(Calling ANDROID system services, the use of various ACTIONS, is essential for development! Constant ValuesStringADD_ SHORTCUT_ ACTION action: add a shortcut to the system android.intent.action.ADD_ SHORTCUTStringALL_ APPS_ ACTION action: list all available uses. Input: None. android.intent.action. ALL_ APPSStringALTERNATIVE_ CATEGORY Category: indicates that activity is an optional operation for the data that the user is browsing. Android. content. category. ALTERNATIVE..... The public method PublicConstructorIntentaddCategory (Stringcategory) adds a new category to content. IntentaddLaunchFlags (intflags) adds new startup symbols to intent. Boolean filter Equals (Intentother) determines whether two intents are equal: check whether they have the same purpose (about filtering).
Android System Service Library.doc)
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