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Editorial Team
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Asked: 2026-06-03T09:54:20+00:00

So how do I write code to accommodate for this? I don’t want to

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So how do I write code to accommodate for this? I don’t want to leave deprecated API calls in my code, but I also don’t want to lose the users with (slightly) older devices. Is there some sort of compatibility setting I can implement?

Rel. code

Display display = getWindowManager().getDefaultDisplay();
Point size = new Point();
display.getSize(size);
int screen_width = size.x;
int screen_height = size.y;

vs. the older method:

int screen_width = getWindowManager().getDefaultDisplay().getWidth();
int screen_height = getWindowManager().getDefaultDisplay().getHeight();
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1 Answer

  1. Editorial Team

    The best (and by best, I mean the option that would work pretty much every time) option would be to use reflection. Check out the Android Backwards Compatibility Backwards Compatibility guidelines (updated with new location of the article on reflection).

    While tyczj’s answer will work perfectly so long as the deprecated functions are still in the SDK, as soon as they are removed you will have no way of using them or running your app on an older device if you still want to build against the latest SDK.

    Reflection solves this problem by effectively dynamically detecting the function at runtime, which means that even if you build against ICS, so long as the minSdkVersion is correct, you can have your app run on a device with Gingerbread, or Froyo for example.

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