Mi Band 2: Display item settings

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2Coordinator.java

@@ -30,6 +30,7 @@ import org.slf4j.LoggerFactory;
 
 import java.util.Collection;
 import java.util.Collections;
+import java.util.Set;
 
 import nodomain.freeyourgadget.gadgetbridge.GBApplication;
 import nodomain.freeyourgadget.gadgetbridge.R;
@@ -117,6 +118,11 @@ public class MiBand2Coordinator extends MiBandCoordinator {
         return prefs.getBoolean(MiBandConst.PREF_MI2_ACTIVATE_DISPLAY_ON_LIFT, true);
     }
 
+    public static Set<String> getDisplayItems() {
+        Prefs prefs = GBApplication.getPrefs();
+        return prefs.getStringSet(MiBandConst.PREF_MI2_DISPLAY_ITEMS, null);
+    }
+
     @Override
     public InstallHandler findInstallHandler(Uri uri, Context context) {
         MiBand2FWInstallHandler handler = new MiBand2FWInstallHandler(uri, context);

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBand2Service.java

@@ -145,6 +145,19 @@ public class MiBand2Service {
 
     public static final byte ICON_HIGH_PRIORITY = 0x7;
 
+    public static byte ENDPOINT_DISPLAY_ITEMS = 0x0a;
+
+    public static byte DISPLAY_ITEM_BIT_CLOCK = 0x01;
+    public static byte DISPLAY_ITEM_BIT_STEPS = 0x02;
+    public static byte DISPLAY_ITEM_BIT_DISTANCE = 0x04;
+    public static byte DISPLAY_ITEM_BIT_CALORIES= 0x08;
+    public static byte DISPLAY_ITEM_BIT_HEART_RATE = 0x10;
+    public static byte DISPLAY_ITEM_BIT_BATTERY = 0x20;
+
+    // Second byte must be a bitwise OR combination of the above
+    // The clock can't be disabled
+    public static int SCREEN_CHANGE_BYTE = 1;
+    public static final byte[] COMMAND_CHANGE_SCREENS = new byte[]{ENDPOINT_DISPLAY_ITEMS, DISPLAY_ITEM_BIT_CLOCK, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05};
 
     public static byte ENDPOINT_DISPLAY = 0x06;
 

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandConst.java

@@ -35,6 +35,13 @@ public final class MiBandConst {
     public static final String PREF_MIBAND_USE_HR_FOR_SLEEP_DETECTION = "mi_hr_sleep_detection";
 	public static final String PREF_MIBAND_DEVICE_TIME_OFFSET_HOURS = "mi_device_time_offset_hours";
 	public static final String PREF_MI2_DATEFORMAT = "mi2_dateformat";
+	public static final String PREF_MI2_DISPLAY_ITEMS = "mi2_display_items";
+	public static final String PREF_MI2_DISPLAY_ITEM_CLOCK = "clock";
+	public static final String PREF_MI2_DISPLAY_ITEM_STEPS = "steps";
+	public static final String PREF_MI2_DISPLAY_ITEM_DISTANCE = "distance";
+	public static final String PREF_MI2_DISPLAY_ITEM_CALORIES = "calories";
+	public static final String PREF_MI2_DISPLAY_ITEM_HEART_RATE = "heart_rate";
+	public static final String PREF_MI2_DISPLAY_ITEM_BATTERY = "battery";
 	public static final String PREF_MI2_ACTIVATE_DISPLAY_ON_LIFT = "mi2_activate_display_on_lift_wrist";
 	public static final String PREF_MI2_ENABLE_TEXT_NOTIFICATIONS = "mi2_enable_text_notifications";
     public static final String PREF_MIBAND_SETUP_BT_PAIRING = "mi_setup_bt_pairing";

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/devices/miband/MiBandPreferencesActivity.java

@@ -39,6 +39,7 @@ import static nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst.OR
 import static nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst.ORIGIN_INCOMING_CALL;
 import static nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst.PREF_MI2_ACTIVATE_DISPLAY_ON_LIFT;
 import static nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst.PREF_MI2_DATEFORMAT;
+import static nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst.PREF_MI2_DISPLAY_ITEMS;
 import static nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst.PREF_MI2_ENABLE_TEXT_NOTIFICATIONS;
 import static nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst.PREF_MIBAND_ADDRESS;
 import static nodomain.freeyourgadget.gadgetbridge.devices.miband.MiBandConst.PREF_MIBAND_DEVICE_TIME_OFFSET_HOURS;
@@ -80,6 +81,20 @@ public class MiBandPreferencesActivity extends AbstractSettingsActivity {
             }
         });
 
