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      1 /*
      2  * Copyright (C) 2007 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.sdklib;
     18 
     19 import com.android.AndroidConstants;
     20 
     21 import java.io.File;
     22 
     23 /**
     24  * Constant definition class.<br>
     25  * <br>
     26  * Most constants have a prefix defining the content.
     27  * <ul>
     28  * <li><code>OS_</code> OS path constant. These paths are different depending on the platform.</li>
     29  * <li><code>FN_</code> File name constant.</li>
     30  * <li><code>FD_</code> Folder name constant.</li>
     31  * </ul>
     32  *
     33  */
     34 public final class SdkConstants {
     35     public final static int PLATFORM_UNKNOWN = 0;
     36     public final static int PLATFORM_LINUX = 1;
     37     public final static int PLATFORM_WINDOWS = 2;
     38     public final static int PLATFORM_DARWIN = 3;
     39 
     40     /**
     41      * Returns current platform, one of {@link #PLATFORM_WINDOWS}, {@link #PLATFORM_DARWIN},
     42      * {@link #PLATFORM_LINUX} or {@link #PLATFORM_UNKNOWN}.
     43      */
     44     public final static int CURRENT_PLATFORM = currentPlatform();
     45 
     46     /**
     47      * Charset for the ini file handled by the SDK.
     48      */
     49     public final static String INI_CHARSET = "UTF-8";                                 //$NON-NLS-1$
     50 
     51     /** An SDK Project's AndroidManifest.xml file */
     52     public static final String FN_ANDROID_MANIFEST_XML= "AndroidManifest.xml";        //$NON-NLS-1$
     53     /** pre-dex jar filename. i.e. "classes.jar" */
     54     public final static String FN_CLASSES_JAR = "classes.jar";                        //$NON-NLS-1$
     55     /** Dex filename inside the APK. i.e. "classes.dex" */
     56     public final static String FN_APK_CLASSES_DEX = "classes.dex";                    //$NON-NLS-1$
     57 
     58     /** An SDK Project's build.xml file */
     59     public final static String FN_BUILD_XML = "build.xml";                            //$NON-NLS-1$
     60 
     61     /** Name of the framework library, i.e. "android.jar" */
     62     public static final String FN_FRAMEWORK_LIBRARY = "android.jar";                  //$NON-NLS-1$
     63     /** Name of the layout attributes, i.e. "attrs.xml" */
     64     public static final String FN_ATTRS_XML = "attrs.xml";                            //$NON-NLS-1$
     65     /** Name of the layout attributes, i.e. "attrs_manifest.xml" */
     66     public static final String FN_ATTRS_MANIFEST_XML = "attrs_manifest.xml";          //$NON-NLS-1$
     67     /** framework aidl import file */
     68     public static final String FN_FRAMEWORK_AIDL = "framework.aidl";                  //$NON-NLS-1$
     69     /** framework renderscript folder */
     70     public static final String FN_FRAMEWORK_RENDERSCRIPT = "renderscript";            //$NON-NLS-1$
     71     /** framework include folder */
     72     public static final String FN_FRAMEWORK_INCLUDE = "include";                      //$NON-NLS-1$
     73     /** framework include (clang) folder */
     74     public static final String FN_FRAMEWORK_INCLUDE_CLANG = "clang-include";          //$NON-NLS-1$
     75     /** layoutlib.jar file */
     76     public static final String FN_LAYOUTLIB_JAR = "layoutlib.jar";                    //$NON-NLS-1$
     77     /** widget list file */
     78     public static final String FN_WIDGETS = "widgets.txt";                            //$NON-NLS-1$
     79     /** Intent activity actions list file */
     80     public static final String FN_INTENT_ACTIONS_ACTIVITY = "activity_actions.txt";   //$NON-NLS-1$
     81     /** Intent broadcast actions list file */
     82     public static final String FN_INTENT_ACTIONS_BROADCAST = "broadcast_actions.txt"; //$NON-NLS-1$
     83     /** Intent service actions list file */
     84     public static final String FN_INTENT_ACTIONS_SERVICE = "service_actions.txt";     //$NON-NLS-1$
     85     /** Intent category list file */
