Mixing
Android Bluetooth: ArrayAdapter doesnt fill . (Spinner)
-2
This code doesnt work, It should appear all devices in spinner. I Include Manifest code , mRecieve and Oncreate.
My Manifest Code:
`<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />`
My mReceiver:
`private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
String deviceName = device.getName();
String deviceHardwareAddress = device.getAddress();
spinnerArrayAdapter.add(deviceName+ "n"+deviceHardwareAddress);
spinnerArrayAdapter.notifyDataSetChanged();
}
}`
My On Create :
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_settings);
spinner_bluetooth_list = findViewById(R.id.spinner);
txt_password = findViewById(R.id.txt_password);
txt_mac_address = findViewById(R.id.txt_mac_address);
spinnerArrayAdapter = new ArrayAdapter(SettingsActivity.this, android.R.layout.simple_list_item_1);
spinner_bluetooth_list.setAdapter(spinnerArrayAdapter);
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(mReceiver, filter);
}
android bluetooth spinner asked Nov 20 '18 at 1:36
Sigrid LangenbergSigrid Langenberg
45
add a comment |
-2
This code doesnt work, It should appear all devices in spinner. I Include Manifest code , mRecieve and Oncreate.
My Manifest Code:
`<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />`
My mReceiver:
`private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
String deviceName = device.getName();
String deviceHardwareAddress = device.getAddress();
spinnerArrayAdapter.add(deviceName+ "n"+deviceHardwareAddress);
spinnerArrayAdapter.notifyDataSetChanged();
}
}`
My On Create :
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_settings);
spinner_bluetooth_list = findViewById(R.id.spinner);
txt_password = findViewById(R.id.txt_password);
txt_mac_address = findViewById(R.id.txt_mac_address);
spinnerArrayAdapter = new ArrayAdapter(SettingsActivity.this, android.R.layout.simple_list_item_1);
spinner_bluetooth_list.setAdapter(spinnerArrayAdapter);
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(mReceiver, filter);
}
asked Nov 20 '18 at 1:36
Sigrid LangenbergSigrid Langenberg
45
Please share more source code.
– Mad code
Nov 20 '18 at 3:00
It would be much easier to understand what's going on if your code was properly formatted
– Andrey Busik
Nov 20 '18 at 4:35
yes i have. . and i call startdiscovery
– Sigrid Langenberg
Nov 22 '18 at 0:06
add a comment |
-2
-2
-2
This code doesnt work, It should appear all devices in spinner. I Include Manifest code , mRecieve and Oncreate.
My Manifest Code:
`<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />`
My mReceiver:
`private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
String deviceName = device.getName();
String deviceHardwareAddress = device.getAddress();
spinnerArrayAdapter.add(deviceName+ "n"+deviceHardwareAddress);
spinnerArrayAdapter.notifyDataSetChanged();
}
}`
My On Create :
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_settings);
spinner_bluetooth_list = findViewById(R.id.spinner);
txt_password = findViewById(R.id.txt_password);
txt_mac_address = findViewById(R.id.txt_mac_address);
spinnerArrayAdapter = new ArrayAdapter(SettingsActivity.this, android.R.layout.simple_list_item_1);
spinner_bluetooth_list.setAdapter(spinnerArrayAdapter);
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(mReceiver, filter);
}
asked Nov 20 '18 at 1:36
Sigrid LangenbergSigrid Langenberg
45
This code doesnt work, It should appear all devices in spinner. I Include Manifest code , mRecieve and Oncreate.
