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Android 蓝牙扫描代码

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【Android 蓝牙扫描代码】天下之事常成于困约，而败于奢靡。这篇文章主要讲述Android 蓝牙扫描代码相关的知识，希望能为你提供帮助。

/** * Created by rbq on 2016/11/1. */import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.le.BluetoothLeScanner; import android.bluetooth.le.ScanCallback; import android.bluetooth.le.ScanResult; import android.content.Context; import android.os.Build; import android.os.Handler; import android.util.Log; import java.util.List; public class BleDevicesScanner implements Runnable {private static final String TAG = BleDevicesScanner.class.getSimpleName(); private static final int DEFAULT_SCAN_PERIOD = 3000; // 2秒钟private final BluetoothAdapter adapter; private int scanPeriod = DEFAULT_SCAN_PERIOD; private BleScanCallback callback; private boolean Scaning = false; private boolean isstart = false; private Handler handler = new Handler(); private BluetoothLeScanner mScanner; private ScanCallback mScanCallback; private BluetoothAdapter.LeScanCallback mLeScanCallback; public void setCallback(BleScanCallback callback) { this.callback = callback; }private BleScaneStatusChanage scaneStatusChanage; public BleScaneStatusChanage getScaneStatusChanage() { return scaneStatusChanage; }public void setScaneStatusChanage(BleScaneStatusChanage scaneStatusChanage) { this.scaneStatusChanage = scaneStatusChanage; }public BleDevicesScanner(Context context) {adapter = BleUtils.getBluetoothAdapter(context); }public synchronized void setScanPeriod(int scanPeriod) {this.scanPeriod = scanPeriod < 0 ? DEFAULT_SCAN_PERIOD : scanPeriod; }public boolean isScanning() {return isstart; }public synchronized void start() {if (isstart) {return; }isstart = true; handler.post(this); }public synchronized void stop() {if (!isstart) {return; }isstart = false; handler.removeCallbacks(this); if (Scaning) {try { if (isSupportLollipop()) {if (mScanner != null& & mScanCallback!=null) {mScanner.stopScan(mScanCallback); } } else {if (adapter != null& & mLeScanCallback!=null) {adapter.stopLeScan(mLeScanCallback); } }if (scaneStatusChanage!=null){scaneStatusChanage.onScaneStop(); }} catch (Exception e) {Log.i(TAG,"蓝牙停止异常"); }finally {Scaning = false; }Log.i(TAG, "停止扫描"); }}@Override public void run() {if (!adapter.isEnabled()){return; }if (!Scaning) {Log.i(TAG, "开始扫描"); if (isSupportLollipop()) {if (mScanner==null) {mScanner = adapter.getBluetoothLeScanner(); }if (mScanner == null) {Scaning = false; } else {if (mScanCallback==null){mScanCallback = new ScanCallback() { @Override public void onScanResult(int callbackType, ScanResult result) { super.onScanResult(callbackType, result); if (isSupportLollipop()) {byte[] scanRecord = null; if (result.getScanRecord() != null) {scanRecord = result.getScanRecord().getBytes(); } if (callback != null) {callback.onScan(result.getDevice(), result.getRssi(), scanRecord); } }}@Override public void onScanFailed(int errorCode) { super.onScanFailed(errorCode); Log.i(TAG,"扫描失败"); }@Override public void onBatchScanResults(List< ScanResult> results) { super.onBatchScanResults(results); } }; }mScanner.startScan(mScanCallback); Scaning = true; }} else {if (mLeScanCallback==null){mLeScanCallback = new BluetoothAdapter.LeScanCallback(){@Override public void onLeScan(BluetoothDevice device, int rssi, byte[] scanRecord) {if (callback!=null){callback.onScan(device,rssi,scanRecord); }} }; }Scaning = adapter.startLeScan(mLeScanCallback); }if (scaneStatusChanage!=null){scaneStatusChanage.onScaneStart(); }} else if (Scaning) {Log.i(TAG, "停止扫描"); synchronized (this) {if (!Scaning)return; }try {if (isSupportLollipop()) {if (mScanner != null& & mScanCallback!=null) {mScanner.stopScan(mScanCallback); }} else {if (adapter != null& & mLeScanCallback!=null) {adapter.stopLeScan(mLeScanCallback); }}} catch (Exception e) {Log.i(TAG,"蓝牙停止异常"); }Scaning = false; if (scaneStatusChanage!=null){scaneStatusChanage.onScaneStop(); }}handler.postDelayed(this, scanPeriod); }public boolean isSupportLollipop() {return Build.VERSION.SDK_INT > = Build.VERSION_CODES.LOLLIPOP; }}

 

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