<action android:name="string" />
<intent-filter>
<intent-filter> element must contain
one or more <action> elements. If it doesn't contain any, no
Intent objects will get through the filter. See
Intents and
Intent Filters for details on intent filters and the role of action
specifications within a filter.
android:nameIntent class as
ACTION_string constants. To assign one of these actions to
this attribute, prepend "android.intent.action." to the
string that follows ACTION_.
For example, for ACTION_MAIN, use "android.intent.action.MAIN"
and for ACTION_WEB_SEARCH, use "android.intent.action.WEB_SEARCH".
For actions you define, it's best to use the package name as a prefix to
ensure uniqueness. For example, a TRANSMOGRIFY action might be specified
as follows:
<action android:name="com.example.project.TRANSMOGRIFY" />
<intent-filter>