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How to stop occurrence of same device again and again
How do I efficiently iterate over each entry in a Java Map?How do save an Android Activity state using save instance state?How do I read / convert an InputStream into a String in Java?How do I generate random integers within a specific range in Java?How do I determine whether an array contains a particular value in Java?Why is the Android emulator so slow? How can we speed up the Android emulator?Stop EditText from gaining focus at Activity startupIs there a unique Android device ID?How do I convert a String to an int in Java?How do I fix android.os.NetworkOnMainThreadException?
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I'm working on an android app that scans and listable device in a TextView . I'm not getting how to remove occurrence of same device again and again.
Below is the code i'm scanning devices. What amendments to make here?
private ScanCallback leScanCallback = new ScanCallback()
@Override
public void onScanResult(int callbackType, ScanResult result)
t_c.append("Device Name: " + result.getDevice().getName()
+ " rssi: " + result.getRssi() + "n");
;
java
android edited Mar 24 at 5:13
Matt C
2,40541836
asked Mar 23 at 19:52
Tara SinghTara Singh
54
add a comment |
I'm working on an android app that scans and listable device in a TextView . I'm not getting how to remove occurrence of same device again and again.
Below is the code i'm scanning devices. What amendments to make here?
private ScanCallback leScanCallback = new ScanCallback()
@Override
public void onScanResult(int callbackType, ScanResult result)
t_c.append("Device Name: " + result.getDevice().getName()
+ " rssi: " + result.getRssi() + "n");
;
java
android edited Mar 24 at 5:13
Matt C
2,40541836
asked Mar 23 at 19:52
Tara SinghTara Singh
54
Maintain a Set<> probably.
– Subir Kumar Sao
Mar 24 at 5:15
@SubirKumarSao tried to maintain a list but that didn't work either. I'm an absolute noob to android.
– Tara Singh
Mar 24 at 8:33
List allows duplicate, Set does not. Before you append just check if data already in Set.if(devicSet.contains(device)).
– Subir Kumar Sao
Mar 25 at 17:49
@SubirKumarSao Thank you so much my problem is resolved :)
– Tara Singh
Mar 29 at 8:48
add a comment |
I'm working on an android app that scans and listable device in a TextView . I'm not getting how to remove occurrence of same device again and again.
Below is the code i'm scanning devices. What amendments to make here?
private ScanCallback leScanCallback = new ScanCallback()
@Override
public void onScanResult(int callbackType, ScanResult result)
t_c.append("Device Name: " + result.getDevice().getName()
+ " rssi: " + result.getRssi() + "n");
;
java
android edited Mar 24 at 5:13
Matt C
2,40541836
asked Mar 23 at 19:52
Tara SinghTara Singh
54
I'm working on an android app that scans and listable device in a TextView . I'm not getting how to remove occurrence of same device again and again.
Below is the code i'm scanning devices. What amendments to make here?
private ScanCallback leScanCallback = new ScanCallback()
@Override
public void onScanResult(int callbackType, ScanResult result)
t_c.append("Device Name: " + result.getDevice().getName()
+ " rssi: " + result.getRssi() + "n");
;
java
android java
android edited Mar 24 at 5:13
Matt C
2,40541836
asked Mar 23 at 19:52
Tara SinghTara Singh
54
edited Mar 24 at 5:13
Matt C
2,40541836
asked Mar 23 at 19:52
Tara SinghTara Singh
54
edited Mar 24 at 5:13
Matt C
2,40541836
edited Mar 24 at 5:13
Matt C
2,40541836
edited Mar 24 at 5:13
Matt C
2,40541836
2,40541836
asked Mar 23 at 19:52
Tara SinghTara Singh
54
asked Mar 23 at 19:52
Tara SinghTara Singh
54
asked Mar 23 at 19:52
Tara SinghTara Singh
54
54
Maintain a Set<> probably.
– Subir Kumar Sao
Mar 24 at 5:15
@SubirKumarSao tried to maintain a list but that didn't work either. I'm an absolute noob to android.
– Tara Singh
Mar 24 at 8:33
List allows duplicate, Set does not. Before you append just check if data already in Set.if(devicSet.contains(device)).
– Subir Kumar Sao
Mar 25 at 17:49
@SubirKumarSao Thank you so much my problem is resolved :)
– Tara Singh
Mar 29 at 8:48
add a comment |
Maintain a Set<> probably.
– Subir Kumar Sao
Mar 24 at 5:15
@SubirKumarSao tried to maintain a list but that didn't work either. I'm an absolute noob to android.