+        final Preference displayPages = findPreference(PREF_MI2_DISPLAY_ITEMS);
+        displayPages.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
+            @Override
+            public boolean onPreferenceChange(Preference preference, Object newVal) {
+                invokeLater(new Runnable() {
+                    @Override
+                    public void run() {
+                        GBApplication.deviceService().onSendConfiguration(PREF_MI2_DISPLAY_ITEMS);
+                    }
+                });
+                return true;
+            }
+        });
+
         final Preference activateDisplayOnLift = findPreference(PREF_MI2_ACTIVATE_DISPLAY_ON_LIFT);
         activateDisplayOnLift.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() {
             @Override

app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/miband2/MiBand2Support.java

@@ -38,6 +38,7 @@ import java.util.ArrayList;
 import java.util.Calendar;
 import java.util.GregorianCalendar;
 import java.util.List;
+import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
 
@@ -1078,6 +1079,9 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
                 case MiBandConst.PREF_MI2_ACTIVATE_DISPLAY_ON_LIFT:
                     setActivateDisplayOnLiftWrist(builder);
                     break;
+                case MiBandConst.PREF_MI2_DISPLAY_ITEMS:
+                    setDisplayItems(builder);
+                    break;
                 case ActivityUser.PREF_USER_STEPS_GOAL:
                     setFitnessGoal(builder);
                     break;
@@ -1139,6 +1143,34 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
         return this;
     }
 
+    private MiBand2Support setDisplayItems(TransactionBuilder builder) {
+        Set<String> pages = MiBand2Coordinator.getDisplayItems();
+        LOG.info("Setting display items to " + (pages == null ? "none" : pages));
+
+        byte[] data = MiBand2Service.COMMAND_CHANGE_SCREENS.clone();
+
+        if(pages != null) {
+            if(pages.contains(MiBandConst.PREF_MI2_DISPLAY_ITEM_STEPS))
+                data[MiBand2Service.SCREEN_CHANGE_BYTE] |= MiBand2Service.DISPLAY_ITEM_BIT_STEPS;
+
+            if(pages.contains(MiBandConst.PREF_MI2_DISPLAY_ITEM_DISTANCE))
+                data[MiBand2Service.SCREEN_CHANGE_BYTE] |= MiBand2Service.DISPLAY_ITEM_BIT_DISTANCE;
+
+            if(pages.contains(MiBandConst.PREF_MI2_DISPLAY_ITEM_CALORIES))
+                data[MiBand2Service.SCREEN_CHANGE_BYTE] |= MiBand2Service.DISPLAY_ITEM_BIT_CALORIES;
+
+            if(pages.contains(MiBandConst.PREF_MI2_DISPLAY_ITEM_HEART_RATE))
+                data[MiBand2Service.SCREEN_CHANGE_BYTE] |= MiBand2Service.DISPLAY_ITEM_BIT_HEART_RATE;
+
+            if(pages.contains(MiBandConst.PREF_MI2_DISPLAY_ITEM_BATTERY))
+                data[MiBand2Service.SCREEN_CHANGE_BYTE] |= MiBand2Service.DISPLAY_ITEM_BIT_BATTERY;
+        }
+
+        builder.write(getCharacteristic(MiBand2Service.UUID_CHARACTERISTIC_3_CONFIGURATION), data);
+
+        return this;
+    }
+
     public void phase2Initialize(TransactionBuilder builder) {
         LOG.info("phase2Initialize...");
         enableFurtherNotifications(builder, true);
@@ -1147,6 +1179,7 @@ public class MiBand2Support extends AbstractBTLEDeviceSupport {
         setTimeFormat(builder);
         setWearLocation(builder);
         setFitnessGoal(builder);
+        setDisplayItems(builder);
         setActivateDisplayOnLiftWrist(builder);
         setHeartrateSleepSupport(builder);
     }

