StackWidget: Remove unused remoteViews; fix invalid check

Helps mitigate situations where the widgets mysteriously fail to render.
The user can always force a refresh by opening the app.

CHANGELOG.md

@@ -9,6 +9,7 @@
 - Improve number picker (@hiqua, @iSoron, #1082, #1370)
 - Add new checkmark and number picker (@iSoron, #1370)
 - Allow user to import numerical habits from HabitBull (@hiqua, #1278)
+- Add support for Android 13 themed icons (@cheeeeer, #1497)
 
 ### Removed
 - Hide snooze button Android 12 notifications (@hiqua, #1226)
@@ -28,6 +29,7 @@
 - Fix small issues in calendar chart (@kalina559, #1314)
 - Resort habit list after edit (@hiqua, #1350)
 - Fix marker scaling in frequency display (@eduebernal, #1425)
+- Fix widgets not working correctly on API 33 (@iSoron, #1488)
 
 ### Refactoring & Testing
 - Replace raster icons by vector assets (@kalina559)

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/CheckmarkPopup.kt

@@ -35,6 +35,7 @@ import org.isoron.uhabits.core.preferences.Preferences
 import org.isoron.uhabits.databinding.CheckmarkPopupBinding
 import org.isoron.uhabits.utils.InterfaceUtils.getFontAwesome
 import org.isoron.uhabits.utils.dimBehind
+import org.isoron.uhabits.utils.dismissCurrentAndShow
 import org.isoron.uhabits.utils.dp
 import org.isoron.uhabits.utils.sres
 
@@ -117,7 +118,7 @@ class CheckmarkPopup(
         view.unknownBtn.setOnClickListener { onClick(UNKNOWN) }
         dialog.setCanceledOnTouchOutside(true)
         dialog.dimBehind()
-        dialog.show()
+        dialog.dismissCurrentAndShow()
     }
 
     fun save() {

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/FrequencyPickerDialog.kt

@@ -149,8 +149,10 @@ class FrequencyPickerDialog(
             }
             contentView.xTimesPerYDaysRadioButton.isChecked -> {
                 if (contentView.xTimesPerYDaysXTextView.text.isNotEmpty() && contentView.xTimesPerYDaysYTextView.text.isNotEmpty()) {
-                    numerator = Integer.parseInt(contentView.xTimesPerYDaysXTextView.text.toString())
-                    denominator = Integer.parseInt(contentView.xTimesPerYDaysYTextView.text.toString())
+                    numerator =
+                        Integer.parseInt(contentView.xTimesPerYDaysXTextView.text.toString())
+                    denominator =
+                        Integer.parseInt(contentView.xTimesPerYDaysYTextView.text.toString())
                 }
             }
             else -> {

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/HistoryEditorDialog.kt

@@ -19,6 +19,7 @@
 package org.isoron.uhabits.activities.common.dialogs
 
 import android.app.Dialog
+import android.content.DialogInterface
 import android.os.Bundle
 import androidx.appcompat.app.AppCompatDialogFragment
 import org.isoron.platform.gui.AndroidDataView
@@ -49,6 +50,7 @@ class HistoryEditorDialog : AppCompatDialogFragment(), CommandRunner.Listener {
     private var onDateClickedListener: OnDateClickedListener? = null
 
     override fun onCreateDialog(savedInstanceState: Bundle?): Dialog {
+        clearCurrentDialog()
         val component = (activity!!.application as HabitsApplication).component
         commandRunner = component.commandRunner
         habit = component.habitList.getById(arguments!!.getLong("habit"))!!
@@ -72,12 +74,20 @@ class HistoryEditorDialog : AppCompatDialogFragment(), CommandRunner.Listener {
         dataView = AndroidDataView(context!!, null)
         dataView.view = chart!!
 
