+package org.libsdl.app;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.PendingIntent;
+import android.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
+import android.bluetooth.BluetoothManager;
+import android.bluetooth.BluetoothProfile;
+import android.util.Log;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.SharedPreferences;
+import android.content.pm.PackageManager;
+import android.hardware.usb.*;
+import android.os.Handler;
+import android.os.Looper;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+
+public class HIDDeviceManager {
+ private static final String TAG = "hidapi";
+ private static final String ACTION_USB_PERMISSION = "org.libsdl.app.USB_PERMISSION";
+
+ private static HIDDeviceManager sManager;
+ private static int sManagerRefCount = 0;
+
+ public static HIDDeviceManager acquire(Context context) {
+ if (sManagerRefCount == 0) {
+ sManager = new HIDDeviceManager(context);
+ }
+ ++sManagerRefCount;
+ return sManager;
+ }
+
+ public static void release(HIDDeviceManager manager) {
+ if (manager == sManager) {
+ --sManagerRefCount;
+ if (sManagerRefCount == 0) {
+ sManager.close();
+ sManager = null;
+ }
+ }
+ }
+
+ private Context mContext;
+ private HashMap<Integer, HIDDevice> mDevicesById = new HashMap<Integer, HIDDevice>();
+ private HashMap<BluetoothDevice, HIDDeviceBLESteamController> mBluetoothDevices = new HashMap<BluetoothDevice, HIDDeviceBLESteamController>();
+ private int mNextDeviceId = 0;
+ private SharedPreferences mSharedPreferences = null;
+ private boolean mIsChromebook = false;
+ private UsbManager mUsbManager;
+ private Handler mHandler;
+ private BluetoothManager mBluetoothManager;
+ private List<BluetoothDevice> mLastBluetoothDevices;
+
+ private final BroadcastReceiver mUsbBroadcast = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ String action = intent.getAction();
+ if (action.equals(UsbManager.ACTION_USB_DEVICE_ATTACHED)) {
+ UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+ handleUsbDeviceAttached(usbDevice);
+ } else if (action.equals(UsbManager.ACTION_USB_DEVICE_DETACHED)) {
+ UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+ handleUsbDeviceDetached(usbDevice);
+ } else if (action.equals(HIDDeviceManager.ACTION_USB_PERMISSION)) {
+ UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
+ handleUsbDevicePermission(usbDevice, intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false));
+ }
+ }
+ };
+
+ private final BroadcastReceiver mBluetoothBroadcast = new BroadcastReceiver() {
+ @Override
+ public void onReceive(Context context, Intent intent) {
+ String action = intent.getAction();
+ // Bluetooth device was connected. If it was a Steam Controller, handle it
+ if (action.equals(BluetoothDevice.ACTION_ACL_CONNECTED)) {
+ BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+ Log.d(TAG, "Bluetooth device connected: " + device);
+
+ if (isSteamController(device)) {
+ connectBluetoothDevice(device);
+ }
+ }
+
+ // Bluetooth device was disconnected, remove from controller manager (if any)
+ if (action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
+ BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+ Log.d(TAG, "Bluetooth device disconnected: " + device);
+
+ disconnectBluetoothDevice(device);
+ }
+ }
+ };
+
+ private HIDDeviceManager(final Context context) {
+ mContext = context;
+
+ // Make sure we have the HIDAPI library loaded with the native functions
+ try {
+ SDL.loadLibrary("hidapi");
+ } catch (Throwable e) {
+ Log.w(TAG, "Couldn't load hidapi: " + e.toString());
+
+ AlertDialog.Builder builder = new AlertDialog.Builder(context);
+ builder.setCancelable(false);
+ builder.setTitle("SDL HIDAPI Error");
+ builder.setMessage("Please report the following error to the SDL maintainers: " + e.getMessage());
+ builder.setNegativeButton("Quit", new DialogInterface.OnClickListener() {
+ @Override
+ public void onClick(DialogInterface dialog, int which) {
+ try {
+ // If our context is an activity, exit rather than crashing when we can't
+ // call our native functions.
