Example usage for android.content.pm PackageManager FEATURE_BLUETOOTH

Introduction

In this page you can find the example usage for android.content.pm PackageManager FEATURE_BLUETOOTH_LE.

Prototype

String FEATURE_BLUETOOTH_LE

To view the source code for android.content.pm PackageManager FEATURE_BLUETOOTH_LE.

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Document

Feature for #getSystemAvailableFeatures and #hasSystemFeature : The device is capable of communicating with other devices via Bluetooth Low Energy radio.

Usage

From source file:com.example.android.bluetoothlegatt.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // 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, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();/*from  www  .  j  av a2 s  . c  o  m*/
    }

    // Prompt for permissions
    if (ContextCompat.checkSelfPermission(this,
            Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
        Log.w("BleActivity", "Location access not granted!");
        ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_COARSE_LOCATION },
                MY_PERMISSION_RESPONSE);
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }
}

From source file:com.github.w666.ezonwatch.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // 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, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();/*from  w  w w .  ja v a2  s. c  o m*/
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }

    if (!(Preferences.readDeviceAddress(getApplicationContext()) == null)
            && !(Preferences.readDeviceName(getApplicationContext()) == null)) {
        final Intent intent = new Intent(this, DeviceControlActivity.class);
        startActivity(intent);
    }
}

From source file:me.iasc.microduino.blueserial.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // 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, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();/*from   w  ww.  j a v  a  2  s . co  m*/
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }

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

From source file:ch.ethz.inf.vs.a1.fabischn.ble.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // TODO when bluetooth is off, concurrently the onCreate keeps running.
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_LONG).show();
        finish();//  ww  w. j  av  a  2  s  .  c om
        return;
    }

    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // TODO onActivityResult, check if Cancelled or not, then continue or leave
    if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) {
        Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
        // REQUEST_ENABLE_BT will be returned as requestCode from onActivityResult
        startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
    }

    // TODO change this if onActivity Result is used
    // Continues scanning if enabled, else toast and finish
    if (mBluetoothAdapter == null || !mBluetoothAdapter.isEnabled()) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_LONG).show();
        finish();
        return;
    }

    // TODO lookup the correct idiom for this, look at onRequestPermissionsResult
    // We need this for Android 6.0+
    if (checkLocationPermission()) {

    } else {
        ActivityCompat.requestPermissions(this,
                new String[] { android.Manifest.permission.ACCESS_FINE_LOCATION }, 1);
    }

    if (mBluetoothAdapter != null) {
        mBluetoothLeScanner = mBluetoothAdapter.getBluetoothLeScanner();
    }
    ScanFilter.Builder filterBuilder = new ScanFilter.Builder();
    mScanFilter = filterBuilder.setDeviceName("Smart Humigadget").build();
    ScanSettings.Builder settingsBuilder = new ScanSettings.Builder();
    mScanSettings = settingsBuilder.setScanMode(ScanSettings.SCAN_MODE_LOW_LATENCY)
            //                .setMatchMode(ScanSettings.CALLBACK_TYPE_ALL_MATCHES)
            //                .setCallbackType(ScanSettings.CALLBACK_TYPE_ALL_MATCHES)
            .build();
    mScanFilters = new ArrayList<ScanFilter>();
    mScanFilters.add(mScanFilter);

}

From source file:com.example.android.plenty.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    ActivityCompat.requestPermissions(this,
            new String[] { Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION,
                    Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE },
            MY_PERMISSIONS_REQUEST);//from www.j  a  v  a  2 s .  c o m

    // 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, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }
}

From source file:com.example.android.bluetoothlegatt.ui.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // 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, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();// w  w w  .  ja  v  a  2  s  .  c o  m
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }
}

From source file:com.amobletool.bluetooth.le.downexample.ui.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // ???ble ?,???
    if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
        Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
        finish();//from w w w  .  j av a2 s. c  o  m
    }

    // ? Bluetooth adapter, ?????(APIandroid4.3)
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();
    mBluetoothLeScanner = mBluetoothAdapter.getBluetoothLeScanner();

    // ???
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
        finish();
        return;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {// API level  23(Android 6.0) 
        //???
        if (ContextCompat.checkSelfPermission(this,
                Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            //??????
            if (ActivityCompat.shouldShowRequestPermissionRationale(this,
                    Manifest.permission.ACCESS_COARSE_LOCATION)) {
                //                    showToast("Android 6.0???????Ble");
            }
            //??
            ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.ACCESS_COARSE_LOCATION },
                    REQUEST_CODE_ACCESS_COARSE_LOCATION);
        }
    }
}

From source file:net.kenevans.android.bleexplorer.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    ActionBar actionBar = getActionBar();
    if (actionBar != null) {
        actionBar.setTitle(R.string.title_devices);
    }/*from w  w w.  j av a  2 s  . co m*/
    mHandler = new Handler();

    // 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, R.string.ble_not_supported, Toast.LENGTH_LONG).show();
        finish();
    }

    // Initializes a Bluetooth adapter. For API level 18 and above, get a
    // reference to BluetoothAdapter through BluetoothManager.
    mBluetoothAdapter = null;
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    if (bluetoothManager == null) {
        Toast.makeText(this, R.string.error_bluetooth_manager, Toast.LENGTH_LONG).show();
        finish();
        return;
    }
    try {
        mBluetoothAdapter = bluetoothManager.getAdapter();
    } catch (NullPointerException ex) {
        Toast.makeText(this, R.string.error_bluetooth_adapter, Toast.LENGTH_LONG).show();
    }

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        String msg = getString(R.string.bluetooth_not_supported);
        Utils.errMsg(this, msg);
        Toast.makeText(this, msg, Toast.LENGTH_LONG).show();
        finish();
    }

    // Set result CANCELED in case the user backs out
    setResult(Activity.RESULT_CANCELED);
}

From source file:com.robotic.goldenridge.blecontroller.DeviceScanActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    //getSupportActionBar().setTitle(R.string.title_devices);
    // getActionBar().setTitle(R.string.title_devices);
    mHandler = new Handler();

    // Use this check to determine whether BLE is supported on the device.  Then you can
    // selectively disable BLE-related features.
    if (Utility.isLE()) {
        if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
            Toast.makeText(this, R.string.ble_not_supported, Toast.LENGTH_SHORT).show();
            finish();/*from w  w  w .ja  v  a2  s . co m*/
        }
    }

    // Initializes a Bluetooth adapter.  For API level 18 and above, get a reference to
    // BluetoothAdapter through BluetoothManager.
    final BluetoothManager bluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
    mBluetoothAdapter = bluetoothManager.getAdapter();

    // Checks if Bluetooth is supported on the device.
    if (mBluetoothAdapter == null) {
        Toast.makeText(this, R.string.bt_support_err, Toast.LENGTH_SHORT).show();
        finish();
        return;
    } else {
        //les = mBluetoothAdapter.getBluetoothLeScanner();
    }
}

Example usage for android.content.pm PackageManager FEATURE_BLUETOOTH_LE

Introduction

Prototype

Document

Usage