LollipopBleScanner.java 文件源码

@Override
public void startScan(List<ScanFilter> filters, @NonNull ScanSettings settings, @NonNull ScanCallback callback) {
    ScannerUtils.throwOnAdaptorNotEnabled(bluetoothAdapter);
    final BluetoothLeScanner nativeScanner = getNativeScannerOrThrow();

    throwIfCallbackInUse(callback);

    ScanCallbackHolder holder = new ScanCallbackHolder(callback,settings,filters);
    callbackHolderMap.put(callback,holder);
    nativeScanner.startScan(holder.getNativeFilters(), holder.getNativeScanSettings(), holder.getNativeCallback());
}