Mail is successfully sending without Asynctask. But I need to show a progress dialog while sending the mail, so I implemented Asynctask to send the mail and while sending show the progress dialog. But after mail is successfully sent, the app gets crashed if I use Asynctask. What's the issue?
I implemented the mail sending feature without Asynctask and it was working well. But I need to show the progress dialog while sending the mail, so implemented Asynctask, but app is crashing after mail is successfully sent. or else please suggest any possible way that will help me to show a progress dialog while sending the mail cause that is my main goal. Any possible solution is most welcome.
WebView webView, webView1, webView2;
WebViewClient webViewClient;
EditText uid, concern, rno;
TextView contact, reel, raise, hostel;
ImageView AIML, BD, CC, IOT, CSE;
AsyncTask mytask;
public Session session;
public String username;
public String password;
public String subject;
public String messageToSend;
public String[] blocks = {"D1 ", "D2 ", "D3 ", "D4 ", "D5 "};
public String[] floors = {"1st floor ", "2nd floor ", "3rd floor ", "4th floor ", "5th floor "};
public String itemblock;
public String itemfloor;
AutoCompleteTextView autoCompleteTextViewblock, autoCompleteTextViewfloor;
ArrayAdapter<String> adapterItems;
public NotesFragment(){
}
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v= inflater.inflate(R.layout.fragment_notes, container, false);
AIML = v.findViewById(R.id.AIML);
BD = v.findViewById(R.id.BD);
CC = v.findViewById(R.id.CC);
IOT = v.findViewById(R.id.IOT);
CSE = v.findViewById(R.id.CSE);
contact = v.findViewById(R.id.contact);
reel = v.findViewById(R.id.reel);
uid = v.findViewById(R.id.uid);
rno = v.findViewById(R.id.roomno);
concern =v.findViewById(R.id.concern);
raise = v.findViewById(R.id.raise);
hostel = v.findViewById(R.id.hostel);
autoCompleteTextViewblock = v.findViewById(R.id.sblock);
autoCompleteTextViewfloor = v.findViewById(R.id.sfloor);
ProgressDialog progressDialog = new ProgressDialog(getActivity());
//selecting block
adapterItems = new ArrayAdapter<String>(getActivity(), R.layout.list_item,blocks);
autoCompleteTextViewblock.setAdapter(adapterItems);
autoCompleteTextViewblock.setOnItemClickListener(new AdapterView.OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
itemblock = adapterView.getItemAtPosition(i).toString();
// Toast.makeText(getActivity(), "Block: "+itemblock, Toast.LENGTH_SHORT).show();
}
});
//
// selecting floors
adapterItems = new ArrayAdapter<String>(getActivity(), R.layout.list_item,floors);
autoCompleteTextViewfloor.setAdapter(adapterItems);
autoCompleteTextViewfloor.setOnItemClickListener(new AdapterView.OnItemClickListener(){
@Override
public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
itemfloor = adapterView.getItemAtPosition(i).toString();
// Toast.makeText(getActivity(), "Floor: "+itemfloor, Toast.LENGTH_SHORT).show();
}
});
//
//open cuims
contact.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
goLink("https://uims.cuchd.in/uims/");
}
});
//hosetel
hostel.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
startActivity(new Intent(getActivity(), hostel.class));
getActivity().finish();
}
});
//issue raiser
raise.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
username = "my email";
password = "my password";
String messageToSendone = itemblock;
String messageToSendtwo = itemfloor;
String messageToSendthree = rno.getText().toString();
String messageToSendfour = concern.getText().toString();
StringBuilder all = new StringBuilder();
all.append(messageToSendone);
all.append(messageToSendtwo);
all.append(messageToSendthree+" is facing issue of: ");
all.append(messageToSendfour);
messageToSend = all.toString();
subject = uid.getText().toString();
if (TextUtils.isEmpty(subject)){
uid.setError("Please enter your registered CU mail ID!");
return;
}
if (TextUtils.isEmpty(messageToSendone)){
autoCompleteTextViewblock.setError("Please select the block no.");
return;
}
if (TextUtils.isEmpty(messageToSendtwo)){
