title: Getting Following Error When i am trying to generate .apk file
body: <p>when i am trying to generate .apk file from SenchaTouch App with command "sencha app build native", i got the following error, Can any one please tell me the solution</p>
  
  <pre><code>C:\Users\Zenith\WebstormProjects\SenchaTouch&gt;sencha app build native
  Sencha Cmd v4.0.1.45
  [INF]
  [INF] init-plugin:
  [INF]
  [INF] cmd-root-plugin.init-properties:
  [INF]
  [INF] init-properties:
  [INF]
  [INF] init-sencha-command:
  [INF]
  [INF] init:
  [INF]
  [INF] app-build-impl:
  [INF]
  [INF] -before-init-local:
  [INF]
  [INF] -init-local:
  [INF]
  [INF] -after-init-local:
  [INF]
  [INF] init-local:
  [INF]
  [INF] find-cmd-in-path:
  [INF]
  [INF] find-cmd-in-environment:
  [INF]
  [INF] find-cmd-in-shell:
  [INF]
  [INF] init-cmd:
  [INF]      [echo] Using Sencha Cmd from C:\Users\Zenith\bin\Sencha\Cmd\4.0.1.45
  for C:\Users\Zenith\WebstormProjects\SenchaTouch\build.xml
  [INF]
  [INF] -before-init:
  [INF]
  [INF] -init:
  [INF] Initializing Sencha Cmd ant environment
  [INF] Adding antlib taskdef for com/sencha/command/compass/ant/antlib.xml
  [INF]
  [INF] -after-init:
  [INF]
  [INF] -before-init-defaults:
  [INF]
  [INF] -init-defaults:
  [INF]
  [INF] -after-init-defaults:
  [INF]
  [INF] -init-compiler:
  [INF]
  [INF] init:
  [INF]
  [INF] -before-build:
  [INF]
  [INF] refresh:
  [INF]
  [INF] -before-refresh:
  [INF]
  [INF] -init:
  [INF]
  [INF] -init-compiler:
  [INF]
  [INF] -detect-app-build-properties:
  [INF] Loading app json manifest...
  [INF] Loading classpath entry C:\Users\Zenith\WebstormProjects\SenchaTouch\touch
  \src
  [INF] Loading classpath entry C:\Users\Zenith\WebstormProjects\SenchaTouch\app.j
  s
  [INF] Loading classpath entry C:\Users\Zenith\WebstormProjects\SenchaTouch\app
  [INF] Loading classpath entry C:\Users\Zenith\WebstormProjects\SenchaTouch\build
  \temp\native\TouchEx1\sencha-compiler\app
  [INF] Loading classpath entry C:\Users\Zenith\WebstormProjects\SenchaTouch\build
  \temp\native\TouchEx1\sencha-compiler\app
  [INF] Concatenating output to file C:\Users\Zenith\WebstormProjects\SenchaTouch/
  build/temp/native/TouchEx1/sencha-compiler/cmd-packages.js
  [INF] Adding external reference : @full-page =&gt; @overrides
  [INF] Loading classpath entry C:\Users\Zenith\WebstormProjects\SenchaTouch\build
  \temp\native\TouchEx1\sencha-compiler\cmd-packages.js
  [INF] Adding external reference : Ext.util.Observable =&gt; C:\Users\Zenith\Webstor
  mProjects\SenchaTouch/build/temp/native/TouchEx1/sencha-compiler/cmd-packages.js
  
