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-rw-r--r--core/java/android/nfc/tech/BasicTagTechnology.java11
-rw-r--r--core/java/android/nfc/tech/Ndef.java64
-rw-r--r--core/java/android/nfc/tech/NdefFormatable.java32
-rw-r--r--core/java/android/nfc/tech/TagTechnology.java12
4 files changed, 92 insertions, 27 deletions
diff --git a/core/java/android/nfc/tech/BasicTagTechnology.java b/core/java/android/nfc/tech/BasicTagTechnology.java
index 32a850d..7ec807a 100644
--- a/core/java/android/nfc/tech/BasicTagTechnology.java
+++ b/core/java/android/nfc/tech/BasicTagTechnology.java
@@ -53,15 +53,7 @@ import java.io.IOException;
}
}
- /**
- * Helper to indicate if {@link #connect} has succeeded.
- * <p>
- * Does not cause RF activity, and does not block.
- * @return true if {@link #connect} has completed successfully and the {@link Tag} is believed
- * to be within range. Applications must still handle {@link java.io.IOException}
- * while using methods that require a connection in case the connection is lost after this
- * method returns.
- */
+ @Override
public boolean isConnected() {
if (!mIsConnected) {
return false;
@@ -94,6 +86,7 @@ import java.io.IOException;
}
}
+ /** @hide */
@Override
public void reconnect() throws IOException {
if (!mIsConnected) {
diff --git a/core/java/android/nfc/tech/Ndef.java b/core/java/android/nfc/tech/Ndef.java
index c6804f9..39ff282 100644
--- a/core/java/android/nfc/tech/Ndef.java
+++ b/core/java/android/nfc/tech/Ndef.java
@@ -61,12 +61,31 @@ public final class Ndef extends BasicTagTechnology {
/** @hide */
public static final String EXTRA_NDEF_TYPE = "ndeftype";
- public static final int OTHER = -1;
- public static final int NFC_FORUM_TYPE_1 = 1;
- public static final int NFC_FORUM_TYPE_2 = 2;
- public static final int NFC_FORUM_TYPE_3 = 3;
- public static final int NFC_FORUM_TYPE_4 = 4;
- public static final int MIFARE_CLASSIC = 101;
+ /** @hide */
+ public static final int TYPE_OTHER = -1;
+ /** @hide */
+ public static final int TYPE_1 = 1;
+ /** @hide */
+ public static final int TYPE_2 = 2;
+ /** @hide */
+ public static final int TYPE_3 = 3;
+ /** @hide */
+ public static final int TYPE_4 = 4;
+ /** @hide */
+ public static final int TYPE_MIFARE_CLASSIC = 101;
+
+ /** @hide */
+ public static final String UNKNOWN = "android.ndef.unknown";
+
+ public static final String NFC_FORUM_TYPE_1 = "org.nfcforum.ndef.type1";
+
+ public static final String NFC_FORUM_TYPE_2 = "org.nfcforum.ndef.type2";
+
+ public static final String NFC_FORUM_TYPE_3 = "org.nfcforum.ndef.type3";
+
+ public static final String NFC_FORUM_TYPE_4 = "org.nfcforum.ndef.type4";
+
+ public static final String MIFARE_CLASSIC = "com.nxp.ndef.mifareclassic";
private final int mMaxNdefSize;
private final int mCardState;
@@ -118,18 +137,27 @@ public final class Ndef extends BasicTagTechnology {
* Get NDEF tag type.
* <p>Returns one of {@link #NFC_FORUM_TYPE_1}, {@link #NFC_FORUM_TYPE_2},
* {@link #NFC_FORUM_TYPE_3}, {@link #NFC_FORUM_TYPE_4},
- * {@link #MIFARE_CLASSIC} or {@link #OTHER}.
- * <p>Platforms of this API revision will always return one of the above
- * values. Platforms at future API revisions may return other values, which
- * can be treated as {@link #OTHER} by applications targeting this API.
+ * {@link #MIFARE_CLASSIC} or another NDEF tag type that is not yet in the
+ * Android API.
* <p>Android devices with NFC support must always correctly enumerate
* NFC Forum tag types, and may optionally enumerate
* {@link #MIFARE_CLASSIC} since it requires proprietary technology.
- * Devices that cannot enumerate {@link #MIFARE_CLASSIC} will use
- * {@link #OTHER} instead.