autoCompleteTextViewfloor.setError("Please select the floor!");
return;
}
if (TextUtils.isEmpty(messageToSendthree)){
rno.setError("Please enter your room no.!");
return;
}
if (messageToSendthree.length() < 3) {
rno.setError("Please enter valid room no.!");
return;
}
if (messageToSendthree.length() > 4) {
rno.setError("Please enter valid room no.!");
return;
}
if (TextUtils.isEmpty(messageToSendfour)){
concern.setError("Please enter your issue!");
return;
}
// Properties properties = new Properties();
// properties.put("mail.smtp.auth", "true");
// properties.put("mail.smtp.starttls.enable", "true");
// properties.put("mail.smtp.host", "smtp.gmail.com");
// properties.put("mail.smtp.port", "587");
// properties.put("mail.smtp.socketFactory.port", "587");
// properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
// session = Session.getInstance(properties,
// new javax.mail.Authenticator() {
// @Override
// protected PasswordAuthentication getPasswordAuthentication() {
// return new PasswordAuthentication(username, password);
// }
// });
mytask = new Mytask().execute();
// void startAsynTask(View v){
// Mytask task = new Mytask();
// task.execute();
// }
// progressDialog.setTitle("Processing");
// progressDialog.setMessage("Calm down, your issue is being raised...");
//// progressDialog.show();
//
// try {
//
// Message message = new MimeMessage(session);
// message.setFrom(new InternetAddress(username));
// message.setRecipients(Message.RecipientType.TO,
// InternetAddress.parse("20BCS6515@cuchd.in"));
// message.setSubject(subject);
// message.setText(messageToSend);
// Transport.send(message);
//
//
// Toast.makeText(getActivity(), "Concern Raised Successfully", Toast.LENGTH_LONG).show();
//
// }
// catch (MessagingException e) {
// throw new RuntimeException(e);
// }
//// progressDialog.dismiss();
}
});
// StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
// StrictMode.setThreadPolicy(policy);
//stay nerd card
webView = v.findViewById(R.id.wb);
webView.loadUrl("https://sites.google.com/d/1r16RJHz0_2FwcYyP5V0pnrr_3pombkrA/p/1T5T_7ckEO9cSJK2TnV41PNBJXQlHzp3x/edit");
webView.setBackgroundColor(0);
webView.setWebViewClient(new WebViewClient(){
@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
return false;
}
});
//INTERNET ERROR MSG
webView.setWebViewClient(new WebViewClient() {
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
view.loadUrl("file:///android_asset/nerd.html");
}
});
WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);
webView.getSettings().setPluginState(WebSettings.PluginState.ON);
webView.getSettings().setAllowFileAccess(true);
// webView.setVerticalScrollBarEnabled(false);
// webView.getSettings().setUseWideViewPort(true);
//shottbyparth
webView2 = v.findViewById(R.id.wb2);
webView2.loadUrl("https://sites.google.com/view/shottbyparth");
webView2.setBackgroundColor(0);
//keep in app
webView2.setWebViewClient(new WebViewClient(){
@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
return true;
}
});
//INTERNET ERROR MSG
webView2.setWebViewClient(new WebViewClient() {
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
view.loadUrl("file:///android_asset/partherror.html");
}
});
WebSettings webSettings2 = webView2.getSettings();
webSettings2.setJavaScriptEnabled(true);
webView2.getSettings().setPluginState(WebSettings.PluginState.ON);
webView2.getSettings().setAllowFileAccess(true);
// webView2.setVerticalScrollBarEnabled(false);
// webView2.getSettings().setUseWideViewPort(true);
//magic happens compiler
webView1 = v.findViewById(R.id.wb1);
webView1.loadUrl("https://www.tutorialspoint.com/online_cpp_compiler.php");
webView1.setBackgroundColor(0);
//keep in app
webView1.setWebViewClient(new WebViewClient(){
@Override
public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
return false;
}
});
//back button
webView1.setOnKeyListener(new View.OnKeyListener() {
@Override
public boolean onKey(View view, int keyCode, KeyEvent keyEvent) {
if(keyEvent.getAction() == keyEvent.ACTION_DOWN){
