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From "Shazron Abdullah (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CB-93) Only support iOS 4.2 and greater
Date Wed, 14 Mar 2012 14:54:39 GMT

    [ https://issues.apache.org/jira/browse/CB-93?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13229240#comment-13229240
] 

Shazron Abdullah commented on CB-93:
------------------------------------

I just tested the 1.5.0 code, it definitely crashes during runtime for an iOS 3 device right
now because of some iOS 4 code, namely registering for pause/resume lifecycle events that
we didn't guard for, for devices < iOS 4.

The fix is to guard the affected code using this:
{code}
NSString* systemVersion = [[UIDevice currentDevice] systemVersion];
BOOL isLessThaniOS4 = ([systemVersion compare:@"4.0" options:NSNumericSearch] == NSOrderedAscending);
if (!isLessThaniOS4) {
   // do your thing!
}
{code}

But I'm wondering if this is worth it since we are moving away from iOS 3.
                
> Only support iOS 4.2 and greater
> --------------------------------
>
>                 Key: CB-93
>                 URL: https://issues.apache.org/jira/browse/CB-93
>             Project: Apache Callback
>          Issue Type: Task
>          Components: iOS
>            Reporter: Shazron Abdullah
>            Assignee: Shazron Abdullah
>             Fix For: 2.0.0
>
>
> Support iOS 4.2 going forward (in 1.4?) since it offers the most features built-in to
the UIWebView: http://www.mobilexweb.com/blog/safari-ios-accelerometer-websockets-html5
> On the native Objective-C side, supporting iOS 4 will also allow us to use blocks http://pragmaticstudio.com/blog/2010/7/28/ios4-blocks-1
which is a fundamental technology used in all of their framework APIs since iOS 4
> Risk factors:
> * Plugin problems - plugins using blocks in native code cannot be used on iOS 3. This
can be mitigated with support for PhoneGap versions (as well as built in macros for iOS versions)
in pre-processor macros, so this can be conditionally compiled. This can be solved with versioning
in our future proposed plugin packaging
> * Possibly maintaining a iOS 3.x branch at the last iOS 3.x supported PhoneGap version
for bug fixes -- for those that want to still use that version -- don't really want to do
this though
> We stopped iOS 2.x support when iOS 4.x came out (thus, we usually only supported one
version back from the current OS version).
> [iPhone]
> The oldest iPhone to have iOS 4.2 support is the iPhone 3G (released July 2008 - 3+ yrs
old, discontinued). Current iPhone is the 4S, 3 models ahead.
> [iPod Touch]
> The oldest iPod Touch to have iOS 4.2 support is the iPod Touch 2nd Generation (released
Sep 2008 - 3+ yrs old, discontinued). Current iPod Touch is the 4th Gen, 2 models ahead.
> [iPad]
> The oldest iPad to have iOS 4.2 support is the iPad 1 (released April 2010, 1+ yrs old,
reportedly discontinued). Current iPad is the iPad 2, 1 model ahead.
> *Essentially, we would drop device support for these models: original iPhone and iPod
Touch 1st Generation*

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