Home | History | Annotate | Download | only in applications
      1 /*
      2  * Copyright (C) 2015 The Android Open Source Project
      3  *
      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
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     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.
     15  */
     16 package com.android.settings.applications;
     17 
     18 import android.content.Context;
     19 import android.os.Bundle;
     20 import android.preference.Preference;
     21 import android.preference.Preference.OnPreferenceClickListener;
     22 import android.text.TextUtils;
     23 import android.text.format.Formatter;
     24 import android.text.format.Formatter.BytesResult;
     25 import android.widget.TextView;
     26 
     27 import com.android.internal.logging.MetricsLogger;
     28 import com.android.settings.R;
     29 import com.android.settings.Utils;
     30 import com.android.settings.applications.ProcStatsData.MemInfo;
     31 
     32 public class ProcessStatsSummary extends ProcessStatsBase implements OnPreferenceClickListener {
     33 
     34     private static final String KEY_STATUS_HEADER = "status_header";
     35 
     36     private static final String KEY_PERFORMANCE = "performance";
     37     private static final String KEY_TOTAL_MEMORY = "total_memory";
     38     private static final String KEY_AVERAGY_USED = "average_used";
     39     private static final String KEY_FREE = "free";
     40     private static final String KEY_APP_LIST = "apps_list";
     41 
     42     private LinearColorBar mColors;
     43     private LayoutPreference mHeader;
     44     private TextView mMemStatus;
     45 
     46     private Preference mPerformance;
     47     private Preference mTotalMemory;
     48     private Preference mAverageUsed;
     49     private Preference mFree;
     50     private Preference mAppListPreference;
     51 
     52     @Override
     53     public void onCreate(Bundle icicle) {
     54         super.onCreate(icicle);
     55 
     56         addPreferencesFromResource(R.xml.process_stats_summary);
     57         mHeader = (LayoutPreference) findPreference(KEY_STATUS_HEADER);
     58         mMemStatus = (TextView) mHeader.findViewById(R.id.memory_state);
     59         mColors = (LinearColorBar) mHeader.findViewById(R.id.color_bar);
     60 
     61         mPerformance = findPreference(KEY_PERFORMANCE);
     62         mTotalMemory = findPreference(KEY_TOTAL_MEMORY);
     63         mAverageUsed = findPreference(KEY_AVERAGY_USED);
     64         mFree = findPreference(KEY_FREE);
     65         mAppListPreference = findPreference(KEY_APP_LIST);
     66         mAppListPreference.setOnPreferenceClickListener(this);
     67     }
     68 
     69     @Override
     70     public void refreshUi() {
     71         Context context = getContext();
     72         int memColor = context.getColor(R.color.running_processes_apps_ram);
     73         mColors.setColors(memColor, memColor, context.getColor(R.color.running_processes_free_ram));
     74 
     75         MemInfo memInfo = mStatsManager.getMemInfo();
     76 
     77         double usedRam = memInfo.realUsedRam;
     78         double totalRam = memInfo.realTotalRam;
     79         double freeRam = memInfo.realFreeRam;
     80         BytesResult usedResult = Formatter.formatBytes(context.getResources(), (long) usedRam,
     81                 Formatter.FLAG_SHORTER);
     82         String totalString = Formatter.formatShortFileSize(context, (long) totalRam);
     83         String freeString = Formatter.formatShortFileSize(context, (long) freeRam);
     84         CharSequence memString;
     85         CharSequence[] memStatesStr = getResources().getTextArray(R.array.ram_states);
     86         int memState = mStatsManager.getMemState();
     87         if (memState >= 0 && memState < memStatesStr.length - 1) {
     88             memString = memStatesStr[memState];
     89         } else {
     90             memString = memStatesStr[memStatesStr.length - 1];
     91         }
     92         mMemStatus.setText(TextUtils.expandTemplate(getText(R.string.storage_size_large),
     93                 usedResult.value, usedResult.units));
     94         float usedRatio = (float)(usedRam / (freeRam + usedRam));
     95         mColors.setRatios(usedRatio, 0, 1 - usedRatio);
     96 
     97         mPerformance.setSummary(memString);
     98         mTotalMemory.setSummary(totalString);
     99         mAverageUsed.setSummary(Utils.formatPercentage((long) usedRam, (long) totalRam));
    100         mFree.setSummary(freeString);
    101         String durationString = getString(sDurationLabels[mDurationIndex]);
    102         int numApps = mStatsManager.getEntries().size();
    103         mAppListPreference.setSummary(getResources().getQuantityString(
    104                 R.plurals.memory_usage_apps_summary, numApps, numApps, durationString));
    105     }
    106 
    107     @Override
    108     protected int getMetricsCategory() {
    109         return MetricsLogger.PROCESS_STATS_SUMMARY;
    110     }
    111 
    112     @Override
    113     public boolean onPreferenceClick(Preference preference) {
    114         if (preference == mAppListPreference) {
    115             Bundle args = new Bundle();
    116             args.putBoolean(ARG_TRANSFER_STATS, true);
    117             args.putInt(ARG_DURATION_INDEX, mDurationIndex);
    118             mStatsManager.xferStats();
    119             startFragment(this, ProcessStatsUi.class.getName(), R.string.app_list_memory_use, 0,
    120                     args);
    121             return true;
    122         }
    123         return false;
    124     }
    125 
    126 }
    127