嗨在我的应用程序中我正在使用gcm开发android聊天功能，这是我的代码。我有两个字段名称和手机号码和按钮登录现在。
单击“登录”按钮，然后它将显示使用gcm后他将在线的人员，我可以发送消息。
但是点击登录按钮我很遗憾地收到错误并显示Service_not_Available它显示此消息。
任何人都可以帮我解决这个问题
MainActivity.java
public class MainActivity extends Activity {
private final static int PLAY_SERVICES_RESOLUTION_REQUEST = 9000;
String SENDER_ID = "689402109398";
static final String TAG = "L2C";
GoogleCloudMessaging gcm;
SharedPreferences prefs;
Context context;
String regid;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
prefs = getSharedPreferences("Chat", 0);
context = getApplicationContext();
if(!prefs.getString("REG_FROM","").isEmpty()){
Fragment user = new UserFragment();
FragmentTransaction ft = getFragmentManager().beginTransaction();
ft.replace(R.id.content_frame, user);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
ft.addToBackStack(null);
ft.commit();
}else if(!prefs.getString("REG_ID", "").isEmpty()){
Fragment reg = new LoginFragment();
FragmentTransaction ft = getFragmentManager().beginTransaction();
ft.replace(R.id.content_frame, reg);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
ft.addToBackStack(null);
ft.commit();
}else if(checkPlayServices()){
new Register().execute();
}else{
Toast.makeText(getApplicationContext(),"This device is not supported",Toast.LENGTH_SHORT).show();
}
}
private boolean checkPlayServices() {
int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(this);
if (resultCode != ConnectionResult.SUCCESS) {
if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) {
GooglePlayServicesUtil.getErrorDialog(resultCode, this,
PLAY_SERVICES_RESOLUTION_REQUEST).show();
} else {
Log.i(TAG, "This device is not supported.");
finish();
}
return false;
}
return true;
}
private class Register extends AsyncTask<String, String, String> {
@Override
protected String doInBackground(String... args) {
try {
if (gcm == null) {
gcm = GoogleCloudMessaging.getInstance(context);
regid = gcm.register(SENDER_ID);
Log.e("RegId",regid);
SharedPreferences.Editor edit = prefs.edit();
edit.putString("REG_ID", regid);
edit.commit();
}
return regid;
} catch (IOException ex) {
Log.e("Error", ex.getMessage());
return "Fails";
}
}
@Override
protected void onPostExecute(String json) {
Fragment reg = new LoginFragment();
FragmentTransaction ft = getFragmentManager().beginTransaction();
ft.replace(R.id.content_frame, reg);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
ft.addToBackStack(null);
ft.commit();
}
}
UserFragmen.java
public class UserFragment extends Fragment {
ListView list;
ArrayList<HashMap<String, String>> users = new ArrayList<HashMap<String, String>>();
Button refresh,logout;
List<NameValuePair> params;
SharedPreferences prefs;
@Override
public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) {
View view =inflater.inflate(R.layout.user_fragment, container, false);
prefs = getActivity().getSharedPreferences("Chat", 0);
list = (ListView)view.findViewById(R.id.listView);
refresh = (Button)view.findViewById(R.id.refresh);
logout = (Button)view.findViewById(R.id.logout);
logout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new Logout().execute();
}
});
refresh.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
getFragmentManager().beginTransaction().remove(getFragmentManager().findFragmentById(R.id.content_frame)).commit();
Fragment reg = new UserFragment();
FragmentTransaction ft = getFragmentManager().beginTransaction();
ft.replace(R.id.content_frame, reg);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
ft.addToBackStack(null);
ft.commit();
}
});
new Load().execute();
return view;
}
private class Load extends AsyncTask<String, String, JSONArray> {
@Override
protected JSONArray doInBackground(String... args) {
JSONParser json = new JSONParser();
params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("mobno", prefs.getString("REG_FROM","")));
JSONArray jAry = json.getJSONArray("http://10.0.2.2/getuser",params);
return jAry;
}
@Override
protected void onPostExecute(JSONArray json) {
for(int i = 0; i < json.length(); i++){
JSONObject c = null;
try {
c = json.getJSONObject(i);
String name = c.getString("name");
String mobno = c.getString("mobno");
HashMap<String, String> map = new HashMap<String, String>();
map.put("name", name);
map.put("mobno", mobno);
users.add(map);
} catch (JSONException e) {
e.printStackTrace();
}
}
ListAdapter adapter = new SimpleAdapter(getActivity(), users,
R.layout.user_list_single,
new String[] { "name","mobno" }, new int[] {
R.id.name, R.id.mobno});
list.setAdapter(adapter);
list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
Bundle args = new Bundle();
args.putString("mobno", users.get(position).get("mobno"));
Intent chat = new Intent(getActivity(), ChatActivity.class);
chat.putExtra("INFO", args);
startActivity(chat);
}
});
}
}
private class Logout extends AsyncTask<String, String, JSONObject> {
@Override
protected JSONObject doInBackground(String... args) {
JSONParser json = new JSONParser();
