MTP: Add interface to MtpClient for receiving device added/removed events. (74f094fe) · Commits · e / os / android_frameworks_base

core/java/android/provider/Mtp.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -41,6 +41,10 @@ public final class Mtp

		public static final Uri CONTENT_URI = Uri.parse(CONTENT_AUTHORITY_SLASH + "device");

		public static Uri getContentUri(int deviceID) {
		return Uri.parse(CONTENT_AUTHORITY_DEVICE_SLASH + deviceID);
		}

		/**
		* The manufacturer of the device
		* <P>Type: TEXT</P>

+19 −1

Original line number	Diff line number	Diff line
		@@ -25,12 +25,18 @@ public class MtpClient {

		private static final String TAG = "MtpClient";

		private final Listener mListener;

		static {
		System.loadLibrary("media_jni");
		}

		public MtpClient() {
		public MtpClient(Listener listener) {
		native_setup();
		if (listener == null) {
		throw new NullPointerException("MtpClient: listener is null");
		}
		mListener = listener;
		}

		@Override
		@@ -73,12 +79,24 @@ public class MtpClient {
		}
		}

		public interface Listener {
		// called when a new MTP device has been discovered
		void deviceAdded(int id);

		// called when an MTP device has been removed
		void deviceRemoved(int id);
		}

		// called from native code
		private void deviceAdded(int id) {
		Log.d(TAG, "deviceAdded " + id);
		mListener.deviceAdded(id);
		}

		// called from native code
		private void deviceRemoved(int id) {
		Log.d(TAG, "deviceRemoved " + id);
		mListener.deviceRemoved(id);
		}

		private MtpEventThread mEventThread;