diff options
| -rw-r--r-- | core/java/android/nfc/NfcAdapter.java | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/core/java/android/nfc/NfcAdapter.java b/core/java/android/nfc/NfcAdapter.java index a980158a2e5e..7378ac7638de 100644 --- a/core/java/android/nfc/NfcAdapter.java +++ b/core/java/android/nfc/NfcAdapter.java @@ -2510,8 +2510,18 @@ public final class NfcAdapter { * * <p>This returns a mapping of package names for this user id to whether we dispatch Tag * intents to the package. {@link #ACTION_NDEF_DISCOVERED}, {@link #ACTION_TECH_DISCOVERED} or - * {@link #ACTION_TAG_DISCOVERED} will not be dispatched to an Activity if its package is - * disallowed. + * {@link #ACTION_TAG_DISCOVERED} will not be dispatched to an Activity if its package is + * mapped to {@code false}. + * <p>There are three different possible cases: + * <p>A package not being in the preference list. + * It does not contain any Tag intent filters or the user never triggers a Tag detection that + * matches the intent filter of the package. + * <p>A package being mapped to {@code true}. + * When a package has been launched by a tag detection for the first time, the package name is + * put to the map and by default mapped to {@code true}. The package will receive Tag intents as + * usual. + * <p>A package being mapped to {@code false}. + * The user chooses to disable this package and it will not receive any Tag intents anymore. * * @param userId the user to whom this preference list will belong to * @return a map of the UserId which indicates the mapping from package name to |