Android 如何启用定位？

您好，在下面的代码中，我正在通过蓝牙和位置连接设备。 这是它第一次请求允许打开该位置，但它没有启用该位置

protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_scan_device);
        ButterKnife.bind(this);
        mProgressDialog = new ProgressDialog(this);
        mPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
        initToolBar();
        mBleDevices = new ArrayList<>();
        mAdapter = new DeviceListAdapter(this);
        mDeviceListView.setAdapter(mAdapter);
        LinearLayoutManager manager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
        mDeviceListView.setLayoutManager(manager);
        mDeviceListView.addOnItemTouchListener(new RecyclerItemClickListener(this, new RecyclerItemClickListener.OnItemClickListener() {
            @Override
            public void onItemClick(View view, int position) {
                showProgressDialog();
                List<BluetoothDevice> bluetoothDevices = mAdapter.getBluetoothDevices();
                if (bluetoothDevices != null) {
                    if (bluetoothDevices.size() > position) {
                        BluetoothDevice bluetoothDevice = bluetoothDevices.get(position);
                        if (bluetoothDevice != null) {
                            String address = bluetoothDevice.getAddress();
                            mBleService.connect(address);
                        }
                    }
                }
            }
        }));
        final IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(BleService.ACTION_DEVICE_FOUND);
        intentFilter.addAction(BleService.ACTION_GATT_CONNECTED);
        intentFilter.addAction(BleService.ACTION_GAT_CONNECTING);
        intentFilter.addAction(BleService.ACTION_GATT_DISCONNECTED);
        intentFilter.addAction(BleService.ACTION_GAT_SERVICE_DISCOVERED);
        registerReceiver(mGattUpdateReceiver, intentFilter);

        if (ContextCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                requestPermissions(new String[]{Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.BLUETOOTH,Manifest.permission.ACCESS_FINE_LOCATION
                        , Manifest.permission.BLUETOOTH_ADMIN, Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST_COARSE_LOCATION);
            }
        } else {
            if (mServiceConnection != null) {
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableBtIntent, 101);
            }

            Intent intent = new Intent(this, BleService.class);
            bindService(intent, mServiceConnection, Context.BIND_AUTO_CREATE);
        }
    }
    private void showProgressDialog() {
        if (mProgressDialog == null) {
            mProgressDialog = new ProgressDialog(this);
        }
        mProgressDialog.setMessage(getString(R.string.loading));
        mProgressDialog.setCanceledOnTouchOutside(false);
        mProgressDialog.show();
    }
    private ServiceConnection mServiceConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
            mBleService = ((BleService.LocalBinder) iBinder).getLeService();
            if (mBleService != null) {
                mBleService.scanLeDevice(true);
                mScanStatus.setVisibility(View.VISIBLE);
                mScanStatus.setText(R.string.scanning_device);
            }
        }
        @Override
        public void onServiceDisconnected(ComponentName componentName) {
        }
    };
    @Override
    protected void onResume() {
        super.onResume();
    }
    @Override
    protected void onStart() {
        super.onStart();
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == 101) {
            if (mBleService != null) {
                mBleService.scanLeDevice(true);
            }
        }
    }
    private BroadcastReceiver mGattUpdateReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            switch (action) {
                case BleService.ACTION_DEVICE_FOUND:
                    BluetoothDevice device = (BluetoothDevice) intent.getParcelableExtra(BleService.EXTRA_DEVICE);
                    if (mBleDevices != null) {
                        if (!mBleDevices.contains(device)) {
                            mBleDevices.add(device);
                            mAdapter.udpateBluetoothDevices(mBleDevices);
                            mAdapter.notifyDataSetChanged();
                        }
                    }
                    break;
                case BleService.ACTION_GATT_CONNECTED:
                    Log.d(TAG, "!Action gat connected...");
                    mBleService.scanLeDevice(false);
                    mScanStatus.setVisibility(View.VISIBLE);
                    mScanStatus.setText(getString(R.string.connected));
                    break;
                case BleService.ACTION_GAT_CONNECTING:
                    mScanStatus.setVisibility(View.VISIBLE);
                    mScanStatus.setText(getString(R.string.connecting));
                    Log.d(TAG, "!Action Gat Connecting..");
                    break;
                case BleService.ACTION_GATT_DISCONNECTED:
                    mScanStatus.setVisibility(View.VISIBLE);
                    mScanStatus.setText(getString(R.string.disconnected));
                    mScanningProgress.setVisibility(View.GONE);
                    mRefresh.setVisibility(View.VISIBLE);
                    if (mProgressDialog != null) {
                        mProgressDialog.dismiss();
                    }
                    Log.d(TAG, "!Action Gat Disconnected..");
                    break;
                case BleService.ACTION_GAT_SERVICE_DISCOVERED:
                    boolean isOperator = mPref.getBoolean(Constants.IS_OPERATOR, false);
                    if (mProgressDialog != null) {
                        mProgressDialog.dismiss();
                    }
                    if (isOperator) {
                        Intent homeIntent = new Intent(DeviceScanActivity.this, HomeScreenActivity.class);
                        startActivity(homeIntent);
                        finish();
                    } else {
                        Intent lightControllIntent = new Intent(DeviceScanActivity.this, LightConfigurationActivity.class);
                        startActivity(lightControllIntent);
                        finish();
                    }
                    mScanStatus.setText(getString(R.string.discoveringService));
                    Log.d(TAG, "!Action Gat Discovering..");
                    break;
            }
        }
    };
    private void initToolBar() {
        mRefresh.setVisibility(View.VISIBLE);
    }
    @OnClick(R.id.refresh)
    public void onClick() {
        mScanStatus.setVisibility(View.VISIBLE);
        mRefresh.setVisibility(View.GONE);
        mScanningProgress.setVisibility(View.VISIBLE);
        mBleDevices.clear();
        mAdapter.udpateBluetoothDevices(new ArrayList<BluetoothDevice>());
        mAdapter.notifyDataSetChanged();
    }
    @Override
    protected void onDestroy() {
        if (mServiceConnection != null) {
            unbindService(mServiceConnection);
        }
        if (mGattUpdateReceiver != null) {
            unregisterReceiver(mGattUpdateReceiver);
        }
        super.onDestroy();
    }
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        if (requestCode == PERMISSION_REQUEST_COARSE_LOCATION) {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                if (mServiceConnection != null) {
                    Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                    startActivityForResult(enableBtIntent, 101);
                }
                Intent intent = new Intent(this, BleService.class);
                bindService(intent, mServiceConnection, Context.BIND_AUTO_CREATE);
            } else {
                finish();
            }
        }
    }

