Add Bluetooth device picker support (a4433af5) · Commits · e / os / android_frameworks_base

core/java/android/bluetooth/BluetoothA2dp.java

+0 −25

Original line number	Diff line number	Diff line
		@@ -213,31 +213,6 @@ public final class BluetoothA2dp {
		}
		}

		/**
		* Check class bits for possible A2DP Sink support.
		* This is a simple heuristic that tries to guess if a device with the
		* given class bits might be a A2DP Sink. It is not accurate for all
		* devices. It tries to err on the side of false positives.
		* @return True if this device might be a A2DP sink
		*/
		public static boolean doesClassMatchSink(int btClass) {
		if (BluetoothClass.Service.hasService(btClass, BluetoothClass.Service.RENDER)) {
		return true;
		}
		// By the A2DP spec, sinks must indicate the RENDER service.
		// However we found some that do not (Chordette). So lets also
		// match on some other class bits.
		switch (BluetoothClass.Device.getDevice(btClass)) {
		case BluetoothClass.Device.AUDIO_VIDEO_HIFI_AUDIO:
		case BluetoothClass.Device.AUDIO_VIDEO_HEADPHONES:
		case BluetoothClass.Device.AUDIO_VIDEO_LOUDSPEAKER:
		case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO:
		return true;
		default:
		return false;
		}
		}

		/** Helper for converting a state to a string.
		* For debug use only - strings are not internationalized.
		* @hide

core/java/android/bluetooth/BluetoothClass.java

+73 −0

Original line number	Diff line number	Diff line
		@@ -46,6 +46,10 @@ public class BluetoothClass {
		/** Indicates the Bluetooth API could not retrieve the class */
		public static final int ERROR = 0xFF000000;

		public static final int PROFILE_HEADSET = 0;
		public static final int PROFILE_A2DP = 1;
		public static final int PROFILE_OPP = 2;

		/** Every Bluetooth device has zero or more service classes */
		public static class Service {
		public static final int BITMASK = 0xFFE000;
		@@ -187,5 +191,74 @@ public class BluetoothClass {
		return (btClass & Device.BITMASK);
		}
		}

		/**
		* Check class bits for possible bluetooth profile support.
		* This is a simple heuristic that tries to guess if a device with the
		* given class bits might support specified profile. It is not accurate for all
		* devices. It tries to err on the side of false positives.
		* @param btClass The class
		* @param profile The profile to be checked
		* @return True if this device might support specified profile.
		*/
		public static boolean doesClassMatch(int btClass, int profile) {
		if (profile == PROFILE_A2DP) {
		if (BluetoothClass.Service.hasService(btClass, BluetoothClass.Service.RENDER)) {
		return true;
		}
		// By the A2DP spec, sinks must indicate the RENDER service.
		// However we found some that do not (Chordette). So lets also
		// match on some other class bits.
		switch (BluetoothClass.Device.getDevice(btClass)) {
		case BluetoothClass.Device.AUDIO_VIDEO_HIFI_AUDIO:
		case BluetoothClass.Device.AUDIO_VIDEO_HEADPHONES:
		case BluetoothClass.Device.AUDIO_VIDEO_LOUDSPEAKER:
		case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO:
		return true;
		default:
		return false;
		}
		} else if (profile == PROFILE_HEADSET) {
		// The render service class is required by the spec for HFP, so is a
		// pretty good signal
		if (BluetoothClass.Service.hasService(btClass, BluetoothClass.Service.RENDER)) {
		return true;
		}
		// Just in case they forgot the render service class
		switch (BluetoothClass.Device.getDevice(btClass)) {
		case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE:
		case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET:
		case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO:
		return true;
		default:
		return false;
		}
		} else if (profile == PROFILE_OPP) {
		if (BluetoothClass.Service.hasService(btClass, BluetoothClass.Service.OBJECT_TRANSFER)) {
		return true;
		}

		switch (BluetoothClass.Device.getDevice(btClass)) {
		case BluetoothClass.Device.COMPUTER_UNCATEGORIZED:
		case BluetoothClass.Device.COMPUTER_DESKTOP:
		case BluetoothClass.Device.COMPUTER_SERVER:
		case BluetoothClass.Device.COMPUTER_LAPTOP:
		case BluetoothClass.Device.COMPUTER_HANDHELD_PC_PDA:
		case BluetoothClass.Device.COMPUTER_PALM_SIZE_PC_PDA:
		case BluetoothClass.Device.COMPUTER_WEARABLE:
		case BluetoothClass.Device.PHONE_UNCATEGORIZED:
		case BluetoothClass.Device.PHONE_CELLULAR:
		case BluetoothClass.Device.PHONE_CORDLESS:
		case BluetoothClass.Device.PHONE_SMART:
		case BluetoothClass.Device.PHONE_MODEM_OR_GATEWAY:
		case BluetoothClass.Device.PHONE_ISDN:
		return true;
		default:
		return false;
		}
		} else {
		return false;
		}
		}
		}

core/java/android/bluetooth/BluetoothDevice.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,16 @@ public final class BluetoothDevice implements Parcelable {
		* @hide */
		public static final int BOND_BONDING = 2;

