Xamarin.iOS
CoreGraphics.CGSize cGSize = new CoreGraphics.CGSize(1000, 1000);
public double getDisplayLength(string str) {
var s = new NSAttributedString(str);
var size = s.GetBoundingRect(cGSize, NSStringDrawingOptions.UsesLineFragmentOrigin, null);
return size.Width;
}
Xamarin.Android
Paint paint = new Paint();
public double getDisplayLength(string str) {
float[] widths = new float[str.Length];
paint.GetTextWidths(str, widths);
float sum = 0;
widths.ForEachWithIndex((o, index) => {
sum += o;
});
return sum;
}
其中ForEachWithIndex是我自己寫的一個(gè)擴(kuò)展方法阶祭，方便遍歷數(shù)組；
public static void ForEachWithIndex<T>(this T[] array, Action<T, int> action) {
for (int i = 0; i < array.Length; i++) {
action(array[i], i);
}
}
