New Running Services UI.
This introduces a simplified (thanks, dsandler!) UI for Running Services, collapsing the groups of apps and processes into single lines. Tapping on a line moves to a new activity showing details on that group, where the stop functionality is now available. This UI is now also integrated into Manage Applications, as the Running tab. You no longer get a really confusing, misleading, scary list of every package that appears to be laying around for some reason. The code was also re-organized, to put everything related to Manage Applications and Running Services under its own package. There is still some clean-up -- some performance improvements (such as not re-computing the world when we switch to the details view), and if this looks good then eradicating the old running services UI. Change-Id: I3fc059c18060600742cab5b455d11ff74bf45ae3
This commit is contained in:
Dianne Hackborn
582
src/com/android/settings/applications/RunningServices.java
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582
src/com/android/settings/applications/RunningServices.java
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@@ -0,0 +1,582 @@
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/*
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* Copyright (C) 2006 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.applications;
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import com.android.settings.R;
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import android.app.ActivityManager;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.ListActivity;
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import android.app.PendingIntent;
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import android.content.ActivityNotFoundException;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.IntentSender;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.os.Looper;
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import android.os.Message;
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import android.os.SystemClock;
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import android.os.SystemProperties;
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import android.text.format.DateUtils;
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import android.text.format.Formatter;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AbsListView;
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import android.widget.BaseAdapter;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.ListView;
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import android.widget.TextView;
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import java.io.FileInputStream;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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public class RunningServices extends ListActivity
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implements AbsListView.RecyclerListener,
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DialogInterface.OnClickListener {
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static final String TAG = "RunningServices";
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/** Maximum number of services to retrieve */
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static final int MAX_SERVICES = 100;
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static final int MSG_UPDATE_TIMES = 1;
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static final int MSG_UPDATE_CONTENTS = 2;
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static final int MSG_REFRESH_UI = 3;
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static final long TIME_UPDATE_DELAY = 1000;
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static final long CONTENTS_UPDATE_DELAY = 2000;
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// Memory pages are 4K.
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static final long PAGE_SIZE = 4*1024;
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long SECONDARY_SERVER_MEM;
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final HashMap<View, ActiveItem> mActiveItems = new HashMap<View, ActiveItem>();
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ActivityManager mAm;
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RunningState mState;
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StringBuilder mBuilder = new StringBuilder(128);
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RunningState.BaseItem mCurSelected;
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int mProcessBgColor;
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LinearColorBar mColorBar;
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TextView mBackgroundProcessText;
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TextView mForegroundProcessText;
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int mLastNumBackgroundProcesses = -1;
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int mLastNumForegroundProcesses = -1;
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int mLastNumServiceProcesses = -1;
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long mLastBackgroundProcessMemory = -1;
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long mLastForegroundProcessMemory = -1;
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long mLastServiceProcessMemory = -1;
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long mLastAvailMemory = -1;
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Dialog mCurDialog;
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byte[] mBuffer = new byte[1024];
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class ActiveItem {
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View mRootView;
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RunningState.BaseItem mItem;
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ActivityManager.RunningServiceInfo mService;
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ViewHolder mHolder;
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long mFirstRunTime;
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void updateTime(Context context) {
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if (mItem.mIsProcess) {
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String size = mItem.mSizeStr != null ? mItem.mSizeStr : "";
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if (!size.equals(mItem.mCurSizeStr)) {
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mItem.mCurSizeStr = size;
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mHolder.size.setText(size);
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}
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} else {
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if (mItem.mActiveSince >= 0) {
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mHolder.size.setText(DateUtils.formatElapsedTime(mBuilder,
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(SystemClock.uptimeMillis()-mFirstRunTime)/1000));
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} else {
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mHolder.size.setText(context.getResources().getText(
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R.string.service_restarting));
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}
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}
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}
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}
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static class ViewHolder {
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ImageView separator;
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ImageView icon;
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TextView name;
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TextView description;
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TextView size;
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}
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static class TimeTicker extends TextView {
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public TimeTicker(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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}
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class ServiceListAdapter extends BaseAdapter {
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final RunningState mState;
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final LayoutInflater mInflater;
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ArrayList<RunningState.BaseItem> mItems;
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ServiceListAdapter(RunningState state) {
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mState = state;
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mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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refreshItems();
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}
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void refreshItems() {
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ArrayList<RunningState.BaseItem> newItems = mState.getCurrentItems();
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if (mItems != newItems) {
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mItems = newItems;
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}
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if (mItems == null) {
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mItems = new ArrayList<RunningState.BaseItem>();
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}
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}
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public boolean hasStableIds() {
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return true;
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}
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public int getCount() {
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return mItems.size();
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}
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public Object getItem(int position) {
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return mItems.get(position);
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}
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public long getItemId(int position) {
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return mItems.get(position).hashCode();
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}
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public boolean areAllItemsEnabled() {
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return false;
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}
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public boolean isEnabled(int position) {
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return !mItems.get(position).mIsProcess;
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}
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public View getView(int position, View convertView, ViewGroup parent) {
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View v;
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if (convertView == null) {
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v = newView(parent);
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} else {
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v = convertView;
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}
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bindView(v, position);
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return v;
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}
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public View newView(ViewGroup parent) {
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View v = mInflater.inflate(R.layout.running_services_item, parent, false);
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ViewHolder h = new ViewHolder();
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h.separator = (ImageView)v.findViewById(R.id.separator);
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h.icon = (ImageView)v.findViewById(R.id.icon);
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h.name = (TextView)v.findViewById(R.id.name);
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h.description = (TextView)v.findViewById(R.id.description);
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h.size = (TextView)v.findViewById(R.id.size);
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v.setTag(h);
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return v;
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}
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public void bindView(View view, int position) {
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synchronized (mState.mLock) {
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ViewHolder vh = (ViewHolder) view.getTag();
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if (position >= mItems.size()) {
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// List must have changed since we last reported its
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// size... ignore here, we will be doing a data changed
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// to refresh the entire list.
