vn.cybersoft.obs.android.fragments.ConsumptionFragment.java Source code

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Here is the source code for vn.cybersoft.obs.android.fragments.ConsumptionFragment.java

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/*
 * Copyright (C) 2014 IUH yber$oft Team
 * 
 * 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 vn.cybersoft.obs.android.fragments;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.OptionalDataException;
import java.io.StreamCorruptedException;
import java.util.Arrays;

import vn.cybersoft.obs.andriod.batterystats2.service.BatteryStats;
import vn.cybersoft.obs.andriod.batterystats2.service.ICounterService;
import vn.cybersoft.obs.andriod.batterystats2.service.UidInfo;
import vn.cybersoft.obs.andriod.batterystats2.util.Counter;
import vn.cybersoft.obs.andriod.batterystats2.util.SystemInfo;
import vn.cybersoft.obs.android.R;
import vn.cybersoft.obs.android.application.OBS;
import vn.cybersoft.obs.android.preference.PowerGaugePreference;
import vn.cybersoft.obs.android.utilities.Log;
import android.content.pm.PackageManager;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.os.RemoteException;
import android.preference.PreferenceGroup;
import android.support.v4.preference.PreferenceFragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class ConsumptionFragment extends PreferenceFragment {
    private static final String TAG = "ConsumptionFragment";
    public static final int LAYOUT_ID = R.layout.consumption_fragment;

    private static final String KEY_APP_LIST = "app_list";

    private static final double HIDE_UID_THRESHOLD = 0.1;

    private ICounterService mCounterService;

    private PreferenceGroup mAppListGroup;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getActivity().setTitle(getString(R.string.app_name) + " > " + getString(R.string.consumption));

        mCounterService = OBS.getInstance().getCounterService();
        if (mCounterService == null) {
            Log.e("in " + TAG + "Can't get counter service !!!!");
        }

        addPreferencesFromResource(R.xml.power_usage_summary);
        mAppListGroup = (PreferenceGroup) findPreference(KEY_APP_LIST);
        setHasOptionsMenu(true);
    }

    @Override
    public void onResume() {
        super.onResume();
        refreshStats();
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View view = inflater.inflate(LAYOUT_ID, container, false);
        return view;
    }

    private void refreshStats() {
        mAppListGroup.removeAll();
        mAppListGroup.setOrderingAsAdded(false);
        try {
            int noUidMask = mCounterService.getNoUidMask();
            byte[] rawUidInfo = mCounterService.getUidInfo(Counter.WINDOW_TOTAL, noUidMask | 0);

            if (rawUidInfo != null) {
                UidInfo[] uidInfos = (UidInfo[]) new ObjectInputStream(new ByteArrayInputStream(rawUidInfo))
                        .readObject();
                double total = 0;
                for (UidInfo uidInfo : uidInfos) {
                    if (uidInfo.uid == SystemInfo.AID_ALL)
                        continue;
                    uidInfo.key = uidInfo.totalEnergy;
                    uidInfo.unit = "J";
                    total += uidInfo.key;
                }

                if (total == 0) {
                    total = 1;
                }

                for (UidInfo uidInfo : uidInfos) {
                    uidInfo.percentage = (uidInfo.key / total) * 100;
                }

                Arrays.sort(uidInfos);

                for (int i = 0; i < uidInfos.length; i++) {
                    UidInfo info = uidInfos[i];
                    final double percentOfTotal = info.percentage;
                    if (info.uid == SystemInfo.AID_ALL || percentOfTotal < HIDE_UID_THRESHOLD) {
                        continue;
                    }

                    PackageManager packageManager = getActivity().getPackageManager();
                    SystemInfo systemInfo = SystemInfo.getInstance();

                    String name = systemInfo.getUidName(info.uid, packageManager);

                    if (name.equals(getString(R.string.app_name))) {
                        continue;
                    }

                    Drawable icon = systemInfo.getUidIcon(info.uid, packageManager);

                    PowerGaugePreference pref = new PowerGaugePreference(getActivity(), icon, info);

                    pref.setTitle(name);
                    pref.setOrder(Integer.MAX_VALUE - (int) info.key);
                    pref.setPercent(percentOfTotal, percentOfTotal);
                    pref.setKey(Integer.toString(info.uid));
                    mAppListGroup.addPreference(pref);
                }
            }
        } catch (RemoteException e) {
            e.printStackTrace();
        } catch (OptionalDataException e) {
            e.printStackTrace();
        } catch (StreamCorruptedException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}