+ Activity activity = (Activity)context;
+
+ activity.finish();
+ }
+ catch (ClassCastException cce) {
+ // Context wasn't an activity, there's nothing we can do. Give up and return.
+ }
+ }
+ });
+ builder.show();
+
+ return;
+ }
+
+ HIDDeviceRegisterCallback();
+
+ mSharedPreferences = mContext.getSharedPreferences("hidapi", Context.MODE_PRIVATE);
+ mIsChromebook = mContext.getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
+
+// if (shouldClear) {
+// SharedPreferences.Editor spedit = mSharedPreferences.edit();
+// spedit.clear();
+// spedit.commit();
+// }
+// else
+ {
+ mNextDeviceId = mSharedPreferences.getInt("next_device_id", 0);
+ }
+
+ initializeUSB();
+ initializeBluetooth();
+ }
+
+ public Context getContext() {
+ return mContext;
+ }
+
+ public int getDeviceIDForIdentifier(String identifier) {
+ SharedPreferences.Editor spedit = mSharedPreferences.edit();
+
+ int result = mSharedPreferences.getInt(identifier, 0);
+ if (result == 0) {
+ result = mNextDeviceId++;
+ spedit.putInt("next_device_id", mNextDeviceId);
+ }
+
+ spedit.putInt(identifier, result);
+ spedit.commit();
+ return result;
+ }
+
+ private void initializeUSB() {
+ mUsbManager = (UsbManager)mContext.getSystemService(Context.USB_SERVICE);
+
+ /*
+ // Logging
+ for (UsbDevice device : mUsbManager.getDeviceList().values()) {
+ Log.i(TAG,"Path: " + device.getDeviceName());
+ Log.i(TAG,"Manufacturer: " + device.getManufacturerName());
+ Log.i(TAG,"Product: " + device.getProductName());
+ Log.i(TAG,"ID: " + device.getDeviceId());
+ Log.i(TAG,"Class: " + device.getDeviceClass());
+ Log.i(TAG,"Protocol: " + device.getDeviceProtocol());
+ Log.i(TAG,"Vendor ID " + device.getVendorId());
+ Log.i(TAG,"Product ID: " + device.getProductId());
+ Log.i(TAG,"Interface count: " + device.getInterfaceCount());
+ Log.i(TAG,"---------------------------------------");
+
+ // Get interface details
+ for (int index = 0; index < device.getInterfaceCount(); index++) {
+ UsbInterface mUsbInterface = device.getInterface(index);
+ Log.i(TAG," ***** *****");
+ Log.i(TAG," Interface index: " + index);
+ Log.i(TAG," Interface ID: " + mUsbInterface.getId());
+ Log.i(TAG," Interface class: " + mUsbInterface.getInterfaceClass());
+ Log.i(TAG," Interface subclass: " + mUsbInterface.getInterfaceSubclass());
+ Log.i(TAG," Interface protocol: " + mUsbInterface.getInterfaceProtocol());
+ Log.i(TAG," Endpoint count: " + mUsbInterface.getEndpointCount());
+
+ // Get endpoint details
+ for (int epi = 0; epi < mUsbInterface.getEndpointCount(); epi++)
+ {
+ UsbEndpoint mEndpoint = mUsbInterface.getEndpoint(epi);
+ Log.i(TAG," ++++ ++++ ++++");
+ Log.i(TAG," Endpoint index: " + epi);
+ Log.i(TAG," Attributes: " + mEndpoint.getAttributes());
+ Log.i(TAG," Direction: " + mEndpoint.getDirection());
+ Log.i(TAG," Number: " + mEndpoint.getEndpointNumber());
+ Log.i(TAG," Interval: " + mEndpoint.getInterval());
+ Log.i(TAG," Packet size: " + mEndpoint.getMaxPacketSize());
+ Log.i(TAG," Type: " + mEndpoint.getType());
+ }
+ }
+ }
+ Log.i(TAG," No more devices connected.");
+ */
+
+ // Register for USB broadcasts and permission completions
+ IntentFilter filter = new IntentFilter();
+ filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
+ filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
+ filter.addAction(HIDDeviceManager.ACTION_USB_PERMISSION);
+ mContext.registerReceiver(mUsbBroadcast, filter);
+
+ for (UsbDevice usbDevice : mUsbManager.getDeviceList().values()) {
+ handleUsbDeviceAttached(usbDevice);
+ }
+ }
+
+ UsbManager getUSBManager() {
+ return mUsbManager;
+ }
+
+ private void shutdownUSB() {
+ try {
+ mContext.unregisterReceiver(mUsbBroadcast);
+ } catch (Exception e) {
+ // We may not have registered, that's okay
+ }
+ }
+
+ private boolean isHIDDeviceInterface(UsbDevice usbDevice, UsbInterface usbInterface) {
+ if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_HID) {
+ return true;
+ }
+ if (isXbox360Controller(usbDevice, usbInterface) || isXboxOneController(usbDevice, usbInterface)) {
+ return true;
+ }
+ return false;
+ }
+
+ private boolean isXbox360Controller(UsbDevice usbDevice, UsbInterface usbInterface) {
+ final int XB360_IFACE_SUBCLASS = 93;
+ final int XB360_IFACE_PROTOCOL = 1; // Wired
+ final int XB360W_IFACE_PROTOCOL = 129; // Wireless
+ final int[] SUPPORTED_VENDORS = {
+ 0x0079, // GPD Win 2
+ 0x044f, // Thrustmaster
+ 0x045e, // Microsoft
+ 0x046d, // Logitech
+ 0x056e, // Elecom
+ 0x06a3, // Saitek
+ 0x0738, // Mad Catz
+ 0x07ff, // Mad Catz
+ 0x0e6f, // PDP
+ 0x0f0d, // Hori
+ 0x1038, // SteelSeries
+ 0x11c9, // Nacon
+ 0x12ab, // Unknown
+ 0x1430, // RedOctane
+ 0x146b, // BigBen
+ 0x1532, // Razer Sabertooth
+ 0x15e4, // Numark
+ 0x162e, // Joytech
+ 0x1689, // Razer Onza
+ 0x1bad, // Harmonix
+ 0x24c6, // PowerA
+ };
+
+ if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
+ usbInterface.getInterfaceSubclass() == XB360_IFACE_SUBCLASS &&
+ (usbInterface.getInterfaceProtocol() == XB360_IFACE_PROTOCOL ||
+ usbInterface.getInterfaceProtocol() == XB360W_IFACE_PROTOCOL)) {
+ int vendor_id = usbDevice.getVendorId();
+ for (int supportedVid : SUPPORTED_VENDORS) {
+ if (vendor_id == supportedVid) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ private boolean isXboxOneController(UsbDevice usbDevice, UsbInterface usbInterface) {
+ final int XB1_IFACE_SUBCLASS = 71;
+ final int XB1_IFACE_PROTOCOL = 208;
+ final int[] SUPPORTED_VENDORS = {
+ 0x045e, // Microsoft
+ 0x0738, // Mad Catz
+ 0x0e6f, // PDP
+ 0x0f0d, // Hori
+ 0x1532, // Razer Wildcat
+ 0x24c6, // PowerA
+ 0x2e24, // Hyperkin
+ };
+
+ if (usbInterface.getId() == 0 &&
+ usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
+ usbInterface.getInterfaceSubclass() == XB1_IFACE_SUBCLASS &&
+ usbInterface.getInterfaceProtocol() == XB1_IFACE_PROTOCOL) {
+ int vendor_id = usbDevice.getVendorId();
+ for (int supportedVid : SUPPORTED_VENDORS) {
+ if (vendor_id == supportedVid) {
+ return true;
+ }
+ }
+ }
+ return false;
+ }
+
+ private void handleUsbDeviceAttached(UsbDevice usbDevice) {
+ connectHIDDeviceUSB(usbDevice);
+ }
+
+ private void handleUsbDeviceDetached(UsbDevice usbDevice) {
+ List<Integer> devices = new ArrayList<Integer>();
+ for (HIDDevice device : mDevicesById.values()) {
+ if (usbDevice.equals(device.getDevice())) {
+ devices.add(device.getId());
+ }
+ }
+ for (int id : devices) {
+ HIDDevice device = mDevicesById.get(id);
+ mDevicesById.remove(id);
+ device.shutdown();
+ HIDDeviceDisconnected(id);
