Cleanup: Use Pair instead of String[2].

This commit is contained in:
Dennis Guse
2019-09-10 20:07:39 +02:00
parent df2865456e
commit 6bfd8c8db8
3 changed files with 43 additions and 62 deletions
@@ -17,6 +17,7 @@
package de.dennisguse.opentracks.content;
import android.content.Context;
import android.util.Pair;
import androidx.annotation.VisibleForTesting;
@@ -95,8 +96,7 @@ public class DescriptionGeneratorImpl implements DescriptionGenerator {
StringBuilder builder = new StringBuilder();
// Total distance
writeDistance(
stats.getTotalDistance(), builder, R.string.description_total_distance, lineBreak);
writeDistance(stats.getTotalDistance(), builder, R.string.description_total_distance, lineBreak);
// Total time
writeTime(stats.getTotalTime(), builder, R.string.description_total_time, lineBreak);
@@ -108,8 +108,7 @@ public class DescriptionGeneratorImpl implements DescriptionGenerator {
writeSpeed(stats.getAverageSpeed(), builder, R.string.description_average_speed, lineBreak);
// Average moving speed
writeSpeed(stats.getAverageMovingSpeed(), builder, R.string.description_average_moving_speed,
lineBreak);
writeSpeed(stats.getAverageMovingSpeed(), builder, R.string.description_average_moving_speed, lineBreak);
// Max speed
writeSpeed(stats.getMaxSpeed(), builder, R.string.description_max_speed, lineBreak);
@@ -118,8 +117,7 @@ public class DescriptionGeneratorImpl implements DescriptionGenerator {
writePace(stats.getAverageSpeed(), builder, R.string.description_average_pace_in_minute, lineBreak);
// Average moving pace
writePace(stats.getAverageMovingSpeed(), builder,
R.string.description_average_moving_pace_in_minute, lineBreak);
writePace(stats.getAverageMovingSpeed(), builder, R.string.description_average_moving_pace_in_minute, lineBreak);
// Fastest pace
writePace(stats.getMaxSpeed(), builder, R.string.description_fastest_pace_in_minute, lineBreak);
@@ -187,8 +185,7 @@ public class DescriptionGeneratorImpl implements DescriptionGenerator {
* @param lineBreak line break string
*/
@VisibleForTesting
void writeSpeed(
double speed, StringBuilder builder, int resId, String lineBreak) {
void writeSpeed(double speed, StringBuilder builder, int resId, String lineBreak) {
double speedInKmHr = speed * UnitConversions.MS_TO_KMH;
double speedInMiHr = speedInKmHr * UnitConversions.KM_TO_MI;
builder.append(context.getString(resId, speedInKmHr, speedInMiHr));
@@ -205,18 +202,13 @@ public class DescriptionGeneratorImpl implements DescriptionGenerator {
*/
@VisibleForTesting
void writePace(double speed, StringBuilder builder, int resId, String lineBreak) {
String[] paceInMetrics = StringUtils.getSpeedParts(context, speed, true, false);
String[] paceInImperial = StringUtils.getSpeedParts(context, speed, false, false);
Pair<String, String> paceInMetrics = StringUtils.getSpeedParts(context, speed, true, false);
Pair<String, String> paceInImperial = StringUtils.getSpeedParts(context, speed, false, false);
if (paceInMetrics[0] == null) {
paceInMetrics[0] = context.getString(R.string.value_unknown);
}
String formattedPaceMetrics = paceInMetrics.first != null ? paceInMetrics.first : context.getString(R.string.value_unknown);
String formattedPaceImperial = paceInImperial.first != null ? paceInImperial.first : context.getString(R.string.value_unknown);
if (paceInImperial[0] == null) {
paceInImperial[0] = context.getString(R.string.value_unknown);
}
builder.append(context.getString(resId, paceInMetrics[0], paceInImperial[0]));
builder.append(context.getString(resId, formattedPaceMetrics, formattedPaceImperial));
builder.append(lineBreak);
}
@@ -229,8 +221,7 @@ public class DescriptionGeneratorImpl implements DescriptionGenerator {
* @param lineBreak line break string
*/
@VisibleForTesting
void writeElevation(
double elevation, StringBuilder builder, int resId, String lineBreak) {
void writeElevation(double elevation, StringBuilder builder, int resId, String lineBreak) {
long elevationInM = Math.round(elevation);
long elevationInFt = Math.round(elevation * UnitConversions.M_TO_FT);
builder.append(context.getString(resId, elevationInM, elevationInFt));
@@ -247,8 +238,7 @@ public class DescriptionGeneratorImpl implements DescriptionGenerator {
*/
@VisibleForTesting
void writeGrade(double grade, StringBuilder builder, int resId, String lineBreak) {
long gradeInPercent = Double.isNaN(grade) || Double.isInfinite(grade) ? 0L
: Math.round(grade * 100);
long gradeInPercent = Double.isNaN(grade) || Double.isInfinite(grade) ? 0L : Math.round(grade * 100);
builder.append(context.getString(resId, gradeInPercent));
builder.append(lineBreak);
}
@@ -19,6 +19,7 @@ package de.dennisguse.opentracks.util;
import android.app.Activity;
import android.content.Context;
import android.location.Location;
import android.util.Pair;
import android.view.View;
