質問編集履歴
2
削除の修正
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File without changes
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@@ -1,1 +1,131 @@
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表題の件のついて質問があります。
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2
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NsdManagerを使用してDNS検索を5秒間行う機能を実装しました。
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3
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discoverServicesを実行中に再度discoverServicesを行うと
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4
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+
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5
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`java.lang.IllegalArgumentException: listener already in use at android.net.nsd.NsdManager.resolveService`が発生します。
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6
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discoverServicesが起動中かどうかを調べる方法を教えてください。
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7
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8
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```java
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9
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public class DiscActivity extends Activity
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{
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private static final String TAG = "DiscActivity";
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private static final long DEFAULT_TIMEOUT = 5000;
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13
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private NsdManager mManager;
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private NsdManager.DiscoveryListener mDiscListener = null;
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private NsdManager.ResolveListener mFoundResListener = null;
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private NsdManager.ResolveListener mLostResListener = null;
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@Override
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protected void onCreate(Bundle savedInstanceState)
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{
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_disc);
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mContext = this;
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mAdapter = new ServiceAdapter();
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mManager = (NsdManager) mContext.getSystemService(Context.NSD_SERVICE);
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mDiscListener = new NsdManager.DiscoveryListener()
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{
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String mService;
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@Override
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public void onDiscoveryStarted(String serviceType)
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{
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Log.v(TAG, "Service started for protocol: " + serviceType);
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}
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@Override
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public void onDiscoveryStopped(String serviceType)
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{
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Log.v(TAG, "Service stopped for protocol: " + serviceType);
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}
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@Override
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public void onServiceFound(NsdServiceInfo info)
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{
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Log.v(TAG, "Found service: " + info.getServiceName());
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mManager.resolveService(info, mFoundResListener);
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}
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@Override
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public void onServiceLost(NsdServiceInfo info)
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{
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Log.v(TAG, "Lost service: " + info.getServiceName());
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mManager.resolveService(info, mLostResListener);
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}
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@Override
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public void onStartDiscoveryFailed(String serviceType, int err)
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{
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mService = serviceType;
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Log.v(TAG, "Service failed to start for protocol: " + serviceType + ", Err: " + err);
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}
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@Override
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public void onStopDiscoveryFailed(String serviceType, int err)
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{
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mService = serviceType;
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Log.v(TAG, "Service failed to stop for protocol: " + serviceType + ", Err: " + err);
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}
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};
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mFoundResListener = new NsdManager.ResolveListener()
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{
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@Override
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public void onServiceResolved(NsdServiceInfo info)
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{
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Log.v(TAG, "Resolve service complete");
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}
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@Override
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public void onResolveFailed(NsdServiceInfo info, int err)
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{
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Log.e(TAG, "Cannot resolve service " + info.getServiceName() +
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", Err: " + err);
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}
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};
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mLostResListener = new NsdManager.ResolveListener()
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{
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@Override
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public void onServiceResolved(NsdServiceInfo info)
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{
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Log.v(TAG, "Resolve service complete");
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}
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@Override
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public void onResolveFailed(NsdServiceInfo info, int err)
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{
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Log.e(TAG, "Cannot resolve service " + info.getServiceName() +
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", Err: " + err);
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}
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};
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searchButton.setOnClickListener(new OnClickListener()
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{
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@Override
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public void onClick(View v)
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{
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startDiscovery();
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}
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});
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}
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private void startDiscovery()
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{
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String service;
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service = serviceNameEdit.getText().toString();
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mManager.discoverServices(service, NsdManager.PROTOCOL_DNS_SD, mDiscListener);
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}
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}
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131
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```
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1
削除しました
title
CHANGED
|
File without changes
|
body
CHANGED
|
@@ -1,131 +1,1 @@
|
|
|
1
|
-
|
|
1
|
+
この内容は削除されました。
|
|
2
|
-
NsdManagerを使用してDNS検索を5秒間行う機能を実装しました。
|
|
3
|
-
discoverServicesを実行中に再度discoverServicesを行うと
|
|
4
|
-
|
|
5
|
-
`java.lang.IllegalArgumentException: listener already in use at android.net.nsd.NsdManager.resolveService`が発生します。
|
|
6
|
-
discoverServicesが起動中かどうかを調べる方法を教えてください。
|
|
7
|
-
|
|
8
|
-
```java
|
|
9
|
-
public class DiscActivity extends Activity
|
|
10
|
-
{
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|
11
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-
private static final String TAG = "DiscActivity";
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|
12
|
-
private static final long DEFAULT_TIMEOUT = 5000;
|
|
13
|
-
|
|
14
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-
private NsdManager mManager;
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|
15
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-
private NsdManager.DiscoveryListener mDiscListener = null;
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16
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-
private NsdManager.ResolveListener mFoundResListener = null;
|
|
17
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-
private NsdManager.ResolveListener mLostResListener = null;
|
|
18
|
-
|
|
19
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-
@Override
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|
20
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-
protected void onCreate(Bundle savedInstanceState)
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|
21
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-
{
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22
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-
super.onCreate(savedInstanceState);
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23
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-
setContentView(R.layout.activity_disc);
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24
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-
|
|
25
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-
mContext = this;
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26
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-
mAdapter = new ServiceAdapter();
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|
27
|
-
|
|
28
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-
mManager = (NsdManager) mContext.getSystemService(Context.NSD_SERVICE);
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|
29
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-
|
|
30
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-
mDiscListener = new NsdManager.DiscoveryListener()
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|
31
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-
{
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|
32
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-
String mService;
|
|
33
|
-
|
|
34
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-
@Override
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|
