Xamarin安装问题-MAC

我已经安装了android sdk。已安装Xcode 5.1.1。我不知道为什么通用安装程序不工作？谢谢你抽出时间

[2014-06-05 20:34:18.190] [Info] Installation ID: dd344913-5804-4125-bfe5-a09cc1b2c0ea
[2014-06-05 20:34:18.195] [Info] Operating system: Mac OS X v10.9.3 (10.9.3; Mac OS X 10.9.3 (10.9.3 build version: 13D65)), 32-bit
[2014-06-05 20:34:18.197] [Info] Installer product: Xamarin
[2014-06-05 20:34:18.197] [Info] Installer version: 3.2.0.7 (detached from 04514fb) (04514fb54a5884a2182d80bc299383c8d747ed76 on 23/05/2014 14:03:07)
[2014-06-05 20:34:18.197] [Info] Status: in progress
[2014-06-05 20:34:20.616] [Debug] Waiting for manifests to finish downloading.
[2014-06-05 20:34:20.617] [Debug] Initial task executing (WaitingForActivation). Waiting for it to finish.
[2014-06-05 20:34:21.424] [Info] Retrieving installation manifest.
[2014-06-05 20:34:21.424] [Info] Downloading from 'http://xamarin.com/installer_assets/v3/Mac/Universal//InstallationManifest.xml'.
[2014-06-05 20:34:21.426] [Debug] Setting download timeout for 'http://xamarin.com/installer_assets/v3/Mac/Universal//InstallationManifest.xml' to 60s
[2014-06-05 20:34:21.527] [Info] Retrieving installation size manifest.
[2014-06-05 20:34:21.527] [Info] Downloading from 'http://xamarin.com/installer_assets/v3/Mac/Universal//InstallationSizes.xml'.
[2014-06-05 20:34:21.528] [Debug] Setting download timeout for 'http://xamarin.com/installer_assets/v3/Mac/Universal//InstallationSizes.xml' to 60s
[2014-06-05 20:34:21.629] [Info] Installation size manifest not found online, using the bundled copy
[2014-06-05 20:34:21.629] [Info] Installation size manifest: reading from assembly.
[2014-06-05 20:34:21.630] [Info] Determining list of software items to install.
[2014-06-05 20:34:21.731] [Debug] Processing update nodes from the manifest.
[2014-06-05 20:34:21.731] [Debug] Creating and initializing software item 'Mono Framework'
[2014-06-05 20:34:21.933] [Debug] Creating and initializing software item 'Java SDK'
[2014-06-05 20:34:21.933] [Debug] Creating and initializing software item 'Android SDK'
[2014-06-05 20:34:21.935] [Debug] Creating and initializing software item 'Xamarin Studio'
[2014-06-05 20:34:21.935] [Debug] Creating and initializing software item 'Xamarin.Android'
[2014-06-05 20:34:21.935] [Debug] Creating and initializing software item 'Xamarin.iOS'
[2014-06-05 20:34:21.935] [Debug] Detecting software item 'Mono Framework'
[2014-06-05 20:34:21.935] [Info] Checking whether Mono needs update/installation
[2014-06-05 20:34:22.036] [Info] Mono runtime found in /Library/Frameworks/Mono.framework/Versions/3.4.0
[2014-06-05 20:34:22.037] [Info] Mono version 3.4.0 was found in /Library/Frameworks/Mono.framework/Versions
[2014-06-05 20:34:22.038] [Info] Status: successful
[2014-06-05 20:34:22.039] [Info] Component 'Mono Framework' v. 3.4.0 present
[2014-06-05 20:34:22.039] [Info] Software item 'Mono Framework': up to date
[2014-06-05 20:34:22.039] [Debug] Detecting software item 'Java SDK'
[2014-06-05 20:34:22.039] [Info] Checking whether Mac JDK needs update/installation
[2014-06-05 20:34:22.039] [Info] Status: successful
[2014-06-05 20:34:22.039] [Info] Component 'Java SDK' v. 1.6.0 present
[2014-06-05 20:34:22.039] [Info] Software item 'Java SDK': up to date
[2014-06-05 20:34:22.039] [Debug] Detecting software item 'Android SDK'
[2014-06-05 20:34:22.040] [Info] Checking if Android SDK needs to be updated/installed
[2014-06-05 20:34:22.040] [Info] Fetching Android SDK manifest.