     86     public static final String FN_INTENT_CATEGORIES = "categories.txt";               //$NON-NLS-1$
     87 
     88     /** platform build property file */
     89     public final static String FN_BUILD_PROP = "build.prop";                          //$NON-NLS-1$
     90     /** plugin properties file */
     91     public final static String FN_PLUGIN_PROP = "plugin.prop";                        //$NON-NLS-1$
     92     /** add-on manifest file */
     93     public final static String FN_MANIFEST_INI = "manifest.ini";                      //$NON-NLS-1$
     94     /** add-on layout device XML file. */
     95     public final static String FN_DEVICES_XML = "devices.xml";                        //$NON-NLS-1$
     96     /** hardware properties definition file */
     97     public final static String FN_HARDWARE_INI = "hardware-properties.ini";           //$NON-NLS-1$
     98 
     99     /** project property file */
    100     public final static String FN_PROJECT_PROPERTIES = "project.properties";          //$NON-NLS-1$
    101 
    102     /** project local property file */
    103     public final static String FN_LOCAL_PROPERTIES = "local.properties";              //$NON-NLS-1$
    104 
    105     /** project ant property file */
    106     public final static String FN_ANT_PROPERTIES = "ant.properties";                  //$NON-NLS-1$
    107 
    108     /** Skin layout file */
    109     public final static String FN_SKIN_LAYOUT = "layout";                             //$NON-NLS-1$
    110 
    111     /** dx.jar file */
    112     public static final String FN_DX_JAR = "dx.jar";                                  //$NON-NLS-1$
    113 
    114     /** dx executable (with extension for the current OS)  */
    115     public final static String FN_DX = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    116             "dx.bat" : "dx";                                            //$NON-NLS-1$ //$NON-NLS-2$
    117 
    118     /** aapt executable (with extension for the current OS)  */
    119     public final static String FN_AAPT = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    120             "aapt.exe" : "aapt";                                        //$NON-NLS-1$ //$NON-NLS-2$
    121 
    122     /** aidl executable (with extension for the current OS)  */
    123     public final static String FN_AIDL = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    124             "aidl.exe" : "aidl";                                        //$NON-NLS-1$ //$NON-NLS-2$
    125 
    126     /** renderscript executable (with extension for the current OS)  */
    127     public final static String FN_RENDERSCRIPT = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    128             "llvm-rs-cc.exe" : "llvm-rs-cc";                            //$NON-NLS-1$ //$NON-NLS-2$
    129 
    130     /** adb executable (with extension for the current OS)  */
    131     public final static String FN_ADB = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    132             "adb.exe" : "adb";                                          //$NON-NLS-1$ //$NON-NLS-2$
    133 
    134     /** emulator executable for the current OS */
    135     public final static String FN_EMULATOR = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    136             "emulator.exe" : "emulator";                                //$NON-NLS-1$ //$NON-NLS-2$
    137 
    138     /** zipalign executable (with extension for the current OS)  */
    139     public final static String FN_ZIPALIGN = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    140             "zipalign.exe" : "zipalign";                                //$NON-NLS-1$ //$NON-NLS-2$
    141 
    142     /** dexdump executable (with extension for the current OS)  */
    143     public final static String FN_DEXDUMP = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    144             "dexdump.exe" : "dexdump";                                  //$NON-NLS-1$ //$NON-NLS-2$
    145 
    146     /** zipalign executable (with extension for the current OS)  */
    147     public final static String FN_PROGUARD = (CURRENT_PLATFORM == PLATFORM_WINDOWS) ?
