Lung-Yu,Tsai 的部落格

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public class BleManagement {
    private Context context;

    private Handler mHandler;
    private BluetoothManager bluetoothManager;
    private BluetoothAdapter mBluetoothAdapter;
    private static final long SCAN_PERIOD = 10000; //10 seconds

    private BluetoothAdapter.LeScanCallback leScanCallback;

    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
    public BleManagement(Context context){
        this.context = context;
        this.mHandler = new Handler();

        initble();
    }

    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
    public BleManagement(Context context, BluetoothAdapter.LeScanCallback LeScanCallback){
        this.context = context;
        this.mHandler = new Handler();
        this.leScanCallback =  LeScanCallback;

        initble();
    }

    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
    private void initble(){
        bluetoothManager = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE);
        mBluetoothAdapter = bluetoothManager.getAdapter();
    }

    public boolean IsDeviceSupportBLE(){
        return context.getPackageManager().hasSystemFeature (PackageManager.FEATURE_BLUETOOTH_LE);
    }

    public boolean IsOpenBluetooth(){
       return (mBluetoothAdapter != null && mBluetoothAdapter.isEnabled());
    }

    @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
    public void scanLeDevice(final boolean enable) {
        if (enable) {
            mHandler.postDelayed(new Runnable() {
                @Override
                public void run() {mBluetoothAdapter.stopLeScan(leScanCallback);
                }
            }, SCAN_PERIOD);

            mBluetoothAdapter.startLeScan(leScanCallback);
        } else {
            mBluetoothAdapter.stopLeScan(leScanCallback);
        }
    }

    public BluetoothAdapter.LeScanCallback getLeScanCallback() {
        return leScanCallback;
    }

    public void setLeScanCallback(BluetoothAdapter.LeScanCallback leScanCallback) {
        this.leScanCallback = leScanCallback;
    }
}

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@RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
private void bleInit(){
    bleManagement = new BleManagement(this,mLeScanCallback);

    if(!bleManagement.IsDeviceSupportBLE()){
        Toast.makeText(this, "硬體不支援", Toast.LENGTH_SHORT).show();
        finish();
    }

    if(!bleManagement.IsOpenBluetooth()){
        Toast.makeText(this, "請開啟藍芽裝置", Toast.LENGTH_SHORT).show();
        Intent enableBluetooth = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBluetooth, REQUEST_ENABLE_BT);
    } else {
        bleManagement.scanLeDevice(true);
    }
}

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private BluetoothAdapter.LeScanCallback mLeScanCallback =
        new BluetoothAdapter.LeScanCallback() {
            @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
            @Override
            public void onLeScan(final BluetoothDevice device, final int rssi,
                                 final byte[] scanRecord) {
                Log.d("TAG", "BLE device : " + device.getName());

                try{
                    Beacon beacon = new Beacon(scanRecord
                                                 ,device,rssi);

                    String message = "ibeaconName" +
                            "\nMac：" + beacon.getMacAddress()
                            + " \nUUID：" + beacon.getUuid()
                            + "\nMajor：" + beacon.getMajor()
                            + "\nMinor：" + beacon.getMinor()
                            + "\nTxPower：" + beacon.getTxPower()
                            + "\nrssi：" + rssi;

                    Log.d(Tag, message);

                    Log.d(Tag, "distance：" + beacon.distance());

                    Toast.makeText(context,message,Toast.LENGTH_SHORT).show();
                }catch (BeaconFormateNotFoundException e){
                    Toast.makeText(context,"Beacon Formate Error",Toast.LENGTH_SHORT).show();
                }
            }
        };