Create view-model and presenter for TargetCard; reduce boilerplate

android/uhabits-android/src/androidTest/java/org/isoron/uhabits/activities/habits/show/views/SubtitleCardTest.java

@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
- *
- * This file is part of Loop Habit Tracker.
- *
- * Loop Habit Tracker is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
- *
- * Loop Habit Tracker is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package org.isoron.uhabits.activities.habits.show.views;
-
-import androidx.test.filters.*;
-import androidx.test.runner.*;
-import android.view.*;
-
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-
-import org.isoron.uhabits.*;
-import org.isoron.uhabits.core.models.*;
-import org.junit.*;
-import org.junit.runner.*;
-
-@RunWith(AndroidJUnit4.class)
-@MediumTest
-public class SubtitleCardTest extends BaseViewTest
-{
-    public static final String PATH = "habits/show/SubtitleCard/";
-
-    private SubtitleCard view;
-
-    private Habit habit;
-
-    @Before
-    @Override
-    public void setUp()
-    {
-        super.setUp();
-
-        habit = fixtures.createLongHabit();
-        habit.setReminder(new Reminder(8, 30, WeekdayList.EVERY_DAY));
-
-        view = LayoutInflater
-            .from(targetContext)
-            .inflate(R.layout.show_habit, null)
-            .findViewById(R.id.subtitleCard);
-
-        view.setHabit(habit);
-        view.refreshData();
-
-        measureView(view, 800, 200);
-    }
-
-    @Test
-    public void testRender() throws Exception
-    {
-        assertRenders(view, PATH + "render.png");
-    }
-}

android/uhabits-android/src/androidTest/java/org/isoron/uhabits/activities/habits/show/views/SubtitleCardTest.kt

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2016 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.isoron.uhabits.activities.habits.show.views
+
+import android.view.*
+import androidx.test.ext.junit.runners.*
+import androidx.test.filters.*
+import org.isoron.uhabits.*
+import org.isoron.uhabits.activities.habits.show.*
+import org.junit.*
+import org.junit.runner.*
+
+@RunWith(AndroidJUnit4::class)
+@MediumTest
+class SubtitleCardTest : BaseViewTest() {
+    val PATH = "habits/show/SubtitleCard/"
+    private lateinit var view: SubtitleCard
+
+    @Before
+    override fun setUp() {
+        super.setUp()
+        view = LayoutInflater
+                .from(targetContext)
+                .inflate(R.layout.show_habit, null)
+                .findViewById(R.id.subtitleCard)
+        view.onData(ShowHabitViewModel(
+                question = "Did you meditate this morning?",
+                reminderText = "8:30 AM",
+                frequencyText = "3 times in 7 days",
+        ))
+        measureView(view, 800f, 200f)
+    }
+
+    @Test
+    fun testRender() {
+        assertRenders(view, PATH + "render.png")
+    }
+}

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/DataView.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.activities
+
+import android.content.*
+import android.util.*
+import android.widget.*
+
+abstract class DataView<T>(
+        context: Context,
+        attrs: AttributeSet,
+) : LinearLayout(context, attrs), Presenter.Listener<T> {
+
+    lateinit var presenter: Presenter<T>
+
+    override fun onAttachedToWindow() {
+        super.onAttachedToWindow()
+        presenter.addListener(this)
+        presenter.requestData(this)
+    }
+
+    override fun onDetachedFromWindow() {
+        presenter.removeListener(this)
+        super.onDetachedFromWindow()
+    }
+
+    abstract override fun onData(data: T)
+}

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/Presenter.kt

@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package org.isoron.uhabits.activities
+
+import org.isoron.uhabits.core.commands.*
+
+abstract class Presenter<M>(
+        val commandRunner: CommandRunner,
+) : CommandRunner.Listener {
+
+    private val listeners = mutableListOf<Listener<M>>()
+    private var data: M? = null
+
+    fun onResume() {
+        commandRunner.addListener(this)
+        data = refresh()
+        notifyListeners()
+    }
+
+    abstract fun refresh(): M
+
+    fun onPause() {
+        commandRunner.removeListener(this)
+    }
+
+    fun addListener(listener: Listener<M>) {
+        listeners.add(listener)
+    }
+
+    fun removeListener(listener: Listener<M>) {
+        listeners.remove(listener)
+    }
+
+    fun requestData(listener: Listener<M>) {
+        if (data == null) data = refresh()
+        listener.onData(data!!)
+    }
+
+    override fun onCommandExecuted(command: Command?, refreshKey: Long?) {
+        data = refresh()
+        notifyListeners()
+    }
+
+    private fun notifyListeners() {
+        for (l in listeners) l.onData(data!!)
+    }
+
+    interface Listener<T> {
+        fun onData(data: T)
+    }
+}

