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      1 /*
      2  * Copyright (C) 2012 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.example.android.deviceconfig;
     18 
     19 import android.annotation.SuppressLint;
     20 import android.annotation.TargetApi;
     21 import android.content.Context;
     22 import android.content.pm.FeatureInfo;
     23 import android.content.pm.PackageManager;
     24 import android.content.res.Configuration;
     25 import android.content.res.Resources;
     26 import android.hardware.Camera;
     27 import android.hardware.Camera.CameraInfo;
     28 import android.os.Build;
     29 import android.os.Environment;
     30 import android.os.StatFs;
     31 import android.util.DisplayMetrics;
     32 import android.util.Log;
     33 import android.view.ViewConfiguration;
     34 import android.widget.Toast;
     35 
     36 import org.w3c.dom.Document;
     37 import org.w3c.dom.Element;
     38 import org.w3c.dom.Text;
     39 
     40 import java.io.BufferedReader;
     41 import java.io.File;
     42 import java.io.FileNotFoundException;
     43 import java.io.FileOutputStream;
     44 import java.io.FileReader;
     45 import java.io.IOException;
     46 import java.util.ArrayList;
     47 import java.util.Calendar;
     48 import java.util.List;
     49 import java.util.Locale;
     50 
     51 import javax.xml.XMLConstants;
     52 import javax.xml.parsers.DocumentBuilderFactory;
     53 import javax.xml.parsers.ParserConfigurationException;
     54 import javax.xml.transform.OutputKeys;
     55 import javax.xml.transform.Transformer;
     56 import javax.xml.transform.TransformerConfigurationException;
     57 import javax.xml.transform.TransformerException;
     58 import javax.xml.transform.TransformerFactory;
     59 import javax.xml.transform.TransformerFactoryConfigurationError;
     60 import javax.xml.transform.dom.DOMSource;
     61 import javax.xml.transform.stream.StreamResult;
     62 
     63 public class ConfigGenerator {
     64     private Context mCtx;
     65     private String mExtensions;
     66 
     67     public static final String NS_DEVICES_XSD = "http://schemas.android.com/sdk/devices/1";
     68 
     69     /**
     70      * The "devices" element is the root element of this schema.
     71      *
     72      * It must contain one or more "device" elements that each define the
     73      * hardware, software, and states for a given device.
     74      */
     75     public static final String NODE_DEVICES = "devices";
     76 
     77     /**
     78      * A "device" element contains a "hardware" element, a "software" element
     79      * for each API version it supports, and a "state" element for each possible
     80      * state the device could be in.
     81      */
     82     public static final String NODE_DEVICE = "device";
     83 
     84     /**
     85      * The "hardware" element contains all of the hardware information for a
     86      * given device.
     87      */
     88     public static final String NODE_HARDWARE = "hardware";
     89 
     90     /**
     91      * The "software" element contains all of the software information for an
     92      * API version of the given device.
     93      */
     94     public static final String NODE_SOFTWARE = "software";
     95 
     96     /**
     97      * The "state" element contains all of the parameters for a given state of
     98      * the device. It's also capable of redefining hardware configurations if
     99      * they change based on state.