*/
- public int getType() {
- return mNdefType;
+ public String getType() {
+ switch (mNdefType) {
+ case TYPE_1:
+ return NFC_FORUM_TYPE_1;
+ case TYPE_2:
+ return NFC_FORUM_TYPE_2;
+ case TYPE_3:
+ return NFC_FORUM_TYPE_3;
+ case TYPE_4:
+ return NFC_FORUM_TYPE_4;
+ case TYPE_MIFARE_CLASSIC:
+ return MIFARE_CLASSIC;
+ default:
+ return UNKNOWN;
+ }
}
/**
@@ -217,10 +245,10 @@ public final class Ndef extends BasicTagTechnology {
/**
* Indicates whether a tag can be made read-only with
- * {@link #makeReadonly()}
+ * {@link #makeReadOnly()}
*/
- public boolean canMakeReadonly() {
- if (mNdefType == NFC_FORUM_TYPE_1 || mNdefType == NFC_FORUM_TYPE_2) {
+ public boolean canMakeReadOnly() {
+ if (mNdefType == TYPE_1 || mNdefType == TYPE_2) {
return true;
} else {
return false;
@@ -234,7 +262,7 @@ public final class Ndef extends BasicTagTechnology {
* This is a one-way process and can not be reverted!
* @throws IOException
*/
- public boolean makeReadonly() throws IOException {
+ public boolean makeReadOnly() throws IOException {
checkConnected();
try {
diff --git a/core/java/android/nfc/tech/NdefFormatable.java b/core/java/android/nfc/tech/NdefFormatable.java
index 2919c43..e2828b5 100644
--- a/core/java/android/nfc/tech/NdefFormatable.java
+++ b/core/java/android/nfc/tech/NdefFormatable.java
@@ -65,8 +65,25 @@ public final class NdefFormatable extends BasicTagTechnology {
/**
* Formats a tag as NDEF, if possible. You may supply a first
* NdefMessage to be written on the tag.
+ * <p>Either all steps succeed, or an IOException is thrown if any one step
+ * fails.
*/
public void format(NdefMessage firstMessage) throws IOException, FormatException {
+ format(firstMessage, false);
+ }
+
+ /**
+ * Formats a tag as NDEF, if possible. You may supply a first
+ * NdefMessage to be written on the tag.
+ * <p>Either all steps succeed, or an IOException is thrown if any one step
+ * fails.
+ */
+ public void formatReadOnly(NdefMessage firstMessage) throws IOException, FormatException {
+ format(firstMessage, true);
+ }
+
+ /*package*/ void format(NdefMessage firstMessage, boolean makeReadOnly) throws IOException,
+ FormatException {
checkConnected();
try {
@@ -101,6 +118,21 @@ public final class NdefFormatable extends BasicTagTechnology {
} else {
throw new IOException();
}
+ // optionally make read-only
+ if (makeReadOnly) {
+ errorCode = tagService.ndefMakeReadOnly(serviceHandle);
+ switch (errorCode) {
+ case ErrorCodes.SUCCESS:
+ break;
+ case ErrorCodes.ERROR_IO:
+ throw new IOException();
+ case ErrorCodes.ERROR_INVALID_PARAM:
+ throw new IOException();
+ default:
+ // Should not happen
+ throw new IOException();
+ }
+ }
} catch (RemoteException e) {
Log.e(TAG, "NFC service dead", e);
}
diff --git a/core/java/android/nfc/tech/TagTechnology.java b/core/java/android/nfc/tech/TagTechnology.java
index c8ccdcf..50df865 100644
--- a/core/java/android/nfc/tech/TagTechnology.java
+++ b/core/java/android/nfc/tech/TagTechnology.java
@@ -121,6 +121,7 @@ public interface TagTechnology extends Closeable {
* @see #connect()
* @see #close()
* @throws IOException
+ * @hide
*/
public void reconnect() throws IOException;
@@ -137,4 +138,15 @@ public interface TagTechnology extends Closeable {
* @see #reconnect()
*/
public void close() throws IOException;
+
+ /**
+ * Helper to indicate if {@link #connect} has succeeded.
+ * <p>
+ * Does not cause RF activity, and does not block.
+ * @return true if {@link #connect} has completed successfully and the {@link Tag} is believed
+ * to be within range. Applications must still handle {@link java.io.IOException}
+ * while using methods that require a connection in case the connection is lost after this
+ * method returns.
+ */
+ public boolean isConnected();
}
generated by cgit v1.1 at 2025-07-03 16:50:19 +0000