tns doctor 시
what went wring
a problem occurred configuraing root project 'nativescript-telephony'
Failed to install the following sdk components;
build-tools; 28.0.3 Android SDK Build-Tools 28.0.3
platforms;android-28 Android SDK platform 28
Install the missing compoennts using the SDK manager in Android Studio
support for node.js 12.8.0 is not verified.
NativeScript CLI might not install or run properly
tns run android 에러
The ANDROID_HOME environment variable is not set or it points to a non-existent directoryt.
You will not be able to perform any build-related operations for Android
adb from the Android SDK is not installed or is not configured properly
Cannot find a compatible Android SDK for compilation.
To be able to build for Android, install Android SDK 28 or later
Run '$ sdkmanger' to manage your Android SDK versions.
You need to have the Android SDK build-tools installed on your system.
You can install any version in the following range: '>=23 <=28'
C:\ProgramData\Oracle\Java\javapath;
C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;
C:\Windows\System32\WindowsPowerShell\v1.0\;
C:\Program Files\Git\cmd;%ANDROID_HOME%\platform-tools