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return;
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}
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RunningState.BaseItem item = mItems.get(position);
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vh.name.setText(item.mDisplayLabel);
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vh.separator.setVisibility(item.mNeedDivider
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? View.VISIBLE : View.INVISIBLE);
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ActiveItem ai = new ActiveItem();
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ai.mRootView = view;
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ai.mItem = item;
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ai.mHolder = vh;
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ai.mFirstRunTime = item.mActiveSince;
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vh.description.setText(item.mDescription);
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if (item.mIsProcess) {
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view.setBackgroundColor(mProcessBgColor);
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vh.icon.setImageDrawable(null);
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vh.icon.setVisibility(View.GONE);
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vh.description.setText(item.mDescription);
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item.mCurSizeStr = null;
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} else {
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view.setBackgroundDrawable(null);
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vh.icon.setImageDrawable(item.mPackageInfo.loadIcon(getPackageManager()));
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vh.icon.setVisibility(View.VISIBLE);
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vh.description.setText(item.mDescription);
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ai.mFirstRunTime = item.mActiveSince;
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}
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ai.updateTime(RunningServices.this);
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mActiveItems.put(view, ai);
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}
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}
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}
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public static class LinearColorBar extends LinearLayout {
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private float mRedRatio;
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private float mYellowRatio;
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private float mGreenRatio;
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final Rect mRect = new Rect();
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final Paint mPaint = new Paint();
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public LinearColorBar(Context context, AttributeSet attrs) {
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super(context, attrs);
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setWillNotDraw(false);
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mPaint.setStyle(Paint.Style.FILL);
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}
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public void setRatios(float red, float yellow, float green) {
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mRedRatio = red;
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mYellowRatio = yellow;
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mGreenRatio = green;
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invalidate();
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}
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@Override
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protected void onDraw(Canvas canvas) {
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super.onDraw(canvas);
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int width = getWidth();
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mRect.top = 0;
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mRect.bottom = getHeight();
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int left = 0;
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int right = left + (int)(width*mRedRatio);
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if (left < right) {
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mRect.left = left;
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mRect.right = right;
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mPaint.setColor(0xffff8080);
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canvas.drawRect(mRect, mPaint);
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width -= (right-left);
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left = right;
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}
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right = left + (int)(width*mYellowRatio);
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if (left < right) {
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mRect.left = left;
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mRect.right = right;
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mPaint.setColor(0xffffff00);
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canvas.drawRect(mRect, mPaint);
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width -= (right-left);
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left = right;
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}
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right = left + width;
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if (left < right) {
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mRect.left = left;
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mRect.right = right;
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mPaint.setColor(0xff80ff80);
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canvas.drawRect(mRect, mPaint);
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}
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}
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}
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HandlerThread mBackgroundThread;
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final class BackgroundHandler extends Handler {
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public BackgroundHandler(Looper looper) {
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super(looper);
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}
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case MSG_UPDATE_CONTENTS:
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Message cmd = mHandler.obtainMessage(MSG_REFRESH_UI);
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cmd.arg1 = mState.update(RunningServices.this, mAm) ? 1 : 0;
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mHandler.sendMessage(cmd);
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removeMessages(MSG_UPDATE_CONTENTS);
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msg = obtainMessage(MSG_UPDATE_CONTENTS);
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sendMessageDelayed(msg, CONTENTS_UPDATE_DELAY);
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break;
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}
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}
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};
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BackgroundHandler mBackgroundHandler;
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final Handler mHandler = new Handler() {
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@Override
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case MSG_UPDATE_TIMES:
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Iterator<ActiveItem> it = mActiveItems.values().iterator();
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while (it.hasNext()) {
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ActiveItem ai = it.next();
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if (ai.mRootView.getWindowToken() == null) {
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// Clean out any dead views, just in case.
