Example usage for android.bluetooth BluetoothAdapter startLeScan

Introduction

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

Prototype

@Deprecated
@RequiresPermission(Manifest.permission.BLUETOOTH_ADMIN)
public boolean startLeScan(LeScanCallback callback) 

Source Link

Document

Starts a scan for Bluetooth LE devices.

Usage

From source file:com.mooshim.mooshimeter.main.ScanActivity.java

public synchronized void startScan() {
    if (mScanOngoing)
        return;/*from  www . j a  v a 2  s.co  m*/
    mScanOngoing = true;

    final Handler h = new Handler();
    mBtnScan.setEnabled(false);
    updateScanningButton(false);
    // Prune disconnected meters
    List<MooshimeterDevice> remove = new ArrayList<MooshimeterDevice>();
    for (MooshimeterDevice m : mMeterList) {
        if (m.mConnectionState == BluetoothProfile.STATE_DISCONNECTED) {
            remove.add(m);
        }
    }
    for (MooshimeterDevice m : remove) {
        mDeviceScrollView.removeView(mTileList.remove(mMeterList.indexOf(m)));
        mMeterList.remove(m);
        mMeterDict.remove(m.getAddress());
    }
    refreshAllMeterTiles();

    final BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
    if (!bluetoothAdapter.startLeScan(mLeScanCallback)) {
        // Starting the scan failed!
        Log.e(TAG, "Failed to start BLE Scan");
        setError("Failed to start scan");
    }
    h.postDelayed(new Runnable() {
        @Override
        public void run() {
            mBtnScan.setEnabled(true);
            updateScanningButton(false);
            final BluetoothAdapter bluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
            bluetoothAdapter.stopLeScan(mLeScanCallback);
            mScanOngoing = false;
        }
    }, 5000);
}

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From source file:com.evothings.BLE.java

private void startScan(final CordovaArgs args, final CallbackContext callbackContext) {
    final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
    final LeScanCallback self = this;
    checkPowerState(adapter, callbackContext, new Runnable() {
        @Override/*from  w  ww .j  av a  2s .  c om*/
        public void run() {
            if (!adapter.startLeScan(self)) {
                callbackContext.error("Android function startLeScan failed");
                return;
            }
            mScanCallbackContext = callbackContext;
        }
    });
}

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