【发布时间】：2015-04-03 16:59:07
【问题描述】：
我正在尝试使用 inonic build android 构建 Android 应用，但出现以下错误：
running cordova build android
Running command: "c:\Program Files\nodejs\node.exe" c:\xampp\htdocs\discipulado\
discipulado\hooks\after_prepare\010_add_platform_class.js c:/xampp/htdocs/discip
ulado/discipulado
add to body class: platform-android
Running command: c:\xampp\htdocs\discipulado\discipulado\platforms\android\cordo
va\build.bat
[Error: Please install Android target: "android-21".
Hint: Open the SDK manager by running: C:\Users\Thiago\AppData\Local\Android\sdk
\tools\android.BAT
You will require:
1. "SDK Platform" for android-21
2. "Android SDK Platform-tools (latest)
3. "Android SDK Build-tools" (latest)]
ERROR building one of the platforms: Error: c:\xampp\htdocs\discipulado\discipul
ado\platforms\android\cordova\build.bat: Command failed with exit code 2
You may not have the required environment or OS to build this project
Error: c:\xampp\htdocs\discipulado\discipulado\platforms\android\cordova\build.b
at: Command failed with exit code 2
at ChildProcess.whenDone (c:\Users\Thiago\AppData\Roaming\npm\node_modules\c
ordova\node_modules\cordova-lib\src\cordova\superspawn.js:131:23)
at ChildProcess.emit (events.js:110:17)
at maybeClose (child_process.js:1015:16)
at Process.ChildProcess._handle.onexit (child_process.js:1087:5)
我已经安装了 Apache Ant，但错误仍然存在。我使用ionic platform remove android 删除了Android 平台并添加了ionic platform add android，但没有成功。
有什么想法吗？
更新 我已经安装了 Android Studio 和 Android SDK 工具。
【问题讨论】：