– Tara Singh
Mar 24 at 8:33
List allows duplicate, Set does not. Before you append just check if data already in Set.if(devicSet.contains(device)).
– Subir Kumar Sao
Mar 25 at 17:49
@SubirKumarSao Thank you so much my problem is resolved :)
– Tara Singh
Mar 29 at 8:48
Maintain a Set<> probably.
– Subir Kumar Sao
Mar 24 at 5:15
Maintain a Set<> probably.
– Subir Kumar Sao
Mar 24 at 5:15
@SubirKumarSao tried to maintain a list but that didn't work either. I'm an absolute noob to android.
– Tara Singh
Mar 24 at 8:33
@SubirKumarSao tried to maintain a list but that didn't work either. I'm an absolute noob to android.
– Tara Singh
Mar 24 at 8:33
List allows duplicate, Set does not. Before you append just check if data already in Set.
if(devicSet.contains(device)).– Subir Kumar Sao
Mar 25 at 17:49
List allows duplicate, Set does not. Before you append just check if data already in Set.
if(devicSet.contains(device)).– Subir Kumar Sao
Mar 25 at 17:49
@SubirKumarSao Thank you so much my problem is resolved :)
– Tara Singh
Mar 29 at 8:48
@SubirKumarSao Thank you so much my problem is resolved :)
– Tara Singh
Mar 29 at 8:48
add a comment |
1 Answer
1
active
oldest
votes
Answering for others.
The scan returning a device each time it finds one. There can be echo, same device found twice. OP wants to display only unique devices.
Solution:
Maintain a Set of Devices. Set data structure does not allow duplicate and solves the problem.
Once a new device is found add to deviceSet. Before adding check if device already exists. if(devicSet.contains(device)). If device already exists no-need to append to display.
answered Apr 19 at 18:17
Subir Kumar SaoSubir Kumar Sao
6,58111742
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
Answering for others.
The scan returning a device each time it finds one. There can be echo, same device found twice. OP wants to display only unique devices.
Solution:
Maintain a Set of Devices. Set data structure does not allow duplicate and solves the problem.
Once a new device is found add to deviceSet. Before adding check if device already exists. if(devicSet.contains(device)). If device already exists no-need to append to display.
answered Apr 19 at 18:17
Subir Kumar SaoSubir Kumar Sao
6,58111742
add a comment |
Answering for others.
The scan returning a device each time it finds one. There can be echo, same device found twice. OP wants to display only unique devices.
Solution:
Maintain a Set of Devices. Set data structure does not allow duplicate and solves the problem.
Once a new device is found add to deviceSet. Before adding check if device already exists. if(devicSet.contains(device)). If device already exists no-need to append to display.
answered Apr 19 at 18:17
Subir Kumar SaoSubir Kumar Sao
6,58111742
add a comment |
Answering for others.
The scan returning a device each time it finds one. There can be echo, same device found twice. OP wants to display only unique devices.
Solution:
Maintain a Set of Devices. Set data structure does not allow duplicate and solves the problem.
Once a new device is found add to deviceSet. Before adding check if device already exists. if(devicSet.contains(device)). If device already exists no-need to append to display.
answered Apr 19 at 18:17
Subir Kumar SaoSubir Kumar Sao
6,58111742
Answering for others.
The scan returning a device each time it finds one. There can be echo, same device found twice. OP wants to display only unique devices.
Solution:
Maintain a Set of Devices. Set data structure does not allow duplicate and solves the problem.
Once a new device is found add to deviceSet. Before adding check if device already exists. if(devicSet.contains(device)). If device already exists no-need to append to display.
answered Apr 19 at 18:17
Subir Kumar SaoSubir Kumar Sao
6,58111742
answered Apr 19 at 18:17
Subir Kumar SaoSubir Kumar Sao
6,58111742
answered Apr 19 at 18:17
Subir Kumar SaoSubir Kumar Sao
6,58111742
answered Apr 19 at 18:17
Subir Kumar SaoSubir Kumar Sao
6,58111742
6,58111742
add a comment |
add a comment |
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Maintain a Set<> probably.
– Subir Kumar Sao
Mar 24 at 5:15
@SubirKumarSao tried to maintain a list but that didn't work either. I'm an absolute noob to android.
– Tara Singh
Mar 24 at 8:33
List allows duplicate, Set does not. Before you append just check if data already in Set.
if(devicSet.contains(device)).– Subir Kumar Sao
Mar 25 at 17:49
@SubirKumarSao Thank you so much my problem is resolved :)
– Tara Singh
Mar 29 at 8:48