Android .2.2不支持1.8以下的java和appengine不支持java 1.8

Question

Android 2.2 not supporting java below 1.8 and appengine not supporting java 1.8. Then how can work with both together

Answer 1

adding

dependencies {
   sourceCompatibility = 1.7
   targetCompatibility = 1.7
}

in build.gradle help it to run with java 1.7 make it work