Implement IsoDep timeout handling (API). (a701cf85) · Commits · e / os / android_frameworks_base

api/current.xml

+13 −0

Original line number	Diff line number	Diff line
		@@ -101199,6 +101199,19 @@
		<exception name="IOException" type="java.io.IOException">
		</exception>
		</method>
		<method name="setTimeout"
		return="void"
		abstract="false"
		native="false"
		synchronized="false"
		static="false"
		final="false"
		deprecated="not deprecated"
		visibility="public"
		>
		<parameter name="timeout" type="int">
		</parameter>
		</method>
		</class>
		<class name="MifareClassic"
		extends="android.nfc.technology.BasicTagTechnology"

+3 −0

Original line number	Diff line number	Diff line
		@@ -39,4 +39,7 @@ interface INfcTag
		int ndefMakeReadOnly(int nativeHandle);
		boolean ndefIsWritable(int nativeHandle);
		int formatNdef(int nativeHandle, in byte[] key);

		void setIsoDepTimeout(int timeout);
		void resetIsoDepTimeout();
		}

+30 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import android.nfc.NfcAdapter;
		import android.nfc.Tag;
		import android.os.Bundle;
		import android.os.RemoteException;
		import android.util.Log;

		import java.io.IOException;

		@@ -38,6 +39,8 @@ import java.io.IOException;
		* permission.
		*/
		public final class IsoDep extends BasicTagTechnology {
		private static final String TAG = "NFC";

		/** @hide */
		public static final String EXTRA_HI_LAYER_RESP = "hiresp";
		/** @hide */
		@@ -56,6 +59,33 @@ public final class IsoDep extends BasicTagTechnology {
		}
		}

		/**
		* Sets the timeout of an IsoDep transceive transaction in milliseconds.
		* If the transaction has not completed before the timeout,
		* any ongoing {@link BasicTagTechnology#transceive} operation will be
		* aborted and the connection to the tag is lost. This setting is applied
		* only to the {@link Tag} object linked to this technology and will be
		* reset when {@link IsoDep#close} is called.
		* The default transaction timeout is 5 seconds.
		*/
		public void setTimeout(int timeout) {
		try {
		mTagService.setIsoDepTimeout(timeout);
		} catch (RemoteException e) {
		Log.e(TAG, "NFC service dead", e);
		}
		}

		@Override
		public void close() {
		try {
		mTagService.resetIsoDepTimeout();
		} catch (RemoteException e) {
		Log.e(TAG, "NFC service dead", e);
		}
		super.close();
		}

		/**
		* Return the historical bytes if the tag is using {@link NfcA}, null otherwise.
		*/