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/ShowHabitPresenter.kt

@@ -23,6 +23,7 @@ import android.annotation.*
 import android.content.*
 import org.isoron.androidbase.activities.*
 import org.isoron.uhabits.*
+import org.isoron.uhabits.activities.*
 import org.isoron.uhabits.activities.habits.list.views.*
 import org.isoron.uhabits.core.commands.*
 import org.isoron.uhabits.core.models.*
@@ -36,47 +37,14 @@ import javax.inject.*
 class ShowHabitPresenter
 @Inject constructor(
         val habit: Habit,
-        val commandRunner: CommandRunner,
         val preferences: Preferences,
+        commandRunner: CommandRunner,
         @ActivityContext val context: Context,
-) : CommandRunner.Listener {
+) : Presenter<ShowHabitViewModel>(commandRunner) {
 
-    private val listeners = mutableListOf<Listener>()
-    private var data = ShowHabitViewModel()
     private val resources = context.resources
 
-    fun onResume() {
+    override fun refresh(): ShowHabitViewModel {
-        commandRunner.addListener(this)
-        refresh()
-        notifyListeners()
-    }
-
-    fun onPause() {
-        commandRunner.removeListener(this)
-    }
-
-    fun addListener(listener: Listener) {
-        listeners.add(listener)
-    }
-
-    fun removeListener(listener: Listener) {
-        listeners.remove(listener)
-    }
-
-    fun requestData(listener: Listener) {
-        listener.onData(data)
-    }
-
-    override fun onCommandExecuted(command: Command?, refreshKey: Long?) {
-        refresh()
-        notifyListeners()
-    }
-
-    private fun notifyListeners() {
-        for (l in listeners) l.onData(data)
-    }
-
-    private fun refresh() {
         val today = DateUtils.getTodayWithOffset()
         val lastMonth = today.minus(30)
         val lastYear = today.minus(365)
@@ -92,46 +60,7 @@ class ShowHabitPresenter
         val scoreLastMonth = scores.getValue(lastMonth).toFloat()
         val scoreLastYear = scores.getValue(lastYear).toFloat()
 
-        val checkmarks = habit.checkmarks
+        return ShowHabitViewModel(
-        val valueToday = checkmarks.todayValue / 1e3
-        val valueThisWeek = checkmarks.getThisWeekValue(preferences.firstWeekday) / 1e3
-        val valueThisMonth = checkmarks.thisMonthValue / 1e3
-        val valueThisQuarter = checkmarks.thisQuarterValue / 1e3
-        val valueThisYear = checkmarks.thisYearValue / 1e3
-
-        val cal = DateUtils.getStartOfTodayCalendarWithOffset()
-        val daysInMonth = cal.getActualMaximum(Calendar.DAY_OF_MONTH)
-        val daysInQuarter = 91
-        val daysInYear = cal.getActualMaximum(Calendar.DAY_OF_YEAR)
-
-        val targetToday = habit.getTargetValue() / habit.frequency.denominator
-        val targetThisWeek = targetToday * 7
-        val targetThisMonth = targetToday * daysInMonth
-        val targetThisQuarter = targetToday * daysInQuarter
-        val targetThisYear = targetToday * daysInYear
-
-        val targetCompleted = ArrayList<Double>()
-        if (habit.frequency.denominator <= 1) targetCompleted.add(valueToday)
-        if (habit.frequency.denominator <= 7) targetCompleted.add(valueThisWeek)
-        targetCompleted.add(valueThisMonth)
-        targetCompleted.add(valueThisQuarter)
-        targetCompleted.add(valueThisYear)
-
-        val targetTotal = ArrayList<Double>()
-        if (habit.frequency.denominator <= 1) targetTotal.add(targetToday)
-        if (habit.frequency.denominator <= 7) targetTotal.add(targetThisWeek)
-        targetTotal.add(targetThisMonth)
-        targetTotal.add(targetThisQuarter)
-        targetTotal.add(targetThisYear)
-
-        val targetLabels = ArrayList<String>()
-        if (habit.frequency.denominator <= 1) targetLabels.add(resources.getString(R.string.today))
-        if (habit.frequency.denominator <= 7) targetLabels.add(resources.getString(R.string.week))
-        targetLabels.add(resources.getString(R.string.month))
-        targetLabels.add(resources.getString(R.string.quarter))
-        targetLabels.add(resources.getString(R.string.year))
-
-        data = ShowHabitViewModel(
                 title = habit.name,
                 description = habit.description,
                 question = habit.question,
@@ -144,9 +73,6 @@ class ShowHabitPresenter
                 targetText = "${habit.targetValue.toShortString()} ${habit.unit}",
                 frequencyText = habit.frequency.format(),
                 reminderText = reminderText,
-                targetCompleted = targetCompleted,
-                targetTotal = targetTotal,
-                targetLabels = targetLabels,
         )
     }
 
