I am new to android. I am developing the new app with email sending option. To send a mail I have used gmail configurations host "smtp.gmail.com", port 465 with SSL true. To send an email I have apache commons API. OnTouch event mail sending method will call. Whenever touch button it shows following errors,
Error : Could not find class 'javax.naming.InitialContext', referenced from method org.apache.commons.mail.Email.setMailSessionFromJNDI
Warning: VFY: unable to resolve new-instance 955 (Ljavax/naming/InitialContext;) in Lorg/apache/commons/mail/Email;
Warning : org.apache.commons.mail.EmailException: Sending the email to the following server failed : smtp.gmail.com:465
I have added uses-permission android:name="android.permission.INTERNET" in my manifest file.
Can i use all java files in android ?
My email code executed correctly as a stand alone java program.
Here is an example of what I am doing in an app. I have an app that has its own email account that sends an email to the user when they fill out a form and press the submit button.
Important make sure you have the libSMTP.jar file referenced in your app. I am using this library for the following code. Here is the following code being used, take from it what you'd like, hope this is useful:
Imports needed:
import org.apache.commons.net.smtp.SMTPClient;
import org.apache.commons.net.smtp.SMTPReply;
import org.apache.commons.net.smtp.SimpleSMTPHeader;
Submit button to make the request to send email
submit.setOnClickListener(new OnClickListener()
{
public void onClick(View v)
{
//-- Submit saves data to sqlite db, but removed that portion for this demo...
//-- Executes an new task to send an automated email to user when they fill out a form...
new sendEmailTask().execute();
}
}
});
Email task to be preformed on seperate thread:
private class sendEmailTask extends AsyncTask<Void, Void, Void>
{
#Override
protected void onPostExecute(Void result)
{
}
#Override
protected void onPreExecute()
{
}
#SuppressLint("ParserError")
#Override
protected Void doInBackground(Void... params)
{
try {
//--Note the send format is as follows: send(from, to, subject line, body message)
send("myAppName#gmail.com", "emailToSendTo#gmail.com", "Form Submitted", "You submitted the form.");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
}
Send function being used:
public void send(String from, String to, String subject, String text) throws IOException
{
SMTPClient client = new SMTPClient("UTF-8");
client.setDefaultTimeout(60 * 1000);
client.setRequireStartTLS(true); // requires STARTTLS
//client.setUseStartTLS(true); // tries STARTTLS, but falls back if not supported
client.setUseAuth(true); // use SMTP AUTH
//client.setAuthMechanisms(authMechanisms); // sets AUTH mechanisms e.g. LOGIN
client.connect("smtp.gmail.com", 587);
checkReply(client);
//--Note the following format is as follows: client.login("localhost", (...your email account being used to send email from...), (...your email accounts password ...));
client.login("localhost", "myAppName#gmail.com", "...myAppName email account password...");
checkReply(client);
client.setSender(from);
checkReply(client);
client.addRecipient(to);
checkReply(client);
Writer writer = client.sendMessageData();
if (writer != null)
{
SimpleSMTPHeader header = new SimpleSMTPHeader(from, to, subject);
writer.write(header.toString());
writer.write(text);
writer.close();
client.completePendingCommand();
checkReply(client);
}
client.logout();
client.disconnect();
}
Check reply function being used:
private void checkReply(SMTPClient sc) throws IOException
{
if (SMTPReply.isNegativeTransient(sc.getReplyCode()))
{
sc.disconnect();
throw new IOException("Transient SMTP error " + sc.getReplyCode());
}
else if (SMTPReply.isNegativePermanent(sc.getReplyCode()))
{
sc.disconnect();
throw new IOException("Permanent SMTP error " + sc.getReplyCode());
}
}
From Apache Commons Net 3.3, you can just drop the jar in your classpath and start using the AuthenticationSMTPClient : http://blog.dahanne.net/2013/06/17/sending-a-mail-in-java-and-android-with-apache-commons-net/