35
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-
public void onDiscoveryStarted(String serviceType)
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|
36
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-
{
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|
37
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-
Log.v(TAG, "Service started for protocol: " + serviceType);
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|
38
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-
}
|
|
39
|
-
|
|
40
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-
@Override
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41
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-
public void onDiscoveryStopped(String serviceType)
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42
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{
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43
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Log.v(TAG, "Service stopped for protocol: " + serviceType);
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44
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}
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45
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-
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46
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-
@Override
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47
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-
public void onServiceFound(NsdServiceInfo info)
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48
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-
{
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49
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Log.v(TAG, "Found service: " + info.getServiceName());
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50
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-
mManager.resolveService(info, mFoundResListener);
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51
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-
}
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52
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-
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53
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-
@Override
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54
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-
public void onServiceLost(NsdServiceInfo info)
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55
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-
{
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56
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Log.v(TAG, "Lost service: " + info.getServiceName());
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57
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mManager.resolveService(info, mLostResListener);
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58
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-
}
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59
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-
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60
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-
@Override
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61
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public void onStartDiscoveryFailed(String serviceType, int err)
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62
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{
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63
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mService = serviceType;
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64
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Log.v(TAG, "Service failed to start for protocol: " + serviceType + ", Err: " + err);
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65
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-
}
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66
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-
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67
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-
@Override
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68
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public void onStopDiscoveryFailed(String serviceType, int err)
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69
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{
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70
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mService = serviceType;
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71
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-
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72
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Log.v(TAG, "Service failed to stop for protocol: " + serviceType + ", Err: " + err);
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73
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}
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74
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-
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75
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};
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76
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-
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77
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mFoundResListener = new NsdManager.ResolveListener()
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78
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{
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79
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@Override
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80
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public void onServiceResolved(NsdServiceInfo info)
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81
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{
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82
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Log.v(TAG, "Resolve service complete");
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83
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}
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84
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-
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85
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@Override
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86
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public void onResolveFailed(NsdServiceInfo info, int err)
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87
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{
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88
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Log.e(TAG, "Cannot resolve service " + info.getServiceName() +
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89
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", Err: " + err);
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90
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}
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91
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};
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92
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93
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mLostResListener = new NsdManager.ResolveListener()
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94
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{
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95
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@Override
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96
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public void onServiceResolved(NsdServiceInfo info)
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{
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Log.v(TAG, "Resolve service complete");
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99
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}
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100
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101
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@Override
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102
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public void onResolveFailed(NsdServiceInfo info, int err)
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103
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{
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104
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Log.e(TAG, "Cannot resolve service " + info.getServiceName() +
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105
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", Err: " + err);
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106
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-
}
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107
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};
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108
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-
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109
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searchButton.setOnClickListener(new OnClickListener()
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110
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-
{
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111
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-
@Override
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112
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-
public void onClick(View v)
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113
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{
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114
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startDiscovery();
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115
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}
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116
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});
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117
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-
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118
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}
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119
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-
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120
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-
private void startDiscovery()
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121
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-
{
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122
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-
String service;
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123
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-
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124
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service = serviceNameEdit.getText().toString();
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125
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-
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126
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mManager.discoverServices(service, NsdManager.PROTOCOL_DNS_SD, mDiscListener);
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127
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-
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128
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}
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129
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-
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130
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-
}
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131
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```
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