    100      */
    101 
    102     public static final String NODE_STATE = "state";
    103 
    104     public static final String NODE_KEYBOARD = "keyboard";
    105     public static final String NODE_TOUCH = "touch";
    106     public static final String NODE_GL_EXTENSIONS = "gl-extensions";
    107     public static final String NODE_GL_VERSION = "gl-version";
    108     public static final String NODE_NETWORKING = "networking";
    109     public static final String NODE_REMOVABLE_STORAGE = "removable-storage";
    110     public static final String NODE_FLASH = "flash";
    111     public static final String NODE_LIVE_WALLPAPER_SUPPORT = "live-wallpaper-support";
    112     public static final String NODE_BUTTONS = "buttons";
    113     public static final String NODE_CAMERA = "camera";
    114     public static final String NODE_LOCATION = "location";
    115     public static final String NODE_GPU = "gpu";
    116     public static final String NODE_DOCK = "dock";
    117     public static final String NODE_YDPI = "ydpi";
    118     public static final String NODE_POWER_TYPE = "power-type";
    119     public static final String NODE_Y_DIMENSION = "y-dimension";
    120     public static final String NODE_SCREEN_RATIO = "screen-ratio";
    121     public static final String NODE_NAV_STATE = "nav-state";
    122     public static final String NODE_MIC = "mic";
    123     public static final String NODE_RAM = "ram";
    124     public static final String NODE_XDPI = "xdpi";
    125     public static final String NODE_DIMENSIONS = "dimensions";
    126     public static final String NODE_ABI = "abi";
    127     public static final String NODE_MECHANISM = "mechanism";
    128     public static final String NODE_MULTITOUCH = "multitouch";
    129     public static final String NODE_NAV = "nav";
    130     public static final String NODE_PIXEL_DENSITY = "pixel-density";
    131     public static final String NODE_SCREEN_ORIENTATION = "screen-orientation";
    132     public static final String NODE_AUTOFOCUS = "autofocus";
    133     public static final String NODE_SCREEN_SIZE = "screen-size";
    134     public static final String NODE_DESCRIPTION = "description";
    135     public static final String NODE_BLUETOOTH_PROFILES = "bluetooth-profiles";
    136     public static final String NODE_SCREEN = "screen";
    137     public static final String NODE_SENSORS = "sensors";
    138     public static final String NODE_DIAGONAL_LENGTH = "diagonal-length";
    139     public static final String NODE_SCREEN_TYPE = "screen-type";
    140     public static final String NODE_KEYBOARD_STATE = "keyboard-state";
    141     public static final String NODE_X_DIMENSION = "x-dimension";
    142     public static final String NODE_CPU = "cpu";
    143     public static final String NODE_INTERNAL_STORAGE = "internal-storage";
    144     public static final String NODE_NAME = "name";
    145     public static final String NODE_MANUFACTURER = "manufacturer";
    146     public static final String NODE_API_LEVEL = "api-level";
    147     public static final String ATTR_DEFAULT = "default";
    148     public static final String ATTR_UNIT = "unit";
    149     public static final String UNIT_BYTES = "B";
    150     public static final String UNIT_KIBIBYTES = "KiB";
    151     public static final String UNIT_MEBIBYTES = "MiB";
    152     public static final String UNIT_GIBIBYTES = "GiB";
    153     public static final String UNIT_TEBIBYTES = "TiB";
    154     public static final String LOCAL_NS = "d";
    155     public static final String PREFIX = LOCAL_NS + ":";
    156 
    157     private static final String TAG = "ConfigGenerator";
    158 
    159     public ConfigGenerator(Context context, String extensions) {
    160         mCtx = context;
    161         mExtensions = extensions;
    162     }
    163 
    164     @SuppressLint("WorldReadableFiles")
    165     public String generateConfig() {
    166         Resources resources = mCtx.getResources();
    167         PackageManager packageMgr = mCtx.getPackageManager();
    168         DisplayMetrics metrics = resources.getDisplayMetrics();
    169         Configuration config = resources.getConfiguration();
    170 
    171         try {
    172             Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
    173 
    174             Element devices = doc.createElement(PREFIX + NODE_DEVICES);
    175             devices.setAttribute(XMLConstants.XMLNS_ATTRIBUTE + ":xsi",
    176                     XMLConstants.W3C_XML_SCHEMA_INSTANCE_NS_URI);
    177             devices.setAttribute(XMLConstants.XMLNS_ATTRIBUTE + ":" + LOCAL_NS, NS_DEVICES_XSD);
    178             doc.appendChild(devices);
    179 
    180             Element device = doc.createElement(PREFIX + NODE_DEVICE);
    181             devices.appendChild(device);
    182 
    183             Element name = doc.createElement(PREFIX + NODE_NAME);
    184             device.appendChild(name);
    185             name.appendChild(doc.createTextNode(android.os.Build.MODEL));
    186             Element manufacturer = doc.createElement(PREFIX + NODE_MANUFACTURER);
