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Present speed only with one fractional digit.

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This commit is contained in:
Dennis Guse
2020-09-05 17:00:21 +02:00
parent a1646e1b76
commit e956cf14c4
2 changed files with 9 additions and 10 deletions
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src/main/java/de/dennisguse/opentracks/util/StringUtils.java
+6 -7
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@@ -22,6 +22,7 @@ import android.text.format.DateUtils;
import android.util.Log;
import android.util.Pair;
import java.math.RoundingMode;
import java.text.DecimalFormat;
import java.time.Instant;
import java.time.LocalDateTime;
@@ -125,12 +126,10 @@ public class StringUtils {
* Format a decimal number while removing trailing zeros of the decimal part (if present).
*/
public static String formatDecimal(double value, int decimalPlaces) {
if (decimalPlaces < 1) {
return Long.toString(Math.round(value));
}
String format = "#." + new String(new char[decimalPlaces]).replace("\0", "#");
return new DecimalFormat(format).format(value);
DecimalFormat df = new DecimalFormat();
df.setMaximumFractionDigits(decimalPlaces);
df.setRoundingMode(RoundingMode.HALF_EVEN);
return df.format(value);
}
/**
@@ -204,7 +203,7 @@ public class StringUtils {
}
if (reportSpeed) {
return new Pair<>(StringUtils.formatDecimal(speed * UnitConversions.S_TO_HR), unitString);
return new Pair<>(StringUtils.formatDecimal(speed * UnitConversions.S_TO_HR, 1), unitString);
}
int pace = speed == 0 ? 0 : (int) Math.round(1 / speed); //sec / [KM | MI]