/**
* Checks to see if the activity's intent ({@link android.app.Activity#getIntent()}) is an NFC
* intent that the app recognizes. If it is, then parse the NFC message and set the activity's
* intent (using {@link android.app.Activity#setIntent(android.content.Intent)}) to something the
* app can recognize (i.e. a normal {@link android.content.Intent#ACTION_VIEW} intent).
*/
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public static void tryUpdateIntentFromBeam(Activity activity) {
if (UIUtils.hasICS()) {
Intent originalIntent = activity.getIntent();
if (NfcAdapter.ACTION_NDEF_DISCOVERED.equals(originalIntent.getAction())) {
Parcelable[] rawMsgs =
originalIntent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
NdefMessage msg = (NdefMessage) rawMsgs[0];
// Record 0 contains the MIME type, record 1 is the AAR, if present.
// In iosched, AARs are not present.
NdefRecord mimeRecord = msg.getRecords()[0];
if (ScheduleContract.Sessions.CONTENT_ITEM_TYPE.equals(new String(mimeRecord.getType()))) {
// Re-set the activity's intent to one that represents session details.
Intent sessionDetailIntent =
new Intent(Intent.ACTION_VIEW, Uri.parse(new String(mimeRecord.getPayload())));
activity.setIntent(sessionDetailIntent);
}
}
}
}
/** Sets this activity's Android Beam message to one representing the given session. */
@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public static void setBeamSessionUri(Activity activity, Uri sessionUri) {
if (UIUtils.hasICS()) {
NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(activity);
if (nfcAdapter == null) {
// No NFC :-(
return;
}
nfcAdapter.setNdefPushMessage(
new NdefMessage(
new NdefRecord[] {
new NdefRecord(
NdefRecord.TNF_MIME_MEDIA,
ScheduleContract.Sessions.CONTENT_ITEM_TYPE.getBytes(),
new byte[0],
sessionUri.toString().getBytes())
}),
activity);
}
}