Android: How to convert from dp to px? (example)

From dp to pixel:

 

private static int fromDp2Px(int dp, Context context) {

final Resources res = context.getResources();

float px = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, res.getDisplayMetrics());

return (int) px;

}

 

or

 

private static int fromDp2Px(int dp, Context context) {

final Resources res = context.getResources();

DisplayMetrics metrics = res.getDisplayMetrics();

float px = dp * (metrics.densityDpi / 160f);

return (int) px;

}

 

 

 

 

From pixel to dp:

 

private static int fromPx2Dp(int px, Context context) {

final Resources res = context.getResources();

DisplayMetrics metrics = res.getDisplayMetrics();

float dp = px / (metrics.densityDpi / 160f);

return (int) dp;

}