Hi am getting duplicate notification from gcm server , how to resolve it
public class RegisterActivity{
private GoogleCloudMessaging gcm;
Context context;
String regId;
private static final String REG_ID = "regId";
private static final String APP_VERSION = "appVersion";
static final String TAG = "Register Activity";
private final static int PLAY_SERVICES_RESOLUTION_REQUEST = 9000;
private GCMRegistrationCallBack registeredActivity;
private Error error;
public void registerGCM(Context _context)
{
context = _context;
if(!checkPlayServices()){
Log.e(TAG, "This device is not supported.");
return;
}
registeredActivity = (GCMRegistrationCallBack) _context;
gcm = GoogleCloudMessaging.getInstance(context);
regId = getRegistrationId(context);
if(TextUtils.isEmpty(regId))
{
registerInBackground();
Log.d("RegisterActivity",
"registerGCM - successfully registered with GCM server - regId: "
+ regId);
}
else
{
registeredActivity.didFinishRegisteringWithGCM(regId);
}
}
private String getRegistrationId(Context context)
{
final SharedPreferences prefs = context.getSharedPreferences(
GCMRegistrationCallBack.class.getSimpleName(), Context.MODE_PRIVATE);
String registrationId = prefs.getString(REG_ID, "");
if (registrationId.isEmpty()) {
Log.i(TAG, "Registration not found.");
return "";
}
int registeredVersion = prefs.getInt(APP_VERSION, Integer.MIN_VALUE);
int currentVersion = getAppVersion(context);
if (registeredVersion != currentVersion) {
Log.i(TAG, "App version changed.");
return "";
}
return registrationId;
}
private static int getAppVersion(Context context) {
try {
PackageInfo packageInfo = context.getPackageManager()
.getPackageInfo(context.getPackageName(), 0);
return packageInfo.versionCode;
} catch (NameNotFoundException e) {
Log.d("RegisterActivity",
"I never expected this! Going down, going down!" + e);
throw new RuntimeException(e);
}
}
private void registerInBackground() {
new AsyncTask<Void, Void, String>() {
@Override
protected String doInBackground(Void... params) {
try {
if (gcm == null) {
gcm = GoogleCloudMessaging.getInstance(context);
}
regId = gcm.register(Config.GOOGLE_PROJECT_ID);
storeRegistrationId(context, regId);
}
catch(UnknownHostException _exception)
{
error = new Error("UnknownHostException");
callErrorCallBackOnMainThread();
}
catch(SocketTimeoutException _exception)
{
error = new Error("SocketTimeoutException");
callErrorCallBackOnMainThread();
}
catch (IOException _exception) {
error = new Error(_exception.getMessage());
callErrorCallBackOnMainThread();
}
catch(Exception _exception)
{
error = new Error("unknown exception");
callErrorCallBackOnMainThread();
}
return regId;
}
@Override
protected void onPostExecute(String msg) {
if(!TextUtils.isEmpty(msg))
registeredActivity.didFinishRegisteringWithGCM(regId);
}
}.execute(null, null, null);
}
private void callErrorCallBackOnMainThread()
{
Activity regAvtivity = (Activity)registeredActivity;
regAvtivity.runOnUiThread(new Runnable()
{
public void run()
{
registeredActivity.didFailedToReceiveRegistrationId(error);
}
});
}
private void storeRegistrationId(Context context, String regId) {
final SharedPreferences prefs = context.getSharedPreferences(
GCMRegistrationCallBack.class.getSimpleName(), Context.MODE_PRIVATE);
int appVersion = getAppVersion(context);
Log.i(TAG, "Saving regId on app version " + appVersion);
SharedPreferences.Editor editor = prefs.edit();
editor.putString(REG_ID, regId);
editor.putInt(APP_VERSION, appVersion);
editor.commit();
}
/**
* Check the device to make sure it has the Google Play Services APK. If
* it doesn't, display a dialog that allows users to download the APK from
* the Google Play Store or enable it in the device's system settings.
*/
private boolean checkPlayServices() {
int resultCode = GooglePlayServicesUtil.isGooglePlayServicesAvailable(context);
if (resultCode != ConnectionResult.SUCCESS) {
if (GooglePlayServicesUtil.isUserRecoverableError(resultCode)) {
GooglePlayServicesUtil.getErrorDialog(resultCode, (Activity)context,
PLAY_SERVICES_RESOLUTION_REQUEST).show();
} else {
Log.i(TAG, "This device is not supported.");
}
return false;
}
return true;
}
}
Above code for getting registration number please correct me anything wrong... but some time am getting duplicate notification. thanks