		/** Ask device picker to show all kinds of BT devices.
		* @hide */
		public static final int DEVICE_PICKER_FILTER_TYPE_ALL = 0;
		/** Ask device picker to show BT devices that support AUDIO profiles.
		* @hide */
		public static final int DEVICE_PICKER_FILTER_TYPE_AUDIO = 1;
		/** Ask device picker to show BT devices that support Object Transfer.
		* @hide */
		public static final int DEVICE_PICKER_FILTER_TYPE_TRANSFER = 2;

		//TODO: Unify these result codes in BluetoothResult or BluetoothError
		/** A bond attempt failed because pins did not match, or remote device did
		* not respond to pin request in time

core/java/android/bluetooth/BluetoothHeadset.java

+0 −24

Original line number	Diff line number	Diff line
		@@ -356,30 +356,6 @@ public final class BluetoothHeadset {
		return -1;
		}

		/**
		* Check class bits for possible HSP or HFP support.
		* This is a simple heuristic that tries to guess if a device with the
		* given class bits might support HSP or HFP. It is not accurate for all
		* devices. It tries to err on the side of false positives.
		* @return True if this device might support HSP or HFP.
		*/
		public static boolean doesClassMatch(int btClass) {
		// The render service class is required by the spec for HFP, so is a
		// pretty good signal
		if (BluetoothClass.Service.hasService(btClass, BluetoothClass.Service.RENDER)) {
		return true;
		}
		// Just in case they forgot the render service class
		switch (BluetoothClass.Device.getDevice(btClass)) {
		case BluetoothClass.Device.AUDIO_VIDEO_HANDSFREE:
		case BluetoothClass.Device.AUDIO_VIDEO_WEARABLE_HEADSET:
		case BluetoothClass.Device.AUDIO_VIDEO_CAR_AUDIO:
		return true;
		default:
		return false;
		}
		}

		private ServiceConnection mConnection = new ServiceConnection() {
		public void onServiceConnected(ComponentName className, IBinder service) {
		if (DBG) Log.d(TAG, "Proxy object connected");

core/java/android/bluetooth/BluetoothIntent.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -62,6 +62,35 @@ public interface BluetoothIntent {
		public static final String PASSKEY =
		"android.bluetooth.intent.PASSKEY";

		public static final String DEVICE_PICKER_NEED_AUTH =
		"android.bluetooth.intent.DEVICE_PICKER_NEED_AUTH";
		public static final String DEVICE_PICKER_FILTER_TYPE =
		"android.bluetooth.intent.DEVICE_PICKER_FILTER_TYPE";
		public static final String DEVICE_PICKER_LAUNCH_PACKAGE =
		"android.bluetooth.intent.DEVICE_PICKER_LAUNCH_PACKAGE";
		public static final String DEVICE_PICKER_LAUNCH_CLASS =
		"android.bluetooth.intent.DEVICE_PICKER_LAUNCH_CLASS";

		/**
		* Broadcast when one BT device is selected from BT device picker screen.
		* Selected BT device address is contained in extra string "BluetoothIntent.ADDRESS".
		*/
		@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
		public static final String DEVICE_PICKER_DEVICE_SELECTED =
		"android.bluetooth.intent.action.DEVICE_SELECTED";

		/**
		* Broadcast when someone want to select one BT device from devices list.
		* This intent contains below extra data:
		* - BluetoothIntent.DEVICE_PICKER_NEED_AUTH (boolean): if need authentication
		* - BluetoothIntent.DEVICE_PICKER_FILTER_TYPE (int): what kinds of device should be listed
		* - BluetoothIntent.DEVICE_PICKER_LAUNCH_PACKAGE (string): where(which package) this intent come from
		* - BluetoothIntent.DEVICE_PICKER_LAUNCH_CLASS (string): where(which class) this intent come from
		*/
		@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
		public static final String DEVICE_PICKER_DEVICE_PICKER =
		"android.bluetooth.intent.action.DEVICE_PICKER";

		/** Broadcast when the local Bluetooth device state changes, for example
		* when Bluetooth is enabled. Will contain int extra's BLUETOOTH_STATE and
		* BLUETOOTH_PREVIOUS_STATE. */