Native App development is here to stay

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Native Vs Web App

With the Jonnathan Dan’s article , I sense a strong case for the survival of native development.

Earlier when I on discussions with my friends who work in web development , who lead mobile projects and with people on technical forums, most of them were in one voice told that Native Mobile development will die with some shrilling Hybrid approach is best of both the worlds.

I then felt that native mobile development will in future become suitable for a niche market like Games, apps where audio , graphic rendering and where too much dependence with hardware APIs present.  Other apps whose goal is to present the data alone for the users can be managed with a Hybrid app and when the app’s brand is established and when we do not have a dependency with Hardware or you get hardware access with HTML5, hybrid approach can also be killed. But reading in to his article gives me a new insight. That is,

Mobile has less space and those who use it are mostly they are busy doing something else either in travel or when they are in break, rushing in to station, chatting with their  girl friend or boy friend and expects  things engage quickly. They do not want to see much of their screen being occupied with loading text  , spinner or  which  behaves clumsily not being coped to our instincts.And as for my experience I have experienced all this with Mobile Web Apps even with 3G (India) connectivity.

Any developer or a brand who wanted to keep their customer loyalty needs to offer their app with the constraint so tough to meet: Not wasting the users’ time.

HTML5 in mobile with Hybrid development or standalone app has not consistently achieved this. And Native has achieved this. But at a bigger cost and a necessity manage lot of developers and lot of code.

So until HTML5 is at its blazing speed, Native is going to stay.


Integrating DiffMerge with svnX

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After mentioning the DiffMerge as the  Diff Application in svnX preferences, I was receiving the below error message each time I tried to use the DiffMerge from SVNx.

The DiffMerge application was not able to be opened due to the non availability of file in the /usr/local/bin directory.

Copy the file from the’s  Resource folder  in to the bin by the following command:

cp /Applications/ /usr/local/bin/

If this throws you Permission Denied error,  run the command using sudo command.

Once the copy is done , the svnX application will be able to open DiffMerge app.

Connecting to VPN from Mac OSX

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Connecting to VPN from Mac is not straightforward as it is in Windows. The below tutorial will help us in configuring the VPN in mac using System preferences.

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This will certainly create a lot of opportunities in Healthcare around iOS ecosystem

Bluetooth Smart

Big news from Texas Instruments, they’ve just released a video demonstrating the keyfob included in the CC2540DK-MINI dev kit communicating with the Iphone 4S using the GATT interface through the new Core Bluetooth API.

This is a particularly big deal because it shows the CC2540 interacting with the iPhone 4S using the stock 2540 mini dev kit without an authentication chip.

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Tablets might make inroads in to Construction and it seems any where there is a field work.

iOS and Bluetooth Communication

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Communication to Bluetooth devices was possible with External Accessory Framework by registering in MFI program. But this case was until iOS 5 came with which came the CoreBluetooth Framework. But what is the difference between them?

External Accessory Framework:

1.  To use this framework we need to be registered in MFI Program and should have made our bluetooth enabled device MFI compliant. To register here as such we need not pay for Apple. But there are costs involved in getting a certificate from third parties that your hardware does not interface with iOS device.

2. It is available for  all iOS based devices that run in iOS 3.0 and above.

CoreBluetooth Framework:

1. There is no entry cost, no registration needed.

2. It is used only for devices that are compatible with Bluetooth Low Energy.  (Bluetooth Low Energy is a feature of Bluetooth 4.0  which is claimed to be consuming far less power than that of classis Bluetooth devices)

3. iPhone 4S  is the only supported iOS device that is BLE enabled, so Core Bluetooth Framework based app can at this point in time be supported only in that device.

4.  It is supported only from iOS 5.0.

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Got Problems with Archiving and unarchiving UIImage or UIImageView?

Mobile App Development

Note: The below implementation is valid only if you support versions below iOS 5.0. For iOS 5.0 this problem is fixed by Apple.

If you are planning to archive and unarchive the UImage or UIIMageView , do not forget to implement the initWithCoder and encodeWithCoder methods of UIImage.

If you fail to do so, your app will crash with the error: -[UIImage encodeWithCoder:] unrecognised selector sent to instance.

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