Related
I'm attempting to convert the code located at How to use signalr in android Service from java to c# and have been making some progress. I'm now stuck at the final method. The java code is:
private void startSignalR() {
Platform.loadPlatformComponent(new AndroidPlatformComponent());
mInstance.setmHubConnection();
mInstance.setHubProxy();
ClientTransport clientTransport = new ServerSentEventsTransport(mInstance.mHubConnection.getLogger());
SignalRFuture<Void> signalRFuture = mInstance.mHubConnection.start(clientTransport);
try {
signalRFuture.get();
} catch (InterruptedException | ExecutionException e) {
Log.e("SimpleSignalR", e.toString());
return;
}
mInstance.sendMessage(MainActivity.unm,"Hello All!");
String CLIENT_METHOD_BROADAST_MESSAGE = "recievedMessage";
mInstance.mHubProxy.on(CLIENT_METHOD_BROADAST_MESSAGE,
new SubscriptionHandler2<String,LoginInfo>() {
#Override
public void run(final String msg,final LoginInfo loginInfo) {
final String finalMsg = loginInfo.FullName + " says " + loginInfo.Password;
Intent intent = new Intent();
intent.setAction(MY_ACTION);
intent.putExtra("DATAPASSED", finalMsg);
sendBroadcast(intent);
}
}
, String.class,LoginInfo.class);
}
Using a java to c# converter, this translated to:
private void startSignalR()
{
Platform.loadPlatformComponent(new AndroidPlatformComponent());
mInstance.setmHubConnection();
mInstance.setHubProxy();
ClientTransport clientTransport = new ServerSentEventsTransport(mInstance.mHubConnection.Logger);
SignalRFuture<Void> signalRFuture = mInstance.mHubConnection.Start(clientTransport);
try
{
signalRFuture.get();
}
catch (Exception e) when (e is InterruptedException || e is ExecutionException)
{
// Log.e("SimpleSignalR", e.ToString());
return;
}
mInstance.sendMessage("", "Hello All!");
string CLIENT_METHOD_BROADAST_MESSAGE = "recievedMessage";
//String CLIENT_METHOD_BROADAST_MESSAGE = "messageReceived";
mInstance.mHubProxy.on(CLIENT_METHOD_BROADAST_MESSAGE, new SubscriptionHandler2AnonymousInnerClass(this)
, typeof(string), typeof(LoginInfo));
}
private class SubscriptionHandler2AnonymousInnerClass : SubscriptionHandler2<string, LoginInfo>
{
private readonly SignalRSrv outerInstance;
public SubscriptionHandler2AnonymousInnerClass(SignalRSrv outerInstance)
{
this.outerInstance = outerInstance;
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET:
//ORIGINAL LINE: #Override public void run(final String msg,final LoginInfo loginInfo)
public override void run(string msg, LoginInfo loginInfo)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final String finalMsg = loginInfo.FullName + " says " + loginInfo.Password;
string finalMsg = loginInfo.FullName + " says " + loginInfo.Password;
Intent intent = new Intent();
intent.Action = MY_ACTION;
intent.PutExtra("DATAPASSED", finalMsg);
sendBroadcast(intent);
}
}
This, of course, generated several errors in Visual Studio 2017.
First, the line Platform.loadPlatformComponent(new AndroidPlatformComponent()); generated the error Platform is inaccessible due to its protection level. Platform in Xamarin for Visual Studio 2017 is indeed protected and is a internal class in System and I cannot change this, so I'm at a loss as how to proceed with it. The same line generates the error The type or namespace name 'AndroidPlatformComponent' could not be found, these errors a numerous and not unexpected I just can't find an equivalent to AndroidPlatformComponent in Visual Studio 2017 so I'm at a loss as how to solve this one.
Next, on this line ClientTransport clientTransport = new ServerSentEventsTransport(mInstance.mHubConnection.Logger); generates the error The type or namespace name 'ClientTransport' could not be found, I was also unable to find an equivalent to this and again I'm at a loss as to proceed. Also on this line, .Logger is not defined for the hub connection, apparently it's .getLogger() in java, I was unable to find an equivalent for this one as well.
