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Add bind() with PIN. #406

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Add bind() with PIN. #406

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99 changes: 75 additions & 24 deletions src/android/com/megster/cordova/BluetoothSerial.java
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ public class BluetoothSerial extends CordovaPlugin {
private static final String LIST = "list";
private static final String CONNECT = "connect";
private static final String CONNECT_INSECURE = "connectInsecure";
private static final String BIND = "bind";
private static final String DISCONNECT = "disconnect";
private static final String WRITE = "write";
private static final String AVAILABLE = "available";
Expand Down Expand Up @@ -119,6 +120,10 @@ public boolean execute(String action, CordovaArgs args, CallbackContext callback
boolean secure = false;
connect(args, secure, callbackContext);

} else if (action.equals(BIND)) {

bind(args, callbackContext);

} else if (action.equals(DISCONNECT)) {

connectCallback = null;
Expand Down Expand Up @@ -301,7 +306,7 @@ public void onReceive(Context context, Intent intent) {
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
try {
JSONObject o = deviceToJSON(device);
JSONObject o = deviceToJSON(device);
unpairedDevices.put(o);
if (ddc != null) {
PluginResult res = new PluginResult(PluginResult.Status.OK, o);
Expand Down Expand Up @@ -354,28 +359,74 @@ private void connect(CordovaArgs args, boolean secure, CallbackContext callbackC
}
}

private void bind(CordovaArgs args, CallbackContext callbackContext) throws JSONException {
String macAddress = args.getString(0);
BluetoothDevice device = bluetoothAdapter.getRemoteDevice(macAddress);
if (device == null) {
Log.e(TAG, "Unknown device: " + macAddress);
callbackContext.error("Could not bind with " + macAddress);
return;
}

String Pin = args.getString(1);

final BroadcastReceiver pairingReceiver = new BroadcastReceiver() {

public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
int previousState = intent.getIntExtra(BluetoothDevice.EXTRA_PREVIOUS_BOND_STATE, 0);
int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE, 0);
Log.d(TAG, "Received: " + action + " previous: " + previousState + " current: " + bondState);
if (BluetoothDevice.ACTION_PAIRING_REQUEST.equals(action)) {
Log.d(TAG, "Setting the PIN");
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
byte[] pinBytes = Pin.getBytes();
device.setPin(pinBytes);
device.setPairingConfirmation(true);
}
if (bondState == BluetoothDevice.BOND_BONDED)
callbackContext.success("PAIRED correctly");
else if (bondState == BluetoothDevice.BOND_NONE)
callbackContext.error("PAIR failed because of state:" + bondState);
if (bondState == BluetoothDevice.BOND_BONDED || bondState == BluetoothDevice.BOND_NONE)
cordova.getActivity().unregisterReceiver(this);
}
};

Activity activity = cordova.getActivity();
activity.registerReceiver(pairingReceiver, new IntentFilter(BluetoothDevice.ACTION_BOND_STATE_CHANGED));
activity.registerReceiver(pairingReceiver, new IntentFilter(BluetoothDevice.ACTION_PAIRING_REQUEST));
activity.registerReceiver(pairingReceiver, new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));

if (!device.createBond()) {
Log.e(TAG, "Somehow unable to createBound(). Already bound ?");
callbackContext.success("PAIRED already");
}

}

// The Handler that gets information back from the BluetoothSerialService
// Original code used handler for the because it was talking to the UI.
// Consider replacing with normal callbacks
private final Handler mHandler = new Handler() {

public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_READ:
buffer.append((String)msg.obj);
public void handleMessage(Message msg) {
switch (msg.what) {
case MESSAGE_READ:
buffer.append((String) msg.obj);

if (dataAvailableCallback != null) {
sendDataToSubscriber();
}
if (dataAvailableCallback != null) {
sendDataToSubscriber();
}

break;
case MESSAGE_READ_RAW:
if (rawDataAvailableCallback != null) {
byte[] bytes = (byte[]) msg.obj;
sendRawDataToSubscriber(bytes);
}
break;
case MESSAGE_STATE_CHANGE:
break;
case MESSAGE_READ_RAW:
if (rawDataAvailableCallback != null) {
byte[] bytes = (byte[]) msg.obj;
sendRawDataToSubscriber(bytes);
}
break;
case MESSAGE_STATE_CHANGE:

if(D) Log.i(TAG, "MESSAGE_STATE_CHANGE: " + msg.arg1);
switch (msg.arg1) {
Expand Down Expand Up @@ -469,22 +520,22 @@ private String readUntil(String c) {
public void onRequestPermissionResult(int requestCode, String[] permissions,
int[] grantResults) throws JSONException {

for(int result:grantResults) {
if(result == PackageManager.PERMISSION_DENIED) {
for (int result : grantResults) {
if (result == PackageManager.PERMISSION_DENIED) {
LOG.d(TAG, "User *rejected* location permission");
this.permissionCallback.sendPluginResult(new PluginResult(
PluginResult.Status.ERROR,
"Location permission is required to discover unpaired devices.")
);
);
return;
}
}

switch(requestCode) {
case CHECK_PERMISSIONS_REQ_CODE:
LOG.d(TAG, "User granted location permission");
discoverUnpairedDevices(permissionCallback);
break;
switch (requestCode) {
case CHECK_PERMISSIONS_REQ_CODE:
LOG.d(TAG, "User granted location permission");
discoverUnpairedDevices(permissionCallback);
break;
}
}
}
9 changes: 7 additions & 2 deletions www/bluetoothSerial.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,11 @@ module.exports = {
cordova.exec(success, failure, "BluetoothSerial", "connectInsecure", [macAddress]);
},

// Android only
bind: function (macAddress, pin, success, failure) {
cordova.exec(success, failure, "BluetoothSerial", "bind", [macAddress, pin]);
},

disconnect: function (success, failure) {
cordova.exec(success, failure, "BluetoothSerial", "disconnect", []);
},
Expand Down Expand Up @@ -72,7 +77,7 @@ module.exports = {
// calls the success callback when new data is available with an ArrayBuffer
subscribeRawData: function (success, failure) {

successWrapper = function(data) {
successWrapper = function (data) {
// Windows Phone flattens an array of one into a number which
// breaks the API. Stuff it back into an ArrayBuffer.
if (typeof data === 'number') {
Expand Down Expand Up @@ -134,7 +139,7 @@ module.exports = {

};

var stringToArrayBuffer = function(str) {
var stringToArrayBuffer = function (str) {
var ret = new Uint8Array(str.length);
for (var i = 0; i < str.length; i++) {
ret[i] = str.charCodeAt(i);
Expand Down