[2014-06-05 20:34:22.040] [Info] Manifest URL: http://dl.google.com/android/repository/repository-8.xml
[2014-06-05 20:34:22.040] [Info] Using default samples:
[2014-06-05 20:34:22.040] [Info] Downloading from 'http://dl.google.com/android/repository/repository-8.xml'.
[2014-06-05 20:34:22.040] [Debug] Setting download timeout for 'http://dl.google.com/android/repository/repository-8.xml' to 25s
[2014-06-05 20:34:22.141] [Info] AVD 'MonoForAndroid API 15' needs to be created.
[2014-06-05 20:34:22.141] [Info] AVD 'MonoForAndroid API 14' needs to be created.
[2014-06-05 20:34:22.141] [Info] AVD 'MonoForAndroid API 12' needs to be created.
[2014-06-05 20:34:22.141] [Info] AVD 'MonoForAndroid API 10' needs to be created.
[2014-06-05 20:34:22.142] [Info] AVD 'MonoForAndroid API 8' needs to be created.
[2014-06-05 20:34:22.142] [Info] AVD 'MonoForAndroid API 7' needs to be created.
[2014-06-05 20:34:22.142] [Info] Status: failed.
[2014-06-05 20:34:22.142] [Exception] Failed to detect component 'Android SDK'
[2014-06-05 20:34:22.142] [Exception] System.NullReferenceException: Object reference not set to an instance of an object
[2014-06-05 20:34:22.142] [Exception] at Xamarin.Web.Installer.Installer.AndroidSoftwareItem.Detect () [0x00000] in <filename unknown>:0
[2014-06-05 20:34:22.142] [Exception] at Xamarin.Web.Installer.Installer.AndroidSoftwareItem.NeedsUpdate () [0x00000] in <filename unknown>:0
[2014-06-05 20:34:22.142] [Exception] at Xamarin.Web.Installer.TasksManager.ComponentDetector (ISoftwareItem si) [0x00000] in <filename unknown>:0
[2014-06-05 20:34:22.142] [Error] No selected SDK, cannot enqueue downloads
[2014-06-05 20:34:22.142] [Debug] Detecting software item 'Xamarin Studio'
[2014-06-05 20:34:22.142] [Info] Checking whether Xamarin Studio needs installation/updating
[2014-06-05 20:34:22.142] [Info] Xamarin Studio installation check: app directory does not exist.
[2014-06-05 20:34:22.142] [Info] Xamarin Studio not detected.
[2014-06-05 20:34:22.143] [Info] Xamarin Studio 5.0.0 needs to be installed.
[2014-06-05 20:34:22.143] [Info] Status: successful
[2014-06-05 20:34:22.143] [Info] Software item 'Xamarin Studio': not up to date
[2014-06-05 20:34:22.143] [Info] Component 'Xamarin Studio' v. 5.0.0 absent
[2014-06-05 20:34:22.244] [Debug] Detecting software item 'Xamarin.Android'
[2014-06-05 20:34:22.245] [Info] Checking whether Xamarin.Android SDK needs installation/updating
[2014-06-05 20:34:22.246] [Info] Xamarin.Android build files not found.
[2014-06-05 20:34:22.246] [Info] Base Xamarin.Android directory not found.
[2014-06-05 20:34:22.247] [Info] Xamarin.Android SDK 4.12.4 requires installation.
[2014-06-05 20:34:22.247] [Info] Status: successful
[2014-06-05 20:34:22.247] [Info] Software item 'Xamarin.Android': not up to date
[2014-06-05 20:34:22.247] [Info] Component 'Xamarin.Android' v. 4.12.4 absent
[2014-06-05 20:34:22.247] [Debug] Detecting software item 'Xamarin.iOS'
[2014-06-05 20:34:22.247] [Info] Checking whether Xamarin.iOS needs update/installation
[2014-06-05 20:34:22.248] [Info] MonoTouch base directory not found.
