Displays a list of most recent location apps
Change-Id: I8e34ca8c30f308744022f17fac2444a496abd9e6 (cherry picked from commit 16ab0eca74751c331c1c74612548a27735a450b7)
This commit is contained in:
117
src/com/android/settings/location/RecentLocationApps.java
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117
src/com/android/settings/location/RecentLocationApps.java
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/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.location;
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import android.app.AppOpsManager;
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import android.content.Context;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageManager;
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import android.preference.PreferenceCategory;
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import android.preference.PreferenceManager;
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import android.preference.PreferenceScreen;
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import android.util.Log;
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import com.android.settings.R;
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import java.util.List;
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/**
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* Retrieves the information of applications which accessed location recently.
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*/
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public class RecentLocationApps {
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private static final String TAG = RecentLocationApps.class.getSimpleName();
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private static final int RECENT_TIME_INTERVAL_MILLIS = 15 * 60 * 1000;
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private Context mContext;
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PackageManager mPackageManager;
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public RecentLocationApps(Context context) {
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mContext = context;
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mPackageManager = context.getPackageManager();
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}
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/**
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* Fills a list of applications which queried location recently within
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* specified time.
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*/
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public void fillAppList(PreferenceCategory container) {
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AppOpsManager aoManager =
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(AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
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List<AppOpsManager.PackageOps> appOps = aoManager.getPackagesForOps(
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new int[] {
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AppOpsManager.OP_MONITOR_LOCATION,
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AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION,
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});
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PreferenceManager preferenceManager = container.getPreferenceManager();
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long now = System.currentTimeMillis();
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for (AppOpsManager.PackageOps ops : appOps) {
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processPackageOps(now, container, preferenceManager, ops);
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}
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}
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private void processPackageOps(
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long now,
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PreferenceCategory container,
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PreferenceManager preferenceManager,
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AppOpsManager.PackageOps ops) {
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String packageName = ops.getPackageName();
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List<AppOpsManager.OpEntry> entries = ops.getOps();
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boolean highBattery = false;
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boolean normalBattery = false;
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for (AppOpsManager.OpEntry entry : entries) {
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// If previous location activity is older than designated interval, ignore this app.
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if (now - entry.getTime() <= RECENT_TIME_INTERVAL_MILLIS) {
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switch (entry.getOp()) {
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case AppOpsManager.OP_MONITOR_LOCATION:
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normalBattery = true;
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break;
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case AppOpsManager.OP_MONITOR_HIGH_POWER_LOCATION:
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highBattery = true;
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break;
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default:
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break;
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}
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}
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}
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if (!highBattery && !normalBattery) {
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if (Log.isLoggable(TAG, Log.VERBOSE)) {
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Log.v(TAG, packageName + " hadn't used location within the time interval.");
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}
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return;
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}
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try {
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PreferenceScreen screen = preferenceManager.createPreferenceScreen(mContext);
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ApplicationInfo appInfo = mPackageManager.getApplicationInfo(
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packageName, PackageManager.GET_META_DATA);
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screen.setIcon(mPackageManager.getApplicationIcon(appInfo));
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screen.setTitle(mPackageManager.getApplicationLabel(appInfo));
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// if used both high and low battery within the time interval, show as "high
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// battery"
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if (highBattery) {
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screen.setSummary(R.string.location_high_battery_use);
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} else {
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screen.setSummary(R.string.location_low_battery_use);
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}
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container.addPreference(screen);
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} catch (PackageManager.NameNotFoundException e) {
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// ignore the current app and move on to the next.
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}
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}
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}
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