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Commit 2e20e677 authored by Brad Lassey's avatar Brad Lassey
Browse files

Document that only the currently preferred service can enable and disable observe mode 

Bug: 335877167
Test: Only a javadoc change
Change-Id: I7353e9f960ae571c9e540b0b28e1d268a3f2bd16
parent e726406a

nfc/java/android/nfc/NfcAdapter.java

+5 −1
Original line number Diff line number Diff line
@@ -1250,7 +1250,11 @@ public final class NfcAdapter { 
    /**

     * Controls whether the NFC adapter will allow transactions to proceed or be in observe mode

     * and simply observe and notify the APDU service of polling loop frames. See

     * {@link #isObserveModeSupported()} for a description of observe mode.

     * {@link #isObserveModeSupported()} for a description of observe mode. Only the package of the

     * currently preferred service (the service set as preferred by the current foreground

     * application via {@link CardEmulation#setPreferredService(Activity, ComponentName)} or the

     * current Default Wallet Role Holder {@link android.app.role.RoleManager#ROLE_WALLET}),

     * otherwise a call to this method will fail and return false.

     *

     * @param enabled false disables observe mode to allow the transaction to proceed while true

     *                enables observe mode and does not allow transactions to proceed.