diff --git a/core/java/android/bluetooth/BluetoothAdapter.java b/core/java/android/bluetooth/BluetoothAdapter.java index 3d9651db6833d..158aebb478ac5 100644 --- a/core/java/android/bluetooth/BluetoothAdapter.java +++ b/core/java/android/bluetooth/BluetoothAdapter.java @@ -1,6 +1,6 @@ /* - * Copyright (C) 2009-2016 The Android Open Source Project - * Copyright (C) 2015 Samsung LSI + * Copyright 2009-2016 The Android Open Source Project + * Copyright 2015 Samsung LSI * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -132,9 +132,8 @@ public final class BluetoothAdapter { * respectively. *

Requires {@link android.Manifest.permission#BLUETOOTH} to receive. */ - @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) - public static final String ACTION_STATE_CHANGED = - "android.bluetooth.adapter.action.STATE_CHANGED"; + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String + ACTION_STATE_CHANGED = "android.bluetooth.adapter.action.STATE_CHANGED"; /** * Used as an int extra field in {@link #ACTION_STATE_CHANGED} @@ -144,8 +143,7 @@ public final class BluetoothAdapter { * {@link #STATE_ON}, * {@link #STATE_TURNING_OFF}, */ - public static final String EXTRA_STATE = - "android.bluetooth.adapter.extra.STATE"; + public static final String EXTRA_STATE = "android.bluetooth.adapter.extra.STATE"; /** * Used as an int extra field in {@link #ACTION_STATE_CHANGED} * intents to request the previous power state. Possible values are: @@ -158,11 +156,17 @@ public final class BluetoothAdapter { "android.bluetooth.adapter.extra.PREVIOUS_STATE"; /** @hide */ - @IntDef({STATE_OFF, STATE_TURNING_ON, STATE_ON, STATE_TURNING_OFF, STATE_BLE_TURNING_ON, - STATE_BLE_ON, STATE_BLE_TURNING_OFF}) + @IntDef({ + STATE_OFF, + STATE_TURNING_ON, + STATE_ON, + STATE_TURNING_OFF, + STATE_BLE_TURNING_ON, + STATE_BLE_ON, + STATE_BLE_TURNING_OFF + }) @Retention(RetentionPolicy.SOURCE) - public @interface AdapterState { - } + public @interface AdapterState {} /** * Indicates the local Bluetooth adapter is off. @@ -254,9 +258,8 @@ public final class BluetoothAdapter { * application can be notified when the device has ended discoverability. *

Requires {@link android.Manifest.permission#BLUETOOTH} */ - @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) - public static final String ACTION_REQUEST_DISCOVERABLE = - "android.bluetooth.adapter.action.REQUEST_DISCOVERABLE"; + @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) public static final String + ACTION_REQUEST_DISCOVERABLE = "android.bluetooth.adapter.action.REQUEST_DISCOVERABLE"; /** * Used as an optional int extra field in {@link @@ -282,9 +285,8 @@ public final class BluetoothAdapter { * for global notification whenever Bluetooth is turned on or off. *

Requires {@link android.Manifest.permission#BLUETOOTH} */ - @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) - public static final String ACTION_REQUEST_ENABLE = - "android.bluetooth.adapter.action.REQUEST_ENABLE"; + @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) public static final String + ACTION_REQUEST_ENABLE = "android.bluetooth.adapter.action.REQUEST_ENABLE"; /** * Activity Action: Show a system activity that allows the user to turn off @@ -305,9 +307,8 @@ public final class BluetoothAdapter { * * @hide */ - @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) - public static final String ACTION_REQUEST_DISABLE = - "android.bluetooth.adapter.action.REQUEST_DISABLE"; + @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION) public static final String + ACTION_REQUEST_DISABLE = "android.bluetooth.adapter.action.REQUEST_DISABLE"; /** * Activity Action: Show a system activity that allows user to enable BLE scans even when @@ -334,9 +335,8 @@ public final class BluetoothAdapter { * respectively. *

Requires {@link android.Manifest.permission#BLUETOOTH} */ - @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) - public static final String ACTION_SCAN_MODE_CHANGED = - "android.bluetooth.adapter.action.SCAN_MODE_CHANGED"; + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String + ACTION_SCAN_MODE_CHANGED = "android.bluetooth.adapter.action.SCAN_MODE_CHANGED"; /** * Used as an int extra field in {@link #ACTION_SCAN_MODE_CHANGED} @@ -359,8 +359,7 @@ public final class BluetoothAdapter { /** @hide */ @IntDef({SCAN_MODE_NONE, SCAN_MODE_CONNECTABLE, SCAN_MODE_CONNECTABLE_DISCOVERABLE}) @Retention(RetentionPolicy.SOURCE) - public @interface ScanMode { - } + public @interface ScanMode {} /** * Indicates that both inquiry scan and page scan are disabled on the local @@ -396,17 +395,15 @@ public final class BluetoothAdapter { * discovery. *