    148             "proguard.bat" : "proguard.sh";                             //$NON-NLS-1$ //$NON-NLS-2$
    149 
    150     /** properties file for SDK Updater packages */
    151     public final static String FN_SOURCE_PROP = "source.properties";                  //$NON-NLS-1$
    152     /** properties file for content hash of installed packages */
    153     public final static String FN_CONTENT_HASH_PROP = "content_hash.properties";      //$NON-NLS-1$
    154     /** properties file for the SDK */
    155     public final static String FN_SDK_PROP = "sdk.properties";                        //$NON-NLS-1$
    156 
    157     /**
    158      * filename for gdbserver.
    159      */
    160     public final static String FN_GDBSERVER = "gdbserver";              //$NON-NLS-1$
    161 
    162     /** default proguard config file */
    163     public final static String FN_PROGUARD_CFG = "proguard.cfg";        //$NON-NLS-1$
    164 
    165     /* Folder Names for Android Projects . */
    166 
    167     /** Resources folder name, i.e. "res". */
    168     public final static String FD_RESOURCES = "res";                    //$NON-NLS-1$
    169     /** Assets folder name, i.e. "assets" */
    170     public final static String FD_ASSETS = "assets";                    //$NON-NLS-1$
    171     /** Default source folder name in an SDK project, i.e. "src".
    172      * <p/>
    173      * Note: this is not the same as {@link #FD_PKG_SOURCES}
    174      * which is an SDK sources folder for packages. */
    175     public final static String FD_SOURCES = "src";                      //$NON-NLS-1$
    176     /** Default generated source folder name, i.e. "gen" */
    177     public final static String FD_GEN_SOURCES = "gen";                  //$NON-NLS-1$
    178     /** Default native library folder name inside the project, i.e. "libs"
    179      * While the folder inside the .apk is "lib", we call that one libs because
    180      * that's what we use in ant for both .jar and .so and we need to make the 2 development ways
    181      * compatible. */
    182     public final static String FD_NATIVE_LIBS = "libs";                 //$NON-NLS-1$
    183     /** Native lib folder inside the APK: "lib" */
    184     public final static String FD_APK_NATIVE_LIBS = "lib";              //$NON-NLS-1$
    185     /** Default output folder name, i.e. "bin" */
    186     public final static String FD_OUTPUT = "bin";                       //$NON-NLS-1$
    187     /** Classes output folder name, i.e. "classes" */
    188     public final static String FD_CLASSES_OUTPUT = "classes";           //$NON-NLS-1$
    189     /** proguard output folder for mapping, etc.. files */
    190     public final static String FD_PROGUARD = "proguard";                //$NON-NLS-1$
    191 
    192     /* Folder Names for the Android SDK */
    193 
    194     /** Name of the SDK platforms folder. */
    195     public final static String FD_PLATFORMS = "platforms";              //$NON-NLS-1$
    196     /** Name of the SDK addons folder. */
    197     public final static String FD_ADDONS = "add-ons";                   //$NON-NLS-1$
    198     /** Name of the SDK system-images folder. */
    199     public final static String FD_SYSTEM_IMAGES = "system-images";      //$NON-NLS-1$
    200     /** Name of the SDK sources folder where source packages are installed.
