/**
* 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; }}
