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https://github.com/MatomoCamp/matomocamp-companion-android.git
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Improve NfcUtils to provide methods to convert data from and to NdefRecord
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parent
5f3b8f945d
commit
75512c1364
4 changed files with 14 additions and 10 deletions
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@ -59,7 +59,7 @@ public class EventDetailsActivity extends AppCompatActivity implements Observer<
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String eventIdString;
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if (NfcUtils.hasAppData(intent)) {
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// NFC intent
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eventIdString = new String(NfcUtils.extractAppData(intent));
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eventIdString = NfcUtils.toEventIdString((NfcUtils.extractAppData(intent)));
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} else {
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// Normal in-app intent
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eventIdString = intent.getDataString();
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@ -128,6 +128,6 @@ public class EventDetailsActivity extends AppCompatActivity implements Observer<
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@Override
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public NdefRecord createNfcAppData() {
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return NfcUtils.createSingleEventAppData(this, event);
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return NfcUtils.createEventAppData(this, event);
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}
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}
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@ -152,6 +152,6 @@ public class TrackScheduleActivity extends AppCompatActivity
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if (lastSelectedEvent == null) {
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return null;
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}
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return NfcUtils.createSingleEventAppData(this, lastSelectedEvent);
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return NfcUtils.createEventAppData(this, lastSelectedEvent);
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}
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}
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@ -96,7 +96,7 @@ public class TrackScheduleEventActivity extends AppCompatActivity implements Obs
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if (event == null) {
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return null;
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}
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return NfcUtils.createSingleEventAppData(this, event);
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return NfcUtils.createEventAppData(this, event);
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}
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@Override
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@ -59,12 +59,16 @@ public class NfcUtils {
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return true;
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}
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public static NdefRecord createSingleEventAppData(@NonNull Context context, @NonNull Event event) {
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public static NdefRecord createEventAppData(@NonNull Context context, @NonNull Event event) {
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String mimeType = "application/" + context.getPackageName();
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byte[] mimeData = String.valueOf(event.getId()).getBytes();
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return NdefRecord.createMime(mimeType, mimeData);
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}
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public static String toEventIdString(@NonNull NdefRecord record) {
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return new String(record.getPayload());
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}
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/**
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* Determines if the intent contains NFC NDEF application-specific data to be extracted.
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*/
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@ -73,14 +77,14 @@ public class NfcUtils {
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}
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/**
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* Extracts application-specific data sent through NFC from an intent. You must first ensure that the intent contains NFC data by calling hasAppData().
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* Extracts application-specific data sent through NFC from an intent.
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* You must first ensure that the intent contains NFC data by calling hasAppData().
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*
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* @param intent
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* @return The extracted data
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* @return The extracted app data as an NdefRecord
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*/
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public static byte[] extractAppData(Intent intent) {
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public static NdefRecord extractAppData(Intent intent) {
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Parcelable[] rawMsgs = intent.getParcelableArrayExtra(NfcAdapter.EXTRA_NDEF_MESSAGES);
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NdefMessage msg = (NdefMessage) rawMsgs[0];
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return msg.getRecords()[0].getPayload();
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return msg.getRecords()[0];
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}
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}
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