    201      * <p/>
    202      * Note this is not the same as {@link #FD_SOURCES} which is the folder name where sources
    203      * are installed inside a project. */
    204     public final static String FD_PKG_SOURCES = "sources";              //$NON-NLS-1$
    205     /** Name of the SDK tools folder. */
    206     public final static String FD_TOOLS = "tools";                      //$NON-NLS-1$
    207     /** Name of the SDK platform tools folder. */
    208     public final static String FD_PLATFORM_TOOLS = "platform-tools";    //$NON-NLS-1$
    209     /** Name of the SDK tools/lib folder. */
    210     public final static String FD_LIB = "lib";                          //$NON-NLS-1$
    211     /** Name of the SDK docs folder. */
    212     public final static String FD_DOCS = "docs";                        //$NON-NLS-1$
    213     /** Name of the doc folder containing API reference doc (javadoc) */
    214     public static final String FD_DOCS_REFERENCE = "reference";         //$NON-NLS-1$
    215     /** Name of the SDK images folder. */
    216     public final static String FD_IMAGES = "images";                    //$NON-NLS-1$
    217     /** Name of the ABI to support. */
    218     public final static String ABI_ARMEABI = "armeabi";                 //$NON-NLS-1$
    219     public final static String ABI_ARMEABI_V7A = "armeabi-v7a";         //$NON-NLS-1$
    220     public final static String ABI_INTEL_ATOM = "x86";                  //$NON-NLS-1$
    221     /** Name of the CPU arch to support. */
    222     public final static String CPU_ARCH_ARM = "arm";                    //$NON-NLS-1$
    223     public final static String CPU_ARCH_INTEL_ATOM = "x86";             //$NON-NLS-1$
    224     /** Name of the CPU model to support. */
    225     public final static String CPU_MODEL_CORTEX_A8 = "cortex-a8";       //$NON-NLS-1$
    226 
    227     /** Name of the SDK skins folder. */
    228     public final static String FD_SKINS = "skins";                      //$NON-NLS-1$
    229     /** Name of the SDK samples folder. */
    230     public final static String FD_SAMPLES = "samples";                  //$NON-NLS-1$
    231     /** Name of the SDK extras folder. */
    232     public final static String FD_EXTRAS = "extras";                    //$NON-NLS-1$
    233     /** Name of the SDK templates folder, i.e. "templates" */
    234     public final static String FD_TEMPLATES = "templates";              //$NON-NLS-1$
    235     /** Name of the SDK Ant folder, i.e. "ant" */
    236     public final static String FD_ANT = "ant";                          //$NON-NLS-1$
    237     /** Name of the SDK data folder, i.e. "data" */
    238     public final static String FD_DATA = "data";                        //$NON-NLS-1$
    239     /** Name of the SDK renderscript folder, i.e. "rs" */
    240     public final static String FD_RENDERSCRIPT = "rs";                  //$NON-NLS-1$
    241     /** Name of the SDK resources folder, i.e. "res" */
    242     public final static String FD_RES = "res";                          //$NON-NLS-1$
    243     /** Name of the SDK font folder, i.e. "fonts" */
    244     public final static String FD_FONTS = "fonts";                      //$NON-NLS-1$
    245     /** Name of the android sources directory */
    246     public static final String FD_ANDROID_SOURCES = "sources";          //$NON-NLS-1$
    247     /** Name of the addon libs folder. */
    248     public final static String FD_ADDON_LIBS = "libs";                  //$NON-NLS-1$
    249 
    250     /** Namespace for the resource XML, i.e. "http://schemas.android.com/apk/res/android" */
    251     public final static String NS_RESOURCES =
    252         "http://schemas.android.com/apk/res/android";                   //$NON-NLS-1$
    253 
    254     /** The name of the uses-library that provides "android.test.runner" */
    255     public final static String ANDROID_TEST_RUNNER_LIB =
    256         "android.test.runner";                                          //$NON-NLS-1$
    257 
    258     /* Folder path relative to the SDK root */
    259     /** Path of the documentation directory relative to the sdk folder.
    260      *  This is an OS path, ending with a separator. */
    261     public final static String OS_SDK_DOCS_FOLDER = FD_DOCS + File.separator;
    262 
    263     /** Path of the tools directory relative to the sdk folder, or to a platform folder.
    264      *  This is an OS path, ending with a separator. */
    265     public final static String OS_SDK_TOOLS_FOLDER = FD_TOOLS + File.separator;
    266 
    267     /** Path of the lib directory relative to the sdk folder, or to a platform folder.
    268      *  This is an OS path, ending with a separator. */
    269     public final static String OS_SDK_TOOLS_LIB_FOLDER =
    270             OS_SDK_TOOLS_FOLDER + FD_LIB + File.separator;
    271 
    272     /**
    273      * Path of the lib directory relative to the sdk folder, or to a platform
    274      * folder. This is an OS path, ending with a separator.