有谁能帮助我如何像下面代码中的buetooth一样自动启用位置

例如：在蓝牙中，它请求许可并将其打开。 但对于首次定位，它正在请求许可，但未启用该定位

protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_scan_device);
        ButterKnife.bind(this);
        mProgressDialog = new ProgressDialog(this);
        mPref = PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
        initToolBar();
        mBleDevices = new ArrayList<>();
        mAdapter = new DeviceListAdapter(this);
        mDeviceListView.setAdapter(mAdapter);
        LinearLayoutManager manager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false);
        mDeviceListView.setLayoutManager(manager);
        mDeviceListView.addOnItemTouchListener(new RecyclerItemClickListener(this, new RecyclerItemClickListener.OnItemClickListener() {
            @Override
            public void onItemClick(View view, int position) {
                showProgressDialog();
                List<BluetoothDevice> bluetoothDevices = mAdapter.getBluetoothDevices();
                if (bluetoothDevices != null) {
                    if (bluetoothDevices.size() > position) {
                        BluetoothDevice bluetoothDevice = bluetoothDevices.get(position);
                        if (bluetoothDevice != null) {
                            String address = bluetoothDevice.getAddress();
                            mBleService.connect(address);
                        }
                    }
                }
            }
        }));
        final IntentFilter intentFilter = new IntentFilter();
        intentFilter.addAction(BleService.ACTION_DEVICE_FOUND);
        intentFilter.addAction(BleService.ACTION_GATT_CONNECTED);
        intentFilter.addAction(BleService.ACTION_GAT_CONNECTING);
        intentFilter.addAction(BleService.ACTION_GATT_DISCONNECTED);
        intentFilter.addAction(BleService.ACTION_GAT_SERVICE_DISCOVERED);
        registerReceiver(mGattUpdateReceiver, intentFilter);

        if (ContextCompat.checkSelfPermission(getApplicationContext(), Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                requestPermissions(new String[]{Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.BLUETOOTH,Manifest.permission.ACCESS_FINE_LOCATION
                        , Manifest.permission.BLUETOOTH_ADMIN, Manifest.permission.ACCESS_FINE_LOCATION}, PERMISSION_REQUEST_COARSE_LOCATION);
            }
        } else {
            if (mServiceConnection != null) {
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableBtIntent, 101);
            }

