2 * Copyright (C) 2013 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.settings.applications;
19 import android.content.Context;
20 import android.content.pm.PackageManager;
21 import android.os.Bundle;
22 import android.support.v7.preference.Preference;
23 import android.support.v7.preference.PreferenceGroup;
24 import android.util.Log;
25 import android.util.TimeUtils;
26 import android.view.Menu;
27 import android.view.MenuInflater;
28 import android.view.MenuItem;
30 import com.android.internal.app.ProcessStats;
31 import com.android.internal.logging.MetricsLogger;
32 import com.android.settings.R;
33 import com.android.settings.SettingsActivity;
34 import com.android.settings.applications.ProcStatsData.MemInfo;
36 import java.util.Collections;
37 import java.util.Comparator;
38 import java.util.List;
40 public class ProcessStatsUi extends ProcessStatsBase {
41 static final String TAG = "ProcessStatsUi";
42 static final boolean DEBUG = false;
44 private static final String KEY_APP_LIST = "app_list";
46 private static final int MENU_SHOW_AVG = Menu.FIRST;
47 private static final int MENU_SHOW_MAX = Menu.FIRST + 1;
49 private PreferenceGroup mAppListGroup;
50 private PackageManager mPm;
52 private boolean mShowMax;
53 private MenuItem mMenuAvg;
54 private MenuItem mMenuMax;
57 public void onCreate(Bundle icicle) {
58 super.onCreate(icicle);
60 mPm = getActivity().getPackageManager();
62 addPreferencesFromResource(R.xml.process_stats_ui);
63 mAppListGroup = (PreferenceGroup) findPreference(KEY_APP_LIST);
64 setHasOptionsMenu(true);
68 public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
69 super.onCreateOptionsMenu(menu, inflater);
70 mMenuAvg = menu.add(0, MENU_SHOW_AVG, 0, R.string.sort_avg_use);
71 mMenuMax = menu.add(0, MENU_SHOW_MAX, 0, R.string.sort_max_use);
76 public boolean onOptionsItemSelected(MenuItem item) {
77 switch (item.getItemId()) {
85 return super.onOptionsItemSelected(item);
88 private void updateMenu() {
89 mMenuMax.setVisible(!mShowMax);
90 mMenuAvg.setVisible(mShowMax);
94 protected int getMetricsCategory() {
95 return MetricsLogger.APPLICATIONS_PROCESS_STATS_UI;
99 public void onSaveInstanceState(Bundle outState) {
100 super.onSaveInstanceState(outState);
104 public boolean onPreferenceTreeClick(Preference preference) {
105 if (!(preference instanceof ProcessStatsPreference)) {
108 ProcessStatsPreference pgp = (ProcessStatsPreference) preference;
109 MemInfo memInfo = mStatsManager.getMemInfo();
110 launchMemoryDetail((SettingsActivity) getActivity(), memInfo, pgp.getEntry(), true);
112 return super.onPreferenceTreeClick(preference);
116 * All states in which we consider a process to be actively running (rather than
117 * something that can be freely killed to reclaim RAM). Note this also includes
118 * the HOME state, because we prioritize home over all cached processes even when
119 * it is in the background, so it is effectively always running from the perspective
120 * of the information we want to show the user here.
122 public static final int[] BACKGROUND_AND_SYSTEM_PROC_STATES = new int[] {
123 ProcessStats.STATE_PERSISTENT, ProcessStats.STATE_IMPORTANT_FOREGROUND,
124 ProcessStats.STATE_IMPORTANT_BACKGROUND, ProcessStats.STATE_BACKUP,
125 ProcessStats.STATE_HEAVY_WEIGHT, ProcessStats.STATE_SERVICE,
126 ProcessStats.STATE_SERVICE_RESTARTING, ProcessStats.STATE_RECEIVER,
127 ProcessStats.STATE_HOME
130 public static final int[] FOREGROUND_PROC_STATES = new int[] {
131 ProcessStats.STATE_TOP
134 public static final int[] CACHED_PROC_STATES = new int[] {
135 ProcessStats.STATE_CACHED_ACTIVITY, ProcessStats.STATE_CACHED_ACTIVITY_CLIENT,
136 ProcessStats.STATE_CACHED_EMPTY
139 public static String makeDuration(long time) {
140 StringBuilder sb = new StringBuilder(32);
141 TimeUtils.formatDuration(time, sb);
142 return sb.toString();
146 public void refreshUi() {
147 mAppListGroup.removeAll();
148 mAppListGroup.setOrderingAsAdded(false);
149 mAppListGroup.setTitle(mShowMax ? R.string.maximum_memory_use
150 : R.string.average_memory_use);
152 final Context context = getActivity();
153 MemInfo memInfo = mStatsManager.getMemInfo();
155 List<ProcStatsPackageEntry> pkgEntries = mStatsManager.getEntries();
157 // Update everything and get the absolute maximum of memory usage for scaling.
158 for (int i=0, N=pkgEntries.size(); i<N; i++) {
159 ProcStatsPackageEntry pkg = pkgEntries.get(i);
163 Collections.sort(pkgEntries, mShowMax ? sMaxPackageEntryCompare : sPackageEntryCompare);
165 // Now collect the per-process information into applications, so that applications
166 // running as multiple processes will have only one entry representing all of them.
168 if (DEBUG) Log.d(TAG, "-------------------- BUILDING UI");
170 double maxMemory = mShowMax ? memInfo.realTotalRam
171 : memInfo.usedWeight * memInfo.weightToRam;
172 for (int i = 0; i < pkgEntries.size(); i++) {
173 ProcStatsPackageEntry pkg = pkgEntries.get(i);
174 ProcessStatsPreference pref = new ProcessStatsPreference(getPrefContext());
175 pkg.retrieveUiData(context, mPm);
176 pref.init(pkg, mPm, maxMemory, memInfo.weightToRam,
177 memInfo.totalScale, !mShowMax);
179 mAppListGroup.addPreference(pref);
183 final static Comparator<ProcStatsPackageEntry> sPackageEntryCompare
184 = new Comparator<ProcStatsPackageEntry>() {
186 public int compare(ProcStatsPackageEntry lhs, ProcStatsPackageEntry rhs) {
187 double rhsWeight = Math.max(rhs.mRunWeight, rhs.mBgWeight);
188 double lhsWeight = Math.max(lhs.mRunWeight, lhs.mBgWeight);
189 if (lhsWeight == rhsWeight) {
192 return lhsWeight < rhsWeight ? 1 : -1;
196 final static Comparator<ProcStatsPackageEntry> sMaxPackageEntryCompare
197 = new Comparator<ProcStatsPackageEntry>() {
199 public int compare(ProcStatsPackageEntry lhs, ProcStatsPackageEntry rhs) {
200 double rhsMax = Math.max(rhs.mMaxBgMem, rhs.mMaxRunMem);
201 double lhsMax = Math.max(lhs.mMaxBgMem, lhs.mMaxRunMem);
202 if (lhsMax == rhsMax) {
205 return lhsMax < rhsMax ? 1 : -1;