+ }
+ }
+
+ private void handleUsbDevicePermission(UsbDevice usbDevice, boolean permission_granted) {
+ for (HIDDevice device : mDevicesById.values()) {
+ if (usbDevice.equals(device.getDevice())) {
+ boolean opened = false;
+ if (permission_granted) {
+ opened = device.open();
+ }
+ HIDDeviceOpenResult(device.getId(), opened);
+ }
+ }
+ }
+
+ private void connectHIDDeviceUSB(UsbDevice usbDevice) {
+ synchronized (this) {
+ for (int interface_index = 0; interface_index < usbDevice.getInterfaceCount(); interface_index++) {
+ UsbInterface usbInterface = usbDevice.getInterface(interface_index);
+ if (isHIDDeviceInterface(usbDevice, usbInterface)) {
+ HIDDeviceUSB device = new HIDDeviceUSB(this, usbDevice, interface_index);
+ int id = device.getId();
+ mDevicesById.put(id, device);
+ HIDDeviceConnected(id, device.getIdentifier(), device.getVendorId(), device.getProductId(), device.getSerialNumber(), device.getVersion(), device.getManufacturerName(), device.getProductName(), usbInterface.getId(), usbInterface.getInterfaceClass(), usbInterface.getInterfaceSubclass(), usbInterface.getInterfaceProtocol());
+ }
+ }
+ }
+ }
+
+ private void initializeBluetooth() {
+ Log.d(TAG, "Initializing Bluetooth");
+
+ if (mContext.getPackageManager().checkPermission(android.Manifest.permission.BLUETOOTH, mContext.getPackageName()) != PackageManager.PERMISSION_GRANTED) {
+ Log.d(TAG, "Couldn't initialize Bluetooth, missing android.permission.BLUETOOTH");
+ return;
+ }
+
+ // Find bonded bluetooth controllers and create SteamControllers for them
+ mBluetoothManager = (BluetoothManager)mContext.getSystemService(Context.BLUETOOTH_SERVICE);
+ if (mBluetoothManager == null) {
+ // This device doesn't support Bluetooth.
+ return;
+ }
+
+ BluetoothAdapter btAdapter = mBluetoothManager.getAdapter();
+ if (btAdapter == null) {
+ // This device has Bluetooth support in the codebase, but has no available adapters.
+ return;
+ }
+
+ // Get our bonded devices.
+ for (BluetoothDevice device : btAdapter.getBondedDevices()) {
+
+ Log.d(TAG, "Bluetooth device available: " + device);
+ if (isSteamController(device)) {
+ connectBluetoothDevice(device);
+ }
+
+ }
+
+ // NOTE: These don't work on Chromebooks, to my undying dismay.
+ IntentFilter filter = new IntentFilter();
+ filter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
+ filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
+ mContext.registerReceiver(mBluetoothBroadcast, filter);
+
+ if (mIsChromebook) {
+ mHandler = new Handler(Looper.getMainLooper());
+ mLastBluetoothDevices = new ArrayList<BluetoothDevice>();
+
+ // final HIDDeviceManager finalThis = this;
+ // mHandler.postDelayed(new Runnable() {
+ // @Override
+ // public void run() {
+ // finalThis.chromebookConnectionHandler();
+ // }
+ // }, 5000);
+ }
+ }
+
+ private void shutdownBluetooth() {
+ try {
+ mContext.unregisterReceiver(mBluetoothBroadcast);
+ } catch (Exception e) {
+ // We may not have registered, that's okay
+ }
+ }
+
+ // Chromebooks do not pass along ACTION_ACL_CONNECTED / ACTION_ACL_DISCONNECTED properly.
+ // This function provides a sort of dummy version of that, watching for changes in the
+ // connected devices and attempting to add controllers as things change.