    275      */
    276     public final static String OS_SDK_TOOLS_LIB_EMULATOR_FOLDER = OS_SDK_TOOLS_LIB_FOLDER
    277             + "emulator" + File.separator;                              //$NON-NLS-1$
    278 
    279     /** Path of the platform tools directory relative to the sdk folder.
    280      *  This is an OS path, ending with a separator. */
    281     public final static String OS_SDK_PLATFORM_TOOLS_FOLDER = FD_PLATFORM_TOOLS + File.separator;
    282 
    283     /** Path of the Platform tools Lib directory relative to the sdk folder.
    284      *  This is an OS path, ending with a separator. */
    285     public final static String OS_SDK_PLATFORM_TOOLS_LIB_FOLDER =
    286             OS_SDK_PLATFORM_TOOLS_FOLDER + FD_LIB + File.separator;
    287 
    288     /** Path of the bin folder of proguard folder relative to the sdk folder.
    289      *  This is an OS path, ending with a separator. */
    290     public final static String OS_SDK_TOOLS_PROGUARD_BIN_FOLDER =
    291         SdkConstants.OS_SDK_TOOLS_FOLDER +
    292         "proguard" + File.separator +                                   //$NON-NLS-1$
    293         "bin" + File.separator;                                         //$NON-NLS-1$
    294 
    295     /* Folder paths relative to a platform or add-on folder */
    296 
    297     /** Path of the images directory relative to a platform or addon folder.
    298      *  This is an OS path, ending with a separator. */
    299     public final static String OS_IMAGES_FOLDER = FD_IMAGES + File.separator;
    300 
    301     /** Path of the skin directory relative to a platform or addon folder.
    302      *  This is an OS path, ending with a separator. */
    303     public final static String OS_SKINS_FOLDER = FD_SKINS + File.separator;
    304 
    305     /* Folder paths relative to a Platform folder */
    306 
    307     /** Path of the data directory relative to a platform folder.
    308      *  This is an OS path, ending with a separator. */
    309     public final static String OS_PLATFORM_DATA_FOLDER = FD_DATA + File.separator;
    310 
    311     /** Path of the renderscript directory relative to a platform folder.
    312      *  This is an OS path, ending with a separator. */
    313     public final static String OS_PLATFORM_RENDERSCRIPT_FOLDER = FD_RENDERSCRIPT + File.separator;
    314 
    315 
    316     /** Path of the samples directory relative to a platform folder.
    317      *  This is an OS path, ending with a separator. */
    318     public final static String OS_PLATFORM_SAMPLES_FOLDER = FD_SAMPLES + File.separator;
    319 
    320     /** Path of the resources directory relative to a platform folder.
    321      *  This is an OS path, ending with a separator. */
    322     public final static String OS_PLATFORM_RESOURCES_FOLDER =
    323             OS_PLATFORM_DATA_FOLDER + FD_RES + File.separator;
    324 
    325     /** Path of the fonts directory relative to a platform folder.
    326      *  This is an OS path, ending with a separator. */
    327     public final static String OS_PLATFORM_FONTS_FOLDER =
    328             OS_PLATFORM_DATA_FOLDER + FD_FONTS + File.separator;
    329 
    330     /** Path of the android source directory relative to a platform folder.
    331      *  This is an OS path, ending with a separator. */
    332     public final static String OS_PLATFORM_SOURCES_FOLDER = FD_ANDROID_SOURCES + File.separator;
    333 
    334     /** Path of the android templates directory relative to a platform folder.
    335      *  This is an OS path, ending with a separator. */
    336     public final static String OS_PLATFORM_TEMPLATES_FOLDER = FD_TEMPLATES + File.separator;
    337 
    338     /** Path of the Ant build rules directory relative to a platform folder.
