android.bluetooth.BluetoothAdapter#getState

Source File: BluetoothRadioStatusListener.java From bitgatt with Mozilla Public License 2.0

6 votes

/**
 * Constructor for the listener, if desired as a convenience can start listening immediately
 *
 * @param context                   The android context
 * @param shouldInitializeListening Whether to attach to the global broadcast immediately
 */

BluetoothRadioStatusListener(Context context, boolean shouldInitializeListening) {
    this.context = context;
    BluetoothAdapter adapter = new GattUtils().getBluetoothAdapter(context);
    // if we are in this condition, something is seriously wrong
    this.currentState = (adapter != null) ? adapter.getState() : BluetoothAdapter.STATE_OFF;
    // this handler is to deliver the callbacks in the same way as they would usually
    // be delivered, but we want to avoid flapping ( user toggling on and off quickly )
    // so that our protocol stacks do not get set up in a half state
    this.mainHandler = new Handler(Looper.getMainLooper());
    if (shouldInitializeListening) {
        Timber.d("Starting listener");
        startListening();
    }
}

Source File: BaseScanner.java From neatle with MIT License

6 votes

private void conditionalStart() {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (adapter == null) {
        NeatleLogger.e("Bluetooth LE scan failed to start. No bluetooth adapter found");
        return;
    }
    int adapterState = adapter.getState();
    if (adapterState != BluetoothAdapter.STATE_ON) {
        NeatleLogger.e("Bluetooth off, will start scanning when it turns on.");
        pause();
        return;
    }

    onStart(adapter, scanMode);
    doStarted = true;
    if (scanDuration > 0) {
        handler.postDelayed(pauseCallback, scanDuration);
    }
}

Source File: BaseScanner.java From neatle with MIT License

6 votes

private void pause() {
    handler.removeCallbacks(pauseCallback);
    handler.removeCallbacks(resumeCallback);

    if (!scanning) {
        NeatleLogger.i("called pause, but there is no scanning in progress");
        return;
    }

    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (doStarted) {
        doStarted = false;
        onStop(adapter);
    }


    if (scanInterval > 0 && adapter.getState() == BluetoothAdapter.STATE_ON) {
        NeatleLogger.i("scanning paused, will resume in " + scanInterval + " milliseconds");
        handler.postDelayed(resumeCallback, scanInterval);
    } else {
        NeatleLogger.i("no scan interval set or bluetooth off, stopping scanning");
    }
}

Source File: BaseScanner.java From neatle with MIT License

6 votes

@Override
public void onReceive(Context context, Intent intent) {
    String action = intent.getAction();
    if (!action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
        return;
    }
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    int state = adapter.getState();
    if (state == BluetoothAdapter.STATE_ON) {
        NeatleLogger.i("BluetoothAdapter turned on");
        resume();
    } else {
        NeatleLogger.i("BluetoothAdapter state changed to " + state  +", turning off");
        pause();
    }
}

Source File: SystemIconController.java From GravityBox with Apache License 2.0

6 votes

private void updateBtIconVisibility() {
    if (mSbService == null || mBtMode == null) return;

    try {
        BluetoothAdapter btAdapter = BluetoothAdapter.getDefaultAdapter();
        if (btAdapter != null) {
            boolean enabled = btAdapter.getState() == BluetoothAdapter.STATE_ON;
            boolean connected = (Integer) XposedHelpers.callMethod(btAdapter, "getConnectionState") ==
                    BluetoothAdapter.STATE_CONNECTED;
            boolean visible;
            switch (mBtMode) {
                default:
                case DEFAULT: visible = enabled; break;
                case CONNECTED: visible = connected; break;
                case HIDDEN: visible = false; break;
            }
            if (DEBUG) log("updateBtIconVisibility: enabled=" + enabled + "; connected=" + connected +
                    "; visible=" + visible);
            XposedHelpers.callMethod(mSbService, "setIconVisibility", "bluetooth", visible);
        }
    } catch (Throwable t) {
        XposedBridge.log(t);
    }
}

Source File: BluetoothTetheringTile.java From GravityBox with Apache License 2.0

6 votes

@Override
public void handleUpdateState(Object state, Object arg) {
    mState.visible = true;
    mState.booleanValue = false;

