在处理BLE广告失败问题时,可以尝试以下解决方法:
BLUETOOTH_ADMIN
和BLUETOOTH
。
BluetoothAdapter
类来检查和控制蓝牙状态。BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) {
// 蓝牙未打开,需要请求用户打开蓝牙
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
} else {
// 开始广告
startAdvertising();
}
AdvertiseSettings settings = new AdvertiseSettings.Builder()
.setAdvertiseMode(AdvertiseSettings.ADVERTISE_MODE_LOW_LATENCY)
.setConnectable(true)
.setTimeout(0)
.setTxPowerLevel(AdvertiseSettings.ADVERTISE_TX_POWER_MEDIUM)
.build();
AdvertiseData data = new AdvertiseData.Builder()
.setIncludeDeviceName(true)
.addServiceUuid(new ParcelUuid(YOUR_SERVICE_UUID))
.build();
bluetoothLeAdvertiser.startAdvertising(settings, data, advertiseCallback);
private AdvertiseCallback advertiseCallback = new AdvertiseCallback() {
@Override
public void onStartSuccess(AdvertiseSettings settingsInEffect) {
// 广告成功启动
}
@Override
public void onStartFailure(int errorCode) {
// 广告启动失败,根据错误码进行处理
switch (errorCode) {
case AdvertiseCallback.ADVERTISE_FAILED_ALREADY_STARTED:
// 广告已经启动
break;
case AdvertiseCallback.ADVERTISE_FAILED_DATA_TOO_LARGE:
// 数据太大,需要缩小广播数据
break;
case AdvertiseCallback.ADVERTISE_FAILED_FEATURE_UNSUPPORTED:
// 不支持广播特性
break;
case AdvertiseCallback.ADVERTISE_FAILED_INTERNAL_ERROR:
// 内部错误
break;
case AdvertiseCallback.ADVERTISE_FAILED_TOO_MANY_ADVERTISERS:
// 广告太多,需要停止其他广告
break;
}
}
};
通过检查以上几个方面,可以解决BLE广告失败的问题,并定位到具体的错误原因。根据错误原因,可以采取适当的措施来修复问题。
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