@@ -184,8 +110,4 @@ class ShowHabitPresenter
                 resources.getString(R.string.days),
         )
     }
-
-    interface Listener {
-        fun onData(data: ShowHabitViewModel)
-    }
 }

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/ShowHabitRootView.kt

@@ -23,6 +23,7 @@ import android.view.*
 import org.isoron.androidbase.activities.*
 import org.isoron.androidbase.utils.*
 import org.isoron.uhabits.*
+import org.isoron.uhabits.activities.*
 import org.isoron.uhabits.activities.habits.show.views.*
 import org.isoron.uhabits.core.models.*
 import org.isoron.uhabits.databinding.*
@@ -35,7 +36,8 @@ class ShowHabitRootView
         @ActivityContext context: Context,
         private val habit: Habit,
         private val presenter: ShowHabitPresenter,
-) : BaseRootView(context), ShowHabitPresenter.Listener {
+        targetCardPresenter: TargetCardPresenter,
+) : BaseRootView(context), Presenter.Listener<ShowHabitViewModel> {
 
     private var controller: Controller = object : Controller {}
     private var binding = ShowHabitBinding.inflate(LayoutInflater.from(context))
@@ -47,7 +49,7 @@ class ShowHabitRootView
         binding.overviewCard.presenter = presenter
         binding.notesCard.presenter = presenter
         binding.subtitleCard.presenter = presenter
-        binding.targetCard.presenter = presenter
+        binding.targetCard.presenter = targetCardPresenter
 
         binding.scoreCard.habit = habit
         binding.historyCard.habit = habit

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/ShowHabitViewModel.kt

@@ -34,7 +34,4 @@ data class ShowHabitViewModel(
         val targetText: String = "",
         val frequencyText: String = "",
         val reminderText: String = "",
-        val targetCompleted: List<Double> = listOf(),
-        val targetTotal: List<Double> = listOf(),
-        val targetLabels: List<String> = listOf(),
 )

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/views/NotesCard.kt

@@ -1,30 +1,34 @@
+/*
+ * Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+ *
+ * This file is part of Loop Habit Tracker.
+ *
+ * Loop Habit Tracker is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * Loop Habit Tracker is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
 package org.isoron.uhabits.activities.habits.show.views
 
 import android.content.*
 import android.util.*
 import android.view.*
-import android.widget.*
+import org.isoron.uhabits.activities.*
 import org.isoron.uhabits.activities.habits.show.*
 import org.isoron.uhabits.databinding.*
 
