Programmatically perform a bonding

(i.e. bluetooth-level pairing). Previously the pairing appeared to
happen automagically, but this doesn't work (anymore). So now we first
pair on the bluetooth-level, then application level.
here
cpfeiffer 2016-01-06 00:14:24 +01:00
parent c425fd24ea
commit 41dde9a9c2
1 changed files with 70 additions and 3 deletions

View File

@ -1,15 +1,18 @@
package nodomain.freeyourgadget.gadgetbridge.devices.miband;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.preference.PreferenceManager;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;
import android.widget.TextView;
import android.widget.Toast;
@ -29,9 +32,12 @@ public class MiBandPairingActivity extends Activity {
private static final int REQ_CODE_USER_SETTINGS = 52;
private static final String STATE_MIBAND_ADDRESS = "mibandMacAddress";
private static final long DELAY_AFTER_BONDING = 1000; // 1s
private TextView message;
private boolean isPairing;
private String macAddress;
private String bondingMacAddress;
private final BroadcastReceiver mPairingReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
@ -45,6 +51,29 @@ public class MiBandPairingActivity extends Activity {
}
};
private final BroadcastReceiver mBondingReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (BluetoothDevice.ACTION_BOND_STATE_CHANGED.equals(intent.getAction())) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
if (bondingMacAddress != null && bondingMacAddress.equals(device.getAddress())) {
int bondState = intent.getIntExtra(BluetoothDevice.EXTRA_BOND_STATE, BluetoothDevice.BOND_NONE);
if (bondState == BluetoothDevice.BOND_BONDED) {
LOG.info("Bonded with " + device.getAddress());
bondingMacAddress = null;
Looper mainLooper = Looper.getMainLooper();
new Handler(mainLooper).postDelayed(new Runnable() {
@Override
public void run() {
performPair();
}
}, DELAY_AFTER_BONDING);
}
}
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@ -99,7 +128,13 @@ public class MiBandPairingActivity extends Activity {
@Override
protected void onDestroy() {
LocalBroadcastManager.getInstance(this).unregisterReceiver(mPairingReceiver);
try {
// just to be sure, remove the receivers -- might actually be already unregistered
LocalBroadcastManager.getInstance(this).unregisterReceiver(mPairingReceiver);
unregisterReceiver(mBondingReceiver);
} catch (IllegalArgumentException ex) {
// already unregistered, ignore
}
if (isPairing) {
stopPairing();
}
@ -109,15 +144,24 @@ public class MiBandPairingActivity extends Activity {
private void startPairing() {
isPairing = true;
message.setText(getString(R.string.miband_pairing, macAddress));
IntentFilter filter = new IntentFilter(GBDevice.ACTION_DEVICE_CHANGED);
LocalBroadcastManager.getInstance(this).registerReceiver(mPairingReceiver, filter);
filter = new IntentFilter(BluetoothDevice.ACTION_BOND_STATE_CHANGED);
registerReceiver(mBondingReceiver, filter);
GBApplication.deviceService().connect(macAddress, true);
BluetoothDevice device = BluetoothAdapter.getDefaultAdapter().getRemoteDevice(macAddress);
if (device != null) {
performBluetoothPair(device);
} else {
GB.toast(this, "No such Bluetooth Device: " + macAddress, Toast.LENGTH_LONG, GB.ERROR);
}
}
private void pairingFinished(boolean pairedSuccessfully) {
isPairing = false;
LocalBroadcastManager.getInstance(this).unregisterReceiver(mPairingReceiver);
unregisterReceiver(mBondingReceiver);
if (pairedSuccessfully) {
SharedPreferences sharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
@ -133,4 +177,27 @@ public class MiBandPairingActivity extends Activity {
// TODO
isPairing = false;
}
protected void performBluetoothPair(BluetoothDevice device) {
int bondState = device.getBondState();
if (bondState == BluetoothDevice.BOND_BONDED) {
LOG.info("Already bonded: " + device.getAddress());
performPair();
return;
}
bondingMacAddress = device.getAddress();
if (bondState == BluetoothDevice.BOND_BONDING) {
LOG.info("Bonding in progress: " + device.getAddress());
return;
}
if (!device.createBond()) {
GB.toast(this, "Unable to pair with " + device.getAddress(), Toast.LENGTH_LONG, GB.ERROR);
}
}
private void performPair() {
GBApplication.deviceService().connect(macAddress, true);
}
}