-        return Dialog(context!!).apply {
+        val dialog = Dialog(context!!).apply {
             val metrics = resources.displayMetrics
             val maxHeight = resources.getDimensionPixelSize(R.dimen.history_editor_max_height)
             setContentView(dataView)
             window!!.setLayout(metrics.widthPixels, min(metrics.heightPixels, maxHeight))
         }
+
+        currentDialog = dialog
+        return dialog
+    }
+
+    override fun onDismiss(dialog: DialogInterface) {
+        super.onDismiss(dialog)
+        currentDialog = null
     }
 
     override fun onResume() {
@@ -111,4 +121,14 @@ class HistoryEditorDialog : AppCompatDialogFragment(), CommandRunner.Listener {
     override fun onCommandFinished(command: Command) {
         refreshData()
     }
+
+    companion object {
+        // HistoryEditorDialog handles multiple dialogs on its own,
+        // because sometimes we want it to be shown under another dialog (e.g. NumberPopup)
+        var currentDialog: Dialog? = null
+        fun clearCurrentDialog() {
+            currentDialog?.dismiss()
+            currentDialog = null
+        }
+    }
 }

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/NumberPopup.kt

@@ -31,6 +31,7 @@ import org.isoron.uhabits.core.models.Entry
 import org.isoron.uhabits.core.preferences.Preferences
 import org.isoron.uhabits.databinding.CheckmarkPopupBinding
 import org.isoron.uhabits.utils.dimBehind
+import org.isoron.uhabits.utils.dismissCurrentAndShow
 import org.isoron.uhabits.utils.dp
 import org.isoron.uhabits.utils.requestFocusWithKeyboard
 import java.text.DecimalFormat
@@ -103,7 +104,7 @@ class NumberPopup(
         view.value.requestFocusWithKeyboard()
         dialog.setCanceledOnTouchOutside(true)
         dialog.dimBehind()
-        dialog.show()
+        dialog.dismissCurrentAndShow()
     }
 
     fun save() {

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/dialogs/WeekdayPickerDialog.kt

@@ -73,6 +73,7 @@ class WeekdayPickerDialog :
             .setNegativeButton(
                 android.R.string.cancel
             ) { _: DialogInterface?, _: Int -> dismiss() }
+
         return builder.create()
     }
 

uhabits-android/src/main/java/org/isoron/uhabits/activities/common/views/FrequencyChart.kt

@@ -63,7 +63,9 @@ class FrequencyChart : ScrollableChart {
     private var primaryColor = 0
     private var isBackgroundTransparent = false
     private lateinit var frequency: HashMap<Timestamp, Array<Int>>
+    private var maxFreq = 0
     private var firstWeekday = Calendar.SUNDAY
+    private var isNumerical: Boolean = false
 
     constructor(context: Context?) : super(context) {
         init()
@@ -80,8 +82,14 @@ class FrequencyChart : ScrollableChart {
         postInvalidate()
     }
 
+    fun setIsNumerical(type: Boolean) {
+        isNumerical = type
+        postInvalidate()
+    }
+
     fun setFrequency(frequency: java.util.HashMap<Timestamp, Array<Int>>) {
         this.frequency = frequency
+        maxFreq = getMaxFreq(frequency)
         postInvalidate()
     }
 
@@ -90,6 +98,15 @@ class FrequencyChart : ScrollableChart {
         postInvalidate()
     }
 
+    private fun getMaxFreq(frequency: HashMap<Timestamp, Array<Int>>): Int {
+        var maxValue = 1
+        for (values in frequency.values) for (value in values) maxValue = max(
+            value,
+            maxValue
+        )
+        return maxValue
+    }
+
     fun setIsBackgroundTransparent(isBackgroundTransparent: Boolean) {
         this.isBackgroundTransparent = isBackgroundTransparent
         initColors()
@@ -213,7 +230,7 @@ class FrequencyChart : ScrollableChart {
         canvas.drawLine(rGrid.left, rGrid.top, rGrid.right, rGrid.top, pGrid!!)
     }
 
-    private fun drawMarker(canvas: Canvas, rect: RectF?, value: Int?, frequency: Int) {
+    private fun drawMarker(canvas: Canvas, rect: RectF?, value: Int?, weekdayFrequency: Int) {
         // value can be negative when the entry is skipped
         val valueCopy = value?.let { max(0, it) }
 
@@ -221,8 +238,8 @@ class FrequencyChart : ScrollableChart {
         // maximal allowed mark radius
         val maxRadius = (rect.height() - 2 * padding) / 2.0f
         // the real mark radius is scaled down by a factor depending on the maximal frequency
-
-        val scale = 1.0f / frequency * valueCopy!!
+        val scalingFactor = if (isNumerical) maxFreq else weekdayFrequency
+        val scale = 1.0f / scalingFactor * valueCopy!!
         val radius = maxRadius * scale
         val colorIndex = min((colors.size - 1), ((colors.size - 1) * scale).roundToInt())
         pGraph!!.color = colors[colorIndex]
@@ -285,5 +302,6 @@ class FrequencyChart : ScrollableChart {
             frequency[Timestamp(date)] = values
             date.add(Calendar.MONTH, -1)
         }
+        maxFreq = getMaxFreq(frequency)
     }
 }

