ionic not finding android -

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i have tried use ionic lab. tried build simple blank app using lab when go build android app says need have android sdk. have android sdk , platform tools already. added path in case wondering. graciously sent here ask after trying research issue looking @ "ionic android build error - failed find android_home".(which when checked environment path). took screen shot of both(environment , error ionic lab console). error , environment

for windows:-- set android_home=c:\<installation location>\android-sdk-windows set path=%path%;%android_home%\tools;%android_home%\platform-tools android sdk download not include specific android platforms.   run code in guide, need download , install latest sdk platform. using android sdk , avd manager installed in previous section.  open android sdk manager window:  android note: if command not open android sdk manager,   path not configured correctly. select tools checkbox. select checkbox latest android sdk. extras folder, select checkbox android support library. click install packages... button complete download , installation.  note: may want install available updates, aware take longer, each api level large download.

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