-class NotesCard(
+class NotesCard(context: Context, attrs: AttributeSet) : DataView<ShowHabitViewModel>(context, attrs) {
-        context: Context,
-        attrs: AttributeSet
-) : LinearLayout(context, attrs), ShowHabitPresenter.Listener {
 
     private val binding = ShowHabitNotesBinding.inflate(LayoutInflater.from(context), this)
-    lateinit var presenter: ShowHabitPresenter
-
-    override fun onAttachedToWindow() {
-        super.onAttachedToWindow()
-        presenter.addListener(this)
-        presenter.requestData(this)
-    }
-
-    override fun onDetachedFromWindow() {
-        presenter.removeListener(this)
-        super.onDetachedFromWindow()
-    }
 
     override fun onData(data: ShowHabitViewModel) {
         if (data.description.isEmpty()) {

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/views/OverviewCard.kt

@@ -21,48 +21,16 @@ package org.isoron.uhabits.activities.habits.show.views
 import android.content.*
 import android.util.*
 import android.view.*
-import android.widget.*
 import org.isoron.androidbase.utils.*
 import org.isoron.uhabits.*
+import org.isoron.uhabits.activities.*
 import org.isoron.uhabits.activities.habits.show.*
 import org.isoron.uhabits.databinding.*
 import org.isoron.uhabits.utils.*
 
-class OverviewCard : LinearLayout, ShowHabitPresenter.Listener {
+class OverviewCard(context: Context, attrs: AttributeSet) : DataView<ShowHabitViewModel>(context, attrs) {
 
     private val binding = ShowHabitOverviewBinding.inflate(LayoutInflater.from(context), this)
-    lateinit var presenter: ShowHabitPresenter
-
-    constructor(context: Context) : super(context) {
-        init()
-    }
-
-    constructor(context: Context, attrs: AttributeSet) : super(context, attrs) {
-        init()
-    }
-
-    private fun init() {
-        if (isInEditMode) initEditMode()
-    }
-
-    override fun onAttachedToWindow() {
-        super.onAttachedToWindow()
-        presenter.addListener(this)
-        presenter.requestData(this)
-    }
-
-    override fun onDetachedFromWindow() {
-        presenter.removeListener(this)
-        super.onDetachedFromWindow()
-    }
-
-    private fun initEditMode() {
-        onData(ShowHabitViewModel(
-                scoreToday = 0.6f,
-                scoreMonthDiff = 0.42f,
-                scoreYearDiff = 0.75f,
-        ))
-    }
 
     private fun formatPercentageDiff(percentageDiff: Float): String {
         return String.format("%s%.0f%%", if (percentageDiff >= 0) "+" else "\u2212",

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/views/SubtitleCard.kt

@@ -21,44 +21,21 @@ package org.isoron.uhabits.activities.habits.show.views
 import android.content.*
 import android.util.*
 import android.view.*
-import android.widget.*
 import org.isoron.androidbase.utils.*
+import org.isoron.uhabits.activities.*
 import org.isoron.uhabits.activities.habits.show.*
-import org.isoron.uhabits.core.models.*
 import org.isoron.uhabits.databinding.*
 import org.isoron.uhabits.utils.*
 
-class SubtitleCard(
+class SubtitleCard(context: Context, attrs: AttributeSet) : DataView<ShowHabitViewModel>(context, attrs) {
-        context: Context,
-        attrs: AttributeSet,
-) : LinearLayout(context, attrs), ShowHabitPresenter.Listener {
 
     private val binding = ShowHabitSubtitleBinding.inflate(LayoutInflater.from(context), this)
-    lateinit var presenter: ShowHabitPresenter
 
     init {
         val fontAwesome = InterfaceUtils.getFontAwesome(context)
         binding.targetIcon.typeface = fontAwesome
         binding.frequencyIcon.typeface = fontAwesome
         binding.reminderIcon.typeface = fontAwesome
-        if (isInEditMode) onData(ShowHabitViewModel(
-                isNumerical = false,
-                frequencyText = "Every day",
-                question = "How many steps did you walk today?",
-                color = PaletteColor(1),
-
-                ))
-    }
-
-    override fun onAttachedToWindow() {
-        super.onAttachedToWindow()
-        presenter.addListener(this)
-        presenter.requestData(this)
-    }
-
-    override fun onDetachedFromWindow() {
-        presenter.removeListener(this)
-        super.onDetachedFromWindow()
     }
 
     override fun onData(data: ShowHabitViewModel) {

android/uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/show/views/TargetCard.kt