params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("mobno", prefs.getString("REG_FROM","")));
JSONObject jObj = json.getJSONFromUrl("http://10.0.2.2/chat/logout",params);
return jObj;
}
@Override
protected void onPostExecute(JSONObject json) {
String res = null;
try {
res = json.getString("response");
Toast.makeText(getActivity(),res,Toast.LENGTH_SHORT).show();
if(res.equals("Removed Sucessfully")) {
Fragment reg = new LoginFragment();
FragmentTransaction ft = getFragmentManager().beginTransaction();
ft.replace(R.id.content_frame, reg);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
ft.addToBackStack(null);
ft.commit();
SharedPreferences.Editor edit = prefs.edit();
edit.putString("REG_FROM", "");
edit.commit();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}
** LoginFragment **
public class LoginFragment extends Fragment {
SharedPreferences prefs;
EditText name, mobno;
Button login;
List<NameValuePair> params;
ProgressDialog progress;
@Override
public View onCreateView(LayoutInflater inflater,ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.login_fragment, container, false);
prefs = getActivity().getSharedPreferences("Chat", 0);
name = (EditText)view.findViewById(R.id.name);
mobno = (EditText)view.findViewById(R.id.mobno);
login = (Button)view.findViewById(R.id.log_btn);
progress = new ProgressDialog(getActivity());
progress.setMessage("Registering ...");
progress.setProgressStyle(ProgressDialog.STYLE_SPINNER);
progress.setIndeterminate(true);
login.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
progress.show();
SharedPreferences.Editor edit = prefs.edit();
edit.putString("REG_FROM", mobno.getText().toString());
edit.putString("FROM_NAME", name.getText().toString());
edit.commit();
new Login().execute();
}
});
return view;
}
private class Login extends AsyncTask<String, String, JSONObject> {
@Override
protected JSONObject doInBackground(String... args) {
JSONParser json = new JSONParser();
params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("name", name.getText().toString()));
params.add(new BasicNameValuePair("mobno", mobno.getText().toString()));
params.add((new BasicNameValuePair("reg_id",prefs.getString("REG_ID",""))));
JSONObject jObj = json.getJSONFromUrl("http://10.0.2.2/login",params);
return jObj;
}
@Override
protected void onPostExecute(JSONObject json) {
progress.dismiss();
try {
String res = json.getString("response");
if(res.equals("Sucessfully Registered")) {
Fragment reg = new UserFragment();
FragmentTransaction ft = getFragmentManager().beginTransaction();
ft.replace(R.id.content_frame, reg);
ft.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_FADE);
ft.addToBackStack(null);
ft.commit();
}else{
Toast.makeText(getActivity(),res,Toast.LENGTH_SHORT).show();
}
} catch (JSONException e) {
e.printStackTrace();
}
}
}
logcat的
12-24 03:26:46.087: E/Error(1915): SERVICE_NOT_AVAILABLE
12-24 03:28:52.087: W/System.err(1939): org.apache.http.conn.HttpHostConnectException: Connection to http://10.0.2.2:8660 refused
12-24 03:28:52.147: W/System.err(1939): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:183)
12-24 03:28:52.147: W/System.err(1939): at org.apache.http.impl.conn.AbstractPoolEntry.open(AbstractPoolEntry.java:164)
12-24 03:28:52.147: W/System.err(1939): at org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
12-24 03:28:52.177: W/System.err(1939): at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:452)
12-24 03:28:52.177: W/System.err(1939): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:555)
12-24 03:28:52.187: W/System.err(1939): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:487)
12-24 03:28:52.187: W/System.err(1939): at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:465)
12-24 03:28:52.187: W/System.err(1939): at com.example.androidchat.JSONParser.getJSONFromUrl(JSONParser.java:41)
12-24 03:28:52.187: W/System.err(1939): at com.example.androidchat.LoginFragment$Login.doInBackground(LoginFragment.java:74)
12-24 03:28:52.187: W/System.err(1939): at com.example.androidchat.LoginFragment$Login.doInBackground(LoginFragment.java:1)
12-24 03:28:52.187: W/System.err(1939): at android.os.AsyncTask$2.call(AsyncTask.java:288)
12-24 03:28:52.337: W/System.err(1939): at java.util.concurrent.FutureTask.run(FutureTask.java:237)
12-24 03:28:52.347: W/System.err(1939): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
12-24 03:28:52.377: W/System.err(1939): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
12-24 03:28:52.377: W/System.err(1939): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
12-24 03:28:52.387: W/System.err(1939): at java.lang.Thread.run(Thread.java:841)
12-24 03:28:52.387: W/System.err(1939): Caused by: java.net.ConnectException: failed to connect to /10.0.2.2 (port 8660): connect failed: ETIMEDOUT (Connection timed out)
12-24 03:28:52.407: I/Choreographer(1939): Skipped 30 frames! The application may be doing too much work on its main thread.