    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();

    int btState = adapter == null ? BluetoothAdapter.ERROR : adapter.getState();
    if (isInErrorState(btState)) {
        mState.label = mGbContext.getString(R.string.qs_tile_bt_tethering_error);
        mState.icon = mGbContext.getDrawable(R.drawable.ic_qs_bt_tethering_off);
    } else if (btState == BluetoothAdapter.STATE_TURNING_ON ||
            btState == BluetoothAdapter.STATE_TURNING_OFF) {
        mState.label = "---";
        mState.icon = mGbContext.getDrawable(R.drawable.ic_qs_bt_tethering_off);
    } else if (btState == BluetoothAdapter.STATE_ON && isTetheringOn()) {
        mState.label = mGbContext.getString(R.string.qs_tile_bt_tethering_on);
        mState.icon = mGbContext.getDrawable(R.drawable.ic_qs_bt_tethering_on);
        mState.booleanValue = true;
    } else {
        mState.label = mGbContext.getString(R.string.qs_tile_bt_tethering_off);
        mState.icon = mGbContext.getDrawable(R.drawable.ic_qs_bt_tethering_off);
    }

    super.handleUpdateState(state, arg);
}

Source File: BluetoothTetheringTile.java From GravityBox with Apache License 2.0

6 votes

@Override
public void handleClick() {
    if (mBluetoothEnableForTether)
        return;

    if (isTetheringOn()) {
        setTethering(false);
    } else {
        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        if (adapter != null) {
            if (adapter.getState() == BluetoothAdapter.STATE_OFF) {
                mBluetoothEnableForTether = true;
                adapter.enable();
            } else if (adapter.getState() == BluetoothAdapter.STATE_ON) {
                setTethering(true);
            }
        }
    }
    refreshState();
}

Source File: BleManager.java From react-native-ble-manager with Apache License 2.0

6 votes

@ReactMethod
public void checkState() {
	Log.d(LOG_TAG, "checkState");

	BluetoothAdapter adapter = getBluetoothAdapter();
	String state = "off";
	if (!context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
		state = "unsupported";
	} else if (adapter != null) {
		switch (adapter.getState()) {
			case BluetoothAdapter.STATE_ON:
				state = "on";
				break;
			case BluetoothAdapter.STATE_OFF:
				state = "off";
		}
	}

	WritableMap map = Arguments.createMap();
	map.putString("state", state);
	Log.d(LOG_TAG, "state:" + state);
	sendEvent("BleManagerDidUpdateState", map);
}

Source File: BluetoothTetheringTile.java From GravityBox with Apache License 2.0

5 votes

private void registerServiceListener() {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (adapter != null && adapter.getState() == BluetoothAdapter.STATE_ON &&
            mBluetoothPan.get() == null) {
        adapter.getProfileProxy(mContext, mProfileServiceListener,
                BT_PROFILE_PAN);
        if (DEBUG) log("Service listener registered");
    }
}

Source File: BluetoothUtil.java From mirror with Apache License 2.0

5 votes

public static boolean isBluetoothAvailable() {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (!adapter.isEnabled()) {
        if (adapter.getState() == BluetoothAdapter.STATE_OFF) {
            adapter.enable();
        }
    }
    return adapter.getState() == BluetoothAdapter.STATE_ON;
}

Source File: StaticUtils.java From Status with Apache License 2.0

5 votes

public static int getBluetoothState(Context context) {
    BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    if (adapter != null) return adapter.getState();
    else {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2)
            adapter = ((BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE)).getAdapter();
        if (adapter != null) return adapter.getState();
        else return BluetoothAdapter.STATE_OFF;
    }
}

Source File: DeviceStatusUtil.java From AndroidStudyDemo with GNU General Public License v2.0

5 votes

/**
 * 获取蓝牙的状态
 * 
 * @return 取值为BluetoothAdapter的四个静态字段：STATE_OFF, STATE_TURNING_OFF,
 *         STATE_ON, STATE_TURNING_ON
 * @throws Exception
 *             没有找到蓝牙设备
 */
public static int getBluetoothState() throws Exception {
	BluetoothAdapter bluetoothAdapter = BluetoothAdapter
			.getDefaultAdapter();
	if (bluetoothAdapter == null) {
		throw new Exception("bluetooth device not found!");
	} else {
		return bluetoothAdapter.getState();
	}
}

