data-sharing

im new to IOS and Objective-C and the whole MVC paradigm and i'm stuck with the following. I am working on (replica) Contact app, also available in iphone as build in app. i want to pass data through another view controller and the data is pass (null) :(. My Question is, How do I transfer the data from one view to another? As most the answers you got, passing data between one controller and another just means to assign a variable from one controller to the other one. If you have one controller to list your contacts and another one to show a contact details and the flow is starting from the

This question already has an answer here: Sharing data in between apps in IOS 1 answer I've been doing research on how to share data between applications securely. I'd like to get some info on the correct way to handle this before I do a deep dive on implementation using the wrong method. Just cause you can do something does not necessarily mean you should. User Case : I am working on a suite of language learning apps that have a shared audio file base of several hundred audio files and json files containing important data corresponding to a language. I'd prefer to allow the user to not have

I want to commit the data in a container's shared volume to an image. I cannot seem to do it? I kind of get the impression this perhaps is not possible in Docker but that seems totally at odds with the whole philosophy of not leaving data on the host so part of me thinks there must be a way to do this. 1. Terminal 1 Start up a container in Terminal 1 with a volume. $ docker run -it -v /data ubuntu:14.10 /bin/bash root@19fead4f6a68:/# echo "Hello Docker Volumes." > /data/foo.txt 2. Terminal 2 Start up a second container in Terminal 2 the file from container 1 is there so docker volumes are all

Summary : I have a form in view( first ) of my angular application and on success response from the ajax call on submit it redirects the user to the view( second ). There is only one controller for the application( for all view ). Here, user can enter the fields in the form from the view( first ) which should get displayed on the view( second ) & again there is a form in the view( second ) where user can enter the fields in the form which should get displayed on the view( third ). As all the views( first,second,third ) sharing the same controller function.I created one service to set & get the

Ive asked a similar question before and didn't get an answer and seems many other ppl are searching for an answer. So I am posting this question to hopefully get a clear answer that everyone can benefit from. I have an activity with 2 fragments in it. I want fragment2 to set a boolean variable in Activity when a checkbox is checked so that fragment1 can know if the checkbox was checked. This is my Code: Activity: public class modestab extends Activity{ public static Context appContext; public boolean lf=false; public void onCreate(Bundle savedInstanceState){ appContext=this; super.onCreate