format Float by position - Android java.lang

Android examples for java.lang:Float

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Description

format Float by position

Demo Code

import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.style.ForegroundColorSpan;
import java.text.DecimalFormat;

public class Main{

    public static String formatFloat(float f, int pos) {
        float p = 1f;
        StringBuilder format = new StringBuilder("#0");
        for (int i = 0; i < pos; i++) {
            if (i == 0) {
                format.append('.');
            }/*from   w w  w .  jav a  2 s  .c  om*/
            p *= 10f;
            format.append('0');
        }
        f = Math.round(f * p) / p;
        DecimalFormat formatter = new DecimalFormat(format.toString());
        return formatter.format(f);
    }

}

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