first of all excuse my english, because i am not good in english. I'm looking for a way to retrieve information in android send from a nodeJS server with socket io. I have the impression that it is a problem of version. my code compiles very well, I do not manage to retrieve the information contained in a JS object.
here is the server code
var app = require('express')();
var http = require('http').Server(app);
var io = require('socket.io')(http);
var data ={"msg": "hello i am the server"};
io.on('connection',function(socket){
console.log('one user connected '+socket.id);
socket.on('message',function(obj){
console.log(obj.text);
socket.emit('take', data);
})
socket.on('disconnect',function(){
console.log('one user disconnected '+socket.id);
})
})
http.listen(3000,function(){
console.log('server listening on port 3000');
})
the information I'm looking for is 'data'
here is the java code I use, I prefer to put the whole code in case the problem is elsewhere
public class MainActivity extends AppCompatActivity {
private Socket socket;
public String ReceiveMsg ="message par defaut ";
{
try {
socket = IO.socket("http://192.168.43.168:3000");
socket.connect();
} catch (URISyntaxException e) {
}
}
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
EditText editText = (EditText) findViewById(R.id.editText);
TextView textView = (TextView) findViewById(R.id.textView);
Button but = (Button) findViewById(R.id.button);
socket.connect();
String msg = takemsg(editText);
sendMsg(msg);
socket.on("take", handleIncomingMessages);
textView.setText(getAz(ReceiveMsg));
}
public String takemsg(EditText editText){
String msg = "message par defaut ";
msg = editText.getText().toString();
return msg;
}
public void sendMsg(String msg ){
JSONObject obj = new JSONObject();
try{
obj.put("text", msg);
socket.emit("message", obj);
}catch (JSONException e){
}
}
private Emitter.Listener handleIncomingMessages = new Emitter.Listener(){
#Override
public void call(final Object... args){
runOnUiThread(new Runnable() {
#Override
public void run() {
JSONObject data = (JSONObject) args[0];
try {
ReceiveMsg = data.getString("msg");
} catch (JSONException e) {
}
}
});
}
};
}
First I think we need more data.
What are the outputs of the server? Is connecting well?, check if your code in android is running.
If it's not connecting try setting the port with opts
...
try {
IO.Options opts = IO.Options();
opts.port = 3000;
socket = IO.socket("http://192.168.43.168", opts);
socket.connect();
} catch (URISyntaxException e) {
...
check if your service is alive. for services exists some returns that allows to maintain your service working.
https://developer.android.com/reference/android/app/Service.html#START_STICKY
we must put in the manifest
<uses-permission android:name="android.permission.INTERNET" />
to allow the application to use the network
I implemented a Group Chat mechanism in my Android where I have created groups and add members through REST API Plugin of Openfire. sending messages to to the same group not delivering messages to all members of the same group. Please see my Error Log for the same, and suggest me any solution regarding the same.
Log:
11-26 17:51:42.364 10035-10035/com.myoneapp.chat V/Cursor data==>>﹕ To User ID==> onCreateLoader=>terehokerahenge
11-26 17:51:47.018 10035-10654/com.myoneapp.chat I/System.out﹕ 05:51:47 PM SENT (0): <message to='terehokerahenge#conference.chat.spectratech.in' id='362-05' type='groupchat'><body>hi</body><SenderName></SenderName><mediaType>0</mediaType><request xmlns='urn:xmpp:receipts'/></message>
11-26 17:51:47.066 10035-10035/com.myoneapp.chat V/ChatWindow﹕ MESSAGE TYPE==>0
11-26 17:51:47.070 10035-10035/com.myoneapp.chat V/ChatWindow﹕ MESSAGE TYPE==>0
11-26 17:51:47.072 10035-10035/com.myoneapp.chat V/ChatWindow﹕ MESSAGE TYPE==>0
11-26 17:51:48.097 10035-10655/com.myoneapp.chat I/System.out﹕ 05:51:48 PM RECV (0): <message to="sanat#chat.spectratech.in/chat.spectratech.in" id="362-05" type="error" from="terehokerahenge#conference.chat.spectratech.in"><body>hi</body><SenderName/><mediaType>0</mediaType><request xmlns="urn:xmpp:receipts"/><error code="406" type="modify"><not-acceptable xmlns="urn:ietf:params:xml:ns:xmpp-stanzas"/></error></message>
11-26 17:51:48.102 10035-10654/com.myoneapp.chat I/System.out﹕ 05:51:48 PM SENT (0): <message to='terehokerahenge#conference.chat.spectratech.in' id='CGIln-9' type='error'><received xmlns='urn:xmpp:receipts' id='362-05'/></message>
Code:
new Thread(new Runnable() {
#Override
public void run() {
activity.getmService().xmpp.createMUCGroup(etGroupSubject.getText().toString(), mAppPreferences.getUserName());
getActivity().runOnUiThread(new Runnable() {
#Override
public void run() {
activity.getmService().xmpp.inViteUserstoGroup(jabberids);
}
});
}
}).start();
public void createMUCGroup(String gJID, String owner){
mMultiUserChat = getMUChatManager().getMultiUserChat(gJID + "#conference.chat.spectratech.in");
try {
mMultiUserChat.create(mAppPreferences.getUserName());
// Get the the room's configuration form
// org.jivesoftware.smackx.xdata.Form form = mMultiUserChat.getConfigurationForm();
// Create a new form to submit based on the original form
org.jivesoftware.smackx.xdata.Form form = mMultiUserChat.getConfigurationForm().createAnswerForm();
form.setAnswer("muc#roomconfig_publicroom", true);
form.setAnswer("muc#roomconfig_roomname", gJID);
form.setAnswer("muc#roomconfig_roomowners",gJID);
form.setAnswer("muc#roomconfig_persistentroom", true);
mMultiUserChat.sendConfigurationForm(form);
/*org.jivesoftware.smackx.xdata.Form submitForm = form.createAnswerForm();