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/edit/EditHabitActivity.kt

@@ -59,6 +59,7 @@ import org.isoron.uhabits.core.models.Reminder
 import org.isoron.uhabits.core.models.WeekdayList
 import org.isoron.uhabits.databinding.ActivityEditHabitBinding
 import org.isoron.uhabits.utils.ColorUtils
+import org.isoron.uhabits.utils.dismissCurrentAndShow
 import org.isoron.uhabits.utils.formatTime
 import org.isoron.uhabits.utils.toFormattedString
 
@@ -156,23 +157,23 @@ class EditHabitActivity : AppCompatActivity() {
 
         val colorPickerDialogFactory = ColorPickerDialogFactory(this)
         binding.colorButton.setOnClickListener {
-            val dialog = colorPickerDialogFactory.create(color, themeSwitcher.currentTheme)
-            dialog.setListener { paletteColor ->
+            val picker = colorPickerDialogFactory.create(color, themeSwitcher.currentTheme)
+            picker.setListener { paletteColor ->
                 this.color = paletteColor
                 updateColors()
             }
-            dialog.show(supportFragmentManager, "colorPicker")
+            picker.dismissCurrentAndShow(supportFragmentManager, "colorPicker")
         }
 
         populateFrequency()
         binding.booleanFrequencyPicker.setOnClickListener {
-            val dialog = FrequencyPickerDialog(freqNum, freqDen)
-            dialog.onFrequencyPicked = { num, den ->
+            val picker = FrequencyPickerDialog(freqNum, freqDen)
+            picker.onFrequencyPicked = { num, den ->
                 freqNum = num
                 freqDen = den
                 populateFrequency()
             }
-            dialog.show(supportFragmentManager, "frequencyPicker")
+            picker.dismissCurrentAndShow(supportFragmentManager, "frequencyPicker")
         }
 
         populateTargetType()
@@ -189,7 +190,8 @@ class EditHabitActivity : AppCompatActivity() {
                 populateTargetType()
                 dialog.dismiss()
             }
-            builder.show()
+            val dialog = builder.create()
+            dialog.dismissCurrentAndShow()
         }
 
         binding.numericalFrequencyPicker.setOnClickListener {
@@ -235,7 +237,7 @@ class EditHabitActivity : AppCompatActivity() {
                 is24HourMode,
                 androidColor
             )
-            dialog.show(supportFragmentManager, "timePicker")
+            dialog.dismissCurrentAndShow(supportFragmentManager, "timePicker")
         }
 
         binding.reminderDatePicker.setOnClickListener {
@@ -247,7 +249,7 @@ class EditHabitActivity : AppCompatActivity() {
                 populateReminder()
             }
             dialog.setSelectedDays(reminderDays)
-            dialog.show(supportFragmentManager, "dayPicker")
+            dialog.dismissCurrentAndShow(supportFragmentManager, "dayPicker")
         }
 
         binding.buttonSave.setOnClickListener {

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsActivity.kt

@@ -21,6 +21,7 @@ package org.isoron.uhabits.activities.habits.list
 
 import android.content.Intent
 import android.os.Bundle
+import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import androidx.appcompat.app.AppCompatActivity
@@ -84,7 +85,6 @@ class ListHabitsActivity : AppCompatActivity(), Preferences.Listener {
         Thread.setDefaultUncaughtExceptionHandler(BaseExceptionHandler(this))
         component.listHabitsBehavior.onStartup()
         setContentView(rootView)
-        parseIntents()
     }
 
     override fun onPause() {
@@ -100,11 +100,17 @@ class ListHabitsActivity : AppCompatActivity(), Preferences.Listener {
         rootView.postInvalidate()
         midnightTimer.onResume()
         taskRunner.run {
-            AutoBackup(this@ListHabitsActivity).run()
+            try {
+                AutoBackup(this@ListHabitsActivity).run()
+                appComponent.widgetUpdater.updateWidgets()
+            } catch (e: Exception) {
+                Log.e("ListHabitActivity", "TaskRunner failed", e)
+            }
         }
         if (prefs.theme == THEME_DARK && prefs.isPureBlackEnabled != pureBlack) {
             restartWithFade(ListHabitsActivity::class.java)
         }
+        parseIntents()
         super.onResume()
     }
 
