Example usage for android.bluetooth BluetoothAdapter ACTION_REQUEST_ENABLE

Introduction

In this page you can find the example usage for android.bluetooth BluetoothAdapter ACTION_REQUEST_ENABLE.

Prototype

String ACTION_REQUEST_ENABLE

To view the source code for android.bluetooth BluetoothAdapter ACTION_REQUEST_ENABLE.

Click Source Link

Document

Activity Action: Show a system activity that allows the user to turn on Bluetooth.

Usage

From source file:net.cherryzhang.sekuhara.BluetoothButtonAndChat.BluetoothChat.BluetoothChat.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    rootView = inflater.inflate(R.layout.main, container, false);
    // If BT is not on, request that it be enabled.
    // setupChat() will then be called during onActivityResult
    if (!mBluetoothAdapter.isEnabled()) {
        Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
        // Otherwise, setup the chat session
    } else {//from  w  w  w.j  a  v a2s  . c o m
        if (mChatService == null)
            setupChat(rootView);
    }
    return rootView;
}

---

From source file:com.mbientlab.metawear.app.ModuleActivity.java

@SuppressWarnings("unchecked")
@Override//from w  ww  .  j  a  va  2  s.com
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    if (!bluetoothManager.getAdapter().isEnabled()) {
        final Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
    }

    getApplicationContext().bindService(new Intent(this, MetaWearBleService.class), this,
            Context.BIND_AUTO_CREATE);

    if (savedInstanceState != null) {
        device = (BluetoothDevice) savedInstanceState.getParcelable(EXTRA_BLE_DEVICE);
        moduleFragment = (ModuleFragment) getSupportFragmentManager().getFragment(savedInstanceState,
                "mContent");

        tapType = savedInstanceState.getInt(Extra.TAP_TYPE);
        tapAxis = savedInstanceState.getInt(Extra.TAP_AXIS);
        shakeAxis = savedInstanceState.getInt(Extra.SHAKE_AXIS);
        dataRange = savedInstanceState.getInt(Extra.DATA_RANGE);
        samplingRate = savedInstanceState.getInt(Extra.SAMPLING_RATE);
        ffMovement = savedInstanceState.getBoolean(Extra.FF_MOVEMENT);
        newFirmware = savedInstanceState.getBoolean(Extra.NEW_FIRMWARE);
        samplingConfigBytes = savedInstanceState.getByteArray(Extra.SAMPLING_CONFIG_BYTES);
        polledData = (ArrayList<byte[]>) savedInstanceState.getSerializable(Extra.POLLED_DATA);
    }
}

---

From source file:com.cardiograph.view.BLEActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);// w  ww . j  ava 2s .co  m
    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    btnSend = (Button) findViewById(R.id.sendButton);
    edtMessage = (EditText) findViewById(R.id.sendText);
    service_init();

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(BLEActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();

                    }
                }
            }
        }
    });
    // Handler Send button  
    btnSend.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            EditText editText = (EditText) findViewById(R.id.sendText);
            String message = editText.getText().toString();
            byte[] value;
            try {
                //send data to service
                value = message.getBytes("UTF-8");
                mService.writeRXCharacteristic(value);
                //Update the log with time stamp
                String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
                listAdapter.add("[" + currentDateTimeString + "] TX: " + message);
                messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
                edtMessage.setText("");
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });

    // Set initial UI state

}

---

From source file:com.wordpress.bennthomsen.bleuart.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);/*w  w  w . ja v a2s.  co m*/
    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    btnSend = (Button) findViewById(R.id.sendButton);
    edtMessage = (EditText) findViewById(R.id.sendText);
    service_init();

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();

                    }
                }
            }
        }
    });
    // Handler Send button
    btnSend.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            EditText editText = (EditText) findViewById(R.id.sendText);
            String message = editText.getText().toString();
            byte[] value;
            try {
                //send data to service
                value = message.getBytes("UTF-8");
                mService.writeRXCharacteristic(value);
                //Update the log with time stamp
                String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
                listAdapter.add("[" + currentDateTimeString + "] TX: " + message);
                messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
                edtMessage.setText("");
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });

    // Set initial UI state

}

---

From source file:fr.bmartel.android.dotti.DottiActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {

    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_dotti);

    // Use this check to determine whether BLE is supported on the device. Then
    // you can selectively disable BLE-related features.
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, "Bluetooth Smart is not supported on your device", Toast.LENGTH_SHORT).show();
        finish();//from www  . j av  a2  s.  c  om
    }