Requires {@link android.Manifest.permission#BLUETOOTH} to receive. */ - @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) - public static final String ACTION_DISCOVERY_STARTED = - "android.bluetooth.adapter.action.DISCOVERY_STARTED"; + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String + ACTION_DISCOVERY_STARTED = "android.bluetooth.adapter.action.DISCOVERY_STARTED"; /** * Broadcast Action: The local Bluetooth adapter has finished the device * discovery process. *

Requires {@link android.Manifest.permission#BLUETOOTH} to receive. */ - @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) - public static final String ACTION_DISCOVERY_FINISHED = - "android.bluetooth.adapter.action.DISCOVERY_FINISHED"; + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String + ACTION_DISCOVERY_FINISHED = "android.bluetooth.adapter.action.DISCOVERY_FINISHED"; /** * Broadcast Action: The local Bluetooth adapter has changed its friendly @@ -416,9 +413,8 @@ public final class BluetoothAdapter { * the name. *

Requires {@link android.Manifest.permission#BLUETOOTH} to receive. */ - @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) - public static final String ACTION_LOCAL_NAME_CHANGED = - "android.bluetooth.adapter.action.LOCAL_NAME_CHANGED"; + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String + ACTION_LOCAL_NAME_CHANGED = "android.bluetooth.adapter.action.LOCAL_NAME_CHANGED"; /** * Used as a String extra field in {@link #ACTION_LOCAL_NAME_CHANGED} * intents to request the local Bluetooth name. @@ -451,8 +447,8 @@ public final class BluetoothAdapter { * *

Requires {@link android.Manifest.permission#BLUETOOTH} to receive. */ - @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) - public static final String ACTION_CONNECTION_STATE_CHANGED = + @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) public static final String + ACTION_CONNECTION_STATE_CHANGED = "android.bluetooth.adapter.action.CONNECTION_STATE_CHANGED"; /** @@ -476,8 +472,7 @@ public final class BluetoothAdapter { * * @hide */ - @SystemApi - public static final String ACTION_BLE_STATE_CHANGED = + @SystemApi public static final String ACTION_BLE_STATE_CHANGED = "android.bluetooth.adapter.action.BLE_STATE_CHANGED"; /** @@ -574,8 +569,7 @@ public final class BluetoothAdapter { private final IBluetoothManager mManagerService; private IBluetooth mService; - private final ReentrantReadWriteLock mServiceLock = - new ReentrantReadWriteLock(); + private final ReentrantReadWriteLock mServiceLock = new ReentrantReadWriteLock(); private final Object mLock = new Object(); private final Map mLeScanClients; @@ -655,8 +649,9 @@ public final class BluetoothAdapter { if (address == null || address.length != 6) { throw new IllegalArgumentException("Bluetooth address must have 6 bytes"); } - return new BluetoothDevice(String.format(Locale.US, "%02X:%02X:%02X:%02X:%02X:%02X", - address[0], address[1], address[2], address[3], address[4], address[5])); + return new BluetoothDevice( + String.format(Locale.US, "%02X:%02X:%02X:%02X:%02X:%02X", address[0], address[1], + address[2], address[3], address[4], address[5])); } /** @@ -668,7 +663,9 @@ public final class BluetoothAdapter { * on this device before calling this method. */ public BluetoothLeAdvertiser getBluetoothLeAdvertiser() { - if (!getLeAccess()) return null; + if (!getLeAccess()) { + return null; + } synchronized (mLock) { if (sBluetoothLeAdvertiser == null) { sBluetoothLeAdvertiser = new BluetoothLeAdvertiser(mManagerService); @@ -698,8 +695,7 @@ public final class BluetoothAdapter { synchronized (mLock) { if (sPeriodicAdvertisingManager == null) { - sPeriodicAdvertisingManager = - new PeriodicAdvertisingManager(mManagerService); + sPeriodicAdvertisingManager = new PeriodicAdvertisingManager(mManagerService); } } return sPeriodicAdvertisingManager; @@ -709,7 +705,9 @@ public final class BluetoothAdapter { * Returns a {@link BluetoothLeScanner} object for Bluetooth LE scan operations. */ public BluetoothLeScanner getBluetoothLeScanner() { - if (!getLeAccess()) return null; + if (!getLeAccess()) { + return null; + } synchronized (mLock) { if (sBluetoothLeScanner == null) { sBluetoothLeScanner = new BluetoothLeScanner(mManagerService); @@ -729,7 +727,9 @@ public final class BluetoothAdapter { public boolean isEnabled() { try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isEnabled(); + if (mService != null) { + return mService.isEnabled(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -750,7 +750,9 @@ public final class BluetoothAdapter { @SystemApi public boolean isLeEnabled() { final int state = getLeState(); - if (DBG) Log.d(TAG, "isLeEnabled(): " + BluetoothAdapter.nameForState(state)); + if (DBG) { + Log.d(TAG, "isLeEnabled(): " + BluetoothAdapter.nameForState(state)); + } return (state == BluetoothAdapter.STATE_ON || state == BluetoothAdapter.STATE_BLE_ON); } @@ -781,12 +783,16 @@ public final class BluetoothAdapter { */ @SystemApi public boolean disableBLE() { - if (!isBleScanAlwaysAvailable()) return false; + if (!isBleScanAlwaysAvailable()) { + return false; + } int state = getLeState(); if (state == BluetoothAdapter.STATE_ON || state == BluetoothAdapter.STATE_BLE_ON) { String packageName = ActivityThread.currentPackageName(); - if (DBG) Log.d(TAG, "disableBLE(): de-registering " + packageName); + if (DBG) { + Log.d(TAG, "disableBLE(): de-registering " + packageName); + } try { mManagerService.updateBleAppCount(mToken, false, packageName); } catch (RemoteException e) { @@ -795,7 +801,9 @@ public final class BluetoothAdapter { return true; } - if (DBG) Log.d(TAG, "disableBLE(): Already disabled"); + if (DBG) { + Log.d(TAG, "disableBLE(): Already disabled"); + } return false; } @@ -832,16 +840,22 @@ public final class BluetoothAdapter { */ @SystemApi public boolean enableBLE() { - if (!isBleScanAlwaysAvailable()) return false; + if (!isBleScanAlwaysAvailable()) { + return false; + } try { String packageName = ActivityThread.currentPackageName(); mManagerService.updateBleAppCount(mToken, true, packageName); if (isLeEnabled()) { - if (DBG) Log.d(TAG, "enableBLE(): Bluetooth already enabled"); + if (DBG) { + Log.d(TAG, "enableBLE(): Bluetooth already enabled"); + } return true; } - if (DBG) Log.d(TAG, "enableBLE(): Calling enable"); + if (DBG) { + Log.d(TAG, "enableBLE(): Calling enable"); + } return mManagerService.enable(packageName); } catch (RemoteException e) { Log.e(TAG, "", e); @@ -877,19 +891,16 @@ public final class BluetoothAdapter { } // Consider all internal states as OFF - if (state == BluetoothAdapter.STATE_BLE_ON - || state == BluetoothAdapter.STATE_BLE_TURNING_ON + if (state == BluetoothAdapter.STATE_BLE_ON || state == BluetoothAdapter.STATE_BLE_TURNING_ON || state == BluetoothAdapter.STATE_BLE_TURNING_OFF) { if (VDBG) { - Log.d(TAG, - "Consider " + BluetoothAdapter.nameForState(state) + " state as OFF"); + Log.d(TAG, "Consider " + BluetoothAdapter.nameForState(state) + " state as OFF"); } state = BluetoothAdapter.STATE_OFF; } if (VDBG) { - Log.d(TAG, - "" + hashCode() + ": getState(). Returning " + BluetoothAdapter.nameForState( - state)); + Log.d(TAG, "" + hashCode() + ": getState(). Returning " + BluetoothAdapter.nameForState( + state)); } return state; } @@ -926,7 +937,9 @@ public final class BluetoothAdapter { mServiceLock.readLock().unlock(); } - if (VDBG) Log.d(TAG, "getLeState() returning " + BluetoothAdapter.nameForState(state)); + if (VDBG) { + Log.d(TAG, "getLeState() returning " + BluetoothAdapter.nameForState(state)); + } return state; } @@ -967,7 +980,9 @@ public final class BluetoothAdapter { @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) public boolean enable() { if (isEnabled()) { - if (DBG) Log.d(TAG, "enable(): BT already enabled!"); + if (DBG) { + Log.d(TAG, "enable(): BT already enabled!"); + } return true; } try { @@ -1093,10 +1108,14 @@ public final class BluetoothAdapter { * @hide */ public ParcelUuid[] getUuids() { - if (getState() != STATE_ON) return null; + if (getState() != STATE_ON) { + return null; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.getUuids(); + if (mService != null) { + return mService.getUuids(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1121,10 +1140,14 @@ public final class BluetoothAdapter { */ @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) public boolean setName(String name) { - if (getState() != STATE_ON) return false; + if (getState() != STATE_ON) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.setName(name); + if (mService != null) { + return mService.setName(name); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1143,10 +1166,14 @@ public final class BluetoothAdapter { */ @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) public BluetoothClass getBluetoothClass() { - if (getState() != STATE_ON) return null; + if (getState() != STATE_ON) { + return null; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.getBluetoothClass(); + if (mService != null) { + return mService.getBluetoothClass(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1168,10 +1195,14 @@ public final class BluetoothAdapter { */ @RequiresPermission(Manifest.permission.BLUETOOTH_PRIVILEGED) public boolean setBluetoothClass(BluetoothClass bluetoothClass) { - if (getState() != STATE_ON) return false; + if (getState() != STATE_ON) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.setBluetoothClass(bluetoothClass); + if (mService != null) { + return mService.setBluetoothClass(bluetoothClass); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1198,10 +1229,14 @@ public final class BluetoothAdapter { @RequiresPermission(Manifest.permission.BLUETOOTH) @ScanMode public int getScanMode() { - if (getState() != STATE_ON) return SCAN_MODE_NONE; + if (getState() != STATE_ON) { + return SCAN_MODE_NONE; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.getScanMode(); + if (mService != null) { + return mService.getScanMode(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1239,10 +1274,14 @@ public final class BluetoothAdapter { * @hide */ public boolean setScanMode(@ScanMode int mode, int duration) { - if (getState() != STATE_ON) return false; + if (getState() != STATE_ON) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.setScanMode(mode, duration); + if (mService != null) { + return mService.setScanMode(mode, duration); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1253,17 +1292,23 @@ public final class BluetoothAdapter { /** @hide */ public boolean setScanMode(int mode) { - if (getState() != STATE_ON) return false; + if (getState() != STATE_ON) { + return false; + } /* getDiscoverableTimeout() to use the latest from NV than use 0 */ return setScanMode(mode, getDiscoverableTimeout()); } /** @hide */ public int getDiscoverableTimeout() { - if (getState() != STATE_ON) return -1; + if (getState() != STATE_ON) { + return -1; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.getDiscoverableTimeout(); + if (mService != null) { + return mService.getDiscoverableTimeout(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1274,10 +1319,14 @@ public final class BluetoothAdapter { /** @hide */ public void setDiscoverableTimeout(int timeout) { - if (getState() != STATE_ON) return; + if (getState() != STATE_ON) { + return; + } try { mServiceLock.readLock().lock(); - if (mService != null) mService.setDiscoverableTimeout(timeout); + if (mService != null) { + mService.setDiscoverableTimeout(timeout); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1296,7 +1345,9 @@ public final class BluetoothAdapter { public long getDiscoveryEndMillis() { try { mServiceLock.readLock().lock(); - if (mService != null) return mService.getDiscoveryEndMillis(); + if (mService != null) { + return mService.getDiscoveryEndMillis(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1336,10 +1387,14 @@ public final class BluetoothAdapter { */ @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) public boolean startDiscovery() { - if (getState() != STATE_ON) return false; + if (getState() != STATE_ON) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.startDiscovery(); + if (mService != null) { + return mService.startDiscovery(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1366,10 +1421,14 @@ public final class BluetoothAdapter { */ @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) public boolean cancelDiscovery() { - if (getState() != STATE_ON) return false; + if (getState() != STATE_ON) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.cancelDiscovery(); + if (mService != null) { + return mService.cancelDiscovery(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1398,10 +1457,14 @@ public final class BluetoothAdapter { */ @RequiresPermission(Manifest.permission.BLUETOOTH) public boolean isDiscovering() { - if (getState() != STATE_ON) return false; + if (getState() != STATE_ON) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isDiscovering(); + if (mService != null) { + return mService.isDiscovering(); + } } catch (RemoteException e) { Log.e(TAG, "", e); } finally { @@ -1416,10 +1479,14 @@ public final class BluetoothAdapter { * @return true if Multiple Advertisement feature is supported */ public boolean isMultipleAdvertisementSupported() { - if (getState() != STATE_ON) return false; + if (getState() != STATE_ON) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isMultiAdvertisementSupported(); + if (mService != null) { + return mService.isMultiAdvertisementSupported(); + } } catch (RemoteException e) { Log.e(TAG, "failed to get isMultipleAdvertisementSupported, error: ", e); } finally { @@ -1454,10 +1521,14 @@ public final class BluetoothAdapter { * @return true if chipset supports on-chip filtering */ public boolean isOffloadedFilteringSupported() { - if (!getLeAccess()) return false; + if (!getLeAccess()) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isOffloadedFilteringSupported(); + if (mService != null) { + return mService.isOffloadedFilteringSupported(); + } } catch (RemoteException e) { Log.e(TAG, "failed to get isOffloadedFilteringSupported, error: ", e); } finally { @@ -1472,10 +1543,14 @@ public final class BluetoothAdapter { * @return true if chipset supports on-chip scan batching */ public boolean isOffloadedScanBatchingSupported() { - if (!getLeAccess()) return false; + if (!getLeAccess()) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isOffloadedScanBatchingSupported(); + if (mService != null) { + return mService.isOffloadedScanBatchingSupported(); + } } catch (RemoteException e) { Log.e(TAG, "failed to get isOffloadedScanBatchingSupported, error: ", e); } finally { @@ -1490,10 +1565,14 @@ public final class BluetoothAdapter { * @return true if chipset supports LE 2M PHY feature */ public boolean isLe2MPhySupported() { - if (!getLeAccess()) return false; + if (!getLeAccess()) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isLe2MPhySupported(); + if (mService != null) { + return mService.isLe2MPhySupported(); + } } catch (RemoteException e) { Log.e(TAG, "failed to get isExtendedAdvertisingSupported, error: ", e); } finally { @@ -1508,10 +1587,14 @@ public final class BluetoothAdapter { * @return true if chipset supports LE Coded PHY feature */ public boolean isLeCodedPhySupported() { - if (!getLeAccess()) return false; + if (!getLeAccess()) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isLeCodedPhySupported(); + if (mService != null) { + return mService.isLeCodedPhySupported(); + } } catch (RemoteException e) { Log.e(TAG, "failed to get isLeCodedPhySupported, error: ", e); } finally { @@ -1526,10 +1609,14 @@ public final class BluetoothAdapter { * @return true if chipset supports LE Extended Advertising feature */ public boolean isLeExtendedAdvertisingSupported() { - if (!getLeAccess()) return false; + if (!getLeAccess()) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isLeExtendedAdvertisingSupported(); + if (mService != null) { + return mService.isLeExtendedAdvertisingSupported(); + } } catch (RemoteException e) { Log.e(TAG, "failed to get isLeExtendedAdvertisingSupported, error: ", e); } finally { @@ -1544,10 +1631,14 @@ public final class BluetoothAdapter { * @return true if chipset supports LE Periodic Advertising feature */ public boolean isLePeriodicAdvertisingSupported() { - if (!getLeAccess()) return false; + if (!getLeAccess()) { + return false; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.isLePeriodicAdvertisingSupported(); + if (mService != null) { + return mService.isLePeriodicAdvertisingSupported(); + } } catch (RemoteException e) { Log.e(TAG, "failed to get isLePeriodicAdvertisingSupported, error: ", e); } finally { @@ -1563,10 +1654,14 @@ public final class BluetoothAdapter { * @return the maximum LE advertising data length. */ public int getLeMaximumAdvertisingDataLength() { - if (!getLeAccess()) return 0; + if (!getLeAccess()) { + return 0; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.getLeMaximumAdvertisingDataLength(); + if (mService != null) { + return mService.getLeMaximumAdvertisingDataLength(); + } } catch (RemoteException e) { Log.e(TAG, "failed to get getLeMaximumAdvertisingDataLength, error: ", e); } finally { @@ -1582,7 +1677,9 @@ public final class BluetoothAdapter { * @hide */ public boolean isHardwareTrackingFiltersAvailable() { - if (!getLeAccess()) return false; + if (!getLeAccess()) { + return false; + } try { IBluetoothGatt iGatt = mManagerService.getBluetoothGatt(); if (iGatt == null) { @@ -1669,7 +1766,9 @@ public final class BluetoothAdapter { } try { mServiceLock.readLock().lock(); - if (mService != null) return toDeviceSet(mService.getBondedDevices()); + if (mService != null) { + return toDeviceSet(mService.getBondedDevices()); + } return toDeviceSet(new BluetoothDevice[0]); } catch (RemoteException e) { Log.e(TAG, "", e); @@ -1723,10 +1822,14 @@ public final class BluetoothAdapter { * @hide */ public int getConnectionState() { - if (getState() != STATE_ON) return BluetoothAdapter.STATE_DISCONNECTED; + if (getState() != STATE_ON) { + return BluetoothAdapter.STATE_DISCONNECTED; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.getAdapterConnectionState(); + if (mService != null) { + return mService.getAdapterConnectionState(); + } } catch (RemoteException e) { Log.e(TAG, "getConnectionState:", e); } finally { @@ -1750,10 +1853,14 @@ public final class BluetoothAdapter { */ @RequiresPermission(Manifest.permission.BLUETOOTH) public int getProfileConnectionState(int profile) { - if (getState() != STATE_ON) return BluetoothProfile.STATE_DISCONNECTED; + if (getState() != STATE_ON) { + return BluetoothProfile.STATE_DISCONNECTED; + } try { mServiceLock.readLock().lock(); - if (mService != null) return mService.getProfileConnectionState(profile); + if (mService != null) { + return mService.getProfileConnectionState(profile); + } } catch (RemoteException e) { Log.e(TAG, "getProfileConnectionState:", e); } finally { @@ -1790,7 +1897,7 @@ public final class BluetoothAdapter { *

Valid RFCOMM channels are in range 1 to 30. *

Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} *

To auto assign a channel without creating a SDP record use - * {@link SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as channel number. + * {@link #SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as channel number. * * @param channel RFCOMM channel to listen on * @param mitm enforce man-in-the-middle protection for authentication. @@ -1802,10 +1909,10 @@ public final class BluetoothAdapter { * @hide */ public BluetoothServerSocket listenUsingRfcommOn(int channel, boolean mitm, - boolean min16DigitPin) - throws IOException { - BluetoothServerSocket socket = new BluetoothServerSocket( - BluetoothSocket.TYPE_RFCOMM, true, true, channel, mitm, min16DigitPin); + boolean min16DigitPin) throws IOException { + BluetoothServerSocket socket = + new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, true, true, channel, mitm, + min16DigitPin); int errno = socket.mSocket.bindListen(); if (channel == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { socket.setChannel(socket.mSocket.getPort()); @@ -1913,8 +2020,8 @@ public final class BluetoothAdapter { * permissions, or channel in use. * @hide */ - public BluetoothServerSocket listenUsingEncryptedRfcommWithServiceRecord( - String name, UUID uuid) throws IOException { + public BluetoothServerSocket listenUsingEncryptedRfcommWithServiceRecord(String name, UUID uuid) + throws IOException { return createNewRfcommSocketAndRecord(name, uuid, false, true); } @@ -1922,8 +2029,8 @@ public final class BluetoothAdapter { private BluetoothServerSocket createNewRfcommSocketAndRecord(String name, UUID uuid, boolean auth, boolean encrypt) throws IOException { BluetoothServerSocket socket; - socket = new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, auth, - encrypt, new ParcelUuid(uuid)); + socket = new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, auth, encrypt, + new ParcelUuid(uuid)); socket.setServiceName(name); int errno = socket.mSocket.bindListen(); if (errno != 0) { @@ -1945,8 +2052,8 @@ public final class BluetoothAdapter { * @hide */ public BluetoothServerSocket listenUsingInsecureRfcommOn(int port) throws IOException { - BluetoothServerSocket socket = new BluetoothServerSocket( - BluetoothSocket.TYPE_RFCOMM, false, false, port); + BluetoothServerSocket socket = + new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, false, false, port); int errno = socket.mSocket.bindListen(); if (port == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { socket.setChannel(socket.mSocket.getPort()); @@ -1969,10 +2076,9 @@ public final class BluetoothAdapter { * permissions. * @hide */ - public BluetoothServerSocket listenUsingEncryptedRfcommOn(int port) - throws IOException { - BluetoothServerSocket socket = new BluetoothServerSocket( - BluetoothSocket.TYPE_RFCOMM, false, true, port); + public BluetoothServerSocket listenUsingEncryptedRfcommOn(int port) throws IOException { + BluetoothServerSocket socket = + new BluetoothServerSocket(BluetoothSocket.TYPE_RFCOMM, false, true, port); int errno = socket.mSocket.bindListen(); if (port == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { socket.setChannel(socket.mSocket.getPort()); @@ -1996,8 +2102,8 @@ public final class BluetoothAdapter { * @hide */ public static BluetoothServerSocket listenUsingScoOn() throws IOException { - BluetoothServerSocket socket = new BluetoothServerSocket( - BluetoothSocket.TYPE_SCO, false, false, -1); + BluetoothServerSocket socket = + new BluetoothServerSocket(BluetoothSocket.TYPE_SCO, false, false, -1); int errno = socket.mSocket.bindListen(); if (errno < 0) { //TODO(BT): Throw the same exception error code @@ -2011,7 +2117,7 @@ public final class BluetoothAdapter { * Construct an encrypted, authenticated, L2CAP server socket. * Call #accept to retrieve connections to this socket. *