@@ -124,6 +130,7 @@ class ListHabitsActivity : AppCompatActivity(), Preferences.Listener {
     }
 
     private fun parseIntents() {
+        if (intent == null) return
         if (intent.action == ACTION_EDIT) {
             val habitId = intent.extras?.getLong("habit")
             val timestamp = intent.extras?.getLong("timestamp")
@@ -132,6 +139,12 @@ class ListHabitsActivity : AppCompatActivity(), Preferences.Listener {
                 component.listHabitsBehavior.onEdit(habit, Timestamp(timestamp))
             }
         }
+        intent = null
+    }
+
+    override fun onNewIntent(intent: Intent?) {
+        super.onNewIntent(intent)
+        setIntent(intent)
     }
 
     companion object {

uhabits-android/src/main/java/org/isoron/uhabits/activities/habits/list/ListHabitsScreen.kt

@@ -64,6 +64,7 @@ import org.isoron.uhabits.tasks.ImportDataTask
 import org.isoron.uhabits.tasks.ImportDataTaskFactory
 import org.isoron.uhabits.utils.copyTo
 import org.isoron.uhabits.utils.currentTheme
+import org.isoron.uhabits.utils.dismissCurrentAndShow
 import org.isoron.uhabits.utils.restartWithFade
 import org.isoron.uhabits.utils.showMessage
 import org.isoron.uhabits.utils.showSendEmailScreen
@@ -163,7 +164,7 @@ class ListHabitsScreen
     }
 
     override fun showDeleteConfirmationScreen(callback: OnConfirmedCallback, quantity: Int) {
-        ConfirmDeleteDialog(activity, callback, quantity).show()
+        ConfirmDeleteDialog(activity, callback, quantity).dismissCurrentAndShow()
     }
 
     override fun showEditHabitsScreen(selected: List<Habit>) {
@@ -224,7 +225,7 @@ class ListHabitsScreen
     override fun showColorPicker(defaultColor: PaletteColor, callback: OnColorPickedCallback) {
         val picker = colorPickerFactory.create(defaultColor, themeSwitcher.currentTheme!!)
         picker.setListener(callback)
-        picker.show(activity.supportFragmentManager, "picker")
+        picker.dismissCurrentAndShow(activity.supportFragmentManager, "picker")
     }
 
     override fun showNumberPopup(

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

@@ -50,6 +50,7 @@ import org.isoron.uhabits.core.ui.screens.habits.show.ShowHabitPresenter
 import org.isoron.uhabits.core.ui.views.OnDateClickedListener
 import org.isoron.uhabits.intents.IntentFactory
 import org.isoron.uhabits.utils.currentTheme
+import org.isoron.uhabits.utils.dismissCurrentAndShow
 import org.isoron.uhabits.utils.showMessage
 import org.isoron.uhabits.utils.showSendFileScreen
 import org.isoron.uhabits.widgets.WidgetUpdater
@@ -228,7 +229,7 @@ class ShowHabitActivity : AppCompatActivity(), CommandRunner.Listener {
         }
 
         override fun showDeleteConfirmationScreen(callback: OnConfirmedCallback) {
-            ConfirmDeleteDialog(this@ShowHabitActivity, callback, 1).show()
+            ConfirmDeleteDialog(this@ShowHabitActivity, callback, 1).dismissCurrentAndShow()
         }
 
         override fun close() {

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

@@ -33,6 +33,7 @@ class FrequencyCardView(context: Context, attrs: AttributeSet) : LinearLayout(co
     fun setState(state: FrequencyCardState) {
         val androidColor = state.theme.color(state.color).toInt()
         binding.frequencyChart.setFrequency(state.frequency)
+        binding.frequencyChart.setIsNumerical(state.isNumerical)
         binding.frequencyChart.setFirstWeekday(state.firstWeekday)
         binding.title.setTextColor(androidColor)
         binding.frequencyChart.setColor(androidColor)

