I am calculating the screen size in inches as the following:
DisplayMetrics dm = new DisplayMetrics();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
getWindowManager().getDefaultDisplay().getRealMetrics(dm);
} else {
getWindowManager().getDefaultDisplay().getMetrics(dm);
}
double x = Math.pow(dm.widthPixels/dm.xdpi,2);
double y = Math.pow(dm.heightPixels/dm.ydpi,2);
double screenInches = Math.sqrt(x+y);
For Samsung Galaxy S2 (SGH-I727), the display metrics I get is:
DisplayMetrics{density=1.5, width=480, height=800, scaledDensity=1.5,
xdpi=160.42105, ydpi=160.0}
so, the size comes out to be 5.83 inches, which is incorrect and it should
be 4.53 inches.
Is there a better way? Works for few other devices I have. Is SGH-I727
reporting incorrect values?
Thanks.
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