+ public void chromebookConnectionHandler() {
+ if (!mIsChromebook) {
+ return;
+ }
+
+ ArrayList<BluetoothDevice> disconnected = new ArrayList<BluetoothDevice>();
+ ArrayList<BluetoothDevice> connected = new ArrayList<BluetoothDevice>();
+
+ List<BluetoothDevice> currentConnected = mBluetoothManager.getConnectedDevices(BluetoothProfile.GATT);
+
+ for (BluetoothDevice bluetoothDevice : currentConnected) {
+ if (!mLastBluetoothDevices.contains(bluetoothDevice)) {
+ connected.add(bluetoothDevice);
+ }
+ }
+ for (BluetoothDevice bluetoothDevice : mLastBluetoothDevices) {
+ if (!currentConnected.contains(bluetoothDevice)) {
+ disconnected.add(bluetoothDevice);
+ }
+ }
+
+ mLastBluetoothDevices = currentConnected;
+
+ for (BluetoothDevice bluetoothDevice : disconnected) {
+ disconnectBluetoothDevice(bluetoothDevice);
+ }
+ for (BluetoothDevice bluetoothDevice : connected) {
+ connectBluetoothDevice(bluetoothDevice);
+ }
+
+ final HIDDeviceManager finalThis = this;
+ mHandler.postDelayed(new Runnable() {
+ @Override
+ public void run() {
+ finalThis.chromebookConnectionHandler();
+ }
+ }, 10000);
+ }
+
+ public boolean connectBluetoothDevice(BluetoothDevice bluetoothDevice) {
+ Log.v(TAG, "connectBluetoothDevice device=" + bluetoothDevice);
+ synchronized (this) {
+ if (mBluetoothDevices.containsKey(bluetoothDevice)) {
+ Log.v(TAG, "Steam controller with address " + bluetoothDevice + " already exists, attempting reconnect");
+
+ HIDDeviceBLESteamController device = mBluetoothDevices.get(bluetoothDevice);
+ device.reconnect();
+
+ return false;
+ }
+ HIDDeviceBLESteamController device = new HIDDeviceBLESteamController(this, bluetoothDevice);
+ int id = device.getId();
+ mBluetoothDevices.put(bluetoothDevice, device);
+ mDevicesById.put(id, device);
+
+ // The Steam Controller will mark itself connected once initialization is complete
+ }
+ return true;
+ }
+
+ public void disconnectBluetoothDevice(BluetoothDevice bluetoothDevice) {
+ synchronized (this) {
+ HIDDeviceBLESteamController device = mBluetoothDevices.get(bluetoothDevice);
+ if (device == null)
+ return;
+
+ int id = device.getId();
+ mBluetoothDevices.remove(bluetoothDevice);
+ mDevicesById.remove(id);
+ device.shutdown();
+ HIDDeviceDisconnected(id);
+ }
+ }
+
+ public boolean isSteamController(BluetoothDevice bluetoothDevice) {
+ // Sanity check. If you pass in a null device, by definition it is never a Steam Controller.
+ if (bluetoothDevice == null) {
+ return false;
+ }
+
+ // If the device has no local name, we really don't want to try an equality check against it.
