简单的 smack android 客户端不起作用？
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【中文标题】简单的 smack android 客户端不起作用？【英文标题】：simple smack android client not working? 【发布时间】：2016-10-06 10:34:15 【问题描述】：我正在使用this android source code，这是一个简单的 XMPP android 客户端。我已经在本地安装了 Openfire 并创建了一个用户，在 GenyMotion 我可以在单击登录按钮后连接到创建的用户，我在 openfire 面板中看到在线用户，我还在 Genymotion 的联系人列表中添加了两个联系人，但是当我继续调试，我得到这个错误：
10/06 13:54:43: Launching app
No apk changes detected since last installation, skipping installation of C:\Users\Davoud\Downloads\Compressed\Working_Chat_For_Niki\Chat\app\build\outputs\apk\app-debug.apk
$ adb shell am force-stop com.mycompany.chat
$ adb shell am start -n "com.mycompany.chat/com.mycompany.chat.ui.LoginActivity" -a android.intent.action.MAIN -c android.intent.category.LAUNCHER
Client not ready yet..Waiting for process to come online
Waiting for process to come online
Connected to process 13332 on device genymotion-preview___google_nexus_5x___7_0_0___api_24___1080x1920-192.168.30.101:5555
D/Connect() Function: onCreate=>connecting....
D/SMACK: SENT (0): <stream:stream xmlns='jabber:client' to='192.168.119.1' xmlns:stream='http://etherx.jabber.org/streams' version='1.0' xml:lang='en'>
D/SMACK: RECV (0): <?xml version='1.0' encoding='UTF-8'?><stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" from="desktop-8s6k7ec" id="1t9ccdyqpq" xml:lang="en" version="1.0"><stream:features><starttls xmlns="urn:ietf:params:xml:ns:xmpp-tls"></starttls><mechanisms xmlns="urn:ietf:params:xml:ns:xmpp-sasl"><mechanism>PLAIN</mechanism><mechanism>ANONYMOUS</mechanism><mechanism>SCRAM-SHA-1</mechanism><mechanism>CRAM-MD5</mechanism><mechanism>DIGEST-MD5</mechanism></mechanisms><compression xmlns="http://jabber.org/features/compress"><method>zlib</method></compression><auth xmlns="http://jabber.org/features/iq-auth"/><register xmlns="http://jabber.org/features/iq-register"/></stream:features>
D/ChatActivity: onServiceConnected
D/xmpp: Connected!
D/SMACK: SENT (0): <auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='SCRAM-SHA-1'>biwsbj0zMjEscj07KiNwUSI3TiJ7ckVEfC15RDw3Sl80ZDxUWUxaYHFVTA==</auth>
D/SMACK: RECV (0): <challenge xmlns="urn:ietf:params:xml:ns:xmpp-sasl">cj07KiNwUSI3TiJ7ckVEfC15RDw3Sl80ZDxUWUxaYHFVTGRmMmJmMDVhLTIxNzEtNGMwNi05ZDY5LTBlYTYzMDAyMTY3OSxzPWNzWVR5aXNRbnBycDh5aVpYNHpVdFEwSWNtb0JmM1k2LGk9NDA5Ng==</challenge>
W/EGL_emulation: eglSurfaceAttrib not implemented
W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xdb25eec0, error=EGL_SUCCESS
W/EGL_emulation: eglSurfaceAttrib not implemented
W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xda550560, error=EGL_SUCCESS
D/SMACK: SENT (0): <response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>Yz1iaXdzLHI9OyojcFEiN04ie3JFRHwteUQ8N0pfNGQ8VFlMWmBxVUxkZjJiZjA1YS0yMTcxLTRjMDYtOWQ2OS0wZWE2MzAwMjE2NzkscD1KZCtLT3RUSWt0VGlFdnJYbXcxRnNlYjZ0UFk9</response>
D/SMACK: RECV (0): <success xmlns="urn:ietf:params:xml:ns:xmpp-sasl">dj1pUFBqZGlyU0pnK0djbm1TZ1lCaU9oWEJLYkE9</success>
D/SMACK: SENT (0): <stream:stream xmlns='jabber:client' to='192.168.119.1' xmlns:stream='http://etherx.jabber.org/streams' version='1.0' id='1t9ccdyqpq' xml:lang='en'>
D/SMACK: RECV (0): <?xml version='1.0' encoding='UTF-8'?><stream:stream xmlns:stream="http://etherx.jabber.org/streams" xmlns="jabber:client" from="desktop-8s6k7ec" id="1t9ccdyqpq" xml:lang="en" version="1.0"><stream:features><compression xmlns="http://jabber.org/features/compress"><method>zlib</method></compression><bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"/><session xmlns="urn:ietf:params:xml:ns:xmpp-session"><optional/></session><sm xmlns='urn:xmpp:sm:2'/><sm xmlns='urn:xmpp:sm:3'/></stream:features>
D/SMACK: SENT (0): <iq id='PhJm6-3' type='set'><bind xmlns='urn:ietf:params:xml:ns:xmpp-bind'><resource>Smack</resource></bind></iq>
D/SMACK: RECV (0): <iq type="result" id="PhJm6-3" to="desktop-8s6k7ec/1t9ccdyqpq"><bind xmlns="urn:ietf:params:xml:ns:xmpp-bind"><jid>321@desktop-8s6k7ec/Smack</jid></bind></iq>
D/SMACK: SENT (0): <enable xmlns='urn:xmpp:sm:3' resume='true'/>
D/SMACK: RECV (0): <enabled xmlns='urn:xmpp:sm:3'/>
D/SMACK: User logged (0): 321@desktop-8s6k7ec:5222/Smack
D/xmpp: Authenticated!