My Manifest Code:
`<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />`
My mReceiver:
`private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
String deviceName = device.getName();
String deviceHardwareAddress = device.getAddress();
spinnerArrayAdapter.add(deviceName+ "n"+deviceHardwareAddress);
spinnerArrayAdapter.notifyDataSetChanged();
}
}`
My On Create :
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_settings);
spinner_bluetooth_list = findViewById(R.id.spinner);
txt_password = findViewById(R.id.txt_password);
txt_mac_address = findViewById(R.id.txt_mac_address);
spinnerArrayAdapter = new ArrayAdapter(SettingsActivity.this, android.R.layout.simple_list_item_1);
spinner_bluetooth_list.setAdapter(spinnerArrayAdapter);
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(mReceiver, filter);
}
asked Nov 20 '18 at 1:36
Sigrid LangenbergSigrid Langenberg
45
asked Nov 20 '18 at 1:36
Sigrid LangenbergSigrid Langenberg
45
edited Nov 21 '18 at 1:51
Sigrid Langenberg
asked Nov 20 '18 at 1:36
Sigrid LangenbergSigrid Langenberg
45
asked Nov 20 '18 at 1:36
Sigrid LangenbergSigrid Langenberg
45
asked Nov 20 '18 at 1:36
Sigrid LangenbergSigrid Langenberg
45
45
Please share more source code.
– Mad code
Nov 20 '18 at 3:00
It would be much easier to understand what's going on if your code was properly formatted
– Andrey Busik
Nov 20 '18 at 4:35
yes i have. . and i call startdiscovery
– Sigrid Langenberg
Nov 22 '18 at 0:06
add a comment |
Please share more source code.
– Mad code
Nov 20 '18 at 3:00
It would be much easier to understand what's going on if your code was properly formatted
– Andrey Busik
Nov 20 '18 at 4:35
yes i have. . and i call startdiscovery
– Sigrid Langenberg
Nov 22 '18 at 0:06
Please share more source code.
– Mad code
Nov 20 '18 at 3:00
Please share more source code.
– Mad code
Nov 20 '18 at 3:00
It would be much easier to understand what's going on if your code was properly formatted
– Andrey Busik
Nov 20 '18 at 4:35
It would be much easier to understand what's going on if your code was properly formatted
– Andrey Busik
Nov 20 '18 at 4:35
yes i have. . and i call startdiscovery
– Sigrid Langenberg
Nov 22 '18 at 0:06
yes i have. . and i call startdiscovery
– Sigrid Langenberg
Nov 22 '18 at 0:06
add a comment |
2 Answers
2
active
oldest
votes
0
I did not get what you're trying to do
Firstly be sure that you sent IntentFilter to this BroadCast
if you do not this snippet will help you
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(broadcastReceiver, filter);
if the first step is done then be sure you have already started the discovery
mBluetoothAdapter.startDiscovery();
and do not forget when you finished (to not get involved in performance issues)
mBluetoothAdapter.cancelDiscovery();
Ensure declaring all permissions that required for what you want .
if the previous steps did not solve your problem please describe your problem in more details because your problem is blurred.
answered Nov 20 '18 at 3:08
Moahemd AbdelkhaleqMoahemd Abdelkhaleq
236
see updated post
– Sigrid Langenberg
Nov 21 '18 at 5:23
listen to me you did not start Discovery try using mBluetoothAdapter.startDiscovery();
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:37
do you have an facebook account ? if you want i have a group in Facebook for only android developers in java and there are a lot of professionals
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:41
yes i have facebook. and i start Discovery and it still doesnt work.
– Sigrid Langenberg
Nov 22 '18 at 0:07
Okay post the whole code of this activity. try next time to share more detailed problem.
– Moahemd Abdelkhaleq
Nov 22 '18 at 6:13
|
show 6 more comments
0
Shouldn't you invoke notifyDataSetChanged() for Adapter?
private final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice bluetoothDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
spinnerArrayAdapter.add(bluetoothDevice.getName() + "n"
+ bluetoothDevice.getAddress());
spinnerArrayAdapter.notifyDataSetChanged() //OVER HERE!
}
}
};
answered Nov 20 '18 at 4:17
Andrey BusikAndrey Busik
6113
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
I did not get what you're trying to do
Firstly be sure that you sent IntentFilter to this BroadCast
if you do not this snippet will help you
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(broadcastReceiver, filter);
if the first step is done then be sure you have already started the discovery
mBluetoothAdapter.startDiscovery();
and do not forget when you finished (to not get involved in performance issues)
mBluetoothAdapter.cancelDiscovery();
Ensure declaring all permissions that required for what you want .
if the previous steps did not solve your problem please describe your problem in more details because your problem is blurred.
answered Nov 20 '18 at 3:08
Moahemd AbdelkhaleqMoahemd Abdelkhaleq
236
see updated post
– Sigrid Langenberg
Nov 21 '18 at 5:23
listen to me you did not start Discovery try using mBluetoothAdapter.startDiscovery();
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:37
do you have an facebook account ? if you want i have a group in Facebook for only android developers in java and there are a lot of professionals
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:41
yes i have facebook. and i start Discovery and it still doesnt work.