+ if (bluetoothDevice.getName() == null) {
+ return false;
+ }
+
+ return bluetoothDevice.getName().equals("SteamController") && ((bluetoothDevice.getType() & BluetoothDevice.DEVICE_TYPE_LE) != 0);
+ }
+
+ private void close() {
+ shutdownUSB();
+ shutdownBluetooth();
+ synchronized (this) {
+ for (HIDDevice device : mDevicesById.values()) {
+ device.shutdown();
+ }
+ mDevicesById.clear();
+ mBluetoothDevices.clear();
+ HIDDeviceReleaseCallback();
+ }
+ }
+
+ public void setFrozen(boolean frozen) {
+ synchronized (this) {
+ for (HIDDevice device : mDevicesById.values()) {
+ device.setFrozen(frozen);
+ }
+ }
+ }
+
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+ private HIDDevice getDevice(int id) {
+ synchronized (this) {
+ HIDDevice result = mDevicesById.get(id);
+ if (result == null) {
+ Log.v(TAG, "No device for id: " + id);
+ Log.v(TAG, "Available devices: " + mDevicesById.keySet());
+ }
+ return result;
+ }
+ }
+
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+ ////////// JNI interface functions
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+ public boolean openDevice(int deviceID) {
+ Log.v(TAG, "openDevice deviceID=" + deviceID);
+ HIDDevice device = getDevice(deviceID);
+ if (device == null) {
+ HIDDeviceDisconnected(deviceID);
+ return false;
+ }
+
+ // Look to see if this is a USB device and we have permission to access it
+ UsbDevice usbDevice = device.getDevice();
+ if (usbDevice != null && !mUsbManager.hasPermission(usbDevice)) {
+ HIDDeviceOpenPending(deviceID);
+ try {
+ mUsbManager.requestPermission(usbDevice, PendingIntent.getBroadcast(mContext, 0, new Intent(HIDDeviceManager.ACTION_USB_PERMISSION), 0));
+ } catch (Exception e) {
+ Log.v(TAG, "Couldn't request permission for USB device " + usbDevice);
+ HIDDeviceOpenResult(deviceID, false);
+ }
+ return false;
+ }
+
+ try {
+ return device.open();
+ } catch (Exception e) {
+ Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+ }
+ return false;
+ }
+
+ public int sendOutputReport(int deviceID, byte[] report) {
+ try {
+ //Log.v(TAG, "sendOutputReport deviceID=" + deviceID + " length=" + report.length);
+ HIDDevice device;
+ device = getDevice(deviceID);
+ if (device == null) {
+ HIDDeviceDisconnected(deviceID);
+ return -1;
+ }
+
+ return device.sendOutputReport(report);
+ } catch (Exception e) {
+ Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+ }
+ return -1;
+ }
+
+ public int sendFeatureReport(int deviceID, byte[] report) {
+ try {
+ //Log.v(TAG, "sendFeatureReport deviceID=" + deviceID + " length=" + report.length);
+ HIDDevice device;
+ device = getDevice(deviceID);
+ if (device == null) {
+ HIDDeviceDisconnected(deviceID);
+ return -1;
+ }
+
+ return device.sendFeatureReport(report);
+ } catch (Exception e) {
+ Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+ }
+ return -1;
+ }
+
+ public boolean getFeatureReport(int deviceID, byte[] report) {
+ try {
+ //Log.v(TAG, "getFeatureReport deviceID=" + deviceID);
+ HIDDevice device;
+ device = getDevice(deviceID);
+ if (device == null) {
+ HIDDeviceDisconnected(deviceID);
+ return false;
+ }
+
+ return device.getFeatureReport(report);
+ } catch (Exception e) {
+ Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+ }
+ return false;
+ }
+
+ public void closeDevice(int deviceID) {
+ try {
+ Log.v(TAG, "closeDevice deviceID=" + deviceID);
+ HIDDevice device;
+ device = getDevice(deviceID);
+ if (device == null) {
+ HIDDeviceDisconnected(deviceID);
+ return;
+ }
+
+ device.close();
+ } catch (Exception e) {
+ Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
+ }
+ }
+
+
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+ /////////////// Native methods
+ //////////////////////////////////////////////////////////////////////////////////////////////////////
+
+ private native void HIDDeviceRegisterCallback();
+ private native void HIDDeviceReleaseCallback();
+
+ native void HIDDeviceConnected(int deviceID, String identifier, int vendorId, int productId, String serial_number, int release_number, String manufacturer_string, String product_string, int interface_number, int interface_class, int interface_subclass, int interface_protocol);
+ native void HIDDeviceOpenPending(int deviceID);
+ native void HIDDeviceOpenResult(int deviceID, boolean opened);
+ native void HIDDeviceDisconnected(int deviceID);
+
+ native void HIDDeviceInputReport(int deviceID, byte[] report);
+ native void HIDDeviceFeatureReport(int deviceID, byte[] report);
+}