    (uid == Process.SYSTEM_UID) && ANDROID_SYSTEM_PACKAGE_NAME.equals(packageName);

            if (isAndroidOs || !profiles.contains(new UserHandle(userId))) {

                continue;

            }

            Preference preference = getPreferenceFromOps(um, now, ops);

            if (preference != null) {

                prefs.add(preference);

            }

        }

        return prefs;

    }

    /**

     * Creates a Preference entry for the given PackageOps.

     *

     * This method examines the time interval of the PackageOps first. If the PackageOps is older

     * than the designated interval, this method ignores the PackageOps object and returns null.

     * When the PackageOps is fresh enough, this method returns a Preference pointing to the App

     * Info page for that package.

     */

    private Preference getPreferenceFromOps(final UserManager um, long now,

            AppOpsManager.PackageOps ops) {

        String packageName = ops.getPackageName();

        List<AppOpsManager.OpEntry> entries = ops.getOps();

        boolean highBattery = false;

        boolean normalBattery = false;

        // Earliest time for a location request to end and still be shown in list.

        long recentLocationCutoffTime = now - RECENT_TIME_INTERVAL_MILLIS;

        for (AppOpsManager.OpEntry entry : entries) {

            if (entry.isRunning() || entry.getTime() >= recentLocationCutoffTime) {

                switch (entry.getOp()) {

                    case AppOpsManager.OP_MONITOR_LOCATION:

                        normalBattery = true;

                        break;

                    case AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION:

                        highBattery = true;

                        break;

                    default:

                        break;

                }

            }

        }

        if (!highBattery && !normalBattery) {

            if (Log.isLoggable(TAG, Log.VERBOSE)) {

                Log.v(TAG, packageName + " hadn't used location within the time interval.");

            }

            return null;

        }

        // The package is fresh enough, continue.

        int uid = ops.getUid();

        int userId = UserHandle.getUserId(uid);

        DimmableIconPreference preference = null;

        try {

            IPackageManager ipm = AppGlobals.getPackageManager();

            ApplicationInfo appInfo =

                    ipm.getApplicationInfo(packageName, PackageManager.GET_META_DATA, userId);

            if (appInfo == null) {

                Log.w(TAG, "Null application info retrieved for package " + packageName

                        + ", userId " + userId);

                return null;

            }

            Resources res = mActivity.getResources();

            final UserHandle userHandle = new UserHandle(userId);

            Drawable appIcon = mPackageManager.getApplicationIcon(appInfo);

            Drawable icon = mPackageManager.getUserBadgedIcon(appIcon, userHandle);

            CharSequence appLabel = mPackageManager.getApplicationLabel(appInfo);

            CharSequence badgedAppLabel = mPackageManager.getUserBadgedLabel(appLabel, userHandle);

            if (appLabel.toString().contentEquals(badgedAppLabel)) {

                // If badged label is not different from original then no need for it as

                // a separate content description.

                badgedAppLabel = null;

            }

            preference = createRecentLocationEntry(icon,

                    appLabel, highBattery, badgedAppLabel,

                    new PackageEntryClickedListener(packageName, userHandle));

        } catch (RemoteException e) {

            Log.w(TAG, "Error while retrieving application info for package " + packageName

                    + ", userId " + userId, e);

        }

        return preference;

    }

}