    339      *  This is an OS path, ending with a separator. */
    340     public final static String OS_PLATFORM_ANT_FOLDER = FD_ANT + File.separator;
    341 
    342     /** Path of the attrs.xml file relative to a platform folder. */
    343     public final static String OS_PLATFORM_ATTRS_XML =
    344             OS_PLATFORM_RESOURCES_FOLDER + AndroidConstants.FD_RES_VALUES + File.separator +
    345             FN_ATTRS_XML;
    346 
    347     /** Path of the attrs_manifest.xml file relative to a platform folder. */
    348     public final static String OS_PLATFORM_ATTRS_MANIFEST_XML =
    349             OS_PLATFORM_RESOURCES_FOLDER + AndroidConstants.FD_RES_VALUES + File.separator +
    350             FN_ATTRS_MANIFEST_XML;
    351 
    352     /** Path of the layoutlib.jar file relative to a platform folder. */
    353     public final static String OS_PLATFORM_LAYOUTLIB_JAR =
    354             OS_PLATFORM_DATA_FOLDER + FN_LAYOUTLIB_JAR;
    355 
    356     /** Path of the renderscript include folder relative to a platform folder. */
    357     public final static String OS_FRAMEWORK_RS =
    358             FN_FRAMEWORK_RENDERSCRIPT + File.separator + FN_FRAMEWORK_INCLUDE;
    359     /** Path of the renderscript (clang) include folder relative to a platform folder. */
    360     public final static String OS_FRAMEWORK_RS_CLANG =
    361             FN_FRAMEWORK_RENDERSCRIPT + File.separator + FN_FRAMEWORK_INCLUDE_CLANG;
    362 
    363     /* Folder paths relative to a addon folder */
    364 
    365     /** Path of the images directory relative to a folder folder.
    366      *  This is an OS path, ending with a separator. */
    367     public final static String OS_ADDON_LIBS_FOLDER = FD_ADDON_LIBS + File.separator;
    368 
    369     /** Skin default **/
    370     public final static String SKIN_DEFAULT = "default";                    //$NON-NLS-1$
    371 
    372     /** SDK property: ant templates revision */
    373     public final static String PROP_SDK_ANT_TEMPLATES_REVISION =
    374         "sdk.ant.templates.revision";                                       //$NON-NLS-1$
    375 
    376     /** SDK property: default skin */
    377     public final static String PROP_SDK_DEFAULT_SKIN = "sdk.skin.default"; //$NON-NLS-1$
    378 
    379 
    380     /* Android Class Constants */
    381     public final static String CLASS_ACTIVITY = "android.app.Activity"; //$NON-NLS-1$
    382     public final static String CLASS_APPLICATION = "android.app.Application"; //$NON-NLS-1$
    383     public final static String CLASS_SERVICE = "android.app.Service"; //$NON-NLS-1$
    384     public final static String CLASS_BROADCASTRECEIVER = "android.content.BroadcastReceiver"; //$NON-NLS-1$
    385     public final static String CLASS_CONTENTPROVIDER = "android.content.ContentProvider"; //$NON-NLS-1$
    386     public final static String CLASS_INSTRUMENTATION = "android.app.Instrumentation"; //$NON-NLS-1$
    387     public final static String CLASS_INSTRUMENTATION_RUNNER =
    388         "android.test.InstrumentationTestRunner"; //$NON-NLS-1$
    389     public final static String CLASS_BUNDLE = "android.os.Bundle"; //$NON-NLS-1$
    390     public final static String CLASS_R = "android.R"; //$NON-NLS-1$
    391     public final static String CLASS_MANIFEST_PERMISSION = "android.Manifest$permission"; //$NON-NLS-1$
    392     public final static String CLASS_INTENT = "android.content.Intent"; //$NON-NLS-1$
    393     public final static String CLASS_CONTEXT = "android.content.Context"; //$NON-NLS-1$
    394     public final static String CLASS_VIEW = "android.view.View"; //$NON-NLS-1$
