/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package android.bluetooth; import android.annotation.SdkConstant; import android.annotation.SdkConstant.SdkConstantType; import android.content.Context; import android.os.IBinder; import android.os.RemoteException; import android.os.ServiceManager; import android.util.Log; import java.util.ArrayList; import java.util.List; /** * This class provides the public APIs to control the Bluetooth Input * Device Profile. * *
BluetoothInputDevice is a proxy object for controlling the Bluetooth * Service via IPC. Use {@link BluetoothAdapter#getProfileProxy} to get * the BluetoothInputDevice proxy object. * *
Each method is protected with its appropriate permission. *@hide */ public final class BluetoothInputDevice implements BluetoothProfile { private static final String TAG = "BluetoothInputDevice"; private static final boolean DBG = false; /** * Intent used to broadcast the change in connection state of the Input * Device profile. * *
This intent will have 3 extras: *
{@link #EXTRA_STATE} or {@link #EXTRA_PREVIOUS_STATE} can be any of * {@link #STATE_DISCONNECTED}, {@link #STATE_CONNECTING}, * {@link #STATE_CONNECTED}, {@link #STATE_DISCONNECTING}. * *
Requires {@link android.Manifest.permission#BLUETOOTH} permission to
* receive.
*/
@SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION)
public static final String ACTION_CONNECTION_STATE_CHANGED =
"android.bluetooth.input.profile.action.CONNECTION_STATE_CHANGED";
/**
* Return codes for the connect and disconnect Bluez / Dbus calls.
* @hide
*/
public static final int INPUT_DISCONNECT_FAILED_NOT_CONNECTED = 5000;
/**
* @hide
*/
public static final int INPUT_CONNECT_FAILED_ALREADY_CONNECTED = 5001;
/**
* @hide
*/
public static final int INPUT_CONNECT_FAILED_ATTEMPT_FAILED = 5002;
/**
* @hide
*/
public static final int INPUT_OPERATION_GENERIC_FAILURE = 5003;
/**
* @hide
*/
public static final int INPUT_OPERATION_SUCCESS = 5004;
private ServiceListener mServiceListener;
private BluetoothAdapter mAdapter;
private IBluetooth mService;
/**
* Create a BluetoothInputDevice proxy object for interacting with the local
* Bluetooth Service which handles the InputDevice profile
*
*/
/*package*/ BluetoothInputDevice(Context mContext, ServiceListener l) {
IBinder b = ServiceManager.getService(BluetoothAdapter.BLUETOOTH_SERVICE);
mServiceListener = l;
mAdapter = BluetoothAdapter.getDefaultAdapter();
if (b != null) {
mService = IBluetooth.Stub.asInterface(b);
if (mServiceListener != null) {
mServiceListener.onServiceConnected(BluetoothProfile.INPUT_DEVICE, this);
}
} else {
Log.w(TAG, "Bluetooth Service not available!");
// Instead of throwing an exception which prevents people from going
// into Wireless settings in the emulator. Let it crash later when it is actually used.
mService = null;
}
}
/**
* {@inheritDoc}
* @hide
*/
public boolean connect(BluetoothDevice device) {
if (DBG) log("connect(" + device + ")");
if (mService != null && isEnabled() &&
isValidDevice(device)) {
try {
return mService.connectInputDevice(device);
} catch (RemoteException e) {
Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
return false;
}
}
if (mService == null) Log.w(TAG, "Proxy not attached to service");
return false;
}
/**
* {@inheritDoc}
* @hide
*/
public boolean disconnect(BluetoothDevice device) {
if (DBG) log("disconnect(" + device + ")");
if (mService != null && isEnabled() &&
isValidDevice(device)) {
try {
return mService.disconnectInputDevice(device);
} catch (RemoteException e) {
Log.e(TAG, "Stack:" + Log.getStackTraceString(new Throwable()));
return false;
}
}
if (mService == null) Log.w(TAG, "Proxy not attached to service");
return false;
}
/**
* {@inheritDoc}
*/
public List