// Add default answers to the form to submit
for (java.util.Iterator fields = (java.util.Iterator) form.getFields(); fields.hasNext(); ) {
org.jivesoftware.smackx.xdata.FormField field = (org.jivesoftware.smackx.xdata.FormField) fields.next();
if (!org.jivesoftware.smackx.xdata.FormField.Type.hidden.equals(field.getType()) && field.getVariable() != null) {
// Sets the default value as the answer
submitForm.setDefaultAnswer(field.getVariable());
}
}*/
// Sets the new owner of the room
/*java.util.List owners = new java.util.ArrayList();
owners.add(mAppPreferences.getUserName()+"#chat.spectratech.in");
submitForm.setAnswer("muc#roomconfig_roomowners", owners);
// Send the completed form (with default values) to the server to configure the room
mMultiUserChat.sendConfigurationForm(submitForm);*/
}catch (Exception e){
e.printStackTrace();
}
}
public void inViteUserstoGroup(java.util.ArrayList<String> users){
getMUChatManager().addInvitationListener(MyXMPP.this);
for (int i = 0; i < users.size(); i++) {
try {
mMultiUserChat.invite(users.get(i)+"#chat.spectratech.in", "Meet me in this group.");
} catch (org.jivesoftware.smack.SmackException.NotConnectedException e) {
e.printStackTrace();
}
}
}
#Override
public void invitationReceived(org.jivesoftware.smack.XMPPConnection xmppConnection, org.jivesoftware.smackx.muc.MultiUserChat multiUserChat, String s, String s1, String s2, org.jivesoftware.smack.packet.Message message) {
try {
System.out.println("Invitation Received==========================>");
mMultiUserChat.join(s1);
} catch (org.jivesoftware.smack.SmackException.NoResponseException e) {
e.printStackTrace();
} catch (org.jivesoftware.smack.XMPPException.XMPPErrorException e) {
e.printStackTrace();
} catch (org.jivesoftware.smack.SmackException.NotConnectedException e) {
e.printStackTrace();
}
}
It returning Error 406, Not acceptable
I think you are missing the implementation of auto accepting Group chat joining Request in your code.
Below code is working for AMACK group chat using Openfire Server
1. Creating XMPP Connection
XMPPTCPConnection connection = new XMPPTCPConnection(config);
connection.connect();
connection.login(ID1, password1);
Presence presence = new Presence(Presence.Type.available);
connection.sendPacket(presence);
2. Creating Persistant Group Chat Room
MultiUserChat chatRoom = new MultiUserChat(connection, "room786#conference.dishaserver");
chatRoom.create("nagarjuna");
Form form = chatRoom.getConfigurationForm().createAnswerForm();
form.setAnswer("muc#roomconfig_publicroom", true);
form.setAnswer("muc#roomconfig_roomname", "room786");
form.setAnswer("muc#roomconfig_roomowners",owners);
form.setAnswer("muc#roomconfig_persistentroom", true);
chatRoom.sendConfigurationForm(form);
3. Sending invitation to ride participants
MultiUserChat.addInvitationListener(connection, groupChatListener);
chatRoom.invite("surya#dishaserver", "hi surya");
4. Auto accepting the request of RIDER to join group chat
public class GroupChatListener implements InvitationListener{
String nickname;
public GroupChatListener(String nick)
{
nickname = nick;
}
#Override
public void invitationReceived(XMPPConnection con, String room,String inviter, String reason, String password, Message message)
{
System.out.println(" Entered invitation handler... ");
try
{
MultiUserChat chatRoom = new MultiUserChat(con, room);
chatRoom.join(nickname);
}
catch (NoResponseException | XMPPErrorException| NotConnectedException e)
{
e.printStackTrace();
} catch (SmackException e)
{
e.printStackTrace();
}
System.out.println(" Invitation Accepted... ");
}
}
5. Sending message to group chat members
private static void sendMessageToRoomOccupants(XMPPTCPConnection connection) throws NotConnectedException
{
Message msg = new Message("room789#conference.dishaserver",Message.Type.groupchat);
msg.setBody("This is nagarjuna friednds. Please join this room and let us have fun."); connection.sendPacket(msg);
}
6. Receiving the group chat message by ride users
MultiUserChat chatRoom = new MultiUserChat(connection, "room789#conference.dishaserver");
chatRoom.addMessageListener(new GroupChatMsgListener());
package com.disha.test;
import org.jivesoftware.smack.PacketListener;
import org.jivesoftware.smack.SmackException.NotConnectedException;
import org.jivesoftware.smack.packet.Packet;
public class GroupChatMsgListener implements PacketListener
{
#Override
public void processPacket(Packet packet) throws NotConnectedException
{
System.out.println(" Received group cht messages... ");
System.out.println("from : "+packet.getFrom());
System.out.println("to : "+packet.getTo());
System.out.println(packet.toString());
}
}
In order to send messages in the groupchat you need to join it first:
mMultiUserChat.join("yournickname");
Its not working in 4.1.9 version, you can try this one:
public MultiUserChat mMultiUserChat;
private MultiUserChatManager mMultiUserChatManager;
mMultiUserChatManager = MultiUserChatManager.getInstanceFor(mAbstractXMPPConnection);
mMultiUserChatManager.addInvitationListener(this);
mMultiUserChat = mMultiUserChatManager.getMultiUserChat(room);
mMultiUserChat.addMessageListener(this);
try {
mMultiUserChat.join(yournickname);
// mMultiUserChat.sendConfigurationForm(new Form(DataForm.Type.submit));
} catch (SmackException.NoResponseException e) {
e.printStackTrace();
} catch (XMPPException.XMPPErrorException e) {
e.printStackTrace();
} catch (SmackException.NotConnectedException e) {
e.printStackTrace();
}
and for send message:
Message msg = new Message(room, Message.Type.groupchat);
msg.setBody(message);
mMultiUserChat.sendMessage(msg);
Hope this is helpful, thanks.