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it.remove();
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continue;
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}
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ai.updateTime(RunningServices.this);
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}
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removeMessages(MSG_UPDATE_TIMES);
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msg = obtainMessage(MSG_UPDATE_TIMES);
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sendMessageDelayed(msg, TIME_UPDATE_DELAY);
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break;
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case MSG_REFRESH_UI:
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refreshUi(msg.arg1 != 0);
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break;
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}
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}
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};
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private boolean matchText(byte[] buffer, int index, String text) {
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int N = text.length();
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if ((index+N) >= buffer.length) {
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return false;
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}
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for (int i=0; i<N; i++) {
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if (buffer[index+i] != text.charAt(i)) {
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return false;
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}
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}
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return true;
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}
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private long extractMemValue(byte[] buffer, int index) {
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while (index < buffer.length && buffer[index] != '\n') {
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if (buffer[index] >= '0' && buffer[index] <= '9') {
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int start = index;
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index++;
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while (index < buffer.length && buffer[index] >= '0'
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&& buffer[index] <= '9') {
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index++;
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}
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String str = new String(buffer, 0, start, index-start);
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return ((long)Integer.parseInt(str)) * 1024;
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}
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index++;
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}
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return 0;
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}
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private long readAvailMem() {
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try {
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long memFree = 0;
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long memCached = 0;
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FileInputStream is = new FileInputStream("/proc/meminfo");
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int len = is.read(mBuffer);
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is.close();
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final int BUFLEN = mBuffer.length;
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for (int i=0; i<len && (memFree == 0 || memCached == 0); i++) {
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if (matchText(mBuffer, i, "MemFree")) {
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i += 7;
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memFree = extractMemValue(mBuffer, i);
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} else if (matchText(mBuffer, i, "Cached")) {
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i += 6;
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memCached = extractMemValue(mBuffer, i);
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}
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while (i < BUFLEN && mBuffer[i] != '\n') {
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i++;
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}
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}
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return memFree + memCached;
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} catch (java.io.FileNotFoundException e) {
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} catch (java.io.IOException e) {
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}
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return 0;
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mAm = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);
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mState = (RunningState)getLastNonConfigurationInstance();
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if (mState == null) {
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mState = new RunningState();
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}
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mProcessBgColor = 0xff505050;
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setContentView(R.layout.running_services);
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getListView().setDivider(null);
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getListView().setAdapter(new ServiceListAdapter(mState));
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mColorBar = (LinearColorBar)findViewById(R.id.color_bar);
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mBackgroundProcessText = (TextView)findViewById(R.id.backgroundText);
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mForegroundProcessText = (TextView)findViewById(R.id.foregroundText);
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// Magic! Implementation detail! Don't count on this!
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SECONDARY_SERVER_MEM =
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Integer.valueOf(SystemProperties.get("ro.SECONDARY_SERVER_MEM"))*PAGE_SIZE;
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}
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void refreshUi(boolean dataChanged) {
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if (dataChanged) {
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ServiceListAdapter adapter = (ServiceListAdapter)(getListView().getAdapter());
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adapter.refreshItems();
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adapter.notifyDataSetChanged();
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}
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// This is the amount of available memory until we start killing
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// background services.