@@ -21,36 +21,95 @@ package org.isoron.uhabits.activities.habits.show.views
 import android.content.*
 import android.util.*
 import android.view.*
-import android.widget.*
+import org.isoron.androidbase.activities.*
-import org.isoron.uhabits.activities.habits.show.*
+import org.isoron.uhabits.*
+import org.isoron.uhabits.activities.*
+import org.isoron.uhabits.core.commands.*
+import org.isoron.uhabits.core.models.*
+import org.isoron.uhabits.core.preferences.*
+import org.isoron.uhabits.core.utils.*
 import org.isoron.uhabits.databinding.*
 import org.isoron.uhabits.utils.*
+import java.util.*
+import javax.inject.*
 
-class TargetCard(
+data class TargetCardViewModel(
-        context: Context,
+        val color: PaletteColor,
-        attrs: AttributeSet,
+        val values: List<Double> = listOf(),
-) : LinearLayout(context, attrs), ShowHabitPresenter.Listener {
+        val targets: List<Double> = listOf(),
+        val labels: List<String> = listOf(),
+)
+
+class TargetCardView(context: Context, attrs: AttributeSet) : DataView<TargetCardViewModel>(context, attrs) {
 
     private val binding = ShowHabitTargetBinding.inflate(LayoutInflater.from(context), this)
-    lateinit var presenter: ShowHabitPresenter
 
-    override fun onAttachedToWindow() {
+    override fun onData(data: TargetCardViewModel) {
-        super.onAttachedToWindow()
-        presenter.addListener(this)
-        presenter.requestData(this)
-    }
-
-    override fun onDetachedFromWindow() {
-        presenter.removeListener(this)
-        super.onDetachedFromWindow()
-    }
-
-    override fun onData(data: ShowHabitViewModel) {
         val androidColor = data.color.toThemedAndroidColor(context)
-        binding.targetChart.setValues(data.targetCompleted)
+        binding.targetChart.setValues(data.values)
-        binding.targetChart.setTargets(data.targetTotal)
+        binding.targetChart.setTargets(data.targets)
-        binding.targetChart.setLabels(data.targetLabels)
+        binding.targetChart.setLabels(data.labels)
         binding.title.setTextColor(androidColor)
         binding.targetChart.setColor(androidColor)
     }
-}
+}
+
+@ActivityScope
+class TargetCardPresenter
+@Inject constructor(
+        val habit: Habit,
+        val preferences: Preferences,
+        @ActivityContext val context: Context,
+        commandRunner: CommandRunner,
+) : Presenter<TargetCardViewModel>(commandRunner) {
+
+    val resources = context.resources
+
+    override fun refresh(): TargetCardViewModel {
+        val checkmarks = habit.checkmarks
+        val valueToday = checkmarks.todayValue / 1e3
+        val valueThisWeek = checkmarks.getThisWeekValue(preferences.firstWeekday) / 1e3
+        val valueThisMonth = checkmarks.thisMonthValue / 1e3
+        val valueThisQuarter = checkmarks.thisQuarterValue / 1e3
+        val valueThisYear = checkmarks.thisYearValue / 1e3
+
+        val cal = DateUtils.getStartOfTodayCalendarWithOffset()
+        val daysInMonth = cal.getActualMaximum(Calendar.DAY_OF_MONTH)
+        val daysInQuarter = 91
+        val daysInYear = cal.getActualMaximum(Calendar.DAY_OF_YEAR)
+
+        val targetToday = habit.getTargetValue() / habit.frequency.denominator
+        val targetThisWeek = targetToday * 7
+        val targetThisMonth = targetToday * daysInMonth
+        val targetThisQuarter = targetToday * daysInQuarter
+        val targetThisYear = targetToday * daysInYear
+
+        val values = ArrayList<Double>()
+        if (habit.frequency.denominator <= 1) values.add(valueToday)
+        if (habit.frequency.denominator <= 7) values.add(valueThisWeek)
+        values.add(valueThisMonth)
+        values.add(valueThisQuarter)
+        values.add(valueThisYear)
+
+        val targets = ArrayList<Double>()
+        if (habit.frequency.denominator <= 1) targets.add(targetToday)
+        if (habit.frequency.denominator <= 7) targets.add(targetThisWeek)
+        targets.add(targetThisMonth)
+        targets.add(targetThisQuarter)
+        targets.add(targetThisYear)
+
+        val labels = ArrayList<String>()
+        if (habit.frequency.denominator <= 1) labels.add(resources.getString(R.string.today))
+        if (habit.frequency.denominator <= 7) labels.add(resources.getString(R.string.week))
+        labels.add(resources.getString(R.string.month))
+        labels.add(resources.getString(R.string.quarter))
+        labels.add(resources.getString(R.string.year))
+
+        return TargetCardViewModel(
+                color = habit.color,
+                values = values,
+                labels = labels,
+                targets = targets,
+        )
+    }
+}

