Сканировать устройства Bluetooth, не работающие на Android Things DP3. Любая идея/обходной путь? Не выполняется действие BluetoothDevice.ACTION_FOUND.
Я добавил разрешения ACCESS_FINE_LOCATION и ACCESS_COARSE_LOCATION из-за изменений в Android 6.0, но все еще не работает. https://developer.android.com/about/versions/marshmallow/android-6.0-changes.html
Также android.permission.BLUETOOTH_ADMIN, android.permission.BLUETOOTH
Я проверил, ACCESS_FINE_LOCATION или ACCESS_COARSE_LOCATION для Android >= 6.0 требует разрешения во время выполнения, но выдает ошибку из-за ограничений Android Things.
private void checkPermission() {
List<String> permissionsList = new ArrayList<String>();
List<String> permissionsNeeded = new ArrayList<String>();
// app
permissionsList.add(Manifest.permission.ACCESS_FINE_LOCATION);
permissionsList.add(Manifest.permission.ACCESS_COARSE_LOCATION);
permissionsList.add(Manifest.permission.ACCESS_WIFI_STATE);
permissionsList.add(Manifest.permission.SET_TIME_ZONE);
// AndroidThingsLib
permissionsList.add(Manifest.permission.BLUETOOTH_ADMIN);
permissionsList.add(Manifest.permission.BLUETOOTH);
permissionsList.add(Manifest.permission.CHANGE_WIFI_STATE);
permissionsList.add(Manifest.permission.INTERNET);
permissionsList.add(Manifest.permission.ACCESS_NETWORK_STATE);
for (int i = 0; i < permissionsList.size(); i++){
if (checkSelfPermission(permissionsList.get(i)) == PackageManager.PERMISSION_GRANTED) {
permissionsNeeded.add(permissionsList.get(i));
updateDataLogs(SourceEnum.System, "GRANTED: " + permissionsList.get(i));
} else {
permissionsNeeded.add(permissionsList.get(i));
updateDataLogs(SourceEnum.Error, "NOT GRANTED: " + permissionsList.get(i));
}
}
if (permissionsList.size()>0){
requestPermissions(permissionsNeeded.toArray(new String[permissionsNeeded.size()]),5678);
}
}
@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
if (requestCode == 5678){
for (int i = 0; i < permissions.length; i++){
updateDataLogs(SourceEnum.Error, permissions[i] + " result " + grantResults[i]);
}
}
}
private void enableBluetoothScan() {
updateDataLogs(SourceEnum.System, "enableBluetoothScan");
IntentFilter filter = new IntentFilter();
filter.addAction(BluetoothDevice.ACTION_FOUND);
filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_STARTED);
filter.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);
registerReceiver(mReceiver, filter);
BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
if (bluetoothAdapter.isEnabled()){
bluetoothAdapter.startDiscovery();
} else {
updateDataLogs(SourceEnum.Error, "Bluetooth Adapter not enabled");
}
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothAdapter.ACTION_DISCOVERY_STARTED.equals(action)) {
updateDataLogs(SourceEnum.System, "DISCOVERY STARTED");
} else if (BluetoothAdapter.ACTION_DISCOVERY_FINISHED.equals(action)) {
updateDataLogs(SourceEnum.System, "DISCOVERY FINISHED");
} else if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (device.getBondState() != BluetoothDevice.BOND_BONDED) {
updateDataLogs(SourceEnum.System, "NEW DEVICE " + device.getName());
}
}
}
};