Phone Metric 얻기

phone의 pixel size, phone inch 알아내기

public class PhoneMetrics {
public PhoneMetrics(Activity activity) {

/*
** determine screen sizes and set related parameters
*/
DisplayMetrics metrics = new DisplayMetrics();
activity.getWindowManager().getDefaultDisplay().getRealMetrics(metrics);
screenX = metrics.widthPixels;
screenY = metrics.heightPixels;

// Calculate the physical screen size in inches.
fPhoneInchX = screenX / metrics.xdpi; // 2.9 x 6.22 for note 20
fPhoneInchY = screenY / metrics.ydpi;
// Log.w("DPI info ", metrics.xdpi/metrics.ydpi+" x ="+metrics.xdpi+" y="+metrics.ydpi);
}
}