    187             device.appendChild(manufacturer);
    188             manufacturer.appendChild(doc.createTextNode(android.os.Build.MANUFACTURER));
    189 
    190             Element hardware = doc.createElement(PREFIX + NODE_HARDWARE);
    191             device.appendChild(hardware);
    192 
    193             Element screen = doc.createElement(PREFIX + NODE_SCREEN);
    194             hardware.appendChild(screen);
    195 
    196             Element screenSize = doc.createElement(PREFIX + NODE_SCREEN_SIZE);
    197             screen.appendChild(screenSize);
    198             Text screenSizeText;
    199             switch (config.screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK) {
    200             case Configuration.SCREENLAYOUT_SIZE_SMALL:
    201                 screenSizeText = doc.createTextNode("small");
    202                 break;
    203             case Configuration.SCREENLAYOUT_SIZE_NORMAL:
    204                 screenSizeText = doc.createTextNode("normal");
    205                 break;
    206             case Configuration.SCREENLAYOUT_SIZE_LARGE:
    207                 screenSizeText = doc.createTextNode("large");
    208                 break;
    209             case Configuration.SCREENLAYOUT_SIZE_XLARGE:
    210                 screenSizeText = doc.createTextNode("xlarge");
    211                 break;
    212             default:
    213                 screenSizeText = doc.createTextNode(" ");
    214                 break;
    215             }
    216             screenSize.appendChild(screenSizeText);
    217 
    218             Element diagonalLength = doc.createElement(PREFIX + NODE_DIAGONAL_LENGTH);
    219             screen.appendChild(diagonalLength);
    220             double xin = metrics.widthPixels / metrics.xdpi;
    221             double yin = metrics.heightPixels / metrics.ydpi;
    222             double diag = Math.sqrt(Math.pow(xin, 2) + Math.pow(yin, 2));
    223             diagonalLength.appendChild(doc.createTextNode(
    224                   String.format(Locale.US, "%1$.2f", diag)));
    225 
    226             Element pixelDensity = doc.createElement(PREFIX + NODE_PIXEL_DENSITY);
    227             screen.appendChild(pixelDensity);
    228             Text pixelDensityText;
    229             switch (metrics.densityDpi) {
    230             case DisplayMetrics.DENSITY_LOW:
    231                 pixelDensityText = doc.createTextNode("ldpi");
    232                 break;
    233             case DisplayMetrics.DENSITY_MEDIUM:
    234                 pixelDensityText = doc.createTextNode("mdpi");
    235                 break;
    236             case DisplayMetrics.DENSITY_TV:
    237                 pixelDensityText = doc.createTextNode("tvdpi");
    238                 break;
    239             case DisplayMetrics.DENSITY_HIGH:
    240                 pixelDensityText = doc.createTextNode("hdpi");
    241                 break;
    242             case DisplayMetrics.DENSITY_XHIGH:
    243                 pixelDensityText = doc.createTextNode("xhdpi");
    244                 break;
    245             default:
    246                 pixelDensityText = doc.createTextNode(" ");
    247             }
    248             pixelDensity.appendChild(pixelDensityText);
    249 
    250             Element screenRatio = doc.createElement(PREFIX + NODE_SCREEN_RATIO);
    251             screen.appendChild(screenRatio);
    252             Text screenRatioText;
    253             switch (config.screenLayout & Configuration.SCREENLAYOUT_LONG_MASK) {
    254             case Configuration.SCREENLAYOUT_LONG_YES:
    255                 screenRatioText = doc.createTextNode("long");
    256                 break;
    257             case Configuration.SCREENLAYOUT_LONG_NO:
    258                 screenRatioText = doc.createTextNode("notlong");
    259                 break;
    260             default:
    261                 screenRatioText = doc.createTextNode(" ");
    262                 break;
    263             }
    264             screenRatio.appendChild(screenRatioText);
    265 
    266             Element dimensions = doc.createElement(PREFIX + NODE_DIMENSIONS);
    267             screen.appendChild(dimensions);
    268 
    269             Element xDimension = doc.createElement(PREFIX + NODE_X_DIMENSION);
    270             dimensions.appendChild(xDimension);
    271             xDimension.appendChild(doc.createTextNode(Integer.toString(metrics.widthPixels)));
    272 
    273             Element yDimension = doc.createElement(PREFIX + NODE_Y_DIMENSION);
    274             dimensions.appendChild(yDimension);
    275             yDimension.appendChild(doc.createTextNode(Integer.toString(metrics.heightPixels)));
    276 
    277             Element xdpi = doc.createElement(PREFIX + NODE_XDPI);
    278             screen.appendChild(xdpi);
    279             xdpi.appendChild(doc.createTextNode(Double.toString(metrics.xdpi)));
    280 
    281             Element ydpi = doc.createElement(PREFIX + NODE_YDPI);
    282             screen.appendChild(ydpi);
