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      1 /*
      2  * Copyright (C) 2014 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 
     17 package com.android.settings.applications;
     18 
     19 import android.os.Bundle;
     20 import android.text.format.Formatter;
     21 import android.view.LayoutInflater;
     22 import android.view.View;
     23 import android.view.ViewGroup;
     24 import android.widget.ProgressBar;
     25 import android.widget.TextView;
     26 
     27 import com.android.internal.app.procstats.ProcessStats;
     28 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
     29 import com.android.settings.core.InstrumentedPreferenceFragment;
     30 import com.android.settings.R;
     31 
     32 import static com.android.settings.Utils.prepareCustomPreferencesList;
     33 
     34 public class ProcessStatsMemDetail extends InstrumentedPreferenceFragment {
     35     public static final String EXTRA_MEM_TIMES = "mem_times";
     36     public static final String EXTRA_MEM_STATE_WEIGHTS = "mem_state_weights";
     37     public static final String EXTRA_MEM_CACHED_WEIGHT = "mem_cached_weight";
     38     public static final String EXTRA_MEM_FREE_WEIGHT = "mem_free_weight";
     39     public static final String EXTRA_MEM_ZRAM_WEIGHT = "mem_zram_weight";
     40     public static final String EXTRA_MEM_KERNEL_WEIGHT = "mem_kernel_weight";
     41     public static final String EXTRA_MEM_NATIVE_WEIGHT = "mem_native_weight";
     42     public static final String EXTRA_MEM_TOTAL_WEIGHT = "mem_total_weight";
     43     public static final String EXTRA_USE_USS = "use_uss";
     44     public static final String EXTRA_TOTAL_TIME = "total_time";
     45 
     46     long[] mMemTimes;
     47     double[] mMemStateWeights;
     48     double mMemCachedWeight;
     49     double mMemFreeWeight;
     50     double mMemZRamWeight;
     51     double mMemKernelWeight;
     52     double mMemNativeWeight;
     53     double mMemTotalWeight;
     54     boolean mUseUss;
     55     long mTotalTime;
     56 
     57     private View mRootView;
     58     private ViewGroup mMemStateParent;
     59     private ViewGroup mMemUseParent;
     60 
     61     @Override
     62     public void onCreate(Bundle icicle) {
     63         super.onCreate(icicle);
     64         final Bundle args = getArguments();
     65         mMemTimes = args.getLongArray(EXTRA_MEM_TIMES);
     66         mMemStateWeights = args.getDoubleArray(EXTRA_MEM_STATE_WEIGHTS);
     67         mMemCachedWeight = args.getDouble(EXTRA_MEM_CACHED_WEIGHT);
     68         mMemFreeWeight = args.getDouble(EXTRA_MEM_FREE_WEIGHT);
     69         mMemZRamWeight = args.getDouble(EXTRA_MEM_ZRAM_WEIGHT);
     70         mMemKernelWeight = args.getDouble(EXTRA_MEM_KERNEL_WEIGHT);
     71         mMemNativeWeight = args.getDouble(EXTRA_MEM_NATIVE_WEIGHT);
     72         mMemTotalWeight = args.getDouble(EXTRA_MEM_TOTAL_WEIGHT);
     73         mUseUss = args.getBoolean(EXTRA_USE_USS);
     74         mTotalTime = args.getLong(EXTRA_TOTAL_TIME);
     75     }
     76 
     77     @Override
     78     public View onCreateView(
     79             LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
     80         final View view = inflater.inflate(R.layout.process_stats_mem_details, container, false);
     81         prepareCustomPreferencesList(container, view, view, false);
     82 
     83         mRootView = view;
     84         createDetails();
     85         return view;
     86     }
     87 
     88     @Override
     89     public int getMetricsCategory() {
     90         return MetricsEvent.APPLICATIONS_PROCESS_STATS_MEM_DETAIL;
     91     }
     92 
     93     @Override
     94     public void onPause() {
     95         super.onPause();
     96     }
     97 
     98     private void createDetails() {
     99         mMemStateParent = (ViewGroup)mRootView.findViewById(R.id.mem_state);
    100         mMemUseParent = (ViewGroup)mRootView.findViewById(R.id.mem_use);
    101 
    102         fillMemStateSection();
    103         fillMemUseSection();
    104     }
    105 
    106     private void addDetailsItem(ViewGroup parent, CharSequence title,
    107             float level, CharSequence value) {
    108         LayoutInflater inflater = getActivity().getLayoutInflater();
    109         ViewGroup item = (ViewGroup) inflater.inflate(R.layout.app_item, null);
    110         inflater.inflate(R.layout.widget_progress_bar,
    111                 (ViewGroup) item.findViewById(android.R.id.widget_frame));
    112         parent.addView(item);
    113         item.findViewById(android.R.id.icon).setVisibility(View.GONE);
    114         TextView titleView = (TextView) item.findViewById(android.R.id.title);
    115         TextView valueView = (TextView) item.findViewById(android.R.id.text1);
    116         titleView.setText(title);
    117         valueView.setText(value);
    118         ProgressBar progress = (ProgressBar) item.findViewById(android.R.id.progress);
    119         progress.setProgress(Math.round(level*100));
    120     }
    121 
    122     private void fillMemStateSection() {
    123         CharSequence[] labels = getResources().getTextArray(R.array.proc_stats_memory_states);
    124         for (int i=0; i<ProcessStats.ADJ_MEM_FACTOR_COUNT; i++) {
    125             if (mMemTimes[i] > 0) {
    126                 float level = ((float)mMemTimes[i])/mTotalTime;
    127                 addDetailsItem(mMemStateParent, labels[i], level,
    128                         Formatter.formatShortElapsedTime(getActivity(), mMemTimes[i]));
    129             }
    130         }
    131     }
    132 
    133     private void addMemUseDetailsItem(ViewGroup parent, CharSequence title, double weight) {
    134         if (weight > 0) {
    135             float level = (float)(weight/mMemTotalWeight);
    136             String value = Formatter.formatShortFileSize(getActivity(),
    137                     (long)((weight * 1024) / mTotalTime));
    138             addDetailsItem(parent, title, level, value);
    139         }
    140     }
    141 
    142     private void fillMemUseSection() {
    143         CharSequence[] labels = getResources().getTextArray(R.array.proc_stats_process_states);
    144         addMemUseDetailsItem(mMemUseParent,
    145                 getResources().getText(R.string.mem_use_kernel_type), mMemKernelWeight);
    146         addMemUseDetailsItem(mMemUseParent,
    147                 getResources().getText(R.string.mem_use_zram_type), mMemZRamWeight);
    148         addMemUseDetailsItem(mMemUseParent,
    149                 getResources().getText(R.string.mem_use_native_type), mMemNativeWeight);
    150         for (int i=0; i<ProcessStats.STATE_COUNT; i++) {
    151             addMemUseDetailsItem(mMemUseParent, labels[i], mMemStateWeights[i]);
    152         }
    153         addMemUseDetailsItem(mMemUseParent,
    154                 getResources().getText(R.string.mem_use_kernel_cache_type), mMemCachedWeight);
    155         addMemUseDetailsItem(mMemUseParent,
    156                 getResources().getText(R.string.mem_use_free_type), mMemFreeWeight);
    157         addMemUseDetailsItem(mMemUseParent,
    158                 getResources().getText(R.string.mem_use_total), mMemTotalWeight);
    159     }
    160 }
    161