uhabits-android/src/main/java/org/isoron/uhabits/intents/PendingIntentFactory.kt

@@ -21,13 +21,16 @@ package org.isoron.uhabits.intents
 
 import android.app.PendingIntent
 import android.app.PendingIntent.FLAG_IMMUTABLE
+import android.app.PendingIntent.FLAG_MUTABLE
 import android.app.PendingIntent.FLAG_UPDATE_CURRENT
 import android.app.PendingIntent.getActivity
 import android.app.PendingIntent.getBroadcast
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
+import android.os.Build
 import org.isoron.uhabits.activities.habits.list.ListHabitsActivity
+import org.isoron.uhabits.activities.habits.show.ShowHabitActivity
 import org.isoron.uhabits.core.AppScope
 import org.isoron.uhabits.core.models.Habit
 import org.isoron.uhabits.core.models.Timestamp
@@ -89,6 +92,20 @@ class PendingIntentFactory
             )
             .getPendingIntent(0, FLAG_IMMUTABLE or FLAG_UPDATE_CURRENT)!!
 
+    fun showHabitTemplate(): PendingIntent {
+        return getActivity(
+            context,
+            0,
+            Intent(context, ShowHabitActivity::class.java),
+            getIntentTemplateFlags()
+        )
+    }
+
+    fun showHabitFillIn(habit: Habit) =
+        Intent().apply {
+            data = Uri.parse(habit.uriString)
+        }
+
     fun showReminder(
         habit: Habit,
         reminderTime: Long?,
@@ -142,7 +159,7 @@ class PendingIntentFactory
     fun showNumberPicker(habit: Habit, timestamp: Timestamp): PendingIntent? {
         return getActivity(
             context,
-            0,
+            (habit.id!! % Integer.MAX_VALUE).toInt() + 1,
             Intent(context, ListHabitsActivity::class.java).apply {
                 action = ListHabitsActivity.ACTION_EDIT
                 putExtra("habit", habit.id)
@@ -151,4 +168,43 @@ class PendingIntentFactory
             FLAG_IMMUTABLE or FLAG_UPDATE_CURRENT
         )
     }
+
+    fun showNumberPickerTemplate(): PendingIntent {
+        return getActivity(
+            context,
+            1,
+            Intent(context, ListHabitsActivity::class.java).apply {
+                action = ListHabitsActivity.ACTION_EDIT
+            },
+            getIntentTemplateFlags()
+        )
+    }
+
+    fun showNumberPickerFillIn(habit: Habit, timestamp: Timestamp) = Intent().apply {
+        putExtra("habit", habit.id)
+        putExtra("timestamp", timestamp.unixTime)
+    }
+
+    private fun getIntentTemplateFlags(): Int {
+        var flags = 0
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            flags = flags or FLAG_MUTABLE
+        }
+        return flags
+    }
+
+    fun toggleCheckmarkTemplate(): PendingIntent =
+        getBroadcast(
+            context,
+            2,
+            Intent(context, WidgetReceiver::class.java).apply {
+                action = WidgetReceiver.ACTION_TOGGLE_REPETITION
+            },
+            getIntentTemplateFlags()
+        )
+
+    fun toggleCheckmarkFillIn(habit: Habit, timestamp: Timestamp) = Intent().apply {
+        data = Uri.parse(habit.uriString)
+        putExtra("timestamp", timestamp.unixTime)
+    }
 }

uhabits-android/src/main/java/org/isoron/uhabits/utils/DialogUtils.kt

@@ -0,0 +1,21 @@
+package org.isoron.uhabits.utils
+
+import android.app.Dialog
+import androidx.fragment.app.DialogFragment
+import androidx.fragment.app.FragmentManager
+import java.lang.ref.WeakReference
+
+var currentDialog: WeakReference<Dialog> = WeakReference(null)
+
+fun Dialog.dismissCurrentAndShow() {
+    currentDialog.get()?.dismiss()
+    currentDialog = WeakReference(this)
+    show()
+}
+
+fun DialogFragment.dismissCurrentAndShow(fragmentManager: FragmentManager, tag: String) {
+    currentDialog.get()?.dismiss()
+    show(fragmentManager, tag)
+    fragmentManager.executePendingTransactions()
+    currentDialog = WeakReference(this.dialog)
+}

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

@@ -49,6 +49,7 @@ class FrequencyWidget(
         (widgetView.dataView as FrequencyChart).apply {
             setFirstWeekday(firstWeekday)
             setColor(WidgetTheme().color(habit.color).toInt())
+            setIsNumerical(habit.isNumerical)
             setFrequency(habit.originalEntries.computeWeekdayFrequency(habit.isNumerical))
         }
     }

