anchor.diff:  rem type local.properties
   
   echo tool=%tool%
  +echo sdk=%sdk%
   
   IF %sdk% == null (
       ECHO ûҵSDKűֹ
  
positive.code: SET sdk=%sdk:\:=:%
  set sdk=%sdk%\build-tools\28.0.3\dx.bat
  
  echo skd=%sdk%
  
  rem %sdk%
  rem ./gradlew assemble
  
negative.code: @ECHO OFF
  
  SET sdk=null
  SET tool=null
  
  FOR /F %%i IN ('findstr /i "sdk.dir" local.properties') DO SET sdk=%%i
  FOR /F %%i IN ('findstr /i "buildToolsVersion" %~dp0app\build.gradle') DO SET tool=%%i
  
  findstr /i "sdk.dir" local.properties
  