Add Average Settings. Addformat method to get average.

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/AbstractWeekChartFragment.java

@@ -48,6 +48,7 @@ import java.util.Calendar;
 import java.util.List;
 import java.util.Locale;
 
+import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.R;
 import nodomain.freeyourgadget.gadgetbridge.database.DBHandler;
 import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
@@ -135,7 +136,7 @@ public abstract class AbstractWeekChartFragment extends AbstractChartFragment {
             average = Math.abs(balance / TOTAL_DAYS);
         }
         LimitLine average_line = new LimitLine(average);
-        average_line.setLabel(getString(R.string.average, average));
+        average_line.setLabel(getString(R.string.average, getAverage(average)));
 
         if (average > (mTargetValue)) {
             average_line.setLineColor(Color.GREEN);
@@ -146,9 +147,10 @@ public abstract class AbstractWeekChartFragment extends AbstractChartFragment {
             average_line.setTextColor(Color.RED);
         }
         if (average > 0) {
+            if (GBApplication.getPrefs().getBoolean("charts_show_average", true)) {
                 barChart.getAxisLeft().addLimitLine(average_line);
             }
-
+        }
 
             return new WeekChartsData(barData, new PreformattedXIndexLabelFormatter(labels), getBalanceMessage(balance, mTargetValue));
     }
@@ -335,6 +337,8 @@ public abstract class AbstractWeekChartFragment extends AbstractChartFragment {
         return amounts;
     }
 
+    abstract String getAverage(float value);
+
     abstract int getGoal();
 
     abstract int getOffsetHours();

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/WeekSleepChartFragment.java

@@ -167,4 +167,11 @@ public class WeekSleepChartFragment extends AbstractWeekChartFragment {
     private String getHM(long value) {
         return DateTimeUtils.formatDurationHoursMinutes(value, TimeUnit.MINUTES);
     }
+
+    @Override
+    String getAverage(float value) {
+        //return String.format("%.0f", value);
+        return getHM((long)value);
+    }
+
 }

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/WeekStepsChartFragment.java

@@ -113,4 +113,9 @@ public class WeekStepsChartFragment extends AbstractWeekChartFragment {
         } else
             return getString(R.string.no_data);
     }
+
+    @Override
+    String getAverage(float value) {
+        return String.format("%.0f", value);
+    }
 }

app/src/main/res/values/strings.xml

@@ -73,6 +73,7 @@
     <string name="pref_default">Default</string>
     <string name="pref_header_charts">Charts Settings</string>
     <string name="pref_title_charts_swipe">Enable left/right swipe in the charts activity</string>
+    <string name="pref_title_charts_average">Show averages in the charts</string>
     <string name="pref_header_datetime">Date and Time</string>
     <string name="pref_title_datetime_syctimeonconnect">Sync time</string>
     <string name="pref_summary_datetime_syctimeonconnect">Sync time to Gadgetbridge device when connecting, and when time or time zone changes on Android device</string>
@@ -417,7 +418,7 @@
     <string name="weeksteps_today_steps_description">Steps today, target: %1$s</string>
     <string name="lack_of_step">Lack of steps: %1$d</string>
     <string name="overstep">Overstep: %1$d</string>
-    <string name="average">Average: %1$.0f</string>
+    <string name="average">Average: %1$s</string>
     <string name="pref_title_dont_ack_transfer">Do not ACK activity data transfer</string>
     <string name="pref_summary_dont_ack_transfers">If the activity data are not acked to the band, they will not be cleared. Useful if GB is used together with other apps.</string>
     <string name="pref_summary_keep_data_on_device">Will keep activity data on the Mi Band even after synchronization. Useful if GB is used together with other apps.</string>

app/src/main/res/xml/preferences.xml

@@ -183,6 +183,12 @@
             android:defaultValue="true"
             android:key="charts_allow_swipe"
             android:title="@string/pref_title_charts_swipe" />
+        <CheckBoxPreference
+            android:layout="@layout/preference_checkbox"
+            android:defaultValue="true"
+            android:key="charts_show_average"
+            android:title="@string/pref_title_charts_average" />
+
     </PreferenceCategory>
     <PreferenceCategory
         android:key="pref_key_datetime"