MainActivity.java 文件源码

private void startScan() {
    BluetoothLeScanner bluetoothScanner = bluetoothAdapter.getBluetoothLeScanner();
    ScanFilter.Builder builder = new ScanFilter.Builder();      
    Vector<ScanFilter> filter = new Vector<ScanFilter>();
    filter.add(builder.build());
    ScanSettings.Builder builderScanSettings = new ScanSettings.Builder();      
    builderScanSettings.setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY);
    builderScanSettings.setReportDelay(0);
    bluetoothScanner.startScan(filter, builderScanSettings.build(), leScanCallback);
}