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

@@ -73,6 +73,10 @@ class StackWidget(
             StackWidgetType.getStackWidgetAdapterViewId(widgetType),
             StackWidgetType.getStackWidgetEmptyViewId(widgetType)
         )
+        remoteViews.setPendingIntentTemplate(
+            StackWidgetType.getStackWidgetAdapterViewId(widgetType),
+            StackWidgetType.getPendingIntentTemplate(pendingIntentFactory, widgetType, habits)
+        )
         return remoteViews
     }
 }

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

@@ -29,11 +29,14 @@ import android.widget.RemoteViewsService
 import android.widget.RemoteViewsService.RemoteViewsFactory
 import org.isoron.platform.utils.StringUtils.Companion.splitLongs
 import org.isoron.uhabits.HabitsApplication
+import org.isoron.uhabits.R
 import org.isoron.uhabits.core.models.Habit
 import org.isoron.uhabits.core.models.HabitNotFoundException
 import org.isoron.uhabits.core.preferences.Preferences
+import org.isoron.uhabits.core.utils.DateUtils.Companion.getToday
+import org.isoron.uhabits.intents.IntentFactory
+import org.isoron.uhabits.intents.PendingIntentFactory
 import org.isoron.uhabits.utils.InterfaceUtils.dpToPixels
-import java.util.ArrayList
 
 class StackWidgetService : RemoteViewsService() {
     override fun onGetViewFactory(intent: Intent): RemoteViewsFactory {
@@ -54,7 +57,6 @@ internal class StackRemoteViewsFactory(private val context: Context, intent: Int
     )
     private val habitIds: LongArray
     private val widgetType: StackWidgetType
-    private var remoteViews = ArrayList<RemoteViews>()
     override fun onCreate() {}
     override fun onDestroy() {}
     override fun getCount(): Int {
@@ -85,8 +87,26 @@ internal class StackRemoteViewsFactory(private val context: Context, intent: Int
     }
 
     override fun getViewAt(position: Int): RemoteViews? {
-        Log.i("StackRemoteViewsFactory", "getViewAt $position")
-        return if (0 <= position && position < remoteViews.size) remoteViews[position] else null
+        Log.i("StackRemoteViewsFactory", "getViewAt $position started")
+        if (position < 0 || position >= habitIds.size) return null
+        val app = context.applicationContext as HabitsApplication
+        val prefs = app.component.preferences
+        val habitList = app.component.habitList
+        val options = AppWidgetManager.getInstance(context).getAppWidgetOptions(widgetId)
+        if (Looper.myLooper() == null) Looper.prepare()
+        val habits = habitIds.map { habitList.getById(it) ?: throw HabitNotFoundException() }
+        val h = habits[position]
+        val widget = constructWidget(h, prefs)
+        widget.setDimensions(getDimensionsFromOptions(context, options))
+        val landscapeViews = widget.landscapeRemoteViews
+        val portraitViews = widget.portraitRemoteViews
+        val factory = PendingIntentFactory(context, IntentFactory())
+        val intent = StackWidgetType.getIntentFillIn(factory, widgetType, h, habits, getToday())
+        landscapeViews.setOnClickFillInIntent(R.id.button, intent)
+        portraitViews.setOnClickFillInIntent(R.id.button, intent)
+        val remoteViews = RemoteViews(landscapeViews, portraitViews)
+        Log.i("StackRemoteViewsFactory", "getViewAt $position ended")
+        return remoteViews
     }
 
     private fun constructWidget(
@@ -131,24 +151,6 @@ internal class StackRemoteViewsFactory(private val context: Context, intent: Int
     }
 
     override fun onDataSetChanged() {
-        Log.i("StackRemoteViewsFactory", "onDataSetChanged started")
-        val app = context.applicationContext as HabitsApplication
-        val prefs = app.component.preferences
-        val habitList = app.component.habitList
-        val options = AppWidgetManager.getInstance(context).getAppWidgetOptions(widgetId)
-        val newRemoteViews = ArrayList<RemoteViews>()
-        if (Looper.myLooper() == null) Looper.prepare()
-        for (id in habitIds) {
-            val h = habitList.getById(id) ?: throw HabitNotFoundException()
-            val widget = constructWidget(h, prefs)
-            widget.setDimensions(getDimensionsFromOptions(context, options))
-            val landscapeViews = widget.landscapeRemoteViews
-            val portraitViews = widget.portraitRemoteViews
-            newRemoteViews.add(RemoteViews(landscapeViews, portraitViews))
-            Log.i("StackRemoteViewsFactory", "onDataSetChanged constructed widget $id")
-        }
-        remoteViews = newRemoteViews
-        Log.i("StackRemoteViewsFactory", "onDataSetChanged ended")
     }
 