    283             ydpi.appendChild(doc.createTextNode(Double.toString(metrics.ydpi)));
    284 
    285             Element touch = doc.createElement(PREFIX + NODE_TOUCH);
    286             screen.appendChild(touch);
    287 
    288             Element multitouch = doc.createElement(PREFIX + NODE_MULTITOUCH);
    289             touch.appendChild(multitouch);
    290             Text multitouchText;
    291             if (packageMgr
    292                     .hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH_JAZZHAND)) {
    293                 multitouchText = doc.createTextNode("jazz-hands");
    294             } else if (packageMgr
    295                     .hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH_DISTINCT)) {
    296                 multitouchText = doc.createTextNode("distinct");
    297             } else if (packageMgr.hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH)) {
    298                 multitouchText = doc.createTextNode("basic");
    299             } else {
    300                 multitouchText = doc.createTextNode("none");
    301             }
    302             multitouch.appendChild(multitouchText);
    303 
    304             Element mechanism = doc.createElement(PREFIX + NODE_MECHANISM);
    305             touch.appendChild(mechanism);
    306             Text mechanismText;
    307             switch (config.touchscreen) {
    308             case Configuration.TOUCHSCREEN_STYLUS:
    309                 mechanismText = doc.createTextNode("stylus");
    310             case Configuration.TOUCHSCREEN_FINGER:
    311                 mechanismText = doc.createTextNode("finger");
    312             case Configuration.TOUCHSCREEN_NOTOUCH:
    313                 mechanismText = doc.createTextNode("notouch");
    314             default:
    315                 mechanismText = doc.createTextNode(" ");
    316             }
    317             mechanism.appendChild(mechanismText);
    318 
    319             // Create an empty place holder node for screen-type since we can't
    320             // actually determine it
    321 
    322             Element screenType = doc.createElement(PREFIX + NODE_SCREEN_TYPE);
    323             touch.appendChild(screenType);
    324             screenType.appendChild(doc.createTextNode(" "));
    325 
    326             Element networking = doc.createElement(PREFIX + NODE_NETWORKING);
    327             hardware.appendChild(networking);
    328             Text networkingText = doc.createTextNode("");
    329             networking.appendChild(networkingText);
    330             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_WIFI)) {
    331                 networkingText.appendData("\nWifi");
    332             }
    333             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)) {
    334                 networkingText.appendData("\nBluetooth");
    335             }
    336             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_NFC)) {
    337                 networkingText.appendData("\nNFC");
    338             }
    339 
    340             Element sensors = doc.createElement(PREFIX + NODE_SENSORS);
    341             hardware.appendChild(sensors);
    342             Text sensorsText = doc.createTextNode("");
    343             sensors.appendChild(sensorsText);
    344             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_SENSOR_ACCELEROMETER)) {
    345                 sensorsText.appendData("\nAccelerometer");
    346             }
    347             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_SENSOR_BAROMETER)) {
    348                 sensorsText.appendData("\nBarometer");
    349             }
    350             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_SENSOR_COMPASS)) {
    351                 sensorsText.appendData("\nCompass");
    352             }
    353             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_LOCATION_GPS)) {
    354                 sensorsText.appendData("\nGPS");
    355             }
    356             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_SENSOR_GYROSCOPE)) {
    357                 sensorsText.appendData("\nGyroscope");
    358             }
    359             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_SENSOR_LIGHT)) {
    360                 sensorsText.appendData("\nLightSensor");
    361             }
    362             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_SENSOR_PROXIMITY)) {
    363                 sensorsText.appendData("\nProximitySensor");
    364             }
    365 
    366             Element mic = doc.createElement(PREFIX + NODE_MIC);
    367             hardware.appendChild(mic);
    368             Text micText;
    369             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_MICROPHONE)) {
    370                 micText = doc.createTextNode("true");
    371             } else {
    372                 micText = doc.createTextNode("false");
    373             }
    374             mic.appendChild(micText);
    375 
    376             if (android.os.Build.VERSION.SDK_INT >= 9){
    377                 List<Element> cameras = getCameraElements(doc);
