How to Inject OSGi custom services in Custom Portlets in Liferay 7

1) Create a service builder portlet by using servicebuilder plugin.

2) Generate the OSGI service.

3) Goto xxx-service portlet under build.gradle file 

The below dependencies are generated.

dependencies {

        compileOnly group: "biz.aQute.bnd", name: "biz.aQute.bndlib", version: "3.1.0"

compileOnly group: "com.liferay", name: "com.liferay.osgi.util", version: "3.0.0"

compileOnly group: "com.liferay", name: "com.liferay.portal.spring.extender", version: "2.0.0"

compileOnly group: "com.liferay.portal", name: "com.liferay.portal.kernel", version: "2.6.0"

compileOnly project(":modules:EmployeeApp:EmployeeApp-api")

}

4)  Create a sample Portlet

5) Use the custom services in sample portlet

         Add the below dependencie in sample portlet build.gradle file

        compileOnly project(":modules:EmployeeApp:EmployeeApp-api")

6) Refresh the gradle project