12-24 03:28:52.427: W/System.err(1939): at libcore.io.IoBridge.connect(IoBridge.java:114)
12-24 03:28:52.437: W/System.err(1939): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:192)
12-24 03:28:52.437: W/System.err(1939): at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:459)
12-24 03:28:52.437: W/System.err(1939): at java.net.Socket.connect(Socket.java:843)
12-24 03:28:52.437: W/System.err(1939): at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:119)
12-24 03:28:52.437: W/System.err(1939): at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:144)
12-24 03:28:52.437: W/System.err(1939): ... 15 more
12-24 03:28:52.497: I/Choreographer(1939): Skipped 52 frames! The application may be doing too much work on its main thread.
12-24 03:28:52.617: I/Choreographer(1939): Skipped 30 frames! The application may be doing too much work on its main thread.
12-24 03:28:52.947: W/System.err(1939): Caused by: libcore.io.ErrnoException: connect failed: ETIMEDOUT (Connection timed out)
12-24 03:28:53.007: I/Choreographer(1939): Skipped 36 frames! The application may be doing too much work on its main thread.
12-24 03:28:53.087: I/Choreographer(1939): Skipped 30 frames! The application may be doing too much work on its main thread.
12-24 03:28:53.117: W/System.err(1939): at libcore.io.Posix.connect(Native Method)
12-24 03:28:53.117: W/System.err(1939): at libcore.io.BlockGuardOs.connect(BlockGuardOs.java:85)
12-24 03:28:53.117: W/System.err(1939): at libcore.io.IoBridge.connectErrno(IoBridge.java:127)
12-24 03:28:53.117: W/System.err(1939): at libcore.io.IoBridge.connect(IoBridge.java:112)
12-24 03:28:53.117: W/System.err(1939): ... 20 more
12-24 03:28:53.117: E/Buffer Error(1939): Error converting result java.lang.NullPointerException: lock == null
12-24 03:28:53.187: I/Choreographer(1939): Skipped 62 frames! The application may be doing too much work on its main thread.
12-24 03:28:53.457: E/JSON Parser(1939): Error parsing data org.json.JSONException: End of input at character 0 of
12-24 03:28:53.497: I/Choreographer(1939): Skipped 36 frames! The application may be doing too much work on its main thread.
12-24 03:28:53.697: D/AndroidRuntime(1939): Shutting down VM
12-24 03:28:53.697: W/dalvikvm(1939): threadid=1: thread exiting with uncaught exception (group=0xb2ae2ba8)
12-24 03:28:53.807: E/AndroidRuntime(1939): FATAL EXCEPTION: main
12-24 03:28:53.807: E/AndroidRuntime(1939): Process: com.example.androidchat, PID: 1939
12-24 03:28:53.807: E/AndroidRuntime(1939): java.lang.NullPointerException
12-24 03:28:53.807: E/AndroidRuntime(1939): at com.example.androidchat.LoginFragment$Login.onPostExecute(LoginFragment.java:84)
12-24 03:28:53.807: E/AndroidRuntime(1939): at com.example.androidchat.LoginFragment$Login.onPostExecute(LoginFragment.java:1)
12-24 03:28:53.807: E/AndroidRuntime(1939): at android.os.AsyncTask.finish(AsyncTask.java:632)
12-24 03:28:53.807: E/AndroidRuntime(1939): at android.os.AsyncTask.access$600(AsyncTask.java:177)
12-24 03:28:53.807: E/AndroidRuntime(1939): at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:645)
12-24 03:28:53.807: E/AndroidRuntime(1939): at android.os.Handler.dispatchMessage(Handler.java:102)
12-24 03:28:53.807: E/AndroidRuntime(1939): at android.os.Looper.loop(Looper.java:136)
12-24 03:28:53.807: E/AndroidRuntime(1939): at android.app.ActivityThread.main(ActivityThread.java:5017)
12-24 03:28:53.807: E/AndroidRuntime(1939): at java.lang.reflect.Method.invokeNative(Native Method)
12-24 03:28:53.807: E/AndroidRuntime(1939): at java.lang.reflect.Method.invoke(Method.java:515)
12-24 03:28:53.807: E/AndroidRuntime(1939): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
12-24 03:28:53.807: E/AndroidRuntime(1939): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
12-24 03:28:53.807: E/AndroidRuntime(1939): at dalvik.system.NativeStart.main(Native Method)
12-24 03:28:58.477: I/Process(1939): Sending signal. PID: 1939 SIG: 9
12-24 03:29:05.277: D/dalvikvm(1976): GC_FOR_ALLOC freed 114K, 7% free 2849K/3036K, paused 183ms, total 187ms
12-24 03:29:06.027: I/Choreographer(1976): Skipped 73 frames! The application may be doing too much work on its main thread.
12-24 03:29:06.067: D/gralloc_goldfish(1976): Emulator without GPU emulation detected.
12-24 03:29:06.267: I/Choreographer(1976): Skipped 152 frames! The application may be doing too much work on its main thread.
12-24 03:29:07.187: D/dalvikvm(1976): GC_FOR_ALLOC freed 118K, 6% free 3242K/3428K, paused 34ms, total 34ms