    378                 for (Element cam : cameras){
    379                     hardware.appendChild(cam);
    380                 }
    381             } else {
    382                 Camera c = Camera.open();
    383                 Element camera = doc.createElement(PREFIX + NODE_CAMERA);
    384                 hardware.appendChild(camera);
    385                 Element location = doc.createElement(PREFIX + NODE_LOCATION);
    386                 camera.appendChild(location);
    387                 // All camera's before API 9 were on the back
    388                 location.appendChild(doc.createTextNode("back"));
    389                 Camera.Parameters cParams = c.getParameters();
    390                 Element autofocus = doc.createElement(PREFIX + NODE_AUTOFOCUS);
    391                 camera.appendChild(autofocus);
    392                 List<String> foci = cParams.getSupportedFocusModes();
    393                 if (foci == null) {
    394                     autofocus.appendChild(doc.createTextNode(" "));
    395                 } else if (foci.contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
    396                     autofocus.appendChild(doc.createTextNode("true"));
    397                 } else {
    398                     autofocus.appendChild(doc.createTextNode("false"));
    399                 }
    400 
    401                 Element flash = doc.createElement(PREFIX + NODE_FLASH);
    402                 camera.appendChild(flash);
    403                 List<String> flashes = cParams.getSupportedFlashModes();
    404                 if (flashes == null || !flashes.contains(Camera.Parameters.FLASH_MODE_ON)) {
    405                     flash.appendChild(doc.createTextNode("false"));
    406                 } else {
    407                     flash.appendChild(doc.createTextNode("true"));
    408                 }
    409                 c.release();
    410             }
    411 
    412 
    413             Element keyboard = doc.createElement(PREFIX + NODE_KEYBOARD);
    414             hardware.appendChild(keyboard);
    415             Text keyboardText;
    416             switch (config.keyboard) {
    417             case Configuration.KEYBOARD_NOKEYS:
    418                 keyboardText = doc.createTextNode("nokeys");
    419                 break;
    420             case Configuration.KEYBOARD_12KEY:
    421                 keyboardText = doc.createTextNode("12key");
    422                 break;
    423             case Configuration.KEYBOARD_QWERTY:
    424                 keyboardText = doc.createTextNode("qwerty");
    425                 break;
    426             default:
    427                 keyboardText = doc.createTextNode(" ");
    428             }
    429             keyboard.appendChild(keyboardText);
    430 
    431             Element nav = doc.createElement(PREFIX + NODE_NAV);
    432             hardware.appendChild(nav);
    433             Text navText;
    434             switch (config.navigation) {
    435             case Configuration.NAVIGATION_DPAD:
    436                 navText = doc.createTextNode("dpad");
    437             case Configuration.NAVIGATION_TRACKBALL:
    438                 navText = doc.createTextNode("trackball");
    439             case Configuration.NAVIGATION_WHEEL:
    440                 navText = doc.createTextNode("wheel");
    441             case Configuration.NAVIGATION_NONAV:
    442                 navText = doc.createTextNode("nonav");
    443             default:
    444                 navText = doc.createTextNode(" ");
    445             }
    446             nav.appendChild(navText);
    447 
    448             Element ram = doc.createElement(PREFIX + NODE_RAM);
    449             hardware.appendChild(ram);
    450             // totalMemory given in bytes, divide by 1048576 to get RAM in MiB
    451             String line;
    452             long ramAmount = 0;
    453             String unit = UNIT_BYTES;
    454             try {
    455                 BufferedReader meminfo = new BufferedReader(new FileReader("/proc/meminfo"));
    456                 while ((line = meminfo.readLine()) != null) {
    457                     String[] vals = line.split("[\\s]+");
    458                     if (vals[0].equals("MemTotal:")) {
    459                         try {
    460                             /*
    461                              * We're going to want it as a string eventually,
    462                              * but parsing it lets us validate it's actually a
    463                              * number and something strange isn't going on
    464                              */
    465                             ramAmount = Long.parseLong(vals[1]);
    466                             unit = vals[2];
    467                             break;
    468                         } catch (NumberFormatException e) {
    469                             // Ignore
    470                         }
    471                     }
    472                 }
    473                 meminfo.close();