Next the line SignalRFuture<Void> signalRFuture = mInstance.mHubConnection.Start(clientTransport);' generates the error 1The type or namespace name 'SignalRFuture<>' could not be found, this seemes to be specific to SignalR, again, I am unable to find an equivalent.
The next one has me totally stumped, the line private class SubscriptionHandler2AnonymousInnerClass : SubscriptionHandler2<string, LoginInfo> generates the error The type or namespace name 'SubscriptionHandler2<,>' could not be found. I've looked everywhere online and read up on AnonymousInnerClass, but it was not help with this.
I'm hoping that the users here are more familiar with SignalR and the differences between c# functionality and java functionality. I'm not at all familiar with java nor am I familiar with SignalR and foreground services.
As it turns out, the last method in the java code I was converting was wiring up an event to pass the message received from the hub to the activity. In c# / Visual Studio (2017), that's done very differently which is why I didn't understand/recognize what was going on. So I created a handler in C# and execute a popup message for the message. This in itself may pose problems, but at least I know what's going on. This is the code I wrote to start SignalR from within the service and WireUp the handler:
private void startSignalR()
{
// Company, Department, and section are private variables
// their values are pulled from the intent bundle
// in the OnBind method, that code is:
// Bundle bundlee = intent.GetBundleExtra("TheBundle");
// MyUser = bundlee.GetParcelable("MyUser") as User;
// This information is put into the bundle when the user is logged in.
// I then pass that information to the SignalR client
// when I set the hub connection and placed on the querystring to the hub.
mInstance.setmHubConnection(username, firstname,lastname,company,department,section);
mInstance.setHubProxy();
try
{
// Connect the client to the hup
mInstance.mHubConnection.Start();
// Set the event handler
mInstance.WireUp();
}
catch (System.Exception e) when (e is InterruptedException || e is ExecutionException)
{
ShowMessage("Error: + e.Message)
}
}
This is the WireUp code, this is a method in the client code:
public void WireUp()
{
// set the event handler
mHubProxy.On("broadcastMessage", (string platform, string message) =>
{
if (OnMessageReceived != null)
OnMessageReceived(this, string.Format("{0}: {1}", platform, message));
});
}
As I had anticipated, the popup message won't appear when the app is in the background, so I'm researching a workaround
I want to consume SOAP based web services when click on a login button.
My code is as follows
loginButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
Log.p(" CaterId : "+catererId.getText());
Log.p(" Username : "+loginId.getText());
Log.p(" Password : "+password.getText());
final String InputParameter = "<soap:Envelope xmlns:soap=\"http://www.w3.org/2003/05/soap-envelope\" xmlns:tem=\"http://tempuri.org/\">"
+" <soap:Header/>"
+" <soap:Body>"
+" <tem:AuthenticateSupervisor>"
+" <tem:username>TestAbhi</tem:username>"
+" <tem:password>TestAbhi</tem:password>"
+" <tem:caterer>calihanint</tem:caterer>"
+" </tem:AuthenticateSupervisor>"
+" </soap:Body>"
+"</soap:Envelope>";
ConnectionRequest r= new ConnectionRequest() {
#Override
protected void buildRequestBody(OutputStream os) throws IOException {
os.write(InputParameter.getBytes("UTF-8"));
}
#Override
protected void postResponse() {
//super.postResponse();
}
#Override
protected void readResponse(InputStream input) throws IOException {
//super.readResponse(input);
XMLParser parser = new XMLParser();
Element elem = parser.parse(new InputStreamReader(input));
Log.p(" Came heer"+elem);
}
};
r.setUrl("http://192.168.10.224:8888/CXPPostScheduleService/Service.asmx");
r.setPost(false);
/*r.addArgument("username", "TestAbhi");
r.addArgument("password", "TestAbhi");
r.addArgument("caterer", "calihanint");*/
r.setContentType("application/soap+xml;charset=UTF-8");
NetworkManager.getInstance().addToQueueAndWait(r);
r.getResponseData();
}
});
It displays an html file as response. Could you please assist me to check what I'm doing wrong in this code.