I am new to Android Studio and intelliJ.
I am trying to work with AmazonSNS - Push. I am unable to figure out how to add AwsCredentials.properties file to classpath of the module. I get a NPE at line 57 in the image below(at method getResourceAsStream()). I added the required keys in AwsCredentials.properties file.
Error:
In the questions that i have come across on StackOverflow regarding similar issues, some suggested that the file should be in the root folder, where, src is. I placed it in the same folder as that of src, but still getting the NPE. I also tried placing the file in com/test/ but with no use.
How do i solve this? Are there any other steps involved?
EDIT after starting a bounty - Adding java files
Here is what i did till now..
Create an Android Application called MyApplication. Imported all classes(AndroidMobilePushApp.java, ExternalReceiver.java, MessageReceivingService.java) from the demo application. Added required libs, and ran it and got the registationId as response from Amazon.
In the same application, i created a new module called snspush and imported SNSMobilePush.java file into it. Also imported the AwsCredentials.properties file to the same path as that of SNSMobilePush.java. Added the keys in AwsCredentials.properties file.
Followed the steps in documentation to uncomment necessary funtions.
Project Structure:
Java files:
AndroidMobilePushApp.java:
public class AndroidMobilePushApp extends AppCompatActivity {
private TextView tView;
private SharedPreferences savedValues;
private String numOfMissedMessages;
// Since this activity is SingleTop, there can only ever be one instance. This variable corresponds to this instance.
public static Boolean inBackground = true;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
numOfMissedMessages = getString(R.string.num_of_missed_messages);
setContentView(R.layout.activity_main);
tView = (TextView) findViewById(R.id.tViewId);
tView.setMovementMethod(new ScrollingMovementMethod());
startService(new Intent(this, MessageReceivingService.class));
}
public void onStop(){
super.onStop();
inBackground = true;
}
public void onRestart(){
super.onRestart();
tView.setText("");;
}
public void onResume(){
super.onResume();
inBackground = false;
savedValues = MessageReceivingService.savedValues;
int numOfMissedMessages = 0;
if(savedValues != null){
numOfMissedMessages = savedValues.getInt(this.numOfMissedMessages, 0);
}
String newMessage = getMessage(numOfMissedMessages);
if(newMessage!=""){
Log.i("displaying message", newMessage);
tView.append(newMessage);
}
}
public void onNewIntent(Intent intent){
super.onNewIntent(intent);
setIntent(intent);
}
// If messages have been missed, check the backlog. Otherwise check the current intent for a new message.