import android.widget.Spinner;
import android.widget.TextView;
@@ -191,8 +192,8 @@ public class StatsUtils {
* @param reportSpeed true if report speed
*/
private static void setSpeed(Context context, View view, int speedLabelId, int paceLabelId, double speed, boolean metricUnits, boolean reportSpeed) {
String[] parts = StringUtils.getSpeedParts(context, speed, metricUnits, reportSpeed);
setItem(context, view, reportSpeed ? speedLabelId : paceLabelId, parts[0], parts[1]);
Pair<String, String> parts = StringUtils.getSpeedParts(context, speed, metricUnits, reportSpeed);
setItem(context, view, reportSpeed ? speedLabelId : paceLabelId, parts.first, parts.second);
}
/**
@@ -204,8 +205,8 @@ public class StatsUtils {
* @param metricUnits true if metric units
*/
private static void setDistanceValue(Context context, View view, double distance, boolean metricUnits) {
String[] parts = StringUtils.getDistanceParts(context, distance, metricUnits);
setItem(context, view, R.string.stats_distance, parts[0], parts[1]);
Pair<String, String> parts = StringUtils.getDistanceParts(context, distance, metricUnits);
setItem(context, view, R.string.stats_distance, parts.first, parts.second);
}
/**
@@ -19,6 +19,7 @@ import android.content.Context;
import android.location.Location;
import android.text.TextUtils;
import android.text.format.DateUtils;
import android.util.Pair;
import java.text.ParsePosition;
import java.text.SimpleDateFormat;
@@ -142,22 +143,16 @@ public class StringUtils {
}
/**
* Gets the distance in an array of two strings.
* The first string is the distance.
* The second string is the unit.
* The first string is null if the distance is invalid.
* Get the formatted distance with unit.
*
* @param context the context
* @param distance the distance
* @param metricUnits true to use metric unit
* @return the formatted distance (or null) and it's unit as {@link Pair}
*/
//TODO Return Pair<Distance, Unit>
public static String[] getDistanceParts(Context context, double distance, boolean metricUnits) {
String[] result = new String[2];
static Pair<String, String> getDistanceParts(Context context, double distance, boolean metricUnits) {
if (Double.isNaN(distance) || Double.isInfinite(distance)) {
result[0] = null;
result[1] = context.getString(metricUnits ? R.string.unit_meter : R.string.unit_feet);
return result;
return new Pair<>(null, context.getString(metricUnits ? R.string.unit_meter : R.string.unit_feet));
}
int unitId;
@@ -177,50 +172,45 @@ public class StringUtils {
unitId = R.string.unit_feet;
}
}
result[0] = formatDecimal(distance);
result[1] = context.getString(unitId);
return result;
return new Pair<>(formatDecimal(distance), context.getString(unitId));
}
/**
* Gets the speed in an array of two strings.
* The first string is the speed.
* The second string is the unit.
* The first string is null if speed is invalid.
* Gets the formatted speed with unit.
*
* @param context the context
* @param speed the speed
* @param speed_mps the speed
* @param metricUnits true to use metric unit
* @param reportSpeed true to report speed
* @param reportSpeed true to report speed; false for pace
* @return the formatted speed (or null) and it's unit as {@link Pair}
*/
//TODO Return Pair<Distance, Unit>
public static String[] getSpeedParts(Context context, double speed, boolean metricUnits, boolean reportSpeed) {
String[] result = new String[2];
public static Pair<String, String> getSpeedParts(Context context, double speed_mps, boolean metricUnits, boolean reportSpeed) {
int unitId;
if (metricUnits) {
unitId = reportSpeed ? R.string.unit_kilometer_per_hour : R.string.unit_minute_per_kilometer;
} else {
unitId = reportSpeed ? R.string.unit_mile_per_hour : R.string.unit_minute_per_mile;
}
result[1] = context.getString(unitId);
if (Double.isNaN(speed) || Double.isInfinite(speed)) {
result[0] = null;
return result;
String unitString = context.getString(unitId);
if (Double.isNaN(speed_mps) || Double.isInfinite(speed_mps)) {
return new Pair<>(null, unitString);
}
speed *= UnitConversions.MS_TO_KMH;
speed_mps *= UnitConversions.MS_TO_KMH;
if (!metricUnits) {
speed *= UnitConversions.KM_TO_MI;
speed_mps *= UnitConversions.KM_TO_MI;
}
if (reportSpeed) {
result[0] = StringUtils.formatDecimal(speed);
} else {
// convert from hours to minutes
double pace = speed == 0 ? 0.0 : 60.0 / speed;
int minutes = (int) pace;
int seconds = (int) Math.round((pace - minutes) * 60.0);
result[0] = String.format(Locale.US, "%d:%02d", minutes, seconds);
return new Pair<>(StringUtils.formatDecimal(speed_mps), unitString);
}
return result;
// convert from hours to minutes
double pace = speed_mps == 0 ? 0.0 : 60.0 / speed_mps;
int minutes = (int) pace;
int seconds = (int) Math.round((pace - minutes) * 60.0);
return new Pair<>(String.format(Locale.US, "%d:%02d", minutes, seconds), unitString);
}
/**