Source File: NetworkUtil.java From bither-android with Apache License 2.0

5 votes

public static boolean BluetoothIsConnected() {
    try {
        BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
        int state = adapter.getState();
        return state == BluetoothAdapter.STATE_ON;
    } catch (Exception e) {
        e.printStackTrace();
        return false;
    }
}

Source File: CycledLeScannerForLollipop.java From android-beacon-library with Apache License 2.0

5 votes

private boolean isBluetoothOn() {
    try {
        BluetoothAdapter bluetoothAdapter = getBluetoothAdapter();
        if (bluetoothAdapter != null) {
            return (bluetoothAdapter.getState() == BluetoothAdapter.STATE_ON);
        }
        LogManager.w(TAG, "Cannot get bluetooth adapter");
    }
    catch (SecurityException e) {
        LogManager.w(TAG, "SecurityException checking if bluetooth is on");
    }
    return false;
}

Source File: BluetoothUtils.java From Android-BluetoothKit with Apache License 2.0

4 votes

public static int getBluetoothState() {
    BluetoothAdapter adapter = getBluetoothAdapter();
    return adapter != null ? adapter.getState() : 0;
}

Source File: BluetoothScanner.java From PhoneProfilesPlus with Apache License 2.0

4 votes

@SuppressLint("NewApi")
private int enableBluetooth(BluetoothAdapter bluetooth,
                            Handler bluetoothChangeHandler,
                            boolean forLE)
{
    //PPApplication.logE("$$$B BluetoothScanner.enableBluetooth","xxx");

    int bluetoothState = bluetooth.getState();
    int forceScan;
    if (!forLE)
        forceScan = ApplicationPreferences.prefForceOneBluetoothScan;
    else
        forceScan = ApplicationPreferences.prefForceOneBluetoothLEScan;

    //if ((!dataWrapper.getIsManualProfileActivation()) || forceScan)
    //{
    boolean isBluetoothEnabled = bluetoothState == BluetoothAdapter.STATE_ON;
    if (!isBluetoothEnabled)
    {
        boolean applicationEventBluetoothScanIfBluetoothOff = ApplicationPreferences.applicationEventBluetoothScanIfBluetoothOff;
        if (applicationEventBluetoothScanIfBluetoothOff || (forceScan != FORCE_ONE_SCAN_DISABLED))
        {
            //boolean bluetoothEventsExists = DatabaseHandler.getInstance(context).getTypeEventsCount(DatabaseHandler.ETYPE_BLUETOOTH_NEARBY, false) > 0;
            boolean scan = ((/*bluetoothEventsExists &&*/ applicationEventBluetoothScanIfBluetoothOff) ||
                    (forceScan == FORCE_ONE_SCAN_FROM_PREF_DIALOG));
            if (scan)
            {
                //PPApplication.logE("$$$B BluetoothScanner.enableBluetooth","set enabled");
                BluetoothScanWorker.setBluetoothEnabledForScan(context, true);
                if (!forLE)
                    BluetoothScanWorker.setScanRequest(context, true);
                else
                    BluetoothScanWorker.setLEScanRequest(context, true);
                final BluetoothAdapter _bluetooth = bluetooth;
                bluetoothChangeHandler.post(new Runnable() {
                    @Override
                    public void run() {
                        //PPApplication.logE("PPApplication.startHandlerThread", "START run - from=BluetoothScanner.doScan.1");

                        if (Permissions.checkBluetoothForEMUI(context)) {
                            //lock(); // lock is required for enabling bluetooth
                            //if (Build.VERSION.SDK_INT >= 26)
                            //    CmdBluetooth.setBluetooth(true);
                            //else
                                _bluetooth.enable();
                        }

                        //PPApplication.logE("PPApplication.startHandlerThread", "END run - from=BluetoothScanner.doScan.1");
                    }
                });
                return BluetoothAdapter.STATE_TURNING_ON;
            }
        }
    }
    else
    {
        //PPApplication.logE("$$$B BluetoothScanner.enableBluetooth","already enabled");
        return bluetoothState;
    }
    //}

    return bluetoothState;
}

Java Code Examples for android.bluetooth.BluetoothAdapter#getState()