Fixed #479 conformation added on logout

Author: Ramkishorevit

app/src/main/java/com/zulip/android/activities/ZulipActivity.java

@@ -2393,7 +2393,20 @@ public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                 datePickerDialog.show();
                 break;
             case R.id.logout:
-                logout();
+                AlertDialog.Builder alertDialog = new AlertDialog.Builder(this);
+                alertDialog.setTitle(getString(R.string.logout));
+                alertDialog.setMessage(getString(R.string.logout_title));
+                alertDialog.setPositiveButton(getString(android.R.string.yes), new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                    logout();
+                    }
+                });
+                alertDialog.setNegativeButton(getString(android.R.string.no), new DialogInterface.OnClickListener() {
+                    public void onClick(DialogInterface dialog, int which) {
+                    dialog.cancel();
+                    }
+                });
+                alertDialog.show();
                 break;
             case R.id.terms:
                 openUrl(Constants.END_POINT_TERMS_OF_SERVICE);

app/src/main/res/values/strings.xml

@@ -171,7 +171,7 @@
     <string name="cancel">Cancel</string>
     <string name="no_message_to_display">Sorry, no messages to display!</string>
     <string name="crop">CROP</string>
-
+    <string name="logout_title">Are you sure you want to logout?</string>
     <!--Placeholder strings-->
     <string name="placeholder_my_stream">MyStream</string>
     <string name="placeholder_short_stream">Short Stream</string>