To auto assign a port without creating a SDP record use - * {@link SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. + * {@link #SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. * * @param port the PSM to listen on * @param mitm enforce man-in-the-middle protection for authentication. @@ -2024,8 +2130,9 @@ public final class BluetoothAdapter { */ public BluetoothServerSocket listenUsingL2capOn(int port, boolean mitm, boolean min16DigitPin) throws IOException { - BluetoothServerSocket socket = new BluetoothServerSocket( - BluetoothSocket.TYPE_L2CAP, true, true, port, mitm, min16DigitPin); + BluetoothServerSocket socket = + new BluetoothServerSocket(BluetoothSocket.TYPE_L2CAP, true, true, port, mitm, + min16DigitPin); int errno = socket.mSocket.bindListen(); if (port == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { socket.setChannel(socket.mSocket.getPort()); @@ -2043,7 +2150,7 @@ public final class BluetoothAdapter { * Construct an encrypted, authenticated, L2CAP server socket. * Call #accept to retrieve connections to this socket. *

To auto assign a port without creating a SDP record use - * {@link SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. + * {@link #SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. * * @param port the PSM to listen on * @return An L2CAP BluetoothServerSocket @@ -2060,7 +2167,7 @@ public final class BluetoothAdapter { * Construct an insecure L2CAP server socket. * Call #accept to retrieve connections to this socket. *

To auto assign a port without creating a SDP record use - * {@link SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. + * {@link #SOCKET_CHANNEL_AUTO_STATIC_NO_SDP} as port number. * * @param port the PSM to listen on * @return An L2CAP BluetoothServerSocket @@ -2069,8 +2176,9 @@ public final class BluetoothAdapter { * @hide */ public BluetoothServerSocket listenUsingInsecureL2capOn(int port) throws IOException { - BluetoothServerSocket socket = new BluetoothServerSocket( - BluetoothSocket.TYPE_L2CAP, false, false, port, false, false); + BluetoothServerSocket socket = + new BluetoothServerSocket(BluetoothSocket.TYPE_L2CAP, false, false, port, false, + false); int errno = socket.mSocket.bindListen(); if (port == SOCKET_CHANNEL_AUTO_STATIC_NO_SDP) { socket.setChannel(socket.mSocket.getPort()); @@ -2114,7 +2222,9 @@ public final class BluetoothAdapter { */ public boolean getProfileProxy(Context context, BluetoothProfile.ServiceListener listener, int profile) { - if (context == null || listener == null) return false; + if (context == null || listener == null) { + return false; + } if (profile == BluetoothProfile.HEADSET) { BluetoothHeadset headset = new BluetoothHeadset(context, listener); @@ -2172,7 +2282,9 @@ public final class BluetoothAdapter { * @param proxy Profile proxy object */ public void closeProfileProxy(int profile, BluetoothProfile proxy) { - if (proxy == null) return; + if (proxy == null) { + return; + } switch (profile) { case BluetoothProfile.HEADSET: @@ -2241,7 +2353,9 @@ public final class BluetoothAdapter { private final IBluetoothManagerCallback mManagerCallback = new IBluetoothManagerCallback.Stub() { public void onBluetoothServiceUp(IBluetooth bluetoothService) { - if (DBG) Log.d(TAG, "onBluetoothServiceUp: " + bluetoothService); + if (DBG) { + Log.d(TAG, "onBluetoothServiceUp: " + bluetoothService); + } mServiceLock.writeLock().lock(); mService = bluetoothService; @@ -2263,14 +2377,22 @@ public final class BluetoothAdapter { } public void onBluetoothServiceDown() { - if (DBG) Log.d(TAG, "onBluetoothServiceDown: " + mService); + if (DBG) { + Log.d(TAG, "onBluetoothServiceDown: " + mService); + } try { mServiceLock.writeLock().lock(); mService = null; - if (mLeScanClients != null) mLeScanClients.clear(); - if (sBluetoothLeAdvertiser != null) sBluetoothLeAdvertiser.cleanup(); - if (sBluetoothLeScanner != null) sBluetoothLeScanner.cleanup(); + if (mLeScanClients != null) { + mLeScanClients.clear(); + } + if (sBluetoothLeAdvertiser != null) { + sBluetoothLeAdvertiser.cleanup(); + } + if (sBluetoothLeScanner != null) { + sBluetoothLeScanner.cleanup(); + } } finally { mServiceLock.writeLock().unlock(); } @@ -2291,7 +2413,9 @@ public final class BluetoothAdapter { } public void onBrEdrDown() { - if (VDBG) Log.i(TAG, "onBrEdrDown: " + mService); + if (VDBG) { + Log.i(TAG, "onBrEdrDown: " + mService); + } } }; @@ -2303,7 +2427,9 @@ public final class BluetoothAdapter { */ public boolean enableNoAutoConnect() { if (isEnabled()) { - if (DBG) Log.d(TAG, "enableNoAutoConnect(): BT already enabled!"); + if (DBG) { + Log.d(TAG, "enableNoAutoConnect(): BT already enabled!"); + } return true; } try { @@ -2352,7 +2478,10 @@ public final class BluetoothAdapter { * @hide */ public interface BluetoothStateChangeCallback { - public void onBluetoothStateChange(boolean on); + /** + * @hide + */ + void onBluetoothStateChange(boolean on); } /** @@ -2361,8 +2490,7 @@ public final class BluetoothAdapter { public class StateChangeCallbackWrapper extends IBluetoothStateChangeCallback.Stub { private BluetoothStateChangeCallback mCallback; - StateChangeCallbackWrapper(BluetoothStateChangeCallback - callback) { + StateChangeCallbackWrapper(BluetoothStateChangeCallback callback) { mCallback = callback; } @@ -2459,7 +2587,7 @@ public final class BluetoothAdapter { * if no RSSI value is available. * @param scanRecord The content of the advertisement record offered by the remote device. */ - public void onLeScan(BluetoothDevice device, int rssi, byte[] scanRecord); + void onLeScan(BluetoothDevice device, int rssi, byte[] scanRecord); } /** @@ -2495,20 +2623,28 @@ public final class BluetoothAdapter { @Deprecated @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) public boolean startLeScan(final UUID[] serviceUuids, final LeScanCallback callback) { - if (DBG) Log.d(TAG, "startLeScan(): " + Arrays.toString(serviceUuids)); + if (DBG) { + Log.d(TAG, "startLeScan(): " + Arrays.toString(serviceUuids)); + } if (callback == null) { - if (DBG) Log.e(TAG, "startLeScan: null callback"); + if (DBG) { + Log.e(TAG, "startLeScan: null callback"); + } return false; } BluetoothLeScanner scanner = getBluetoothLeScanner(); if (scanner == null) { - if (DBG) Log.e(TAG, "startLeScan: cannot get BluetoothLeScanner"); + if (DBG) { + Log.e(TAG, "startLeScan: cannot get BluetoothLeScanner"); + } return false; } synchronized (mLeScanClients) { if (mLeScanClients.containsKey(callback)) { - if (DBG) Log.e(TAG, "LE Scan has already started"); + if (DBG) { + Log.e(TAG, "LE Scan has already started"); + } return false; } @@ -2538,7 +2674,9 @@ public final class BluetoothAdapter { } List scanServiceUuids = scanRecord.getServiceUuids(); if (scanServiceUuids == null || !scanServiceUuids.containsAll(uuids)) { - if (DBG) Log.d(TAG, "uuids does not match"); + if (DBG) { + Log.d(TAG, "uuids does not match"); + } return; } } @@ -2546,16 +2684,18 @@ public final class BluetoothAdapter { scanRecord.getBytes()); } }; - ScanSettings settings = new ScanSettings.Builder() - .setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES) - .setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY).build(); + ScanSettings settings = new ScanSettings.Builder().setCallbackType( + ScanSettings.CALLBACK_TYPE_ALL_MATCHES) + .setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY) + .build(); List filters = new ArrayList(); if (serviceUuids != null && serviceUuids.length > 0) { // Note scan filter does not support matching an UUID array so we put one // UUID to hardware and match the whole array in callback. - ScanFilter filter = new ScanFilter.Builder().setServiceUuid( - new ParcelUuid(serviceUuids[0])).build(); + ScanFilter filter = + new ScanFilter.Builder().setServiceUuid(new ParcelUuid(serviceUuids[0])) + .build(); filters.add(filter); } scanner.startScan(filters, settings, scanCallback); @@ -2580,7 +2720,9 @@ public final class BluetoothAdapter { @Deprecated @RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN) public void stopLeScan(LeScanCallback callback) { - if (DBG) Log.d(TAG, "stopLeScan()"); + if (DBG) { + Log.d(TAG, "stopLeScan()"); + } BluetoothLeScanner scanner = getBluetoothLeScanner(); if (scanner == null) { return; @@ -2588,7 +2730,9 @@ public final class BluetoothAdapter { synchronized (mLeScanClients) { ScanCallback scanCallback = mLeScanClients.remove(callback); if (scanCallback == null) { - if (DBG) Log.d(TAG, "scan not started yet"); + if (DBG) { + Log.d(TAG, "scan not started yet"); + } return; } scanner.stopScan(scanCallback);