[2014-06-05 20:34:22.248] [Info] Xamarin.iOS 7.2.3.39 needs to be installed.
[2014-06-05 20:34:22.248] [Info] Status: successful
[2014-06-05 20:34:22.248] [Info] Software item 'Xamarin.iOS': not up to date
[2014-06-05 20:34:22.248] [Info] Component 'Xamarin.iOS' v. 7.2.3 absent
[2014-06-05 20:34:22.248] [Info] Detection complete
[2014-06-05 20:34:22.248] [Info] Initial task completed successfully
[2014-06-05 20:34:22.249] [Debug] Detection complete on the introduction page, determining the next step.

[2014-06-05 20:34:18.190][Info]安装ID:dd344913-5804-4125-bfe5-a09cc1b2c0ea
[2014-06-05 20:34:18.195][Info]操作系统：Mac OS X v10.9.3（10.9.3；Mac OS X 10.9.3（10.9.3构建版本：13D65）），32位
[2014-06-05 20:34:18.197][Info]安装程序产品：Xamarin
[2014-06-05 20:34:18.197][Info]安装程序版本：3.2.0.7（与04514fb分离）（04514FB54A5884A2182D80BC2993888D747ED76于2014年5月23日14:03:07）
[2014-06-05 20:34:18.197][Info]状态：进行中
[2014-06-05 20:34:20.616][Debug]正在等待清单完成下载。
[2014-06-05 20:34:20.617][Debug]初始任务正在执行（等待激活）。等待它完成。
[2014-06-05 20:34:21.424][Info]正在检索安装清单。
[2014-06-05 20:34:21.424][Info]下载自'http://xamarin.com/installer_assets/v3/Mac/Universal//InstallationManifest.xml'.
[2014-06-05 20:34:21.426][Debug]设置'http://xamarin.com/installer_assets/v3/Mac/Universal//InstallationManifest.xml到60岁
[2014-06-05 20:34:21.527][Info]正在检索安装大小清单。
[2014-06-05 20:34:21.527][Info]下载自'http://xamarin.com/installer_assets/v3/Mac/Universal//InstallationSizes.xml'.
[2014-06-05 20:34:21.528][Debug]设置'http://xamarin.com/installer_assets/v3/Mac/Universal//InstallationSizes.xml到60岁
[2014-06-05 20:34:21.629][Info]使用捆绑副本在网上找不到安装大小清单
[2014-06-05 20:34:21.629][Info]安装尺寸清单：从组件读取。
[2014-06-05 20:34:21.630][Info]正在确定要安装的软件项列表。
[2014-06-05 20:34:21.731][Debug]正在处理清单中的更新节点。
[2014-06-05 20:34:21.731][Debug]创建和初始化软件项“Mono Framework”
[2014-06-05 20:34:21.933][Debug]创建和初始化软件项“Java SDK”
[2014-06-05 20:34:21.933][Debug]正在创建和初始化软件项“Android SDK”
[2014-06-05 20:34:21.935][Debug]正在创建和初始化软件项“Xamarin Studio”
[2014-06-05 20:34:21.935][Debug]创建和初始化软件项“Xamarin.Android”
[2014-06-05 20:34:21.935][Debug]正在创建和初始化软件项“Xamarin.iOS”
[2014-06-05 20:34:21.935][Debug]检测软件项“Mono Framework”
[2014-06-05 20:34:21.935][Info]正在检查Mono是否需要更新/安装
[2014-06-05 20:34:22.036][Info]Mono运行时可在/Library/Frameworks/Mono.framework/Versions/3.4.0中找到
[2014-06-05 20:34:22.037][Info]Mono版本3.4.0在/Library/Frameworks/Mono.framework/Versions中找到
[2014-06-05 20:34:22.038][Info]状态：成功
[2014-06-05 20:34:22.039][Info]组件“Mono框架”v。3.4.0目前
[2014-06-05 20:34:22.039][Info]软件项“Mono框架”：最新
[2014-06-05 20:34:22.039][Debug]检测软件项“Java SDK”
[2014-06-05 20:34:22.039][Info]检查Mac JDK是否需要更新/安装
[2014-06-05 20:34:22.039][Info]状态：成功
[2014-06-05 20:34:22.039][Info]组件“Java SDK”v。1.6.0目前
[2014-06-05 20:34:22.039][Info]软件项“Java SDK”：最新
[2014-06-05 20:34:22.039][Debug]检测软件项“Android SDK”
[2014-06-05 20:34:22.040][Info]检查是否需要更新/安装Android SDK
[2014-06-05 20:34:22.040][Info]正在获取Android SDK清单。
[2014-06-05 20:34:22.040][Info]清单URL:http://dl.google.com/android/repository/repository-8.xml
[2014-06-05 20:34:22.040][Info]使用默认样本：
[2014-06-05 20:34:22.040][Info]下载自'http://dl.google.com/android/repository/repository-8.xml'.
