/**
* Get battery usage hint for Bluetooth Headset service. This is a monotonically increasing
* integer. Wraps to 0 at Integer.MAX_INT, and at boot. Current implementation returns the number
* of AT commands handled since boot. This is a good indicator for spammy headset/handsfree units
* that can keep the device awake by polling for cellular status updates. As a rule of thumb, each
* AT command prevents the CPU from sleeping for 500 ms
*
* @param device the bluetooth headset.
* @return monotonically increasing battery usage hint, or a negative error code on error
* @hide
*/
public int getBatteryUsageHint(BluetoothDevice device) {
if (DBG) log("getBatteryUsageHint()");
if (mService != null && isEnabled() && isValidDevice(device)) {
try {
return mService.getBatteryUsageHint(device);
} catch (RemoteException e) {
Log.e(TAG, Log.getStackTraceString(new Throwable()));
}
}
if (mService == null) Log.w(TAG, "Proxy not attached to service");
return -1;
}
/**
* Check if Bluetooth SCO audio is connected.
*
* <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission.
*
* @param device Bluetooth headset
* @return true if SCO is connected, false otherwise or on error
*/
public boolean isAudioConnected(BluetoothDevice device) {
if (DBG) log("isAudioConnected()");
if (mService != null && isEnabled() && isValidDevice(device)) {
try {
return mService.isAudioConnected(device);
} catch (RemoteException e) {
Log.e(TAG, Log.getStackTraceString(new Throwable()));
}
}
if (mService == null) Log.w(TAG, "Proxy not attached to service");
return false;
}
/**
* Get the priority of the profile.
*
* <p>The priority can be any of: {@link #PRIORITY_AUTO_CONNECT}, {@link #PRIORITY_OFF}, {@link
* #PRIORITY_ON}, {@link #PRIORITY_UNDEFINED}
*
* <p>Requires {@link android.Manifest.permission#BLUETOOTH} permission.
*
* @param device Bluetooth device
* @return priority of the device
* @hide
*/
public int getPriority(BluetoothDevice device) {
if (DBG) log("getPriority(" + device + ")");
if (mService != null && isEnabled() && isValidDevice(device)) {
try {
return mService.getPriority(device);
} catch (RemoteException e) {
Log.e(TAG, Log.getStackTraceString(new Throwable()));
return PRIORITY_OFF;
}
}
if (mService == null) Log.w(TAG, "Proxy not attached to service");
return PRIORITY_OFF;
}
/** {@inheritDoc} */
public int getConnectionState(BluetoothDevice device) {
if (DBG) log("getConnectionState(" + device + ")");
if (mService != null && isEnabled() && isValidDevice(device)) {
try {
return mService.getConnectionState(device);
} catch (RemoteException e) {
Log.e(TAG, Log.getStackTraceString(new Throwable()));
return BluetoothProfile.STATE_DISCONNECTED;
}
}
if (mService == null) Log.w(TAG, "Proxy not attached to service");
return BluetoothProfile.STATE_DISCONNECTED;
}
/** {@inheritDoc} */
public List<BluetoothDevice> getDevicesMatchingConnectionStates(int[] states) {
if (DBG) log("getDevicesMatchingStates()");
if (mService != null && isEnabled()) {
try {
return mService.getDevicesMatchingConnectionStates(states);
} catch (RemoteException e) {
Log.e(TAG, Log.getStackTraceString(new Throwable()));
return new ArrayList<BluetoothDevice>();
}
}
if (mService == null) Log.w(TAG, "Proxy not attached to service");
return new ArrayList<BluetoothDevice>();
}
/**
* Terminates an ongoing SCO connection and the associated virtual call.
*
* @param device Remote Bluetooth Device
* @return true if successful, false if there was some error.
* @hide
*/
public boolean stopScoUsingVirtualVoiceCall(BluetoothDevice device) {
if (DBG) log("stopScoUsingVirtualVoiceCall()");
if (mService != null && isEnabled() && isValidDevice(device)) {
try {
return mService.stopScoUsingVirtualVoiceCall(device);
} catch (RemoteException e) {
Log.e(TAG, e.toString());
}
} else {
Log.w(TAG, "Proxy not attached to service");
if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
}
return false;
}
/**
* Get the current audio state of the Headset. Note: This is an internal function and shouldn't be
* exposed
*
* @hide
*/
public int getAudioState(BluetoothDevice device) {
if (DBG) log("getAudioState");
if (mService != null && !isDisabled()) {
try {
return mService.getAudioState(device);
} catch (RemoteException e) {
Log.e(TAG, e.toString());
}
} else {
Log.w(TAG, "Proxy not attached to service");
if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
}
return BluetoothHeadset.STATE_AUDIO_DISCONNECTED;
}
/**
* Set the audio state of the Headset. Note: This is an internal function and shouldn't be exposed
*
* @hide
*/
public boolean setAudioState(BluetoothDevice device, int state) {
if (DBG) log("setAudioState");
if (mService != null && !isDisabled()) {
try {
return mService.setAudioState(device, state);
} catch (RemoteException e) {
Log.e(TAG, e.toString());
}
} else {
Log.w(TAG, "Proxy not attached to service");
if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
}
return false;
}
/**
* Disconnect a Bluetooth Headset. Note: This is an internal function and shouldn't be exposed
*
* @hide
*/
public boolean disconnectHeadsetInternal(BluetoothDevice device) {
if (DBG) log("disconnectHeadsetInternal");
if (mService != null && !isDisabled()) {
try {
return mService.disconnectHeadsetInternal(device);
} catch (RemoteException e) {
Log.e(TAG, e.toString());
}
} else {
Log.w(TAG, "Proxy not attached to service");
if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
}
return false;
}
/**
* Reject the incoming connection.
*
* @hide
*/
public boolean rejectIncomingConnect(BluetoothDevice device) {
if (DBG) log("rejectIncomingConnect");
if (mService != null) {
try {
return mService.rejectIncomingConnect(device);
} catch (RemoteException e) {
Log.e(TAG, e.toString());
}
} else {
Log.w(TAG, "Proxy not attached to service");
if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
}
return false;
}
/**
* Cancel the outgoing connection. Note: This is an internal function and shouldn't be exposed
*
* @hide
*/
public boolean cancelConnectThread() {
if (DBG) log("cancelConnectThread");
if (mService != null && isEnabled()) {
try {
return mService.cancelConnectThread();
} catch (RemoteException e) {
Log.e(TAG, e.toString());
}
} else {
Log.w(TAG, "Proxy not attached to service");
if (DBG) Log.d(TAG, Log.getStackTraceString(new Throwable()));
}
return false;
}
/**
* Set priority of the profile
*
* <p>The device should already be paired. Priority can be one of {@link #PRIORITY_ON} or {@link
* #PRIORITY_OFF},
*
* <p>Requires {@link android.Manifest.permission#BLUETOOTH_ADMIN} permission.
*
* @param device Paired bluetooth device
* @param priority
* @return true if priority is set, false on error
* @hide
*/
public boolean setPriority(BluetoothDevice device, int priority) {
if (DBG) log("setPriority(" + device + ", " + priority + ")");
if (mService != null && isEnabled() && isValidDevice(device)) {
if (priority != BluetoothProfile.PRIORITY_OFF && priority != BluetoothProfile.PRIORITY_ON) {
return false;
}
try {
return mService.setPriority(device, priority);
} catch (RemoteException e) {
Log.e(TAG, Log.getStackTraceString(new Throwable()));
return false;
}
}
if (mService == null) Log.w(TAG, "Proxy not attached to service");
return false;
}