    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    if (!mBluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
    }

    final ProgressBar progress_bar = (ProgressBar) findViewById(R.id.scanningProgress);

    if (progress_bar != null)
        progress_bar.setEnabled(false);

    final Button button_stop_scanning = (Button) findViewById(R.id.stop_scanning_button);

    if (button_stop_scanning != null)
        button_stop_scanning.setEnabled(false);

    final TextView scanText = (TextView) findViewById(R.id.scanText);

    if (scanText != null)
        scanText.setText("");

    registerReceiver(mGattUpdateReceiver, makeGattUpdateIntentFilter());

    button_stop_scanning.setEnabled(false);

    final Button button_find_accessory = (Button) findViewById(R.id.scanning_button);

    button_stop_scanning.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {

            if (currentService != null && currentService.isScanning()) {

                currentService.stopScan();

                if (progress_bar != null) {
                    progress_bar.setEnabled(false);
                    progress_bar.setVisibility(View.GONE);
                }

                if (scanText != null)
                    scanText.setText("");

                if (button_stop_scanning != null)
                    button_stop_scanning.setEnabled(false);
            }
        }
    });

    button_find_accessory.setOnClickListener(new View.OnClickListener() {
        public void onClick(View v) {
            triggerNewScan();
        }
    });

    if (mBluetoothAdapter.isEnabled()) {

        Intent intent = new Intent(this, DottiBtService.class);

        // bind the service to current activity and create it if it didnt exist before
        startService(intent);
        bound = bindService(intent, mServiceConnection, BIND_AUTO_CREATE);
    }
}

---

From source file:com.ahmedabdelmeged.bluetoothmc.ui.BluetoothDevices.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_bluetooth_devices);
    initializeScreen();/*from   w w  w  .  j  a  va2  s  .  c  o  m*/

    //check if the device has a bluetooth or not
    //and show Toast message if it does't have
    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();

    //set the bluetooth adapter
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL,
            false);
    deviceRecycler.setLayoutManager(linearLayoutManager);
    deviceRecycler.setHasFixedSize(true);
    bluetoothDevicesAdapter = new BluetoothDevicesAdapter(new ArrayList<String>(), this);
    deviceRecycler.setAdapter(bluetoothDevicesAdapter);

    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.does_not_have_bluetooth, Toast.LENGTH_LONG).show();
        finish();
    } else if (!mBluetoothAdapter.isEnabled()) {
        Intent enableIntentBluetooth = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableIntentBluetooth, REQUEST_ENABLE_BT);
    } else if (mBluetoothAdapter.isEnabled()) {
        PairedDevicesList();
    }

    setBroadCastReceiver();

    //request location permission for bluetooth scanning for android API 23 and above
    ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_FINE_LOCATION },
            REQUEST_ENABLE_FINE_LOCATION);

    //press the button to start search new Devices
    searchForNewDevices.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            searchForNewDevices.setEnabled(false);
            searchProgressbar.setVisibility(View.VISIBLE);
            bluetoothDevicesAdapter.clear();
            PairedDevicesList();
            NewDevicesList();
        }
    });

}

---

From source file:com.scytulip.nrfUARTbackrec.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    Log.i(TAG, "onCreate");
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);//from  w  w  w .  jav a2  s  . c o m
    mBtAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBtAdapter == null) {
        Toast.makeText(this, "Bluetooth is not available", Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    messageListView = (ListView) findViewById(R.id.listMessage);
    listAdapter = new ArrayAdapter<String>(this, R.layout.message_detail);
    messageListView.setAdapter(listAdapter);
    messageListView.setDivider(null);
    btnConnectDisconnect = (Button) findViewById(R.id.btn_select);
    btnSend = (Button) findViewById(R.id.sendButton);
    btnDwnd = (Button) findViewById(R.id.dlButton);
    edtMessage = (EditText) findViewById(R.id.sendText);
    service_init();

    mBackData = new BackRecData(getApplicationContext());

    // Handler Disconnect & Connect button
    btnConnectDisconnect.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (!mBtAdapter.isEnabled()) {
                Log.i(TAG, "onClick - BT not enabled yet");
                Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
            } else {
                if (btnConnectDisconnect.getText().equals("Connect")) {

                    //Connect button pressed, open DeviceListActivity class, with popup windows that scan for devices

                    Intent newIntent = new Intent(MainActivity.this, DeviceListActivity.class);
                    startActivityForResult(newIntent, REQUEST_SELECT_DEVICE);
                } else {
                    //Disconnect button pressed
                    if (mDevice != null) {
                        mService.disconnect();

