我是 ionic 框架的新手，当我在我的 android 手机上调试我的应用程序时，我无法获取检查元素，所以我尝试使用以下步骤安装人行横道
npm install -g ionic
ionic platform add android
ionic browser add crosswalk
我已按照步骤操作，甚至尝试卸载应用程序并恢复人行横道，但错误仍然存在。这是我面临的错误。
* What went wrong:
Execution failed for task ':processArmv7DebugManifest'.
> Manifest merger failed with multiple errors, see logs
* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug
option to get more log output.
BUILD FAILED
Total time: 41.063 secs
G:\GTM\Ionic\ionic programs\recipes\platforms\android\cordova\node_modules\q\q.j
s:126
throw e;
^
Error code 1 for command: cmd with args: /s /c ""G:\GTM\Ionic\ionic programs\rec
ipes\platforms\android\gradlew" cdvBuildDebug -b "G:\GTM\Ionic\ionic programs\re
cipes\platforms\android\build.gradle" -PcdvBuildArch=arm -Dorg.gradle.daemon=tru
e"
ERROR running one or more of the platforms: Error: cmd: Command failed with exit
code 1
You may not have the required environment or OS to run this project
谁能帮我解决这个错误。提前致谢。