     init {

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

@@ -18,7 +18,12 @@
  */
 package org.isoron.uhabits.widgets
 
+import android.app.PendingIntent
+import android.content.Intent
 import org.isoron.uhabits.R
+import org.isoron.uhabits.core.models.Habit
+import org.isoron.uhabits.core.models.Timestamp
+import org.isoron.uhabits.intents.PendingIntentFactory
 import java.lang.IllegalStateException
 
 enum class StackWidgetType(val value: Int) {
@@ -73,5 +78,39 @@ enum class StackWidgetType(val value: Int) {
                 else -> throw IllegalStateException()
             }
         }
+
+        fun getPendingIntentTemplate(
+            factory: PendingIntentFactory,
+            widgetType: StackWidgetType,
+            habits: List<Habit>
+        ): PendingIntent {
+            val containsNumerical = habits.any { it.isNumerical }
+            return when (widgetType) {
+                CHECKMARK -> if (containsNumerical) {
+                    factory.showNumberPickerTemplate()
+                } else {
+                    factory.toggleCheckmarkTemplate()
+                }
+                FREQUENCY, SCORE, HISTORY, STREAKS, TARGET -> factory.showHabitTemplate()
+            }
+        }
+
+        fun getIntentFillIn(
+            factory: PendingIntentFactory,
+            widgetType: StackWidgetType,
+            habit: Habit,
+            allHabitsInStackWidget: List<Habit>,
+            timestamp: Timestamp
+        ): Intent {
+            val containsNumerical = allHabitsInStackWidget.any { it.isNumerical }
+            return when (widgetType) {
+                CHECKMARK -> if (containsNumerical) {
+                    factory.showNumberPickerFillIn(habit, timestamp)
+                } else {
+                    factory.toggleCheckmarkFillIn(habit, timestamp)
+                }
+                FREQUENCY, SCORE, HISTORY, STREAKS, TARGET -> factory.showHabitFillIn(habit)
+            }
+        }
     }
 }

uhabits-android/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -21,4 +21,5 @@
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
     <background android:drawable="@color/ic_launcher_background"/>
     <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <monochrome android:drawable="@mipmap/ic_launcher_monochrome"/>
 </adaptive-icon>

uhabits-core/src/commonMain/kotlin/org/isoron/platform/utils/StringUtils.kt

@@ -25,6 +25,12 @@ class StringUtils {
 
         fun joinLongs(values: LongArray): String = values.joinToString(separator = ",")
 
-        fun splitLongs(str: String): LongArray = str.split(",").map { it.toLong() }.toLongArray()
+        fun splitLongs(str: String): LongArray {
+            return try {
+                str.split(",").map { it.toLong() }.toLongArray()
+            } catch (e: NumberFormatException) {
+                LongArray(0)
+            }
+        }
     }
 }

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/ui/screens/habits/show/views/FrequencyCard.kt

@@ -30,6 +30,7 @@ data class FrequencyCardState(
     val firstWeekday: Int,
     val frequency: HashMap<Timestamp, Array<Int>>,
     val theme: Theme,
+    val isNumerical: Boolean
 )
 
 class FrequencyCardPresenter {
@@ -40,6 +41,7 @@ class FrequencyCardPresenter {
             theme: Theme
         ) = FrequencyCardState(
             color = habit.color,
+            isNumerical = habit.isNumerical,
             frequency = habit.originalEntries.computeWeekdayFrequency(
                 isNumerical = habit.isNumerical
             ),

uhabits-core/src/jvmMain/java/org/isoron/uhabits/core/ui/views/BarChart.kt

@@ -92,7 +92,7 @@ class BarChart(
             val r = round(barWidth * 0.15)
             if (2 * r < barHeight) {
                 canvas.fillRect(x, y + r, barWidth, barHeight - r)
-                canvas.fillRect(x + r, y, barWidth - 2 * r, r)
+                canvas.fillRect(x + r, y, barWidth - 2 * r, r + 1)
                 canvas.fillCircle(x + r, y + r, r)
                 canvas.fillCircle(x + barWidth - r, y + r, r)
             } else {