Hide widget stacks feature for non-developers

android/uhabits-android/src/androidTest/java/org/isoron/uhabits/acceptance/WidgetTest.java

@@ -36,7 +36,6 @@ public class WidgetTest extends BaseUserInterfaceTest
     {
         dragCheckmarkWidgetToHomeScreen();
         clickText("Wake up early");
-        clickText("Save");
         verifyCheckmarkWidgetIsShown();
         clickCheckmarkWidget();
 

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

@@ -38,6 +38,7 @@ public abstract class BaseWidgetProvider extends AppWidgetProvider
 {
     private HabitList habits;
 
+    private Preferences preferences;
     private WidgetPreferences widgetPrefs;
 
     public static void updateAppWidget(@NonNull AppWidgetManager manager,
@@ -122,10 +123,14 @@ public abstract class BaseWidgetProvider extends AppWidgetProvider
         if (context == null) throw new RuntimeException("context is null");
         if (manager == null) throw new RuntimeException("manager is null");
         if (widgetIds == null) throw new RuntimeException("widgetIds is null");
-        context.setTheme(R.style.OpaqueWidgetTheme);
-
         updateDependencies(context);
 
+        if(preferences.isWidgetStackEnabled()) {
+            context.setTheme(R.style.OpaqueWidgetTheme);
+        } else {
+            context.setTheme(R.style.TransparentWidgetTheme);
+        }
+
         new Thread(() ->
         {
             Looper.prepare();
@@ -193,6 +198,7 @@ public abstract class BaseWidgetProvider extends AppWidgetProvider
         HabitsApplication app =
             (HabitsApplication) context.getApplicationContext();
         habits = app.getComponent().getHabitList();
+        preferences = app.getComponent().getPreferences();
         widgetPrefs = app.getComponent().getWidgetPreferences();
     }
 }

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

@@ -26,28 +26,25 @@ import android.os.*
 import android.widget.*
 import android.widget.AbsListView.*
 import org.isoron.uhabits.*
-import org.isoron.uhabits.core.models.*
 import org.isoron.uhabits.core.preferences.*
 import java.util.*
 
 class HabitPickerDialog : Activity() {
 
     private var widgetId = 0
-    private lateinit var habitList: HabitList
-    private lateinit var preferences: WidgetPreferences
-    private lateinit var habitIds: ArrayList<Long>
+    private lateinit var widgetPreferences: WidgetPreferences
     private lateinit var widgetUpdater: WidgetUpdater
-    private lateinit var listView: ListView
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         val component = (applicationContext as HabitsApplication).component
-        habitList = component.habitList
-        preferences = component.widgetPreferences
+        val habitList = component.habitList
+        val preferences = component.preferences
+        widgetPreferences = component.widgetPreferences
         widgetUpdater = component.widgetUpdater
         widgetId = intent.extras?.getInt(EXTRA_APPWIDGET_ID, INVALID_APPWIDGET_ID) ?: 0
 
-        habitIds = ArrayList()
+        val habitIds = ArrayList<Long>()
         val habitNames = ArrayList<String>()
         for (h in habitList) {
             if (h.isArchived) continue
@@ -56,30 +53,47 @@ class HabitPickerDialog : Activity() {
         }
 
         setContentView(R.layout.widget_configure_activity)
-        listView = findViewById(R.id.listView) as ListView
+        val listView = findViewById<ListView>(R.id.listView)
+        val saveButton = findViewById<Button>(R.id.buttonSave)
 
-        with(listView) {
-            adapter = ArrayAdapter(context, android.R.layout.simple_list_item_multiple_choice, habitNames)
-            choiceMode = CHOICE_MODE_MULTIPLE
-            itemsCanFocus = false
-        }
-
-        with(findViewById(R.id.buttonSave) as Button) {
-            setOnClickListener({
+        if(preferences.isWidgetStackEnabled) {
+            with(listView) {
+                adapter = ArrayAdapter(context,
+                                       android.R.layout.simple_list_item_multiple_choice,
+                                       habitNames)
+                choiceMode = CHOICE_MODE_MULTIPLE
+                itemsCanFocus = false
+            }
+            saveButton.setOnClickListener {
                 val selectedIds = mutableListOf<Long>()
                 for (i in 0..listView.count) {
                     if (listView.isItemChecked(i)) {
                         selectedIds.add(habitIds[i])
                     }
                 }
-
-                preferences.addWidget(widgetId, selectedIds.toLongArray())
-                widgetUpdater.updateWidgets()
-                setResult(Activity.RESULT_OK, Intent().apply {
-                    putExtra(EXTRA_APPWIDGET_ID, widgetId)
-                })
-                finish()
-            })
+                confirm(selectedIds)
+            }
+        } else {
+            saveButton.visibility = GONE
+            with(listView) {
+                adapter = ArrayAdapter(context,
+                                       android.R.layout.simple_list_item_1,
+                                       habitNames)
+                choiceMode = CHOICE_MODE_SINGLE
+                itemsCanFocus = false
+            }
+            listView.setOnItemClickListener { _, _, position, _ ->
+                confirm(listOf(habitIds[position]))
+            }
         }
     }
+
+    fun confirm(selectedIds: List<Long>) {
+        widgetPreferences.addWidget(widgetId, selectedIds.toLongArray())
+        widgetUpdater.updateWidgets()
+        setResult(RESULT_OK, Intent().apply {
+            putExtra(EXTRA_APPWIDGET_ID, widgetId)
+        })
+        finish()
+    }
 }

android/uhabits-android/src/main/res/xml/preferences.xml

@@ -153,6 +153,11 @@
             android:key="pref_developer"
             android:title="Enable developer mode"/>
 
+        <CheckBoxPreference
+                android:defaultValue="false"
+                android:key="pref_feature_widget_stack"
+                android:title="Enable widget stacks"/>
+
         <CheckBoxPreference
             android:defaultValue="false"
             android:key="pref_feature_sync"

android/uhabits-core/src/main/java/org/isoron/uhabits/core/preferences/Preferences.java

@@ -255,6 +255,11 @@ public class Preferences
         for (Listener l : listeners) l.onSyncFeatureChanged();
     }
 
+    public boolean isWidgetStackEnabled()
+    {
+        return storage.getBoolean("pref_feature_widget_stack", false);
+    }
+
     public void removeListener(Listener listener)
     {
         listeners.remove(listener);