  [INF]
  [INF] -refresh-app:
  [INF] Appending concatenated output to file C:\Users\Zenith\WebstormProjects\Sen
  chaTouch/bootstrap.js
  [INF] Appending concatenated output to file C:\Users\Zenith\WebstormProjects\Sen
  chaTouch/bootstrap.js
  [INF] Appending concatenated output to file C:\Users\Zenith\WebstormProjects\Sen
  chaTouch/bootstrap.js
  [INF] Appending concatenated output to file C:\Users\Zenith\WebstormProjects\Sen
  chaTouch/bootstrap.js
  [INF] Appending concatenated output to file C:\Users\Zenith\WebstormProjects\Sen
  chaTouch/bootstrap.js
  [INF] Appending content to C:\Users\Zenith\WebstormProjects\SenchaTouch/bootstra
  p.json
  [INF]
  [INF] -refresh:
  [INF]
  [INF] -after-refresh:
  [INF]
  [INF] resolve:
  [INF]
  [INF] js:
  [INF]
  [INF] -before-js:
  [INF]
  [INF] -init:
  [INF]
  [INF] -init-compiler:
  [INF]
  [INF] -detect-app-build-properties:
  [INF]
  [INF] -compile-js:
  [INF] Compressing data with YuiJavascriptCompressor
  [INF] Concatenating output to file C:\Users\Zenith\WebstormProjects\SenchaTouch/
  build/native/TouchEx1/app.js
  [INF]
  [INF] -js:
  [INF]
  [INF] -after-js:
  [INF]
  [INF] resources:
  [INF]
  [INF] -before-resources:
  [INF]
  [INF] -before-inherit-resources:
  [INF]
  [INF] -before-copy-resources:
  [INF]
  [INF] -init:
  [INF]
  [INF] -init-compiler:
  [INF]
  [INF] -resources:
  [INF] merging resources into C:\Users\Zenith\WebstormProjects\SenchaTouch\build\
  native\TouchEx1\resources
  [INF] merged 0 resources into C:\Users\Zenith\WebstormProjects\SenchaTouch\build
  \native\TouchEx1\resources
  [INF] merging resources into C:\Users\Zenith\WebstormProjects\SenchaTouch\build\
  native\TouchEx1
  [INF] merged 0 resources into C:\Users\Zenith\WebstormProjects\SenchaTouch\build
  \native\TouchEx1
  [INF]
  [INF] -after-copy-resources:
  [INF]
  [INF] -after-inherit-resources:
  [INF]
  [INF] -after-resources:
  [INF]
  [INF] sass:
  [INF]
  [INF] -before-sass:
  [INF]
  [INF] -compass-compile-theme-package:
  [INF]
  [INF] -compass-compile-theme-folders:
  [INF]
  [INF] -compass-compile-sass-dir:
  [INF] executing compass using system installed ruby runtime
  identical ../css/app.css
  [INF]
  [INF] -compass-compile:
  [INF]
  [INF] -sass:
  [INF]
  [INF] -after-sass:
  [INF]
  [INF] slice:
  [INF]
  [INF] -before-slice:
  [INF]
  [INF] -slice-images:
  [INF]
  [INF] -slice:
  [INF]
  [INF] -after-slice:
  [INF]
  [INF] page:
  [INF]
  [INF] -before-page:
  [INF]
  [INF] -init:
  [INF]
  [INF] -init-compiler:
  [INF]
  [INF] -copy-app-resources:
  [INF] Copying page resources to C:\Users\Zenith\WebstormProjects\SenchaTouch\bui
  ld\native\TouchEx1
  [INF] copying C:\Users\Zenith\WebstormProjects\SenchaTouch\resources\css\app.css
   to C:\Users\Zenith\WebstormProjects\SenchaTouch\build\native\TouchEx1\resources
  \css\app.css
  [INF]
  [INF] -generate-deltas:
  [INF]
  [INF] -detect-app-build-properties:
  [INF]
  [INF] -build-standalone-json-manifest:
  [INF] Writing content to C:\Users\Zenith\WebstormProjects\SenchaTouch/build/nati
  ve/TouchEx1/app.json
  [INF]
  [INF] -build-output-page:
  [INF]
  [INF] -build-output-microload-page:
  [INF] Writing content to C:\Users\Zenith\WebstormProjects\SenchaTouch/build/nati
  ve/TouchEx1/microloader.js
  [INF] Appending content to C:\Users\Zenith\WebstormProjects\SenchaTouch/build/na
  tive/TouchEx1/microloader.js
  [INF] Building output markup to C:\Users\Zenith\WebstormProjects\SenchaTouch/bui
  ld/native/TouchEx1/index.html
  [INF]    [delete] Deleting: C:\Users\Zenith\WebstormProjects\SenchaTouch\build\n
  ative\TouchEx1\microloader.js
  [INF]
  [INF] -generate-cache-manifest:
  [INF]
  [INF] -page:
  [INF]
  [INF] -after-page:
  [INF]
  [INF] native-package:
  [INF]
  [INF] -before-native-package:
  [INF]
  [INF] -native-package-mobile:
  [INF]      [echo] Building all specified mobile packager configs.
  [INF]      [echo]
  [INF]      [echo]     Processing Mobile Packager config file
  [INF]      [echo]         config: C:\Users\Zenith\WebstormProjects\SenchaTouch/p
  ackager.json
  [INF]      [echo]         inputPath: C:\Users\Zenith\WebstormProjects\SenchaTouc
  h/build/native/TouchEx1
  [INF]      [echo]         outputPath: C:\Users\Zenith\WebstormProjects\SenchaTou
  ch/build/native-package-mobile/TouchEx1/packager.json
  [INF]      [echo] Running mobile packager action build on file C:\Users\Zenith\W
  ebstormProjects\SenchaTouch/packager.temp.json
  [ERR]
  Error: Package name 'TouchEx1' contains invalid characters.
  A package name must be constitued of two Java identifiers.
  Each identifier allowed characters are: a-z A-Z 0-9 _
  ""C:/Users/Zenith/Desktop/adt-bundle-windows-x86_64-20130522/sdk\tools\android"
  create project --target android-8 --name TouchEx1 --activity STActivity --path "
  C:\Users\Zenith\WebstormProjects\SenchaTouch/build/native-package-mobile/TouchEx
  1/packager.json\/" --package TouchEx1"
  Can not open destination file for writing
  Failed to copy packager library
  Failed to package application
  Copy operation failed src=C:\Users\Zenith\bin\Sencha\Cmd\4.0.1.45\stbuild\st-res
  /android/\nimblekit.jar dst=C:\Users\Zenith\WebstormProjects\SenchaTouch/build/n
  ative-package-mobile/TouchEx1/packager.json\\libs\nimblekit.jar
  
