Android app退至后台， btAdapter.startLeScan(leScanCallback);停止了，怎么让他一直扫描。。。

[囧灬8023]

private BluetoothAdapter.LeScanCallback leScanCallback = new BluetoothAdapter.LeScanCallback() {
@Override
public void onLeScan(final BluetoothDevice device, final int rssi, final byte[] scanRecord) {
int rang = rssi;
int startByte = 2;
boolean patternFound = false;
while (startByte <= 5) {
if (((int) scanRecord[startByte + 2] & 0xff) == 0x02 && //Identifies an iBeacon
((int) scanRecord[startByte + 3] & 0xff) == 0x15) { //Identifies correct data length
patternFound = true;
break;
}
startByte++;
}
if (patternFound) {
//Convert to hex String
byte[] uuidBytes = new byte[16];
System.arraycopy(scanRecord, startByte + 4, uuidBytes, 0, 16);
String hexString = bytesToHex(uuidBytes);

//UUID detection
String uuid = hexString.substring(0, 8) + "-" +
hexString.substring(8, 12) + "-" +
hexString.substring(12, 16) + "-" +
hexString.substring(16, 20) + "-" +
hexString.substring(20, 32);

// major
final int major = (scanRecord[startByte + 20] & 0xff) * 0x100 + (scanRecord[startByte + 21] & 0xff);

// minor
final int minor = (scanRecord[startByte + 22] & 0xff) * 0x100 + (scanRecord[startByte + 23] & 0xff);

BeaconModel model = new BeaconModel();
Log.i(TAG, "UUID: " + uuid + "\\nmajor: " + major + "\\nminor" + minor + "rang+:" + rang + "txPower" + (int) scanRecord[29]);

if (rang == 0) {

}
int txPower = (int) scanRecord[29];
Log.d(TAG, "calculating accuracy based on rssi of " + rssi);
double accuracy;
double ratio = rssi * 1.0 / txPower;
if (ratio < 1.0) {
accuracy = Math.pow(ratio, 10);
Log.d(TAG, " accuracy: +~1:" + accuracy);
} else {
accuracy = (0.89976) * Math.pow(ratio, 7.7095) + 0.111;


Log.d(TAG, " avg rssi: " + rssi + " accuracy: ~2:" + accuracy);
}
if (accuracy<5){
model.setRang("very_near");
}else if(accuracy<10){
model.setRang("near");
}else if(accuracy>10){
model.setRang("far");
}

Date date = new Date();


model.setUuid(uuid);
model.setMajor(major + "");
model.setMinor(minor + "");
model.setTime(date);
Wyal.getInstance().getUser().AddBeacon(model);

}}
};

[u010419173]

你好 请问你解决了吗？我现在在弄这个 一直弄不好，能跟我说一下怎么弄的吗 谢谢

[果果_]

你好，找到解决方案了吗

[鸢虞樱落]

你好，请问你这个方案解决了吗?我也遇到这个问题了，一直没有弄成功，你能给我说说怎么弄的吗？谢谢你。

[王能]

引用 4 楼 鸢虞樱落 的回复:

你好，请问你这个方案解决了吗?我也遇到这个问题了，一直没有弄成功，你能给我说说怎么弄的吗？谢谢你。

勿挖坟，自己发帖，描述清楚