private String getMessage(int numOfMissedMessages) {
String message = "";
String linesOfMessageCount = getString(R.string.lines_of_message_count);
if(numOfMissedMessages > 0){
String plural = numOfMissedMessages > 1 ? "s" : "";
Log.i("onResume","missed " + numOfMissedMessages + " message" + plural);
tView.append("You missed " + numOfMissedMessages +" message" + plural + ". Your most recent was:\n");
for(int i = 0; i < savedValues.getInt(linesOfMessageCount, 0); i++){
String line = savedValues.getString("MessageLine"+i, "");
message+= (line + "\n");
}
NotificationManager mNotification = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
mNotification.cancel(R.string.notification_number);
SharedPreferences.Editor editor=savedValues.edit();
editor.putInt(this.numOfMissedMessages, 0);
editor.putInt(linesOfMessageCount, 0);
editor.commit();
}
else{
Log.i("onResume","no missed messages");
Intent intent = getIntent();
if(intent!=null){
Bundle extras = intent.getExtras();
if(extras!=null){
for(String key: extras.keySet()){
message+= key + "=" + extras.getString(key) + "\n";
}
}
}
}
message+="\n";
return message;
}
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public boolean onOptionsItemSelected(MenuItem item) {
if(item.getItemId() == R.id.menu_clear){
tView.setText("");
return true;
}
else{
return super.onOptionsItemSelected(item);
}
}
}
ExternalReceiver.java
package com.test.awstestapp;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
public class ExternalReceiver extends BroadcastReceiver {
public void onReceive(Context context, Intent intent) {
if(intent!=null){
Bundle extras = intent.getExtras();
if(!AndroidMobilePushApp.inBackground){
MessageReceivingService.sendToApp(extras, context);
}
else{
MessageReceivingService.saveToLog(extras, context);
}
}
}
}
MessageReceivingService.java
public class MessageReceivingService extends Service{
private GoogleCloudMessaging gcm;
public static SharedPreferences savedValues;
public static void sendToApp(Bundle extras, Context context){
Intent newIntent = new Intent();
newIntent.setClass(context, AndroidMobilePushApp.class);
newIntent.putExtras(extras);
newIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(newIntent);
}
public void onCreate(){
super.onCreate();
final String preferences = getString(R.string.preferences);
savedValues = getSharedPreferences(preferences, Context.MODE_PRIVATE);
// In later versions multi_process is no longer the default
if(VERSION.SDK_INT > 9){
savedValues = getSharedPreferences(preferences, Context.MODE_MULTI_PROCESS);
}
gcm = GoogleCloudMessaging.getInstance(getBaseContext());
SharedPreferences savedValues = PreferenceManager.getDefaultSharedPreferences(this);
if(savedValues.getBoolean(getString(R.string.first_launch), true)){
register();
SharedPreferences.Editor editor = savedValues.edit();
editor.putBoolean(getString(R.string.first_launch), false);
editor.commit();
}
// Let AndroidMobilePushApp know we have just initialized and there may be stored messages
sendToApp(new Bundle(), this);
}
protected static void saveToLog(Bundle extras, Context context){
SharedPreferences.Editor editor=savedValues.edit();
String numOfMissedMessages = context.getString(R.string.num_of_missed_messages);
int linesOfMessageCount = 0;
for(String key : extras.keySet()){
String line = String.format("%s=%s", key, extras.getString(key));
editor.putString("MessageLine" + linesOfMessageCount, line);
linesOfMessageCount++;
}
editor.putInt(context.getString(R.string.lines_of_message_count), linesOfMessageCount);
editor.putInt(context.getString(R.string.lines_of_message_count), linesOfMessageCount);
editor.putInt(numOfMissedMessages, savedValues.getInt(numOfMissedMessages, 0) + 1);
editor.commit();
postNotification(new Intent(context, AndroidMobilePushApp.class), context);
}
protected static void postNotification(Intent intentAction, Context context){
final NotificationManager mNotificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
final PendingIntent pendingIntent = PendingIntent.getActivity(context, 0, intentAction, Notification.DEFAULT_LIGHTS | Notification.FLAG_AUTO_CANCEL);
final Notification notification = new NotificationCompat.Builder(context).setSmallIcon(R.mipmap.ic_launcher)
.setContentTitle("Message Received!")
.setContentText("")
.setContentIntent(pendingIntent)
.setAutoCancel(true)
.getNotification();
mNotificationManager.notify(R.string.notification_number, notification);
}
private void register() {
new AsyncTask(){
protected Object doInBackground(final Object... params) {
String token;
try {
token = gcm.register(getString(R.string.project_number));
Log.i("registrationId", token);
}
catch (IOException e) {
Log.i("Registration Error", e.getMessage());
}
return true;
}
}.execute(null, null, null);
}
public IBinder onBind(Intent arg0) {
return null;
}
}
SNSMobilePush.java
package com.test;
public class SNSMobilePush {
private AmazonSNSClientWrapper snsClientWrapper;
public SNSMobilePush(AmazonSNS snsClient) {
this.snsClientWrapper = new AmazonSNSClientWrapper(snsClient);
}
public static final Map<Platform, Map<String, MessageAttributeValue>> attributesMap = new HashMap<Platform, Map<String, MessageAttributeValue>>();
static {
attributesMap.put(Platform.ADM, null);
attributesMap.put(Platform.GCM, null);
attributesMap.put(Platform.APNS, null);
attributesMap.put(Platform.APNS_SANDBOX, null);
attributesMap.put(Platform.BAIDU, addBaiduNotificationAttributes());
attributesMap.put(Platform.WNS, addWNSNotificationAttributes());
attributesMap.put(Platform.MPNS, addMPNSNotificationAttributes());
}
public static void main(String[] args) throws IOException {
/*
* TODO: Be sure to fill in your AWS access credentials in the
* AwsCredentials.properties file before you try to run this sample.