  ***
  
      **[ERR]
      **[ERR] BUILD FAILED
      [ERR] com.sencha.exceptions.ExProcess: stbuild exited with non-zero code : 3
      [ERR]   at org.apache.tools.ant.Target.performTasks(Targ
      [ERR] et.java:413)
      [ERR]
      [ERR] Total time: 12 seconds
      [ERR] The following error occurred while executing this line**:
      C:\Users\Zenith\WebstormProjects\SenchaTouch\.sencha\app\build-impl.xml:422: The
       following error occurred while executing this line:**
  
  ***
  C:\Users\Zenith\WebstormProjects\SenchaTouch\.sencha\app\packager-impl.xml:112:
  The following error occurred while executing this line:
  C:\Users\Zenith\WebstormProjects\SenchaTouch\.sencha\app\packager-impl.xml:114:
  The following error occurred while executing this line:
  C:\Users\Zenith\WebstormProjects\SenchaTouch\.sencha\app\packager-impl.xml:98: T
  he following error occurred while executing this line:
  C:\Users\Zenith\WebstormProjects\SenchaTouch\.sencha\app\packager-impl.xml:7: co
  m.sencha.exceptions.ExProcess: stbuild exited with non-zero code : 3
  </code></pre>
  
  <p><strong>packager.json</strong></p>
  
  <pre><code>{
      /**
       * @cfg  applicationName
       * @required
       * This is the name of your application, which is displayed on the device when the app is installed. On IOS, this should match
       * the name of your application in the Apple Provisioning Portal.
       */
      "applicationName":"TouchEx1",
  
      /**
       * @cfg  applicationId
       * This is the name namespace for your application. On IOS, this should match the name of your application in the Apple Provisioning Portal.
       */
      "applicationId":"TouchEx1",
  
      /**
       * @cfg  bundleSeedId
       * A ten character string which stands before aplication ID in Apple Provisioning Portal
       */
      "bundleSeedId":"KPXFEPZ6EF",
  
      /**
       * @cfg  versionString
       * @required
       * This is the version of your application.
       */
      "versionString":"1.0",
  
  /**
   * @cfg  versionCode
   * @required
   * This is the integer version code of your application, or you can refer to it as a build number. Used only for Android builds.
   */
  "versionCode":"1",
  