– Sigrid Langenberg
Nov 22 '18 at 0:07
Okay post the whole code of this activity. try next time to share more detailed problem.
– Moahemd Abdelkhaleq
Nov 22 '18 at 6:13
|
show 6 more comments
0
I did not get what you're trying to do
Firstly be sure that you sent IntentFilter to this BroadCast
if you do not this snippet will help you
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(broadcastReceiver, filter);
if the first step is done then be sure you have already started the discovery
mBluetoothAdapter.startDiscovery();
and do not forget when you finished (to not get involved in performance issues)
mBluetoothAdapter.cancelDiscovery();
Ensure declaring all permissions that required for what you want .
if the previous steps did not solve your problem please describe your problem in more details because your problem is blurred.
answered Nov 20 '18 at 3:08
Moahemd AbdelkhaleqMoahemd Abdelkhaleq
236
see updated post
– Sigrid Langenberg
Nov 21 '18 at 5:23
listen to me you did not start Discovery try using mBluetoothAdapter.startDiscovery();
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:37
do you have an facebook account ? if you want i have a group in Facebook for only android developers in java and there are a lot of professionals
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:41
yes i have facebook. and i start Discovery and it still doesnt work.
– Sigrid Langenberg
Nov 22 '18 at 0:07
Okay post the whole code of this activity. try next time to share more detailed problem.
– Moahemd Abdelkhaleq
Nov 22 '18 at 6:13
|
show 6 more comments
0
0
0
I did not get what you're trying to do
Firstly be sure that you sent IntentFilter to this BroadCast
if you do not this snippet will help you
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(broadcastReceiver, filter);
if the first step is done then be sure you have already started the discovery
mBluetoothAdapter.startDiscovery();
and do not forget when you finished (to not get involved in performance issues)
mBluetoothAdapter.cancelDiscovery();
Ensure declaring all permissions that required for what you want .
if the previous steps did not solve your problem please describe your problem in more details because your problem is blurred.
answered Nov 20 '18 at 3:08
Moahemd AbdelkhaleqMoahemd Abdelkhaleq
236
I did not get what you're trying to do
Firstly be sure that you sent IntentFilter to this BroadCast
if you do not this snippet will help you
IntentFilter filter = new IntentFilter(BluetoothDevice.ACTION_FOUND);
registerReceiver(broadcastReceiver, filter);
if the first step is done then be sure you have already started the discovery
mBluetoothAdapter.startDiscovery();
and do not forget when you finished (to not get involved in performance issues)
mBluetoothAdapter.cancelDiscovery();
Ensure declaring all permissions that required for what you want .
if the previous steps did not solve your problem please describe your problem in more details because your problem is blurred.
answered Nov 20 '18 at 3:08
Moahemd AbdelkhaleqMoahemd Abdelkhaleq
236
answered Nov 20 '18 at 3:08
Moahemd AbdelkhaleqMoahemd Abdelkhaleq
236
answered Nov 20 '18 at 3:08
Moahemd AbdelkhaleqMoahemd Abdelkhaleq
236
answered Nov 20 '18 at 3:08
Moahemd AbdelkhaleqMoahemd Abdelkhaleq
236
236
see updated post
– Sigrid Langenberg
Nov 21 '18 at 5:23
listen to me you did not start Discovery try using mBluetoothAdapter.startDiscovery();
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:37
do you have an facebook account ? if you want i have a group in Facebook for only android developers in java and there are a lot of professionals
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:41
yes i have facebook. and i start Discovery and it still doesnt work.
– Sigrid Langenberg
Nov 22 '18 at 0:07
Okay post the whole code of this activity. try next time to share more detailed problem.
