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:com.shrlnm.android.erm.ElmRenaultMonitor_Main.java

@Override
public void onStart() {
    super.onStart();
    if (D)//www . j  a v a 2 s . c o m
        Log.e(TAG, "++ ON START ++");

    // 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 {
        if (mChatService == null)
            setupChat();
    }

    if (STATE_CONNECTED != mChatService.getState()) {
        // load saved mac address.
        String mac_address = sharedPref.getString(getString(R.string.preference_addr_key), "");
        if ((mac_address != null ? mac_address.length() : 0) == 17) {
            // it is and we just connect to it
            connectDevice(mac_address);
        } else {
            // there is no saved address then ask it
            try {
                Intent serverIntent = new Intent(this, DeviceListActivity.class);
                startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
            } catch (android.content.ActivityNotFoundException e) {
                if (D)
                    Log.e(TAG, "+++ ActivityNotFoundException +++");
            }

        }
    }
}

---

From source file:com.orange.beaconme_sdk.control.BeaconMonitor.java

/**
 * Check if Bluetooth is enabled. If it is enabled then start scanner, ask to enable Bluetooth otherwise.
 *//*from   w w  w .  j  ava2 s . com*/
private void startScan() {
    BluetoothAdapter btAdapter = ((BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE))
            .getAdapter();
    if (btAdapter == null || !btAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        enableBtIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(enableBtIntent);
    } else {
        context.sendBroadcast(new Intent(BLEDeviceScanner.START_SCAN_SERVICE_ACTION));
    }
}

---

From source file:com.a3did.partner.recosample.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main_reco);
    mLayout = findViewById(R.id.mainLayout);

    View includedLayout = (View) findViewById(R.id.reco_settings_values);
    TextView mRecoOnlyText = (TextView) includedLayout.findViewById(R.id.recoRecoonlySetting);
    if (SCAN_RECO_ONLY) {
        mRecoOnlyText.setText(R.string.settings_result_true);
    } else {/*from ww  w.ja  v  a 2s  . co  m*/
        mRecoOnlyText.setText(R.string.settings_result_false);
    }

    TextView mDiscontinuousText = (TextView) includedLayout.findViewById(R.id.recoDiscontinouosSetting);
    if (DISCONTINUOUS_SCAN) {
        mDiscontinuousText.setText(R.string.settings_result_true);
    } else {
        mDiscontinuousText.setText(R.string.settings_result_false);
    }

    TextView mBackgroundRangingTimeoutText = (TextView) includedLayout
            .findViewById(R.id.recoBackgroundtimeoutSetting);
    if (ENABLE_BACKGROUND_RANGING_TIMEOUT) {
        mBackgroundRangingTimeoutText.setText(R.string.settings_result_true);
    } else {
        mBackgroundRangingTimeoutText.setText(R.string.settings_result_false);
    }

    //If a user device turns off bluetooth, request to turn it on.
    //?  ?? .
    mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = mBluetoothManager.getAdapter();

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

    /**
     * In order to use RECO SDK for Android API 23 (Marshmallow) or higher,
     * the location permission (ACCESS_COARSE_LOCATION or ACCESS_FINE_LOCATION) is required.
     * Please refer to the following permission guide and sample code provided by Google.
     *
     * ? API 23 ()?? , ?? RECO SDK  
     *   (ACCESS_COARSE_LOCATION ? ACCESS_FINE_LOCATION)?  .
     *  ? , ?  ?  ?.
     *
     * http://www.google.com/design/spec/patterns/permissions.html
     * https://github.com/googlesamples/android-RuntimePermissions
     */
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        if (ActivityCompat.checkSelfPermission(getApplicationContext(),
                Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            Log.i("MainActivity",
                    "The location permission (ACCESS_COARSE_LOCATION or ACCESS_FINE_LOCATION) is not granted.");
            this.requestLocationPermission();
        } else {
            Log.i("MainActivity",
                    "The location permission (ACCESS_COARSE_LOCATION or ACCESS_FINE_LOCATION) is already granted.");
        }
    }
}