I assume you need a post request try:
r.setPost(true);
If you are calling this from the device make sure the device is in the same network as the server otherwise the NAT local address will be unreachable. Notice that this will also apply to the simulator if the server is hosted elsewhere and not on your machine.
I also suggest checking the server logs, the error response code and post the error HTML. You can use the network monitor tool in the simulator to further debug this.
So I'm building a signup procedure that needs the user to verify their phone number by receiving a code by sms. I'm using Parse as the backend system and I'm using Twilio service which comes included in Parse to take care of the sms function. I have been successful in sending the verification code to user's number.
This is my parse cloud code:
var client = require('twilio')('ACb3....', '2b3....');
//Send an SMS text message
Parse.Cloud.define("sendVerificationCode", function(request, response) {
var verificationCode = Math.floor(Math.random()*999999);
client.sendSms({
From: "+61437877758",
To: request.params.phoneNumber,
Body: "Your verification code is " + verificationCode + "."
}, function(err, responseData) {
if (err) {
response.error(err);
} else {
response.success("Success");
}
});
});
This is the code from the app:
HashMap<String, Object> params = new HashMap<String, Object>();
params.put("phoneNumber", userNumber);
ParseCloud.callFunctionInBackground("sendVerificationCode", params, new FunctionCallback<String>() {
public void done(String result, ParseException e) {
if (e == null) {
Log.d("Parse", result);
Intent i = new Intent(SignupActivity.this, PhoneVerificationActivity.class);
startActivity(i);
} else {
Toast.makeText(SignupActivity.this, "there was a problem with connection", Toast.LENGTH_LONG).show();
}
}
});
Now I would like to know how can I send that verification code back to my android app from Parse Cloud after success, so tat I can check the verification code against the code user puts in the EditText
if (err) {
response.error(err);
} else {
*//So the code for sending the verification code back goes here:*
response.success("Success");
}
Do I need to use Json and Rest API?, how can I call and grab this verification code from the app?.
I would really appreciate your help. Thanks.
One way would be to return it in response.success...
response.success({ status: "success", verificationCode: ... });
Another way, a better way, is to not trust the client with this. Store a record of it on an object on the server... When the user enters the validation code, call back into another function to check if it is valid. An example of this type of system can be seen in this old out-dated GitHub login example: https://github.com/ParsePlatform/CloudCodeOAuthGitHubTutorial/blob/master/cloud/main.js#L116
I am currently using map-api-2.1.0.jar and map-impl-2.1.0.jar for handling USSD string from mobile phone. This is working fine and user is receiving USSD response.
MapHandling Class
public class MapHandling implements MAPDialogListener,MAPServiceSmsListener,MAPServiceMobilityListener,MAPServiceCallHandlingListener,MAPSer viceSupplementaryListener{
#Override
public void onProcessUnstructuredSSRequest(ProcessUnstructuredSSRequest procUnstrReqInd)
{
try
{
logger.debug("dialogId: " +procUnstrReqInd.getMAPDialog().getLocalDialogId() + " USSD String:"+procUnstrReqInd.getUSSDString()+"MSISDN:"+procUnstrReqInd.getMAPDialog().getReceivedDestReference().getAddress());
} catch (Exception exp)
{
logger.error("USSD - error while loging ussd data ", exp);
}
ss7.request.UnstructuredSSRequest ussdRequest = new ss7.request.UnstructuredSSRequest(procUnstrReqInd);
Thread thr = new Thread(ussdRequest);
thr.start();
}
}
ss7.request.UnstructuredSSRequest Class
public class UnstructuredSSRequest extends SS7Operation implements Runnable {
ProcessUnstructuredSSRequest procUnstrReqInd;
public UnstructuredSSRequest(ProcessUnstructuredSSRequest procUnstrReqInd) {
this.procUnstrReqInd = procUnstrReqInd;
}
#Override
public void run() {
logger.debug("[" + refId + "] Sending USSD response");
sendUSSDResponse(validRequest);
}
private void sendUSSDResponse(boolean validRequest) {
MAPDialogSupplementary dialog = procUnstrReqInd.getMAPDialog();
USSDString ussdStrObj = MapProvider.getMAPParameterFactory().createUSSDString("Thank you for using CC service!");
dialog.addProcessUnstructuredSSResponse(procUnstrReqInd.getInvokeId(),procUnstrReqInd.getDataCodingScheme(), ussdStrObj);
dialog.close(false);
dialog.release();
}
}
Above code is running fine and I receive "Thank you for using CC service!" response when I dial USSD from my phone.