– Moahemd Abdelkhaleq
Nov 22 '18 at 6:13
|
show 6 more comments
see updated post
– Sigrid Langenberg
Nov 21 '18 at 5:23
listen to me you did not start Discovery try using mBluetoothAdapter.startDiscovery();
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:37
do you have an facebook account ? if you want i have a group in Facebook for only android developers in java and there are a lot of professionals
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:41
yes i have facebook. and i start Discovery and it still doesnt work.
– Sigrid Langenberg
Nov 22 '18 at 0:07
Okay post the whole code of this activity. try next time to share more detailed problem.
– Moahemd Abdelkhaleq
Nov 22 '18 at 6:13
see updated post
– Sigrid Langenberg
Nov 21 '18 at 5:23
see updated post
– Sigrid Langenberg
Nov 21 '18 at 5:23
listen to me you did not start Discovery try using mBluetoothAdapter.startDiscovery();
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:37
listen to me you did not start Discovery try using mBluetoothAdapter.startDiscovery();
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:37
do you have an facebook account ? if you want i have a group in Facebook for only android developers in java and there are a lot of professionals
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:41
do you have an facebook account ? if you want i have a group in Facebook for only android developers in java and there are a lot of professionals
– Moahemd Abdelkhaleq
Nov 21 '18 at 15:41
yes i have facebook. and i start Discovery and it still doesnt work.
– Sigrid Langenberg
Nov 22 '18 at 0:07
yes i have facebook. and i start Discovery and it still doesnt work.
– Sigrid Langenberg
Nov 22 '18 at 0:07
Okay post the whole code of this activity. try next time to share more detailed problem.
– Moahemd Abdelkhaleq
Nov 22 '18 at 6:13
Okay post the whole code of this activity. try next time to share more detailed problem.
– Moahemd Abdelkhaleq
Nov 22 '18 at 6:13
|
show 6 more comments
0
Shouldn't you invoke notifyDataSetChanged() for Adapter?
private final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice bluetoothDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
spinnerArrayAdapter.add(bluetoothDevice.getName() + "n"
+ bluetoothDevice.getAddress());
spinnerArrayAdapter.notifyDataSetChanged() //OVER HERE!
}
}
};
answered Nov 20 '18 at 4:17
Andrey BusikAndrey Busik
6113
add a comment |
0
Shouldn't you invoke notifyDataSetChanged() for Adapter?
private final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice bluetoothDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
spinnerArrayAdapter.add(bluetoothDevice.getName() + "n"
+ bluetoothDevice.getAddress());
spinnerArrayAdapter.notifyDataSetChanged() //OVER HERE!
}
}
};
answered Nov 20 '18 at 4:17
Andrey BusikAndrey Busik
6113
add a comment |
0
0
0
Shouldn't you invoke notifyDataSetChanged() for Adapter?
private final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice bluetoothDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
spinnerArrayAdapter.add(bluetoothDevice.getName() + "n"
+ bluetoothDevice.getAddress());
spinnerArrayAdapter.notifyDataSetChanged() //OVER HERE!
}
}
};
answered Nov 20 '18 at 4:17
Andrey BusikAndrey Busik
6113
Shouldn't you invoke notifyDataSetChanged() for Adapter?
private final BroadcastReceiver broadcastReceiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (BluetoothDevice.ACTION_FOUND.equals(action)) {
BluetoothDevice bluetoothDevice = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
spinnerArrayAdapter.add(bluetoothDevice.getName() + "n"
+ bluetoothDevice.getAddress());
spinnerArrayAdapter.notifyDataSetChanged() //OVER HERE!
}
}
};
answered Nov 20 '18 at 4:17
Andrey BusikAndrey Busik
6113
answered Nov 20 '18 at 4:17
Andrey BusikAndrey Busik
6113
answered Nov 20 '18 at 4:17
Andrey BusikAndrey Busik
6113
answered Nov 20 '18 at 4:17
Andrey BusikAndrey Busik
6113
6113
add a comment |
add a comment |
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Please share more source code.
– Mad code
Nov 20 '18 at 3:00
It would be much easier to understand what's going on if your code was properly formatted
– Andrey Busik
Nov 20 '18 at 4:35
yes i have. . and i call startdiscovery
– Sigrid Langenberg
Nov 22 '18 at 0:06