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

@@ -270,6 +270,9 @@
   <string name="chart_steps">Passos</string>
   <string name="calories">Calorias</string>
   <string name="distance">Distância</string>
+  <string name="clock">Relógio</string>
+  <string name="heart_rate">Ritmo Cardíaco</string>
+  <string name="battery">Bateria</string>
   <string name="liveactivity_live_activity">Atividade em tempo real</string>
   <string name="weeksteps_today_steps_description">Passos hoje, objetivo: %1$s</string>
   <string name="pref_title_dont_ack_transfer">Não confirmar a transferência de dados de atividade</string>
@@ -297,6 +300,8 @@
   <string name="miband2_prefs_dateformat">Mi2: Formato da Data</string>
   <string name="dateformat_time">Hora</string>
   <string name="dateformat_date_time"><![CDATA[Hora & Data]]></string>
+  <string name="mi2_prefs_display_items">Items do ecrã</string>
+  <string name="mi2_prefs_display_items_summary">Escolher os items a mostrar no ecrã</string>
   <string name="mi2_prefs_activate_display_on_lift">Ativar ecrã do dispositivo quando o levantar</string>
   <string name="FetchActivityOperation_about_to_transfer_since">Prestes a transferir dados desde %1$s</string>
   <string name="waiting_for_reconnect">aguarde para tornar a ligar</string>

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

@@ -135,6 +135,28 @@
         <item>@string/p_dateformat_datetime</item>
     </string-array>
 
+    <string-array name="pref_mi2_display_items">
+        <item>@string/chart_steps</item>
+        <item>@string/distance</item>
+        <item>@string/calories</item>
+        <item>@string/heart_rate</item>
+        <item>@string/battery</item>
+    </string-array>
+    <string-array name="pref_mi2_display_items_values">
+        <item>@string/p_steps</item>
+        <item>@string/p_distance</item>
+        <item>@string/p_calories</item>
+        <item>@string/p_heart_rate</item>
+        <item>@string/p_battery</item>
+    </string-array>
+    <string-array name="pref_mi2_display_items_default">
+        <item>@string/p_steps</item>
+        <item>@string/p_distance</item>
+        <item>@string/p_calories</item>
+        <item>@string/p_heart_rate</item>
+        <item>@string/p_battery</item>
+    </string-array>
+
     <string-array name="pref_entries_unit_system">
         <item>@string/unit_metric</item>
         <item>@string/unit_imperial</item>

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

@@ -315,6 +315,9 @@
     <string name="chart_steps">Steps</string>
     <string name="calories">Calories</string>
     <string name="distance">Distance</string>
+    <string name="clock">Clock</string>
+    <string name="heart_rate">Heart Rate</string>
+    <string name="battery">Battery</string>
     <string name="liveactivity_live_activity">Live Activity</string>
     <string name="weeksteps_today_steps_description">Steps today, target: %1$s</string>
     <string name="pref_title_dont_ack_transfer">Do not ack activity data transfer</string>
@@ -343,6 +346,8 @@
     <string name="miband2_prefs_dateformat">Mi2: Date Format</string>
     <string name="dateformat_time">Time</string>
     <string name="dateformat_date_time"><![CDATA[Time & Date]]></string>
+    <string name="mi2_prefs_display_items">Display items</string>
+    <string name="mi2_prefs_display_items_summary">Choose the items displayed on the band screen</string>
     <string name="mi2_prefs_activate_display_on_lift">Activate display upon lift</string>
     <string name="FetchActivityOperation_about_to_transfer_since">About to transfer data since %1$s</string>
 

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

@@ -12,6 +12,13 @@
     <item name="p_dateformat_time" type="string">dateformat_time</item>
     <item name="p_dateformat_datetime" type="string">dateformat_datetime</item>
 
+    <item name="p_clock" type="string">clock</item>
+    <item name="p_steps" type="string">steps</item>
+    <item name="p_distance" type="string">distance</item>
+    <item name="p_calories" type="string">calories</item>
+    <item name="p_heart_rate" type="string">heart_rate</item>
+    <item name="p_battery" type="string">battery</item>
+
     <item name="p_unit_metric" type="string">metric</item>
     <item name="p_unit_imperial" type="string">imperial</item>
 

app/src/main/res/xml/miband_preferences.xml

@@ -43,6 +43,15 @@
 			android:maxLength="2"
 			android:title="@string/miband_prefs_device_time_offset_hours" />
 
+        <MultiSelectListPreference
+            android:dialogTitle="@string/mi2_prefs_display_items"
+            android:defaultValue="@array/pref_mi2_display_items_default"
+            android:entries="@array/pref_mi2_display_items"
+            android:entryValues="@array/pref_mi2_display_items_values"
+            android:key="mi2_display_items"
+            android:summary="@string/mi2_prefs_display_items_summary"
+            android:title="@string/mi2_prefs_display_items"/>
+
         <CheckBoxPreference
             android:defaultValue="true"
             android:key="mi2_activate_display_on_lift_wrist"