我正在使用BLE startLescan
,但它現在已經過時。現在我改變了我的API level to 23 (from 20)
並使用BluetoothLeScanner
來達到此目的。 我啓動掃描功能:NoSuchMethod異常
public void startScan(){
mBluetoothLeScanner = mBluetoothAdapter.getBluetoothLeScanner();
mBluetoothLeScanner.startScan(new ScanCallback() {
@Override
public void onScanResult(int callbackType, ScanResult result) {
super.onScanResult(callbackType, result);
String s = "\nRssi : "+result.getRssi()+"" +
"\nName (Get Device) : "+result.getDevice().getName()+"" +
"\nBytes"+result.getScanRecord().getBytes()+"" +
"\nGet Device : " + result.getDevice()+"" +
"\nAddress : "+result.getDevice().getAddress()+"" +
"\nService UUIds : "+result.getScanRecord().getServiceUuids().get(0)+"" + //Unique
"\nName (Scan Record) : "+result.getScanRecord().getDeviceName()+"" +
"\nUuids device : "+result.getDevice().getUuids()+"" +
"\nDescribe contents : "+result.describeContents();
//This will show you all the data in logs.
Log.e("All Data",s);
}
@Override
public void onBatchScanResults(List<ScanResult> results) {
super.onBatchScanResults(results);
}
@Override
public void onScanFailed(int errorCode) {
super.onScanFailed(errorCode);
}
});
當我到了第一線,
java的拋出一個nosuchmethod異常:
方法查找失敗選擇 「getBluetoothLeScanner」 與 簽名「( )Landroid /藍牙/ LE/BluetoothLeScanner;」
向我們展示了'startScan'方法上面的代碼。如何初始化'mBluetoothAdapter'?/ –