* http://aws.amazon.com/security-credentials
*/
AmazonSNS sns = new AmazonSNSClient(new PropertiesCredentials(
SNSMobilePush.class
.getResourceAsStream("AwsCredentials.properties")));
sns.setEndpoint("https://sns.us-west-2.amazonaws.com");
System.out.println("===========================================\n");
System.out.println("Getting Started with Amazon SNS");
System.out.println("===========================================\n");
try {
SNSMobilePush sample = new SNSMobilePush(sns);
/* TODO: Uncomment the services you wish to use. */
sample.demoAndroidAppNotification();
// sample.demoKindleAppNotification();
// sample.demoAppleAppNotification();
// sample.demoAppleSandboxAppNotification();
// sample.demoBaiduAppNotification();
// sample.demoWNSAppNotification();
// sample.demoMPNSAppNotification();
} catch (AmazonServiceException ase) {
System.out
.println("Caught an AmazonServiceException, which means your request made it "
+ "to Amazon SNS, but was rejected with an error response for some reason.");
System.out.println("Error Message: " + ase.getMessage());
System.out.println("HTTP Status Code: " + ase.getStatusCode());
System.out.println("AWS Error Code: " + ase.getErrorCode());
System.out.println("Error Type: " + ase.getErrorType());
System.out.println("Request ID: " + ase.getRequestId());
} catch (AmazonClientException ace) {
System.out
.println("Caught an AmazonClientException, which means the client encountered "
+ "a serious internal problem while trying to communicate with SNS, such as not "
+ "being able to access the network.");
System.out.println("Error Message: " + ace.getMessage());
}
}
public void demoAndroidAppNotification() {
// TODO: Please fill in following values for your application. You can
// also change the notification payload as per your preferences using
// the method
// com.amazonaws.sns.samples.tools.SampleMessageGenerator.getSampleAndroidMessage()
String serverAPIKey = "REPLACED_WITH_SERVER_API_KEY";
String applicationName = "snspushtest";
String registrationId = "REPLACED_WITH_REG_ID_FROM_AMAZON";
snsClientWrapper.demoNotification(Platform.GCM, "", serverAPIKey,
registrationId, applicationName, attributesMap);
}
public void demoKindleAppNotification() {
// TODO: Please fill in following values for your application. You can
// also change the notification payload as per your preferences using
// the method
// com.amazonaws.sns.samples.tools.SampleMessageGenerator.getSampleKindleMessage()
String clientId = "";
String clientSecret = "";
String applicationName = "";
String registrationId = "";
snsClientWrapper.demoNotification(Platform.ADM, clientId, clientSecret,
registrationId, applicationName, attributesMap);
}
public void demoAppleAppNotification() {
// TODO: Please fill in following values for your application. You can
// also change the notification payload as per your preferences using
// the method
// com.amazonaws.sns.samples.tools.SampleMessageGenerator.getSampleAppleMessage()
String certificate = ""; // This should be in pem format with \n at the
// end of each line.
String privateKey = ""; // This should be in pem format with \n at the
// end of each line.
String applicationName = "";
String deviceToken = ""; // This is 64 hex characters.
snsClientWrapper.demoNotification(Platform.APNS, certificate,
privateKey, deviceToken, applicationName, attributesMap);
}
public void demoAppleSandboxAppNotification() {
// TODO: Please fill in following values for your application. You can
// also change the notification payload as per your preferences using
// the method
// com.amazonaws.sns.samples.tools.SampleMessageGenerator.getSampleAppleMessage()
String certificate = ""; // This should be in pem format with \n at the
// end of each line.
String privateKey = ""; // This should be in pem format with \n at the
// end of each line.
String applicationName = "";
String deviceToken = ""; // This is 64 hex characters.
snsClientWrapper.demoNotification(Platform.APNS_SANDBOX, certificate,
privateKey, deviceToken, applicationName, attributesMap);
}
public void demoBaiduAppNotification() {
/*
* TODO: Please fill in the following values for your application. If
* you wish to change the properties of your Baidu notification, you can
* do so by modifying the attribute values in the method
* addBaiduNotificationAttributes() . You can also change the
* notification payload as per your preferences using the method
* com.amazonaws
* .sns.samples.tools.SampleMessageGenerator.getSampleBaiduMessage()
*/
String userId = "";
String channelId = "";
String apiKey = "";
String secretKey = "";
String applicationName = "";
snsClientWrapper.demoNotification(Platform.BAIDU, apiKey, secretKey,
channelId + "|" + userId, applicationName, attributesMap);
}
public void demoWNSAppNotification() {
/*
* TODO: Please fill in the following values for your application. If
* you wish to change the properties of your WNS notification, you can
* do so by modifying the attribute values in the method