            Intent intent = new Intent(this, BleService.class);
            bindService(intent, mServiceConnection, Context.BIND_AUTO_CREATE);
        }
    }
    private void showProgressDialog() {
        if (mProgressDialog == null) {
            mProgressDialog = new ProgressDialog(this);
        }
        mProgressDialog.setMessage(getString(R.string.loading));
        mProgressDialog.setCanceledOnTouchOutside(false);
        mProgressDialog.show();
    }
    private ServiceConnection mServiceConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
            mBleService = ((BleService.LocalBinder) iBinder).getLeService();
            if (mBleService != null) {
                mBleService.scanLeDevice(true);
                mScanStatus.setVisibility(View.VISIBLE);
                mScanStatus.setText(R.string.scanning_device);
            }
        }
        @Override
        public void onServiceDisconnected(ComponentName componentName) {
        }
    };
    @Override
    protected void onResume() {
        super.onResume();
    }
    @Override
    protected void onStart() {
        super.onStart();
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == 101) {
            if (mBleService != null) {
                mBleService.scanLeDevice(true);
            }
        }
    }
    private BroadcastReceiver mGattUpdateReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            String action = intent.getAction();
            switch (action) {
                case BleService.ACTION_DEVICE_FOUND:
                    BluetoothDevice device = (BluetoothDevice) intent.getParcelableExtra(BleService.EXTRA_DEVICE);
                    if (mBleDevices != null) {
                        if (!mBleDevices.contains(device)) {
                            mBleDevices.add(device);
                            mAdapter.udpateBluetoothDevices(mBleDevices);
                            mAdapter.notifyDataSetChanged();
                        }
                    }
                    break;
                case BleService.ACTION_GATT_CONNECTED:
                    Log.d(TAG, "!Action gat connected...");
                    mBleService.scanLeDevice(false);
                    mScanStatus.setVisibility(View.VISIBLE);
                    mScanStatus.setText(getString(R.string.connected));
                    break;
                case BleService.ACTION_GAT_CONNECTING:
                    mScanStatus.setVisibility(View.VISIBLE);
                    mScanStatus.setText(getString(R.string.connecting));
                    Log.d(TAG, "!Action Gat Connecting..");
                    break;
                case BleService.ACTION_GATT_DISCONNECTED:
                    mScanStatus.setVisibility(View.VISIBLE);
                    mScanStatus.setText(getString(R.string.disconnected));
                    mScanningProgress.setVisibility(View.GONE);
                    mRefresh.setVisibility(View.VISIBLE);
                    if (mProgressDialog != null) {
                        mProgressDialog.dismiss();
                    }
                    Log.d(TAG, "!Action Gat Disconnected..");
                    break;
                case BleService.ACTION_GAT_SERVICE_DISCOVERED:
                    boolean isOperator = mPref.getBoolean(Constants.IS_OPERATOR, false);
                    if (mProgressDialog != null) {
                        mProgressDialog.dismiss();
                    }
                    if (isOperator) {
                        Intent homeIntent = new Intent(DeviceScanActivity.this, HomeScreenActivity.class);
                        startActivity(homeIntent);
                        finish();
                    } else {
                        Intent lightControllIntent = new Intent(DeviceScanActivity.this, LightConfigurationActivity.class);
                        startActivity(lightControllIntent);
                        finish();
                    }
                    mScanStatus.setText(getString(R.string.discoveringService));
                    Log.d(TAG, "!Action Gat Discovering..");
                    break;
            }
        }
    };
    private void initToolBar() {
        mRefresh.setVisibility(View.VISIBLE);
    }
    @OnClick(R.id.refresh)
    public void onClick() {
        mScanStatus.setVisibility(View.VISIBLE);
        mRefresh.setVisibility(View.GONE);
        mScanningProgress.setVisibility(View.VISIBLE);
        mBleDevices.clear();
        mAdapter.udpateBluetoothDevices(new ArrayList<BluetoothDevice>());
        mAdapter.notifyDataSetChanged();
    }
    @Override
    protected void onDestroy() {
        if (mServiceConnection != null) {
            unbindService(mServiceConnection);
        }
        if (mGattUpdateReceiver != null) {
            unregisterReceiver(mGattUpdateReceiver);
        }
        super.onDestroy();
    }
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        if (requestCode == PERMISSION_REQUEST_COARSE_LOCATION) {
            if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                if (mServiceConnection != null) {
                    Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                    startActivityForResult(enableBtIntent, 101);
                }
                Intent intent = new Intent(this, BleService.class);
                bindService(intent, mServiceConnection, Context.BIND_AUTO_CREATE);
            } else {
                finish();
            }
        }
    }

