I want to store the offline messages, in Chatting Application for Chat history, with text, image, Video thumb with Video url link and location (lat,long) values.
How to store in offline and maintain DataBase?
There are several options for offline storage in iOS
SQLite
CoreData
NSCoding
For this particular task, I believe CoreData will do a better job. It is secure.
You can start with CoreData with the following tutorial. I suggest you to watch the following video for best practices in core data.
Related
I'm developing iOS app which is using CloudKit. I'm pretty clear how to download/upload data from cloud when requested on the device. It works just fine when internet connection is present. I'm thinking to allow users to access their data offline also. After brief research I discovered that CoreData integration with iCloud was depreciated as of recent Xcode release. I found some third party pods on github which let you handle this problem by syncing core data from device to iCloud. I'm a bit skeptical using those plugins due to possible data loss or other issues. Is the idea behind depreciating CloudKit to move away from offline storage? Im thinking now what to do... should I attempt to create some sort of sync between core data and iCloud or not use core data at all and just let users to access data only when online connection available. Such approach would save device storage but restrict data access to online only. Any recommendations ?
CoreData integration with iCloud is not depreciated, here are some references from Apple:
Setting up core data with CloudKit
Syncing a core data store with CloudKit
Mirroring a core data store with CloudKit
WWDC 2019 - Using Core Data With CloudKit
I am trying to make an app where it tracks the usage of other apps. I already know that this is impossible to do by directly getting usage data from apps that do not belong to you. I am wondering if there is any way to access the battery page in the settings app by using the code in swift.
All I want is to be able to read the data for hours used and use that data in my app. I know this is probably a stretch, but is there any possible way of doing this?
There is no API to read this data directly.
There is an app on the App Store which has a hacky workaround. It requires users to take a screenshot of the battery usage settings page. The app grabs this photo from the user's photo library and uploads it to their servers where it is processed (using image analysis and OCR). They use this information to estimate how much each app is used.
I'm developing an iOS application which allows the user to take photos, record videos and take notes and show them in timeline view. I don't wanna use any backend or database support.
I've to implement this using Google Drive, Dropbox and other storage providers.
Can you suggest me logic for maintaining the data and relationship between them. Also I need suggestion grouping the images based on location, I'm really confused because am a fresher to development.
Thanks.
I created a simple Notes app based on Core data. Now i want add sync between user devices.
And all articles that i read (this, this) said that i should fully get rid of my core data database, and all my code will lost and rework all with ICloud kit?
The is no way to sync data from Core Data to ICloud ? And if i get rid of core data, how my app will work offline ?
And please suggest good simple projects with ICloud sync
P.S. I googled about an hour. Icloud is deprecated so do sync with it is not recommended. I confused. How now i can sync data between devices??
Core Data used to have iCloud syncing, but it has been deprecated as of iOS 10. It had several problems, sometimes major.
Apple now has something called CloudKit, which is not the same thing. You can use CloudKit to sync data between devices. But this does not mean that you should drop Core Data. CloudKit only syncs; it is not a replacement for having your app save data on the device, it's only a way to send data to other devices. If you're using CloudKit, you also need to use some other way to store data on the local device.
Also, it's "CloudKit". Not "ICloud Kit". I don't know why, but it's important to get the names right.
I have an app that allows a user to either take photo or point to a photo on from their camera roll. This record must be peristed locally. A record consists of text and an image. Savings this data on a single device seems simple, as I can persist the link to the image or store the image locally in the file system if taken via camera.
Problem is how to share this record via iCloud to make record available to all instances of the app on multiple devices. I.e iPhone creates a record with an image, which is then available to view on iPad or Apple TV.
Is it efficient to store a UIImage in a Core Data record and make this available via iCloud? Many people saying not for local storage
My concern is this could potentially be some large quantities of data?
Does anyone have any thoughts on how to solve this issue?
I´m working on a similar app, for me working with http://Parse.com is a solution.
If your user have an internet connection and can wait to upload the images/text files you can save it directly using Parse (with a fancy progress Bar!) But if you want to make it network-less proof, you might work as whatsapp. I mean using Core Data to save your files locally, then try to upload the imagens whenever there is internet available.
There are some others clouds DB you can use, but I´m familiar with this one.
You can upload to iCloud using NSFileManager.
There is a complete walkthrough on how to do that.