[2014-06-05 20:34:22.040][Debug]设置'http://dl.google.com/android/repository/repository-8.xml“到25秒
[2014-06-05 20:34:22.141][Info]需要创建AVD“MonoForAndroid API 15”。
[2014-06-05 20:34:22.141][Info]需要创建AVD“MonoForAndroid API 14”。
[2014-06-05 20:34:22.141][Info]需要创建AVD“MonoForAndroid API 12”。
[2014-06-05 20:34:22.141][Info]需要创建AVD“MonoForAndroid API 10”。
[2014-06-05 20:34:22.142][Info]需要创建AVD“MonoForAndroid API 8”。
[2014-06-05 20:34:22.142][Info]需要创建AVD“MonoForAndroid API 7”。
[2014-06-05 20:34:22.142][Info]状态：失败。
[2014-06-05 20:34:22.142][Exception]未能检测到组件“Android SDK”
[2014-06-05 20:34:22.142][Exception]System.NullReferenceException:对象引用未设置为对象的实例
[2014-06-05 20:34:22.142][Exception]位于Xamarin.Web.Installer.Installer.AndroidSoftwareItem.Detect（）[0x00000]中：0
[2014-06-05 20:34:22.142][Exception]位于Xamarin.Web.Installer.Installer.AndroidSoftwareItem.NeedsUpdate（）[0x00000]中的：0
[2014-06-05 20:34:22.142][Exception]位于Xamarin.Web.Installer.TasksManager.ComponentDetector（ISoftwareItem si）[0x00000]的位置：0
[2014-06-05 20:34:22.142][错误]没有选定的SDK，无法排队下载
[2014-06-05 20:34:22.142][Debug]检测软件项“Xamarin Studio”
[2014-06-05 20:34:22.142][Info]正在检查Xamarin Studio是否需要安装/更新
[2014-06-05 20:34:22.142][Info]Xamarin Studio安装检查：应用程序目录不存在。
[2014-06-05 20:34:22.142][Info]未检测到Xamarin Studio。
[2014-06-05 20:34:22.143][Info]需要安装Xamarin Studio 5.0.0。
[2014-06-05 20:34:22.143][信息]状态：成功
[2014-06-05 20:34:22.143][Info]软件项“Xamarin Studio”：不是最新的
[2014-06-05 20:34:22.143][信息]组件“Xamarin Studio”v。5.0.0缺席
[2014-06-05 20:34:22.244][Debug]检测软件项“Xamarin.Android”
[2014-06-05 20:34:22.245][Info]正在检查Xamarin.Android SDK是否需要安装/更新
[2014-06-05 20:34:22.246][Info]Xamarin.Android
[2014-06-05 20:34:22.142] [Exception] Failed to detect component 'Android SDK'
[2014-06-05 20:34:22.142] [Exception] System.NullReferenceException: Object reference not set to an instance of an object
[2014-06-05 20:34:22.142] [Exception] at Xamarin.Web.Installer.Installer.AndroidSoftwareItem.Detect () [0x00000] in <filename unknown>:0
[2014-06-05 20:34:22.142] [Exception] at Xamarin.Web.Installer.Installer.AndroidSoftwareItem.NeedsUpdate ()   [0x00000] in <filename unknown>:0
[2014-06-05 20:34:22.142] [Exception] at Xamarin.Web.Installer.TasksManager.ComponentDetector (ISoftwareItem si) [0x00000] in <filename unknown>:0