protectedvoid onCreate（@Nullable Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
setContentView（R.layout.activity\u scan\u设备）；
把（这个）绑起来；
mProgressDialog=新建进度对话框（此）；
mPref=PreferenceManager.getDefaultSharedReferences（getApplicationContext（））；
initToolBar（）；
mBleDevices=newarraylist（）；
mAdapter=新设备适配器（本）；
mDeviceListView.setAdapter（mAdapter）；
LinearLayoutManager=newlinearlayoutmanager（this，LinearLayoutManager.VERTICAL，false）；
mDeviceListView.setLayoutManager（管理器）；
mDeviceListView.addOnItemTouchListener（新的RecyclerItemClickListener（这个，新的RecyclerItemClickListener.OnItemClickListener（）{
@凌驾
公共虚线单击（视图，int位置）{
showProgressDialog（）；
列出bluetoothDevices=mAdapter.getBluetoothDevices（）；
if（蓝牙设备！=null）{
if（bluetoothDevices.size（）>位置）{
BluetoothDevice BluetoothDevice=bluetoothDevices.get（位置）；
if（蓝牙设备！=null）{
字符串地址=bluetoothDevice.getAddress（）；
连接（地址）；
}
}
}
}
}));
final IntentFilter IntentFilter=新IntentFilter（）；
intentFilter.addAction（找到BleService.ACTION\u设备）；
intentFilter.addAction（BleService.ACTION\u GATT\u已连接）；
intentFilter.addAction（BleService.ACTION\u GAT\u连接）；
intentFilter.addAction（BleService.ACTION\u GATT\u断开连接）；
intentFilter.addAction（BleService.ACTION\u GAT\u SERVICE\u DISCOVERED）；
registerReceiver（mGattUpdateReceiver、intentFilter）；
if（ContextCompat.checkSelfPermission（getApplicationContext（），Manifest.permission.ACCESS\u位置）！=PackageManager.permission\u已授予）{
if（Build.VERSION.SDK\u INT>=Build.VERSION\u code.O）{
requestPermissions（新字符串[]{Manifest.permission.ACCESS_粗略_位置，Manifest.permission.BLUETOOTH，Manifest.permission.ACCESS_精细_位置
，Manifest.permission.BLUETOOTH\u ADMIN，Manifest.permission.ACCESS\u FINE\u LOCATION}，permission\u REQUEST\u rough\u LOCATION）；
}
}否则{
if（mServiceConnection！=null）{
Intent enablebintent=新意图（BluetoothAdapter.ACTION\u REQUEST\u ENABLE）；
startActivityForResult（enableBtIntent，101）；
}
Intent Intent=新Intent（这个，BleService.class）；
bindService（intent、mServiceConnection、Context.BIND\u AUTO\u CREATE）；
}
}
私有void showProgressDialog（）{
如果（mProgressDialog==null）{
mProgressDialog=新建进度对话框（此）；
}
setMessage（getString（R.string.load））；
mProgressDialog.setCanceledOnTouchOutside（false）；
mProgressDialog.show（）；
}
专用ServiceConnection mServiceConnection=新ServiceConnection（）{
@凌驾
服务连接上的公共无效（ComponentName ComponentName，IBinder IBinder）{
mBleService=（（BleService.LocalBinder）iBinder.getLeService（）；
if（服务！=null）{
mBleService.scanlevice（true）；
mScanStatus.setVisibility（View.VISIBLE）；
mScanStatus.setText（R.string.scanning_设备）；
}
}
@凌驾
ServiceDisconnected上的公共无效（ComponentName ComponentName）{
}
};
@凌驾
受保护的void onResume（）{
super.onResume（）；
}
@凌驾
受保护的void onStart（）{
super.onStart（）；
}
@凌驾
受保护的void onActivityResult（int请求代码、int结果代码、意图数据）{
if（requestCode==101）{
if（服务！=null）{
mBleService.scanlevice（true）；
}
}
}
private BroadcastReceiver mGattUpdateReceiver=新的BroadcastReceiver（）{
@凌驾
公共void onReceive（上下文、意图）{
String action=intent.getAction（）；
开关（动作）{
案例BleService.ACTION\u设备\u找到：
BluetoothDevice设备=（BluetoothDevice）intent.getParcelableExtra（BleService.EXTRA_设备）；
如果（设备！=null）{
如果（！mBleDevices.contains（设备））{
添加（设备）；
mAdapter.蓝牙设备（蓝牙设备）；
mAdapter.notifyDataSetChanged（）；
}
}
打破
案例BleService.ACTION\u GATT\u连接：
Log.d（标记“！Action gat connected…”）；
mBleService.scanlevice（假）；
mScanStatus.setVisibility（View.VISIBLE）；
mScanStatus.setText（getString（R.string.connected））；
打破
案例BleService.ACTION\u GAT\u连接：
mScanStatus.setVisibility（View.VISIBLE）；
mScanStatus.setText（getString（R.string.connecting））；
Log.d（标记“！Actio