* addWNSNotificationAttributes() . You can also change the notification
* payload as per your preferences using the method
* com.amazonaws.sns.samples
* .tools.SampleMessageGenerator.getSampleWNSMessage()
*/
String notificationChannelURI = "";
String packageSecurityIdentifier = "";
String secretKey = "";
String applicationName = "";
snsClientWrapper.demoNotification(Platform.WNS,
packageSecurityIdentifier, secretKey, notificationChannelURI,
applicationName, attributesMap);
}
public void demoMPNSAppNotification() {
/*
* TODO: Please fill in the following values for your application. If
* you wish to change the properties of your MPNS notification, you can
* do so by modifying the attribute values in the method
* addMPNSNotificationAttributes() . You can also change the
* notification payload as per your preferences using the method
* com.amazonaws
* .sns.samples.tools.SampleMessageGenerator.getSampleMPNSMessage ()
*/
String notificationChannelURI = "";
String applicationName = "";
snsClientWrapper.demoNotification(Platform.MPNS, "", "",
notificationChannelURI, applicationName, attributesMap);
}
private static Map<String, MessageAttributeValue> addBaiduNotificationAttributes() {
Map<String, MessageAttributeValue> notificationAttributes = new HashMap<String, MessageAttributeValue>();
notificationAttributes.put("AWS.SNS.MOBILE.BAIDU.DeployStatus",
new MessageAttributeValue().withDataType("String")
.withStringValue("1"));
notificationAttributes.put("AWS.SNS.MOBILE.BAIDU.MessageKey",
new MessageAttributeValue().withDataType("String")
.withStringValue("default-channel-msg-key"));
notificationAttributes.put("AWS.SNS.MOBILE.BAIDU.MessageType",
new MessageAttributeValue().withDataType("String")
.withStringValue("0"));
return notificationAttributes;
}
private static Map<String, MessageAttributeValue> addWNSNotificationAttributes() {
Map<String, MessageAttributeValue> notificationAttributes = new HashMap<String, MessageAttributeValue>();
notificationAttributes.put("AWS.SNS.MOBILE.WNS.CachePolicy",
new MessageAttributeValue().withDataType("String")
.withStringValue("cache"));
notificationAttributes.put("AWS.SNS.MOBILE.WNS.Type",
new MessageAttributeValue().withDataType("String")
.withStringValue("wns/badge"));
return notificationAttributes;
}
private static Map<String, MessageAttributeValue> addMPNSNotificationAttributes() {
Map<String, MessageAttributeValue> notificationAttributes = new HashMap<String, MessageAttributeValue>();
notificationAttributes.put("AWS.SNS.MOBILE.MPNS.Type",
new MessageAttributeValue().withDataType("String")
.withStringValue("token")); // This attribute is required.
notificationAttributes.put("AWS.SNS.MOBILE.MPNS.NotificationClass",
new MessageAttributeValue().withDataType("String")
.withStringValue("realtime")); // This attribute is required.
return notificationAttributes;
}
}
EDIT 2:
EDIT 3:
I changed the following code to:
AmazonSNS sns = new AmazonSNSClient(new PropertiesCredentials(
SNSMobilePush.class
.getResourceAsStream("AwsCredentials.properties")));
to
AmazonSNS sns = new AmazonSNSClient(new BasicAWSCredentials("ACCESS_KEY_REPLACED",
"SECRET_KEY_REPLACED"));
Now, there is a different error: Logcat
===========================================
Getting Started with Amazon SNS
===========================================
Exception in thread "main" java.lang.NoClassDefFoundError: org/xmlpull/v1/XmlPullParserException
at com.amazonaws.services.sns.AmazonSNSClient.invoke(AmazonSNSClient.java:2263)
at com.amazonaws.services.sns.AmazonSNSClient.createPlatformApplication(AmazonSNSClient.java:358)
at com.test.tools.AmazonSNSClientWrapper.createPlatformApplication(AmazonSNSClientWrapper.java:49)
at com.test.tools.AmazonSNSClientWrapper.demoNotification(AmazonSNSClientWrapper.java:119)
at com.test.SNSMobilePush.demoAndroidAppNotification(SNSMobilePush.java:104)
at com.test.SNSMobilePush.main(SNSMobilePush.java:71)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Caused by: java.lang.ClassNotFoundException: org.xmlpull.v1.XmlPullParserException
at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 11 more
Process finished with exit code 1
I'm using sns v2.2.5 :
build.gradle > compile 'com.amazonaws:aws-android-sdk-sns:2.2.5'
Here is my solution for subscribe/unsubscribe:
public class AmazonPushClient {
private static final String TAG = "AmazonPushClient";
private static final String PLATFORM_APPLICATION_ARN = "*****";
private static final String IDENTITY_POOL_ID = "******";
private AmazonSNSClient mClient;
private boolean isUnregistering;
private Application mApp;
private NotifPreferencesHelper mNotifPreferencesHelper;
public AmazonPushClient(Application application) {
try {
mApp = application;
mClient = createPushClient(application);
mNotifPreferencesHelper = new NotifPreferencesHelper(application);
} catch (Exception e) {
LOGE(TAG, "AmazonPushClient", e);
}
}
#Nullable
private String token() {
try {
return InstanceID.getInstance(mApp).getToken(mApp.getString(R.string.gcm_defaultSenderId),