---

From source file:com.agustinprats.myhrv.MainActivity.java

/** Ensures Bluetooth is enabled on the device.  If Bluetooth is not currently enabled,
 *  fire an intent to display a dialog asking the user to grant permission to enable it. */
public void requestEnableBt() {

    if (!isBluetoothEnabled()) {

        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
    }/*from ww w. jav a  2s  . c o  m*/
}

---

From source file:com.evothings.BLE.java

private void checkPowerState(BluetoothAdapter adapter, CallbackContext cc, Runnable onPowerOn) {
    if (adapter == null) {
        return;/*from   w w  w  .  j  a v  a2s. co  m*/
    }
    if (adapter.getState() == BluetoothAdapter.STATE_ON) {
        // Bluetooth is ON
        onPowerOn.run();
    } else {
        mOnPowerOn = onPowerOn;
        mPowerOnCallbackContext = cc;
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        cordova.startActivityForResult(this, enableBtIntent, 0);
    }
}

---

From source file:com.microchip.pcs.DeviceScanActivity.java

@Override
protected void onResume() {
    super.onResume();
    ContextCompat.checkSelfPermission(DeviceScanActivity.this, Manifest.permission.ACCESS_COARSE_LOCATION);

    if (ContextCompat.checkSelfPermission(DeviceScanActivity.this,
            Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {

        if (ActivityCompat.shouldShowRequestPermissionRationale(DeviceScanActivity.this,
                Manifest.permission.ACCESS_COARSE_LOCATION)) {

        } else {/* w  w w.j  av  a2 s .c om*/

            ActivityCompat.requestPermissions(DeviceScanActivity.this,
                    new String[] { Manifest.permission.ACCESS_COARSE_LOCATION }, 1);

        }
    }
    ContextCompat.checkSelfPermission(DeviceScanActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE);

    if (ContextCompat.checkSelfPermission(DeviceScanActivity.this,
            Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {

        if (ActivityCompat.shouldShowRequestPermissionRationale(DeviceScanActivity.this,
                Manifest.permission.WRITE_EXTERNAL_STORAGE)) {

        } else {

            ActivityCompat.requestPermissions(DeviceScanActivity.this,
                    new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE }, 1);

        }

    }

    if (!mBluetoothAdapter.isEnabled()) { //Check if BT is not enabled
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); //Create an intent to get permission to enable BT
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT); //Fire the intent to start the activity that will return a result based on user response
    }

    mLeDeviceListAdapter = new LeDeviceListAdapter(); //Create new list adapter to hold list of BLE devices found during scan
    setListAdapter(mLeDeviceListAdapter); //Bind our ListActivity to the new list adapter
    scanLeDevice(true);
}

---

From source file:app.wz.MainActivity.java

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

    self = this;//from   w  ww. j  a  v a2s. c o m

    requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
    setProgressBarIndeterminateVisibility(false);

    setContentView(R.layout.layout_main);

    // initialize your android device sensor capabilities
    mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);

    powerManager = (PowerManager) getSystemService(POWER_SERVICE);
    wakeLock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "MyWakelockTag");

    wifiManager = (WifiManager) getSystemService(Context.WIFI_SERVICE);
    lock = wifiManager.createWifiLock(WifiManager.WIFI_MODE_FULL, "LockTag");

    prefs = PreferenceManager.getDefaultSharedPreferences(this.getApplicationContext());

    textScroll = (ScrollView) findViewById(R.id.textScroll);
    textRead = (TextView) findViewById(R.id.textRead);

    commStatus = (TextView) findViewById(R.id.commStatus);
    pingStatus = (TextView) findViewById(R.id.pingStatus);
    inputCmd = (EditText) findViewById(R.id.inputCmd);
    inputVal = (EditText) findViewById(R.id.inputVal);

    gb = (GlobalApp) getApplication();

    gb.bt = new BluetoothSPP(this);
    bt = gb.bt;
    gb.arduino = new ArduinoFirmata(this, bt);
    arduino = gb.arduino;