    395     public final static String CLASS_VIEWGROUP = "android.view.ViewGroup"; //$NON-NLS-1$
    396     public final static String CLASS_NAME_LAYOUTPARAMS = "LayoutParams"; //$NON-NLS-1$
    397     public final static String CLASS_VIEWGROUP_LAYOUTPARAMS =
    398         CLASS_VIEWGROUP + "$" + CLASS_NAME_LAYOUTPARAMS; //$NON-NLS-1$
    399     public final static String CLASS_NAME_FRAMELAYOUT = "FrameLayout"; //$NON-NLS-1$
    400     public final static String CLASS_FRAMELAYOUT =
    401         "android.widget." + CLASS_NAME_FRAMELAYOUT; //$NON-NLS-1$
    402     public final static String CLASS_PREFERENCE = "android.preference.Preference"; //$NON-NLS-1$
    403     public final static String CLASS_NAME_PREFERENCE_SCREEN = "PreferenceScreen"; //$NON-NLS-1$
    404     public final static String CLASS_PREFERENCES =
    405         "android.preference." + CLASS_NAME_PREFERENCE_SCREEN; //$NON-NLS-1$
    406     public final static String CLASS_PREFERENCEGROUP = "android.preference.PreferenceGroup"; //$NON-NLS-1$
    407     public final static String CLASS_PARCELABLE = "android.os.Parcelable"; //$NON-NLS-1$
    408     public static final String CLASS_FRAGMENT = "android.app.Fragment"; //$NON-NLS-1$
    409     public static final String CLASS_V4_FRAGMENT = "android.support.v4.app.Fragment"; //$NON-NLS-1$
    410     /** MockView is part of the layoutlib bridge and used to display classes that have
    411      * no rendering in the graphical layout editor. */
    412     public final static String CLASS_MOCK_VIEW = "com.android.layoutlib.bridge.MockView"; //$NON-NLS-1$
    413 
    414 
    415 
    416     /** Returns the appropriate name for the 'android' command, which is 'android.bat' for
    417      * Windows and 'android' for all other platforms. */
    418     public static String androidCmdName() {
    419         String os = System.getProperty("os.name");          //$NON-NLS-1$
    420         String cmd = "android";                             //$NON-NLS-1$
    421         if (os.startsWith("Windows")) {                     //$NON-NLS-1$
    422             cmd += ".bat";                                  //$NON-NLS-1$
    423         }
    424         return cmd;
    425     }
    426 
    427     /** Returns the appropriate name for the 'mksdcard' command, which is 'mksdcard.exe' for
    428      * Windows and 'mkdsdcard' for all other platforms. */
    429     public static String mkSdCardCmdName() {
    430         String os = System.getProperty("os.name");          //$NON-NLS-1$
    431         String cmd = "mksdcard";                            //$NON-NLS-1$
    432         if (os.startsWith("Windows")) {                     //$NON-NLS-1$
    433             cmd += ".exe";                                  //$NON-NLS-1$
    434         }
    435         return cmd;
    436     }
    437 
    438     /**
    439      * Returns current platform
    440      *
    441      * @return one of {@link #PLATFORM_WINDOWS}, {@link #PLATFORM_DARWIN},
    442      * {@link #PLATFORM_LINUX} or {@link #PLATFORM_UNKNOWN}.
    443      */
    444     public static int currentPlatform() {
    445         String os = System.getProperty("os.name");          //$NON-NLS-1$
    446         if (os.startsWith("Mac OS")) {                      //$NON-NLS-1$
    447             return PLATFORM_DARWIN;
    448         } else if (os.startsWith("Windows")) {              //$NON-NLS-1$
    449             return PLATFORM_WINDOWS;
    450         } else if (os.startsWith("Linux")) {                //$NON-NLS-1$
    451             return PLATFORM_LINUX;
    452         }
    453 
    454         return PLATFORM_UNKNOWN;
    455     }
    456 }
    457