GoogleCloudMessaging.INSTANCE_ID_SCOPE, null);
} catch (Exception e) {
LOGW(TAG, "token", e);
return null;
}
}
private CognitoCachingCredentialsProvider cognitoCachingCredentialsProvider(Application application) {
return new CognitoCachingCredentialsProvider(
application,
IDENTITY_POOL_ID,
Regions.EU_WEST_1 // if your identity_pool_id start with : eu-west-1
);
}
private AmazonSNSClient createPushClient(Application application) {
AmazonSNSClient client = new AmazonSNSClient(cognitoCachingCredentialsProvider(application));
client.setRegion(Region.getRegion(Regions.EU_WEST_1));
client.addRequestHandler(mHandler);
return client;
}
public void pRegister() {
synchronized (TAG) {
LOGD(TAG, "registering");
isUnregistering = true;
String token = token();
if(TextUtils.isEmpty(token)) {
return;
}
mNotifPreferencesHelper.saveNotificationPreferences(true);
CreatePlatformEndpointRequest platformEndpointRequest = new CreatePlatformEndpointRequest();
platformEndpointRequest.setToken(token());
platformEndpointRequest.setPlatformApplicationArn(PLATFORM_APPLICATION_ARN);
CreatePlatformEndpointResult result = mClient.createPlatformEndpoint(platformEndpointRequest);
mNotifPreferencesHelper.storeEndpointArn(result.getEndpointArn());
}
}
public void pUnregister() {
synchronized (TAG) {
LOGD(TAG, "unregistering");
isUnregistering = false;
mNotifPreferencesHelper.saveNotificationPreferences(false);
DeleteEndpointRequest deletePlatformApplicationRequest = new DeleteEndpointRequest();
deletePlatformApplicationRequest.setEndpointArn(mNotifPreferencesHelper.getEndpointArn());
mClient.deleteEndpoint(deletePlatformApplicationRequest);
}
}
private RequestHandler2 mHandler = new RequestHandler2() {
#Override
public void beforeRequest(Request<?> request) {
}
#Override
public void afterResponse(Request<?> request, Response<?> response) {
if (isUnregistering) {
mNotifPreferencesHelper.storeEndpointArn(null);
}
}
#Override
public void afterError(Request<?> request, Response<?> response, Exception e) {
}
};
}
NotifPreferencesHelper is just something to store the EndpointARN. You have to use this class in a background thread
In association you have to implements GcmListenerService etc.. SNS is just for subscribe, not receive.
https://developers.google.com/cloud-messaging/
With respect to the Properties Credentials
A. Are you sure you are exporting the file in the build? Have you made sure you can access the file using regular file I/O outside of the credentials provider? Are you sure the file is formatted correctly (see https://github.com/aws/aws-sdk-android/blob/master/aws-android-sdk-core/src/main/java/com/amazonaws/auth/PropertiesCredentials.java)
accessKey=KEY
secretKey=SECRET
Also looking at the source you should be able to load this file yourself using http://developer.android.com/reference/java/util/Properties.html.
However, I highly recommend not using this credentials provider. It is extremely unsafe in a mobile applications. Anyone could decompile your app and steal your credentials. A much safer approach is to use Amazon Cognito, which there is a plethora of examples. (Bottom of https://docs.aws.amazon.com/mobile/sdkforandroid/developerguide/setup.html , any of the examples here: https://docs.aws.amazon.com/mobile/sdkforandroid/developerguide/getting-started-android.html as well as samples in the GitHub repo https://github.com/awslabs/aws-sdk-android-samples
Cognito requires a little bit of set-up but the guides are tested, and it really doesn't take much more than a few minutes to be much more secure.
Don't think you should import 'SNSMobilePush' to a module of your android application
In the same application, i created a new module called snspush and
imported SNSMobilePush.java file into it. Also imported the
AwsCredentials.properties file to the same path as that of
SNSMobilePush.java. Added the keys in AwsCredentials.properties file.
SNSMobilePush is just a Java app provided by AWS to do tasks like
upload (bulkupload package) several tokens (device tokens or registration IDs) to Amazon SNS or
send a push notification.
You need to register your mobile app with AWS (using AndroidMobilePushApp android app). You should obtain below information (refer this link)
Client ID and client secret
API key
Device token or Registration ID (per device)
Then you can use SNSMobilePush java app or even a AWS SNS console as described here to send push notification to your registered device.
I would suggest you to try out sending push notification from the console instead of java app. You can register tokens from devices that will install your app in the future as described in the one of the options (preferably the last option) as described here
i am making an android socket app to communicate with the server for creating accounts, and i noticed i have to do this in AsyncTask sub class, even when i seperate it to another class without UI,but i am terribly confused how can i use AsyncTask on this, is there any one expert here who can help me please?