    gb.neuro = new NeuroInterface(prefs, gb);

    neuro = gb.neuro;

    if (prefs.getBoolean("autoload", false)) {
        if (neuro.loadWeights(prefs.getString("last_save", ""))) {
            textRead.append("Restored Weights at Step " + neuro.count + "\n");
            textScroll.fullScroll(View.FOCUS_DOWN);
        }
    }

    if (!bt.isBluetoothAvailable()) {
        Toast.makeText(getApplicationContext(), "Bluetooth is not available", Toast.LENGTH_SHORT).show();
        finish();
    }

    bt.setOnDataReceivedListener(new OnDataReceivedListener() {
        public void onDataReceived(byte[] data, String message) {
            gb.lastResponseBT = System.currentTimeMillis();
            arduino.processInput(data);
        }
    });

    bt.setBluetoothConnectionListener(new BluetoothConnectionListener() {
        public void onDeviceDisconnected() {

            haltNeuro();

            commStatus.setText("Status : Not Connected");
            menu.clear();
            getMenuInflater().inflate(R.menu.connection, menu);
        }

        public void onDeviceConnectionFailed() {
            commStatus.setText("Status : Connection Failed");
        }

        public void onDeviceConnected(String name, String address) {
            commStatus.setText("Status : Connected to " + name);
            menu.clear();
            getMenuInflater().inflate(R.menu.disconnection, menu);
        }
    });

    //        bt.setAutoConnectionListener(new BluetoothSPP.AutoConnectionListener() {
    //            public void onNewConnection(String name, String address) {
    //                Log.i("Check", "New Connection - " + name + " - " + address);
    //            }
    //
    //            public void onAutoConnectionStarted() {
    //                Log.i("Check", "Auto connection started");
    //            }
    //        });

    if (!bt.isBluetoothEnabled()) {
        Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        startActivityForResult(intent, BluetoothState.REQUEST_ENABLE_BT);
    } else {
        if (!bt.isServiceAvailable()) {
            bt.setupService();
            bt.startService(BluetoothState.DEVICE_ANDROID);
            setup();
        }
    }

    refreshPing.start();
    neuroThread.start();

    new Thread() {
        public void run() {
            while (true) {
                try {
                    Thread.sleep(500);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                if (neuro.count > neuro.lastDisplay) {
                    neuro.lastDisplay = neuro.count;
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            if (!neuro.halt) {
                                textRead.append(
                                        "P err:  " + (new DecimalFormat("0.000E0")).format(neuro.avg_error)
                                                + "    O err:  "
                                                + (new DecimalFormat("0.000E0")).format(neuro.avg_obj_error)
                                                + "    stp:  " + neuro.count + "\n");

                                textScroll.fullScroll(View.FOCUS_DOWN);
                            }
                        }
                    });
                }
            }
        }
    }.start();

    new Thread() {
        public void run() {
            while (true) {
                try {
                    Thread.sleep(10000);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        if (textRead.length() > 20000)
                            textRead.setText("");
                    }
                });
            }
        }
    }.start();

}

---

From source file:pl.mrwojtek.sensrec.app.HeartRateDialog.java

private void requestEnableBluetooth() {
    Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
    startActivityForResult(intent, BLUETOOTH_ENABLE_REQUEST_CODE);
}

---

From source file:com.example.hudpassthrough.BluetoothChat.java

@Override
public void onStart() {
    super.onStart();
    if (D)//w  ww.ja  va  2 s .  com
        Log.e(TAG, "++ ON START ++");

    // 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 {
        if (mChatService == null)
            setupChat();
    }
}

---

From source file:com.mohammedx.cart.android.client.BluetoothFragment.java

@Override
public void onStart() {
    super.onStart();

    // 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 if (mChatService == null) {
        setupChat();/* w w  w . j a v  a  2  s . c o  m*/
        Intent serverIntent = new Intent(getActivity(), ScanActivity.class);
        startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE_SECURE);
    }
}

---

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