Detect iPhone 4 devices

I have improved all the graphics in my apps but I want to be able to detect wether the user has an iPhone 4 or not. The higher quality tab bar icons don't look so good on older devices. I'd like to just detect the higher res display.

I thought about using this:

Titanium.Platform.displayCaps.dpi

In the simulator, the iPhone 4 returns 160 so I know it's not working there. Any ideas of how to detect an iPhone 4?

4 Answers

Accepted Answer

Andrew,

That doesn't work. I tried to do the same thing for one of my apps, but when you use Titanium.Platform.model it doesn't come back as iPhone 4 when on a iPhone 4, it just says iPhone for me.
— answered July 1st 2010 by donovan lewis
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1 Comment
- I guess, until I can come up with a good way to identify iPhone 4's, the tab icons are going to suffer on older devices.
  
  — commented July 1st 2010 by Andrew Flocchini
1 Vote
by "in the simulator the iphone returns 160" you mean even after choosing the iphone4 in the simulator menue under hardware/devices?

what about the screen-dimension: do you get the real pixels for width and height? if so using Titanium.Platform.osname combined with a screensize of 960px (i guess) would mean your app is running on the iphone4
— answered July 1st 2010 by Christian Sigl
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1 Comment
- In the simulator, the iPhone4 and the regular iPhone devices both report a 160 dpi, a low display density, 320 width & 480 height. I don't have a real iPhone4 to test this out on so I have to rely on the simulator.
  
  — commented July 1st 2010 by Andrew Flocchini
0 Votes
You can find an example here http://github.com/appcelerator/titanium_mobile/blob/master/demos/KitchenSink/Resources/examples/version.js
— answered July 1st 2010 by David Ashwood
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4 Comments
- Since different iPhone's and iPods can run 4.0, I don't think this will help. I need to detect an iPhone4 so I can tell it to use higher res images in the tab bar.
  
  — commented July 1st 2010 by Andrew Flocchini
- That should be up to Ti to detect.
  With the right suffix to the image files (@2 iirc) - it'll use either the highres image or the low-res image. You just include both files as a resource.
  
  — commented July 1st 2010 by David Ashwood
- You can see a specific example with this commit http://github.com/appcelerator/titanium_mobile/commit/2e3fc870812b8a9623c6840dc01572ad6c038e1b
  
  — commented July 1st 2010 by David Ashwood
- On my iPod 2G with 4.0, it shows the 2x icons. They're downscaled and look bad. On devices that aren't iPhone4's I need to show my original icons. Here's the code.
```
function isiOS4Plus()
{
    // add iphone specific tests
    if (Titanium.Platform.name == 'iPhone OS')
    {
        var version = Titanium.Platform.version.split(".");
        var major = parseInt(version[0]);

        // can only test this support on a 3.2+ device
        if (major >= 4)
        {
            return true;
        }
    }
    return false;
};
    if (isiOS4Plus())
    {    
    var tab2 = Titanium.UI.createTab({  
        icon:'calc_icon@2x.png',
        title:'Fog',
        window:win2
    })
    } else {
    var tab2 = Titanium.UI.createTab({  
        icon:'calc_icon.png',
        title:'Fog',
        window:win2
    })
    };
```
  I'd like to try the command:
```
Titanium.Platform.model
```
  But I don't have a physical iPhone4 to see what is returned.
  
  — commented July 1st 2010 by Andrew Flocchini
0 Votes

This what I found to work for me. I don't have an iPhone 4 to test it 100%.

    if (Titanium.Platform.model=='iPhone 4' || Titanium.Platform.model=='Simulator')
    {    
    var tab2 = Titanium.UI.createTab({  
        icon:'calc_icon@2x.png',
        title:'Fog',
        window:win2
    })
    } else {
    var tab2 = Titanium.UI.createTab({  
        icon:'calc_icon.png',
        title:'Fog',
        window:win2
    })
    };

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Detect iPhone 4 devices

4 Answers

Accepted Answer