[ACCEPTED]-notification if the Bluetooth is turned off in android app-bluetooth
Accepted answer
Register BroadcastReceiver with intent action BluetoothAdapter.ACTION_STATE_CHANGED and move your 2 notifiyng code into onReceive method. Don't forget 1 to check if new state is OFF
if(BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
if(intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, -1)
== BluetoothAdapter.STATE_OFF)
// Bluetooth was disconnected
}
If you want to detect when the user is DISCONNECTING 3 his Bluetooth, and later, detect when the 2 user has his Bluetooth DISCONNECTED, you 1 should do the following steps:
1) Get the user BluetoothAdapter:
BluetoothAdapter btAdapter = BluetoothAdapter.getDefaultAdapter();
2) Create and configure your Receiver, with a code as this:
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
// It means the user has changed his bluetooth state.
if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED)) {
if (btAdapter.getState() == BluetoothAdapter.STATE_TURNING_OFF) {
// The user bluetooth is turning off yet, but it is not disabled yet.
return;
}
if (btAdapter.getState() == BluetoothAdapter.STATE_OFF) {
// The user bluetooth is already disabled.
return;
}
}
}
};
3) Register your BroadcastReceiver into your Activity:
this.registerReceiver(mReceiver, new IntentFilter(BluetoothAdapter.ACTION_STATE_CHANGED));
Source:
stackoverflow.com
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