if(keyCode == KeyEvent.KEYCODE_BACK){
if(webView1 != null){
if(webView1.canGoBack()){
webView1.goBack();
}else {
getActivity().onBackPressed();
}
}
}
}
return true;
}
});
webView1.setWebViewClient(new WebViewClient() {
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
view.loadUrl("file:///android_asset/compiler.html");
}
});
//hiding web element with error message
webView1.setWebChromeClient(new WebChromeClient(){
@Override
public void onProgressChanged(WebView view, int newProgress) {
view.loadUrl("javascript:(function() { " +
"document.getElementById('north').style.display='none';})()");
}
});
WebSettings webSettings1 = webView1.getSettings();
webSettings1.setJavaScriptEnabled(true);
webView1.setVerticalScrollBarEnabled(true);
webView1.setHorizontalScrollBarEnabled(true);
webView1.setScrollbarFadingEnabled(false);
webView1.setScrollBarStyle(WebView.SCROLLBARS_OUTSIDE_OVERLAY);
// webView1.requestFocus();
//reel
reel.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
goLink("https://sites.google.com/view/shottbyparth");
}
});
//notes
AIML.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
goLink("https://drive.google.com/drive/folders/1bolCGvvV9dKUFH8Uooe3DQGsP4gL1Vwu?usp=share_link");
}
});
BD.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(getActivity(), "Content coming soon...", Toast.LENGTH_SHORT).show();
}
});
CC.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(getActivity(), "Content coming soon...", Toast.LENGTH_SHORT).show();
}
});
IOT.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(getActivity(), "Content coming soon...", Toast.LENGTH_SHORT).show();
}
});
CSE.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Toast.makeText(getActivity(), "Content coming soon...", Toast.LENGTH_SHORT).show();
}
});
contact.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
goLink("https://uims.cuchd.in/uims/");
}
});
return v;
}
//asynctask class
public class Mytask extends AsyncTask<Void, Void, Void>
{
ProgressDialog dialogue;
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
dialogue = new ProgressDialog(getActivity());
dialogue.setTitle("Processing");
dialogue.setMessage("Calm down, your issue is being raised...");
dialogue.setIndeterminate(true);
dialogue.setCancelable(false);
dialogue.show();
}
@Override
protected Void doInBackground(Void... params) {
Properties properties = new Properties();
properties.put("mail.smtp.auth", "true");
properties.put("mail.smtp.starttls.enable", "true");
properties.put("mail.smtp.host", "smtp.gmail.com");
properties.put("mail.smtp.port", "587");
properties.put("mail.smtp.socketFactory.port", "587");
properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
session = Session.getInstance(properties,
new javax.mail.Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
try {
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress(username));
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse("20BCS6515@cuchd.in"));
message.setSubject(subject);
message.setText(messageToSend);
Transport.send(message);
Toast.makeText(getActivity(), "Concern Raised Successfully", Toast.LENGTH_LONG).show();
}
catch (MessagingException e) {
throw new RuntimeException(e);
}
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
return null;
}
@Override
protected void onPostExecute(Void result) {
if(dialogue.isShowing()){
dialogue.dismiss();}
// Toast.makeText(getActivity(), "Concern Raised Successfully", Toast.LENGTH_LONG).show();
// startActivity(new Intent(getActivity(), NotesFragment.class));
}
}
private void goLink(String s) {
Uri uri = Uri.parse(s);
startActivity(new Intent(Intent.ACTION_VIEW, uri));
}
}```
I implemented the mail sending feature without Asynctask and it was working well. But I need to show the progress dialog while sending the mail, so implemented Asynctask, but app is crashing after mail is successfully sent. or else please suggest any possible way that will help me to show a progress dialog while sending the mail cause that is my main goal. Any possible solution is most welcome.