I want to change this into an interactive USSD handler, I want to take input from user when he dials USSD code instead of sending him response and closing the session.
Kindly help me how can I maintain a session for user and take his input.
I believe you are using Mobicents jSS7 project and above code is server side connected to HLR/MSC over SIGTRAN or E1.
If yes, you can see the sample code for server side at https://code.google.com/p/jss7/source/browse/map/load/src/main/java/org/mobicents/protocols/ss7/map/load/Server.java
I'm trying to integrate posting to one's wall from within my app. I already have an area where the user can save his/her username and password (encrypted). I would like my program to recall the saved username and password, pass that to Facebook for authentication, and then allow the app to post simple text (maybe a link too) to the user's wall.
That said, I've read everything on the developer pages at Facebook (the api looks completely foreign to me... I've never done any type of web app development before... just desktop apps), and experimented with the Java libraries here but to be honest, I don't understand any of the various implementations. Some claim to be simple to use, but apparently they are all way above my head.
I've even tried messing with the official Facebook Android SDK, but that uses a webview interface, and I can't pass in the username and password for easy authentication. Plus, I'm still clueless as to how to post to the wall even after correct authentication.
Please help.
Thanks.
Oh, btw I already have a Facebook API key and Application ID.
[UPDATE 1]
For further clarification:
If I use the following code snippet with the official Facebook Android SDK http://github.com/facebook/facebook-android-sdk what should I do next (after the user has logged-in)? This is unclear to me.
Facebook facebookClient = new Facebook();
facebookClient.authorize(this, "[APP ID]", new String[] {"publish_stream", "read_stream", "offline_access"}, this);
where "this" is an Activity that implements a DialogListener, and "[APP ID]" is my Facebook application ID.
Thanks.
[UPDATE 2]
I found a solution (see below), though the only thing missing is the ability to auto-populate the login text boxes with the data I have stored in the app. The official Facebook Android SDK may not allow for this. I'll keep looking into it.
I figured it out, with Tom's help (thanks). The key was creating a dialog with the "stream.publish" API call, using the Facebook Android SDK. Here are the steps:
Download the official Facebook Android SDK : http://github.com/facebook/facebook-android-sdk
Import the project files into Eclipse.
Export the project as a *.jar file. (this might cause a conflict)
[UPDATE]
Facebook recently updated the source code and I noticed the icon file caused resource id conflicts with my projects (Android 1.5+). My solution is to forget about exporting as a jar. Instead, copy the Facebook "com" folder directly into your app's "src" folder (i.e. "com.facebook.android" should be a package in your app... right alongside your source files). If you already have a "com" folder in your "src" folder, don't worry about any dialog boxes that appear about overwriting files, none of your source files should be overwritten. Go back into Eclipse, and refresh the "src" folder and "com.facebook.android" should now be listed as a package. Copy one of the included Facebook icons to your app's "drawable" folder and refresh that as well. Eclipse will complain about the "FbDialog.java" file... just add an import pointing to your app's "R" file to the header of that file (e.g. if your app's package name is "com.android.myapp," then add this: "import com.android.myapp.R;"). Go to #5 if you needed to do this.
