sPFFramework/src/main/java/it/polimi/spf/framework/search/SPFSearchManager.java
public String startSearch(String appIdentifier, SPFSearchDescriptor searchDescriptor, SPFSearchCallback callback) {
		QueryInfo queryInfo = mSearchScheduler.registerSearch(appIdentifier, searchDescriptor,callback);
		mSearchScheduler.startSearch(queryInfo);
		return queryInfo.getQueryId();
	}
public String startSearch(String appIdentifier, SPFSearchDescriptor searchDescriptor, SPFSearchCallback callback) {
		QueryInfo queryInfo = mSearchScheduler.registerSearch(appIdentifier, searchDescriptor,callback);
		mSearchScheduler.startSearch(queryInfo);
		return queryInfo.getQueryId();
	}
Start a new search.

@param appIdentifier
- the package name of the caller app
@param searchDescriptor
- a descriptor specifying query and settings
@return the identifier of the query