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long availMem = readAvailMem() - SECONDARY_SERVER_MEM;
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if (availMem < 0) {
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availMem = 0;
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}
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synchronized (mState.mLock) {
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if (mLastNumBackgroundProcesses != mState.mNumBackgroundProcesses
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|| mLastBackgroundProcessMemory != mState.mBackgroundProcessMemory
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|| mLastAvailMemory != availMem) {
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mLastNumBackgroundProcesses = mState.mNumBackgroundProcesses;
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mLastBackgroundProcessMemory = mState.mBackgroundProcessMemory;
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mLastAvailMemory = availMem;
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String availStr = availMem != 0
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? Formatter.formatShortFileSize(this, availMem) : "0";
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String sizeStr = Formatter.formatShortFileSize(this, mLastBackgroundProcessMemory);
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mBackgroundProcessText.setText(getResources().getString(
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R.string.service_background_processes,
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mLastNumBackgroundProcesses, availStr, sizeStr));
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}
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if (mLastNumForegroundProcesses != mState.mNumForegroundProcesses
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|| mLastForegroundProcessMemory != mState.mForegroundProcessMemory) {
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mLastNumForegroundProcesses = mState.mNumForegroundProcesses;
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mLastForegroundProcessMemory = mState.mForegroundProcessMemory;
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String sizeStr = Formatter.formatShortFileSize(this, mLastForegroundProcessMemory);
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mForegroundProcessText.setText(getResources().getString(
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R.string.service_foreground_processes, mLastNumForegroundProcesses, sizeStr));
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}
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mLastNumServiceProcesses = mState.mNumServiceProcesses;
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mLastServiceProcessMemory = mState.mServiceProcessMemory;
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||||
float totalMem = availMem + mLastBackgroundProcessMemory
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+ mLastForegroundProcessMemory + mLastServiceProcessMemory;
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mColorBar.setRatios(mLastForegroundProcessMemory/totalMem,
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mLastServiceProcessMemory/totalMem,
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(availMem+mLastBackgroundProcessMemory)/totalMem);
|
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}
|
||||
}
|
||||
|
||||
@Override
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||||
protected void onListItemClick(ListView l, View v, int position, long id) {
|
||||
RunningState.BaseItem bi = (RunningState.BaseItem)l.getAdapter().getItem(position);
|
||||
if (!bi.mIsProcess) {
|
||||
RunningState.ServiceItem si = (RunningState.ServiceItem)bi;
|
||||
if (si.mRunningService.clientLabel != 0) {
|
||||
mCurSelected = null;
|
||||
PendingIntent pi = mAm.getRunningServiceControlPanel(
|
||||
si.mRunningService.service);
|
||||
if (pi != null) {
|
||||
try {
|
||||
this.startIntentSender(pi.getIntentSender(), null,
|
||||
Intent.FLAG_ACTIVITY_NEW_TASK
|
||||
| Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET,
|
||||
Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET, 0);
|
||||
} catch (IntentSender.SendIntentException e) {
|
||||
Log.w(TAG, e);
|
||||
} catch (IllegalArgumentException e) {
|
||||
Log.w(TAG, e);
|
||||
} catch (ActivityNotFoundException e) {
|
||||
Log.w(TAG, e);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
mCurSelected = bi;
|
||||
AlertDialog.Builder builder = new AlertDialog.Builder(this);
|
||||
builder.setTitle(R.string.confirm_stop_service);
|
||||
String msg = getResources().getString(
|
||||
R.string.confirm_stop_service_msg,
|
||||
si.mPackageInfo.loadLabel(getPackageManager()));
|
||||
builder.setMessage(msg);
|
||||
builder.setPositiveButton(R.string.confirm_stop_stop, this);
|
||||
builder.setNegativeButton(R.string.confirm_stop_cancel, null);
|
||||
builder.setCancelable(true);
|
||||
mCurDialog = builder.show();
|
||||
}
|
||||
} else {
|
||||
mCurSelected = null;
|
||||
}
|
||||
}
|
||||
|
||||
public void onClick(DialogInterface dialog, int which) {
|
||||
if (mCurSelected != null) {
|
||||
stopService(new Intent().setComponent(
|
||||
((RunningState.ServiceItem)mCurSelected).mRunningService.service));
|
||||
if (mBackgroundHandler != null) {
|
||||
mBackgroundHandler.sendEmptyMessage(MSG_UPDATE_CONTENTS);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onPause() {
|
||||
super.onPause();
|
||||
mHandler.removeMessages(MSG_UPDATE_TIMES);
|
||||
if (mBackgroundThread != null) {
|
||||
mBackgroundThread.quit();
|
||||
mBackgroundThread = null;
|
||||
mBackgroundHandler = null;
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onResume() {
|
||||
super.onResume();
|
||||
refreshUi(mState.update(this, mAm));
|
||||
mBackgroundThread = new HandlerThread("RunningServices");
|
||||
mBackgroundThread.start();
|
||||
mBackgroundHandler = new BackgroundHandler(mBackgroundThread.getLooper());
|
||||
mHandler.removeMessages(MSG_UPDATE_TIMES);
|
||||
Message msg = mHandler.obtainMessage(MSG_UPDATE_TIMES);
|
||||
mHandler.sendMessageDelayed(msg, TIME_UPDATE_DELAY);
|
||||
mBackgroundHandler.removeMessages(MSG_UPDATE_CONTENTS);
|
||||
msg = mBackgroundHandler.obtainMessage(MSG_UPDATE_CONTENTS);
|
||||
mBackgroundHandler.sendMessageDelayed(msg, CONTENTS_UPDATE_DELAY);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Object onRetainNonConfigurationInstance() {
|
||||
return mState;
|
||||
}
|
||||
|
||||
public void onMovedToScrapHeap(View view) {
|
||||
mActiveItems.remove(view);
|
||||
}
|
||||
|
||||
@Override
|
||||
protected void onDestroy() {
|
||||
super.onDestroy();
|
||||
if (mCurDialog != null) {
|
||||
mCurDialog.dismiss();
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user