D/SMACK: XMPPConnection authenticated (0)
D/SMACK: SENT (0): <iq id='PhJm6-5' type='get'><query xmlns='jabber:iq:roster'></query></iq>
I/LOGIN: Yey! We're connected to the Xmpp server!
D/SMACK: RECV (0): <iq type="result" id="PhJm6-5" to="321@desktop-8s6k7ec/Smack"><query xmlns="jabber:iq:roster"/></iq>
D/SMACK: SENT (0): <presence id='PhJm6-6'><c xmlns='http://jabber.org/protocol/caps' hash='sha-1' node='http://www.igniterealtime.org/projects/smack' ver='E6FpoDPmjMQ3i53V+HWh0YBrS7U='/></presence>
E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1
Process: com.mycompany.chat, PID: 13332
java.lang.RuntimeException: An error occurred while executing doInBackground()
at android.os.AsyncTask$3.done(AsyncTask.java:318)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:354)
at java.util.concurrent.FutureTask.setException(FutureTask.java:223)
at java.util.concurrent.FutureTask.run(FutureTask.java:242)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:761)
Caused by: java.lang.SecurityException: Permission Denial: opening provider com.android.providers.contacts.ContactsProvider2 from ProcessRecord68c245f 13332:com.mycompany.chat/u0a71 (pid=13332, uid=10071) requires android.permission.READ_CONTACTS or android.permission.WRITE_CONTACTS
at android.os.Parcel.readException(Parcel.java:1683)
at android.os.Parcel.readException(Parcel.java:1636)
at android.app.ActivityManagerProxy.getContentProvider(ActivityManagerNative.java:4169)
at android.app.ActivityThread.acquireProvider(ActivityThread.java:5434)
at android.app.ContextImpl$ApplicationContentResolver.acquireUnstableProvider(ContextImpl.java:2267)
at android.content.ContentResolver.acquireUnstableProvider(ContentResolver.java:1515)
at android.content.ContentResolver.query(ContentResolver.java:514)
at android.content.ContentResolver.query(ContentResolver.java:472)
at com.mycompany.chat.ui.FriendsActivity$GetUser.doInBackground(FriendsActivity.java:67)
at com.mycompany.chat.ui.FriendsActivity$GetUser.doInBackground(FriendsActivity.java:54)
at android.os.AsyncTask$2.call(AsyncTask.java:304)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:243)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1133)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:607)
at java.lang.Thread.run(Thread.java:761)
I/Process: Sending signal. PID: 13332 SIG: 9
Application terminated.
【问题讨论】：
【参考方案1】：将此添加到清单中：
<uses-permission android:name="android.permission.READ_CONTACTS" />
并在您的活动中请求许可（如果 sdk >= 23），
@Override
public void onCreate(Bundle b)
askPermission();
public void askPermission()
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
if (ContextCompat.checkSelfPermission(getActivity(),Manifest.permission.READ_CONTACTS) != PackageManager.PERMISSION_GRANTED)
if (ActivityCompat.shouldShowRequestPermissionRationale(getActivity(),
Manifest.permission.READ_CONTACTS))
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setTitle("Contacts access needed");
builder.setPositiveButton(android.R.string.ok, null);
builder.setMessage("please confirm Contacts access");//TODO put real question
builder.setOnDismissListener(new DialogInterface.OnDismissListener()
@TargetApi(Build.VERSION_CODES.M)
@Override
public void onDismiss(DialogInterface dialog)
requestPermissions(
new String[]
Manifest.permission.READ_CONTACTS
, PERMISSION_REQUEST_CONTACT);
);
builder.show();
else
// No explanation needed, we can request the permission.
ActivityCompat.requestPermissions(getActivity(),
new String[]Manifest.permission.READ_CONTACTS,
PERMISSION_REQUEST_CONTACT);
// MY_PERMISSIONS_REQUEST_READ_CONTACTS is an
// app-defined int constant. The callback method gets the
// result of the request.
@Override
public void onRequestPermissionsResult(int requestCode,
String permissions[], int[] grantResults)
switch (requestCode)
case PERMISSION_REQUEST_CONTACT:
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED)
// permission granted
else
//permission denied
return;
【讨论】：
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