<category android:name="string" />
- contained in:
- Adds a category name to an intent filter. See Intents and Intent Filters for details on intent filters and the role of category specifications within a filter.
- The name of the category. Standard categories are defined in the
CATEGORY_nameconstants. The name assigned here can be derived from those constants by prefixing "
android.intent.category." to the
CATEGORY_. For example, the string value for
Note: In order to receive implicit intents, you must include the
CATEGORY_DEFAULTcategory in the intent filter. The methods
startActivityForResult()treat all intents as if they declared the
CATEGORY_DEFAULTcategory. If you do not declare it in your intent filter, no implicit intents will resolve to your activity.
Custom categories should use the package name as a prefix, to ensure that they are unique.
- introduced in:
- API Level 1
- see also:
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Last updated 2019-12-27.