    474             } catch (FileNotFoundException e) {
    475                 // Ignore
    476             }
    477             if (ramAmount > 0) {
    478                 if (unit.equals("B")) {
    479                     unit = UNIT_BYTES;
    480                 } else if (unit.equals("kB")) {
    481                     unit = UNIT_KIBIBYTES;
    482                 } else if (unit.equals("MB")) {
    483                     unit = UNIT_MEBIBYTES;
    484                 } else if (unit.equals("GB")) {
    485                     unit = UNIT_GIBIBYTES;
    486                 } else {
    487                     unit = " ";
    488                 }
    489             }
    490             ram.setAttribute(ATTR_UNIT, unit);
    491             ram.appendChild(doc.createTextNode(Long.toString(ramAmount)));
    492 
    493             Element buttons = doc.createElement(PREFIX + NODE_BUTTONS);
    494             hardware.appendChild(buttons);
    495             Text buttonsText;
    496             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
    497                 buttonsText = doc.createTextNode(getButtonsType());
    498             } else {
    499                 buttonsText = doc.createTextNode("hard");
    500             }
    501             buttons.appendChild(buttonsText);
    502 
    503             Element internalStorage = doc.createElement(PREFIX + NODE_INTERNAL_STORAGE);
    504             hardware.appendChild(internalStorage);
    505             StatFs rootStat = new StatFs(Environment.getRootDirectory().getAbsolutePath());
    506             long bytesAvailable = rootStat.getBlockSize() * rootStat.getBlockCount();
    507             long internalStorageSize = bytesAvailable / (1024 * 1024);
    508             internalStorage.appendChild(doc.createTextNode(Long.toString(internalStorageSize)));
    509             internalStorage.setAttribute(ATTR_UNIT, UNIT_MEBIBYTES);
    510 
    511             Element externalStorage = doc.createElement(PREFIX + NODE_REMOVABLE_STORAGE);
    512             hardware.appendChild(externalStorage);
    513             externalStorage.appendChild(doc.createTextNode(" "));
    514 
    515 
    516             // Don't know CPU, GPU types
    517             Element cpu = doc.createElement(PREFIX + NODE_CPU);
    518             hardware.appendChild(cpu);
    519             cpu.appendChild(doc.createTextNode(" "));
    520             Element gpu = doc.createElement(PREFIX + NODE_GPU);
    521             hardware.appendChild(gpu);
    522             gpu.appendChild(doc.createTextNode(" "));
    523 
    524             Element abi = doc.createElement(PREFIX + NODE_ABI);
    525             hardware.appendChild(abi);
    526             Text abiText = doc.createTextNode("");
    527             abi.appendChild(abiText);
    528             abiText.appendData("\n" + android.os.Build.CPU_ABI);
    529             abiText.appendData("\n" + android.os.Build.CPU_ABI2);
    530 
    531             // Don't know about either the dock or plugged-in element
    532             Element dock = doc.createElement(PREFIX + NODE_DOCK);
    533             hardware.appendChild(dock);
    534             dock.appendChild(doc.createTextNode(" "));
    535 
    536             Element pluggedIn = doc.createElement(PREFIX + NODE_POWER_TYPE);
    537             hardware.appendChild(pluggedIn);
    538             pluggedIn.appendChild(doc.createTextNode(" "));
    539 
    540             Element software = doc.createElement(PREFIX + NODE_SOFTWARE);
    541             device.appendChild(software);
    542 
    543             Element apiLevel = doc.createElement(PREFIX + NODE_API_LEVEL);
    544             software.appendChild(apiLevel);
    545             apiLevel.appendChild(doc.createTextNode(Integer
    546                     .toString(android.os.Build.VERSION.SDK_INT)));
    547 
    548             Element liveWallpaperSupport = doc.createElement(PREFIX + NODE_LIVE_WALLPAPER_SUPPORT);
    549             software.appendChild(liveWallpaperSupport);
    550             if (packageMgr.hasSystemFeature(PackageManager.FEATURE_LIVE_WALLPAPER)) {
    551                 liveWallpaperSupport.appendChild(doc.createTextNode("true"));
    552             } else {
    553                 liveWallpaperSupport.appendChild(doc.createTextNode("flase"));
    554             }
    555 
    556             Element bluetoothProfiles = doc.createElement(PREFIX + NODE_BLUETOOTH_PROFILES);
    557             software.appendChild(bluetoothProfiles);
    558             bluetoothProfiles.appendChild(doc.createTextNode(" "));
    559 
    560             Element glVersion = doc.createElement(PREFIX + NODE_GL_VERSION);
    561             software.appendChild(glVersion);
    562             String glVersionString = " ";
    563 
    564             FeatureInfo[] features = packageMgr.getSystemAvailableFeatures();
    565             for (FeatureInfo feature : features) {
    566                 if (feature.reqGlEsVersion > 0) {
    567                     glVersionString = feature.getGlEsVersion();
    568                     break;
    569                 }