                    }
                }
            }
        }
    });
    // Handler Send button  
    btnSend.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            EditText editText = (EditText) findViewById(R.id.sendText);
            String message = editText.getText().toString();
            byte[] value;
            try {
                //send data to service
                value = message.getBytes("UTF-8");
                mService.writeRXCharacteristic(value);
                //Update the log with time stamp
                String currentDateTimeString = DateFormat.getTimeInstance().format(new Date());
                listAdapter.add("[" + currentDateTimeString + "] TX: " + message);
                messageListView.smoothScrollToPosition(listAdapter.getCount() - 1);
                edtMessage.setText("");
            } catch (UnsupportedEncodingException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }

        }
    });

    // Handler Download Button
    btnDwnd.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            try {
                mService.writeRXCharacteristic("T".getBytes("UTF-8"));
            } catch (Exception e) {
                Log.i(TAG, e.toString());
            }

        }
    });

    // Set initial UI state

}

---

From source file:com.artur.softwareproject.BluetoothConnectionList.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.activity_bluetooth_connection);

    ListView bluetoothList;/*from  w w  w  .j  a v a 2  s.c o  m*/
    bluetoothList = (ListView) findViewById(R.id.bluetoothList);

    ListAdapter = new BluetoothConnectionListAdapter(this, bluetoothAddress, bluetoothName, bDevices);

    bluetoothList.setAdapter(ListAdapter);

    BluetoothManager bluetoothManager;
    bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);

    bluetoothAdapter = bluetoothManager.getAdapter();

    mHandler = new Handler();

    File topLevelDir, jsonDir, objDir;

    //Creating the directory structure for the app.
    topLevelDir = new File(Environment.getExternalStorageDirectory() + "/ViSensor");

    jsonDir = new File(Environment.getExternalStorageDirectory() + "/ViSensor/Json");

    objDir = new File(Environment.getExternalStorageDirectory() + "/ViSensor/Obj");

    if (!topLevelDir.exists()) {
        if (!topLevelDir.mkdir()) {
            Log.d(TAG, "Creating top level directory failed.");
        }

        if (!jsonDir.exists()) {
            if (!jsonDir.mkdir()) {
                Log.d(TAG, "Creating json directory failed.");
            }
        }

        if (!objDir.exists()) {
            if (!objDir.mkdir()) {
                Log.d(TAG, "Creating obj directory failed.");
            }
        }
    } else if (!jsonDir.exists()) {
        if (!jsonDir.mkdir()) {
            Log.d(TAG, "Creating json directory failed.");
        }

        if (!objDir.exists()) {
            if (!objDir.mkdir()) {
                Log.d(TAG, "Creating obj directory failed.");
            }
        }
    } else if (!objDir.exists()) {
        if (!objDir.mkdir()) {
            Log.d(TAG, "Creating obj directory failed.");
        }
    }

    if (bluetoothAdapter == null || !bluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);

        final int REQUEST_ENABLE_BT = 1;

        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
    }

    int permissionCheckLocation = ContextCompat.checkSelfPermission(this,
            Manifest.permission.ACCESS_FINE_LOCATION);

    int permissionCheckWrite = ContextCompat.checkSelfPermission(this,
            Manifest.permission.WRITE_EXTERNAL_STORAGE);

    if (permissionCheckLocation != PackageManager.PERMISSION_GRANTED) {
        ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_FINE_LOCATION }, 0);
    }

    if (permissionCheckWrite != PackageManager.PERMISSION_GRANTED) {
        ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE }, 0);
    }

    scanLeDevice(true);
}

---

From source file:de.tudarmstadt.dvs.myhealthassistant.myhealthhub.fragments.SensorConfigFragment.java

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    setHasOptionsMenu(true);/*from w w  w  .  j  ava2  s. co m*/

    mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (mBluetoothAdapter == null) {
        // no bluetooth support on this device, app should be stop
        Toast.makeText(getActivity().getApplicationContext(), "No Bluetooth Support!", Toast.LENGTH_LONG)
                .show();
        getActivity().finish();
    }
    if (!mBluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
        return;
    }

    // start create Sensors when bluetooth is enabled;
    startSensorModule();
}

---

From source file:johmphot.card.bluetooth.MultiplayerGameActivity.java

@Override
public void onStart() {
    super.onStart();
    // If BT is not on, request that it be enabled.
    // setupGame() will then be called during onActivityResult
    if (!btAdapter.isEnabled()) {
        Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableIntent, REQUEST_ENABLE_BT);
    }//from  w w  w . j a va2  s  .  c o  m
    try {
        setupGame();
    } catch (IOException e) {
        e.printStackTrace();
    }

}

---

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