android/uhabits-android/src/main/java/org/isoron/uhabits/widgets/BaseWidget.java

@@ -28,6 +28,7 @@ import android.widget.*;
 import androidx.annotation.NonNull;
 
 import org.isoron.uhabits.*;
+import org.isoron.uhabits.core.commands.*;
 import org.isoron.uhabits.core.preferences.*;
 import org.isoron.uhabits.intents.*;
 
@@ -49,6 +50,9 @@ public abstract class BaseWidget
     @NonNull
     private final Context context;
 
+    @NonNull
+    protected final CommandRunner commandRunner;
+
     @NonNull
     private WidgetDimensions dimensions;
 
@@ -62,6 +66,7 @@ public abstract class BaseWidget
 
         widgetPrefs = app.getComponent().getWidgetPreferences();
         prefs = app.getComponent().getPreferences();
+        commandRunner = app.getComponent().getCommandRunner();
         pendingIntentFactory = app.getComponent().getPendingIntentFactory();
         dimensions = new WidgetDimensions(getDefaultWidth(), getDefaultHeight(),
                                           getDefaultWidth(), getDefaultHeight());

android/uhabits-android/src/main/java/org/isoron/uhabits/widgets/TargetWidget.kt

@@ -26,6 +26,7 @@ import android.view.ViewGroup.LayoutParams.*
 import org.isoron.uhabits.activities.common.views.*
 import org.isoron.uhabits.activities.habits.show.views.*
 import org.isoron.uhabits.core.models.*
+import org.isoron.uhabits.utils.*
 import org.isoron.uhabits.widgets.views.*
 
 class TargetWidget(
@@ -38,15 +39,16 @@ class TargetWidget(
             pendingIntentFactory.showHabit(habit)
 
     override fun refreshData(view: View) {
-//        val widgetView = view as GraphWidgetView
+        val widgetView = view as GraphWidgetView
-//        widgetView.setBackgroundAlpha(preferedBackgroundAlpha)
+        widgetView.setBackgroundAlpha(preferedBackgroundAlpha)
-//        if (preferedBackgroundAlpha >= 255) widgetView.setShadowAlpha(0x4f)
+        if (preferedBackgroundAlpha >= 255) widgetView.setShadowAlpha(0x4f)
-//        val chart = (widgetView.dataView as TargetChart)
+        val chart = (widgetView.dataView as TargetChart)
-//        with(TargetCard.RefreshTask(context, habit, prefs.firstWeekday, chart, null)) {
+        val presenter = TargetCardPresenter(habit, prefs, context, commandRunner)
-//            onPreExecute()
+        val data = presenter.refresh()
-//            doInBackground()
+        chart.setColor(data.color.toThemedAndroidColor(context))
-//            onPostExecute()
+        chart.setTargets(data.targets)
-//        }
+        chart.setLabels(data.labels)
+        chart.setValues(data.values)
     }
 
     override fun buildView(): View {

android/uhabits-android/src/main/res/layout/show_habit.xml

@@ -57,7 +57,7 @@
                 style="@style/Card"
                 android:paddingTop="12dp"/>
 
-            <org.isoron.uhabits.activities.habits.show.views.TargetCard
+            <org.isoron.uhabits.activities.habits.show.views.TargetCardView
                 android:id="@+id/targetCard"
                 style="@style/Card"
                 android:paddingTop="12dp"/>