Even though JRE 8 is installed on my MAC -” No Java Runtime present,requesting to install ” gets displayed in terminal

Even though JRE 8 is installed on my MAC OS Yosemite 10.10.3,while running the Android present in tools in sdk – the error – ” No Java Runtime present,requesting to install ” gets displayed in terminal- how do i solve this issue?

1. I wanted to install Xamarin test recorder – after installing they
   asked me to install Android sdk

2. SDK is downloaded in Library/Developer/Xamarin/android-sdk

3. Now when I run Android present in tools folder – I get the error –
   No Java run time

4. I’ve installed JRE 8 with get the verified
   java version from their site

Can someone please help!!