65.6 Declaring a Service in the Manifest File
In order for a service to be usable, it must first be declared within a manifest file. This involves embedding an appropriately configured <service> element into an existing <application> entry. At a minimum, the <service> element must contain a property declaring the class name of the service as illustrated in the following XML fragment:
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<application
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name" >
<activity
android:label="@string/app_name"
android:name=".MainActivity" >
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