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Add Mobile Screen Density as an OOTB Adobe Analytics dimension for mobile

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James-Arnoldi
Level 2

4/3/23

Description -

Why is this feature important to you -  Knowing the density of a mobile device (DPI, Dots per Inch) is helpful for mobile developers to understand the requirements of the app users.

How would you like the feature to work -  An additional mobile dimension named something like "Mobile Screen Density" would capture the dpi of the device a visitor uses. 

Current Behaviour -  This is not an ootb dimension

1 Comment

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Hemang35
Community Advisor

4/6/23

Adobe Analytics does not currently have an out-of-the-box (OOTB) dimension for mobile screen density (DPI). However, you can still capture this information by implementing a custom dimension, such as an eVar or a prop, and setting it with the device's DPI value using custom JavaScript code.

Here's an example of how you can implement this:

  1. Create a custom dimension: In Adobe Analytics, create a new custom dimension, such as an eVar or a prop, to store the mobile screen density value. Make a note of the eVar or prop number you create (e.g., eVarX or propX).

  2. Capture screen density using Javascript: You can use JavaScript to calculate the device's screen density (DPI) with the following code:

    function getDeviceDPI() {
    return window.devicePixelRatio * 96;
    }

  3. Set the custom dimension value: In your Adobe Analytics AppMeasurement.js file or in the Adobe Launch interface, set the custom dimension (eVar or prop) to the value obtained from the JavaScript function:

    s.eVarX = getDeviceDPI(); // Replace "eVarX" with your actual eVar number
    // OR
    s.propX = getDeviceDPI(); // Replace "propX" with your actual prop number


  4. Track the custom dimension: Ensure that your tracking calls include the custom dimension so that it gets captured in Adobe Analytics.
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