this is the code:
public class AccountCreator extends Activity {
public AccountCreator(){
super();
}
// for I/O
ObjectInputStream sInput; // to read from the socket
ObjectOutputStream sOutput; // to write on the socket
Socket socket;
public static String LOGTAG="Lifemate";
public String server = "localhost";
public String username = "user";
public String password = "rezapassword" ;
public int port = 1400;
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
Log.i(LOGTAG,"oncreate called");
this.start();
}
AccountCreator(String server, int port, String username,String password) {
this.server = "localhost";
this.port = 1400;
this.username = username;
Log.i(LOGTAG,"first accountcreator called");
}
public boolean start() {
// try to connect to the server
//this method returns a value of true or false when called
try {
socket = new Socket(server, port);
}
// if it failed not much I can so
catch(Exception ec) {
// display("Error connectiong to server:" + ec);
Log.i(LOGTAG,"Error connectiong to server:" + ec);
return false;
}
String msg = "Connection accepted " + socket.getInetAddress() + ":" +
socket.getPort();
// display(msg);
Log.i(LOGTAG, msg);
/* Creating both Data Stream */
try
{
sInput = new ObjectInputStream(socket.getInputStream());
sOutput = new ObjectOutputStream(socket.getOutputStream());
}
catch (IOException eIO) {
// display("Exception creating new Input/output Streams: " + eIO);
Log.i(LOGTAG,"Exception creating new Input/output Streams: " +
eIO);
return false;
}
// creates the Thread to listen from the server
// Send our username to the server this is the only message that we
// will send as a String. All other messages will be ChatMessage objects
try
{
sOutput.writeObject(username);
sOutput.writeObject(password);
}
catch (IOException eIO) {
// display("Exception doing login : " + eIO);
Log.i(LOGTAG,"Exception doing login : " + eIO);
disconnect();
return false;
}
// success we inform the caller that it worked
return true;
}
// private void display(String msg) {
// TextView screenprint = (TextView)findViewById(R.id.systemmessages);
// screenprint.setText(msg);
// }
private void disconnect() {
Log.i(LOGTAG,"reached disconnect");
try {
if(sInput != null) sInput.close();
}
catch(Exception e) {} // not much else I can do
try {
if(sOutput != null) sOutput.close();
}
catch(Exception e) {} // not much else I can do
try{
if(socket != null) socket.close();
}
catch(Exception e) {} // not much else I can do
}
public void Begin() {
Log.i(LOGTAG,"it begun");
int portNumber = 1400;
String serverAddress = server;
String userName = username;
String newpassword = password;
AccountCreator accountcreator = new AccountCreator(serverAddress, portNumber,
userName,password);
if(!accountcreator.start())
return;
}
}
i was trying to put whole code in Async, i dont know if was i right, do i need to do that also or just some parts of it?
In brief, AsyncTask contains a few methods which may be helpful:
onPreExecute:
This method is the first block of code executed when calling asyncTask.execute(); (runs on mainUIThread).
doInBackground:
Here you put all the code which may suspend you main UI (causes hang for your application) like internet requests, or any processing which may take a lot of memory and processing. (runs on background thread), contains one parameter taken from the asyncTask.execute(ParameterType parameter);
onPostExecute
Runs after doInBackground(). Its parameter is the return value of the doInBackground function, and mainly you put the changes in UI need to be done after the connection is finished (runs on mainUIThread)
You have to declare another class within the class you have already created.
class SomeName extends Async<Void, String, Void>{
protected void OnPreExecute(){
// starts the task runs on main UI thread
// Can be used to start a progress dialog to show the user progress
}
#Override
protected Void doInBackground(Void... params){
// does what you want it to do in the background
// Connected to the server to check a log-in
return result;
}
protected void OnPostExecute(Void result){
// finishes the task and can provide information back on the main UI thread
// this would be were you would dismiss the progress dialog
}
}
I'm trying to get the Salesforce REST API working with Android and new to android programming, followed the sample code to connect with SFDC http://wiki.developerforce.com/page/Getting_Started_with_the_Mobile_SDK_for_Android#Authentication
I'm trying to get a few records from SFDC and display them in the android app, looks like when the Async Call is made at "client.sendAsync(sfRequest, new AsyncRequestCallback()" - NullPointerException is thrown.
I did see a couple of similar issues online, but didn't help me. Hoping if some one would point me in the right direction to troubleshoot this. Thanks much.
public class GetAccountsActivity extends Activity {
private PasscodeManager passcodeManager;
private String soql;
private String apiVersion;
private RestClient client;
private TextView resultText;
private RestRequest sfRequest;
#Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Get Api Version
apiVersion = getString(R.string.api_version);
//Create Query
soql = "select id, name from Account limit 10";
// Setup view
setContentView(R.layout.get_accounts_activity);
((TextView) findViewById(R.id.Acc_Title)).setText(apiVersion);
// Passcode manager
passcodeManager = ForceApp.APP.getPasscodeManager();
}
#Override
public void onResume() {
super.onResume();
//Get SFClient
// Login options
String accountType = ForceApp.APP.getAccountType();
LoginOptions loginOptions = new LoginOptions(
null, // login host is chosen by user through the server picker
ForceApp.APP.getPasscodeHash(),
getString(R.string.oauth_callback_url),
getString(R.string.oauth_client_id),
new String[] {"api"});
new ClientManager(this, accountType, loginOptions).getRestClient(this, new RestClientCallback() {
#Override
public void authenticatedRestClient(RestClient client) {
if (client == null) {
ForceApp.APP.logout(GetAccountsActivity.this);
return;
}
GetAccountsActivity.this.client = client;
}
});
//Get Rest Object to query
try {
sfRequest = RestRequest.getRequestForQuery(apiVersion, soql);
//Use SF Rest Client to send the request
client.sendAsync(sfRequest, new AsyncRequestCallback(){
#Override
public void onSuccess(RestRequest request, RestResponse response){
//Check responses and display results
// EventsObservable.get().notifyEvent(EventType.RenditionComplete);
}//end onSuccess
#Override
public void onError(Exception exception) {
//printException(exception);
EventsObservable.get().notifyEvent(EventType.RenditionComplete);
}//End Exception for Async Method
});
}catch (UnsupportedEncodingException e) {
//printHeader("Could Send Query request");
//printException(e);
return;
}
}
}
enter code here
You are calling client.sendAsync from onResume() but client is not set until the authenticatedRestClient callback is called, you need to move your sendAsync call into the authenticatedRestClient callback.