Add the .jar file to your project's build path
Look at the following simplified example code:
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.LinearLayout;
import com.facebook.android.*;
import com.facebook.android.Facebook.DialogListener;
public class FacebookActivity extends Activity implements DialogListener,
OnClickListener
{
private Facebook facebookClient;
private LinearLayout facebookButton;
#Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
this.setContentView(R.layout.test);//my layout xml
facebookButton = (LinearLayout)this.findViewById(R.id.Test_Facebook_Layout);
}
#Override
public void onComplete(Bundle values)
{
if (values.isEmpty())
{
//"skip" clicked ?
return;
}
// if facebookClient.authorize(...) was successful, this runs
// this also runs after successful post
// after posting, "post_id" is added to the values bundle
// I use that to differentiate between a call from
// faceBook.authorize(...) and a call from a successful post
// is there a better way of doing this?
if (!values.containsKey("post_id"))
{
try
{
Bundle parameters = new Bundle();
parameters.putString("message", "this is a test");// the message to post to the wall
facebookClient.dialog(this, "stream.publish", parameters, this);// "stream.publish" is an API call
}
catch (Exception e)
{
// TODO: handle exception
System.out.println(e.getMessage());
}
}
}
#Override
public void onError(DialogError e)
{
System.out.println("Error: " + e.getMessage());
}
#Override
public void onFacebookError(FacebookError e)
{
System.out.println("Error: " + e.getMessage());
}
#Override
public void onCancel()
{
}
#Override
public void onClick(View v)
{
if (v == facebookButton)
{
facebookClient = new Facebook();
// replace APP_API_ID with your own
facebookClient.authorize(this, APP_API_ID,
new String[] {"publish_stream", "read_stream", "offline_access"}, this);
}
}
}
AsyncFacebookRunner mAsyncRunner;
Facebook facebook =new Facebook("Your app id");
btnLogin.setOnClickListener(new OnClickListener() {
#Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
facebook.authorize(FbdemoActivity.this, new String[]{ "user_photos,publish_checkins,publish_actions,publish_stream"},new DialogListener() {
#Override
public void onComplete(Bundle values) {
}
#Override
public void onFacebookError(FacebookError error) {
}
#Override
public void onError(DialogError e) {
}
#Override
public void onCancel() {
}
});
}
});
public void postOnWall(String msg) {
Log.d("Tests", "Testing graph API wall post");
try {
String response = facebook.request("me");
Bundle parameters = new Bundle();
parameters.putString("message", msg);
parameters.putString("description", "test test test");
response = facebook.request("me/feed", parameters,
"POST");
Log.d("Tests", "got response: " + response);
if (response == null || response.equals("") ||
response.equals("false")) {
Log.v("Error", "Blank response");
}
} catch(Exception e) {
e.printStackTrace();
}
Here is an objective answer to your new question, "What do I do next?"
A quick look at the source code leads me to believe this is what you do:
Check this URL for the REST (http://en.wikipedia.org/wiki/Representational_State_Transfer) API methods you can use to leave a comment/post:
http://developers.facebook.com/docs/reference/rest/
Specifically this: http://developers.facebook.com/docs/reference/rest/links.post
Check out lines 171 through 295 of Facebook.java
http://github.com/facebook/facebook-android-sdk/blob/master/facebook/src/com/facebook/android/Facebook.java
To see how to use the API to make these requests.
You'll probably want this method (it's overloaded, see the code).
/**
* Make a request to Facebook's old (pre-graph) API with the given
* parameters. One of the parameter keys must be "method" and its value
* should be a valid REST server API method.
*
* See http://developers.facebook.com/docs/reference/rest/
*
* Note that this method blocks waiting for a network response, so do not
* call it in a UI thread.
*
* Example:
* <code>
* Bundle parameters = new Bundle();
* parameters.putString("method", "auth.expireSession");
* String response = request(parameters);
* </code>
*
* #param parameters
* Key-value pairs of parameters to the request. Refer to the
* documentation: one of the parameters must be "method".
* #throws IOException
* if a network error occurs
* #throws MalformedURLException
* if accessing an invalid endpoint
* #throws IllegalArgumentException
* if one of the parameters is not "method"
* #return JSON string representation of the response
*/
public String request(Bundle parameters)
To those who have problems, in the new facebook(); , the string is you App_id, and just delete the APP_ID in the authorized call.
Don't know why the error message is shown, but I guess that facebook updated the facebook SDK.