public synchronized void onScanningStateChanged(boolean started) {
// If starting a new scan, clear old visibility
// Iterate in reverse order since devices may be removed.
for (int i = mCachedDevices.size() - 1; i >= 0; i--) {
CachedBluetoothDevice cachedDevice = mCachedDevices.get(i);
if (started) {
cachedDevice.setVisible(false);
} else if (!started
&& cachedDevice.getBondState() == BluetoothDevice.BOND_NONE
&& cachedDevice.isRemovable()) {
mCachedDevices.remove(cachedDevice);
}
}
}
public synchronized void onBluetoothStateChanged(int bluetoothState) {
// When Bluetooth is turning off, we need to clear the non-bonded devices
// Otherwise, they end up showing up on the next BT enable
if (bluetoothState == BluetoothAdapter.STATE_TURNING_OFF) {
for (int i = mCachedDevices.size() - 1; i >= 0; i--) {
CachedBluetoothDevice cachedDevice = mCachedDevices.get(i);
if (cachedDevice.getBondState() != BluetoothDevice.BOND_BONDED) {
cachedDevice.setVisible(false);
mCachedDevices.remove(i);
} else {
// For bonded devices, we need to clear the connection status so that
// when BT is enabled next time, device connection status shall be retrieved
// by making a binder call.
cachedDevice.clearProfileConnectionState();
}
}
}
}
public static boolean onDeviceDisappeared(CachedBluetoothDevice cachedDevice) {
cachedDevice.setVisible(false);
return cachedDevice.getBondState() == BluetoothDevice.BOND_NONE;
}