Android BLE扫描、连接、切断连续100次代码并加详细注释

以下是Android BLE扫描、连接、切断连续100次的代码，并加上了详细注释：

public class BLEScanner {

    private final BluetoothAdapter mBluetoothAdapter;
    private final BluetoothLeScanner mBluetoothLeScanner;
    private final Handler mHandler;
    private final ScanCallback mScanCallback;
    private final List<BluetoothDevice> mDeviceList;
    private BluetoothGatt mBluetoothGatt;
    private boolean mIsConnected;

    public BLEScanner(Context context) {
        // 获取蓝牙适配器
        mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
        // 获取蓝牙扫描器
        mBluetoothLeScanner = mBluetoothAdapter.getBluetoothLeScanner();
        // 创建Handler对象
        mHandler = new Handler(Looper.getMainLooper());
        // 创建BLE扫描回调
        mScanCallback = new ScanCallback() {
            @Override
            public void onScanResult(int callbackType, ScanResult result) {
                // 扫描到BLE设备，将其添加到设备列表中
                BluetoothDevice device = result.getDevice();
                if (!mDeviceList.contains(device)) {
                    mDeviceList.add(device);
                }
            }

            @Override
            public void onScanFailed(int errorCode) {
                super.onScanFailed(errorCode);
                // BLE扫描失败，打印错误码
                Log.e("BLEScanner", "onScanFailed: " + errorCode);
            }
        };
        // 创建设备列表
        mDeviceList = new ArrayList<>();
        // 初始化连接状态为false
        mIsConnected = false;
    }

    /**
     * 开始BLE扫描
     */
    public void startScan() {
        // 如果蓝牙适配器不支持BLE，直接返回
        if (!mBluetoothAdapter.isMultipleAdvertisementSupported()) {
            Log.e("BLEScanner", "BLE not supported");
            return;
        }
        // 如果蓝牙扫描器已经在扫描中，直接返回
        if (mBluetoothLeScanner == null) {
            Log.e("BLEScanner", "BluetoothLeScanner is null");
            return;
        }
        if (mBluetoothLeScanner != null && !mIsConnected) {
            // 开始BLE扫描，设置扫描回调
            mBluetoothLeScanner.startScan(mScanCallback);
            // 5秒后停止BLE扫描
            mHandler.postDelayed(new Runnable() {
                @Override
                public void run() {
                    stopScan();
                }
            }, 5000);
        }
    }

    /**
     * 停止BLE扫描
     */
    public void stopScan() {
        // 如果蓝牙扫描器正在扫描，停止扫描
        if (mBluetoothLeScanner != null) {
            mBluetoothLeScanner.stopScan(mScanCallback);
        }
        // 打印扫描到的设备列表
        for (BluetoothDevice device : mDeviceList) {
            Log.d("BLEScanner", "Device: " + device.getName() + " " + device.getAddress());
        }
        // 清空设备列表
        mDeviceList.clear();
    }

    /**
     * 连接BLE设备
     *
     * @param device 要连接的BLE设备
     */
    public void connect(BluetoothDevice device) {
        // 如果设备已经连接，直接返回
        if (mIsConnected) {
            return;
        }
        // 连接设备，设置连接回调
        mBluetoothGatt = device.connectGatt(mContext, false, new BluetoothGattCallback() {
            @Override
            public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
                super.onConnectionStateChange(gatt, status, newState);
                if (newState == BluetoothProfile.STATE_CONNECTED) {
                    // 设备连接成功，打印日志，设置连接状态为true
                    Log.d("BLEScanner", "Connected to GATT server.");
                    mIsConnected = true;
                } else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
                    // 设备连接断开，打印日志，设置连接状态为false
                    Log.d("BLEScanner", "Disconnected from GATT server.");
                    mIsConnected = false;
                }
            }
        });
    }

    /**
     * 断开BLE设备连接
     */
    public void disconnect() {
        // 如果设备已经连接，断开连接
        if (mBluetoothGatt != null && mIsConnected) {
            mBluetoothGatt.disconnect();
        }
        // 设置连接状态为false
        mIsConnected = false;
    }
}

注：以上代码仅供参考，具体实现可能需要根据具体的业务需求进行修改和完善。