  /**
   * @cfg  icon
   * For iOS, please refer to their documentation about icon sizes:
   * https://developer.apple.com/library/ios/#documentation/userexperience/conceptual/mobilehig/IconsImages/IconsImages.html
   *
   * For Android, please refer to the Google Launcher icons guide:
   * http://developer.android.com/guide/practices/ui_guidelines/icon_design_launcher.html
   * iOS uses 57, 72, 114 and 144; Android uses 36, 48 and 72; if you package for Android you can ignore iOS icons and vice verca
   */
  "icon": {
      "36":"resources/icons/Icon_Android36.png",
      "48":"resources/icons/Icon_Android48.png",
      "57":"resources/icons/Icon.png",
      "72":"resources/icons/Icon~ipad.png",
      "114":"resources/icons/Icon@2x.png",
      "144":"resources/icons/Icon~ipad@2x.png"
  },
  
  /**
   * @cfg  inputPath
   * @required
   * This is location of your Sencha Touch 2 application, relative to this configuration file.
   */
  "inputPath":"C:/Users/Zenith/WebstormProjects/SenchaTouch",
  
  /**
   * @cfg  outputPath
   * @required
   * This is where the built application file with be saved. Make sure that output path is not in your input path, you may get into endless recursive copying
   */
  "outputPath":"C:/Users/Zenith/Desktop/APKS",
  
  /**
   * @cfg  configuration
   * @required
   * This is configuration for your application. `Debug` should always be used unless you are submitting your app to an online
   * store - in which case `Release` should be specified.
   */
  "configuration":"Debug",
  
  /**
   * @cfg  platform
   * @required
   * This is the platform where you will be running your application. Available options are:
   *  - iOSSimulator
   *  - iOS
   *  - Android
   *  - AndroidEmulator
   */
  "platform":"Android",
  
  /**
   * @cfg  deviceType
   * @required
   * This is device type that your application will be running on.
   *
   * If you are developing for Android, this is not necessary.
   *
   * Available options are:
   *  - iPhone
   *  - iPad
   *  - Universal
   */
  "deviceType":"Universal",
  
  /**
   * @cfg  certificatePath
   * This is the location of your certificate.
   * This is required when you are developing for Android or you are developing on Windows.
   */
  "certificatePath":"C:/Users/Zenith/WebstormProjects/SenchaTouch",
  
  /**
   * @cfg  certificateAlias
   * This is the name of your certificate.
   *
   * IF you do not specify this on OSX, we will try and automatically find the certificate for you using the applicationId.
   *
   * This can be just a simple matcher. For example, if your certificate name is "iPhone Developer: Robert Dougan (ABCDEFGHIJ)", you
   * can just put "iPhone Developer".
   *
   * When using a certificatePath on Windows, you do not need to specify this.
   */
  "certificateAlias":"",
  /**
   * @cfg  certificatePassword
   * The password which was specified during certificate export
   */
  "certificatePassword":"chanti",
  /**
   * @cfg  provisionProfile
   * The path to the provision profile (APP_NAME.mobileprovision) which you can create and then download from Apple's provisioning portal
   */
  "provisionProfile":"",
  /**
   * @cfg  notificationConfiguration
   * Notification configuration for push notifications, can be "debug", "release" or empty if you don't use push notifications in your project.
   */
  "notificationConfiguration":"",
  /**
   * @cfg  sdkPath
   * This is the path to the Android SDK, if you are developing an Android application.
   */
  "sdkPath":"C:/Users/Zenith/Desktop/adt-bundle-windows-x86_64-20130522/sdk",
  
  /**
   * @cfg  androidAPILevel
   * This is android API level, the version of Android SDK to use, you can read more about it here: http://developer.android.com/guide/appendix/api-levels.html.
   * Be sure to install corresponding platform API in android SDK manager (android_sdk/tools/android)
   */
  "androidAPILevel":"8",
  
      /**
   * @cfg {Array[String]} permissions
   * Array of permissions that is used by an application (Android only) 
   * Full list of permissions for Android application can be found here: http://developer.android.com/reference/android/Manifest.permission.html#ACCESS_CHECKIN_PROPERTIES
   */
  "permissions":[
          "INTERNET",
          "ACCESS_NETWORK_STATE",
          "CAMERA",
          "VIBRATE",
          "ACCESS_FINE_LOCATION",
          "ACCESS_COARSE_LOCATION",
          "CALL_PHONE"
      ],
  
  /**
   * @cfg {Array[String]} orientations
   * @required
   * This is orientations that this application can run.
   */
  "orientations": [
      "portrait",
      "landscapeLeft",
      "landscapeRight",
  
          "portraitUpsideDown"
      ]
  }
  </code></pre>