    570             }
    571 
    572             glVersion.appendChild(doc.createTextNode(glVersionString));
    573 
    574             Element glExtensions = doc.createElement(PREFIX + NODE_GL_EXTENSIONS);
    575             software.appendChild(glExtensions);
    576             if (mExtensions != null && !mExtensions.trim().equals("")) {
    577                 glExtensions.appendChild(doc.createTextNode(mExtensions));
    578             } else {
    579                 glExtensions.appendChild(doc.createTextNode(" "));
    580             }
    581 
    582             Transformer tf = TransformerFactory.newInstance().newTransformer();
    583             tf.setOutputProperty(OutputKeys.INDENT, "yes");
    584             tf.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
    585             DOMSource source = new DOMSource(doc);
    586             String filename = String.format("devices_%1$tm_%1$td_%1$ty.xml", Calendar.getInstance()
    587                     .getTime());
    588             File dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS);
    589             File outFile = new File(dir, filename);
    590             FileOutputStream out = new FileOutputStream(new File(dir, filename));
    591             StreamResult result = new StreamResult(out);
    592             tf.transform(source, result);
    593             out.flush();
    594             out.close();
    595             return outFile.getAbsolutePath();
    596         } catch (ParserConfigurationException e) {
    597             error("Parser config exception", e);
    598         } catch (TransformerConfigurationException e) {
    599             error("Transformer config exception", e);
    600         } catch (TransformerFactoryConfigurationError e) {
    601             error("TransformerFactory config exception", e);
    602         } catch (TransformerException e) {
    603             error("Error transforming", e);
    604         } catch (IOException e) {
    605             error("I/O Error", e);
    606         }
    607         return null;
    608     }
    609 
    610     @TargetApi(9)
    611     private List<Element> getCameraElements(Document doc) {
    612         List<Element> cList = new ArrayList<Element>();
    613         for (int i = 0; i < Camera.getNumberOfCameras(); i++) {
    614             Element camera = doc.createElement(PREFIX + NODE_CAMERA);
    615             cList.add(camera);
    616             Element location = doc.createElement(PREFIX + NODE_LOCATION);
    617             camera.appendChild(location);
    618             Text locationText;
    619             Camera.CameraInfo cInfo = new Camera.CameraInfo();
    620             Camera.getCameraInfo(i, cInfo);
    621             if (cInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
    622                 locationText = doc.createTextNode("front");
    623             } else if (cInfo.facing == CameraInfo.CAMERA_FACING_BACK) {
    624                 locationText = doc.createTextNode("back");
    625             } else {
    626                 locationText = doc.createTextNode(" ");
    627             }
    628             location.appendChild(locationText);
    629 
    630             Camera c = Camera.open(i);
    631             Camera.Parameters cParams = c.getParameters();
    632 
    633             Element autofocus = doc.createElement(PREFIX + NODE_AUTOFOCUS);
    634             camera.appendChild(autofocus);
    635             List<String> foci = cParams.getSupportedFocusModes();
    636             if (foci == null) {
    637                 autofocus.appendChild(doc.createTextNode(" "));
    638             } else if (foci.contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
    639                 autofocus.appendChild(doc.createTextNode("true"));
    640             } else {
    641                 autofocus.appendChild(doc.createTextNode("false"));
    642             }
    643 
    644             Element flash = doc.createElement(PREFIX + NODE_FLASH);
    645             camera.appendChild(flash);
    646             List<String> flashes = cParams.getSupportedFlashModes();
    647             if (flashes == null || !flashes.contains(Camera.Parameters.FLASH_MODE_ON)) {
    648                 flash.appendChild(doc.createTextNode("false"));
    649             } else {
    650                 flash.appendChild(doc.createTextNode("true"));
    651             }
    652             c.release();
    653         }
    654         return cList;
    655     }
    656 
    657     @TargetApi(14)
    658     private String getButtonsType() {
    659         ViewConfiguration vConfig = ViewConfiguration.get(mCtx);
    660 
    661         if (vConfig.hasPermanentMenuKey()) {
    662             return "hard";
    663         } else {
    664             return "soft";
    665         }
    666     }
    667 
    668     private void error(String err, Throwable e) {
    669         Toast.makeText(mCtx, "Error Generating Configuration", Toast.LENGTH_SHORT).show();
    670         Log.e(TAG, err);
    671         Log.e(TAG, e.getLocalizedMessage());
    672     }
    673 }
    674