Maintain existing widget configuration on upgrade

app/src/main/java/com/todoroo/astrid/service/Upgrader.java

@@ -46,6 +46,8 @@ import org.tasks.data.UserActivityDao;
 import org.tasks.injection.ForApplication;
 import org.tasks.preferences.DefaultFilterProvider;
 import org.tasks.preferences.Preferences;
+import org.tasks.widget.AppWidgetManager;
+import org.tasks.widget.WidgetPreferences;
 
 public class Upgrader {
 
@@ -62,6 +64,7 @@ public class Upgrader {
   public static final int V8_2 = 675;
   private static final int V8_5 = 700;
   private static final int V8_8 = 717;
+  private static final int V8_10 = 735;
   private final Context context;
   private final Preferences preferences;
   private final Tracker tracker;
@@ -76,6 +79,7 @@ public class Upgrader {
   private final TaskDao taskDao;
   private final LocationDao locationDao;
   private final iCalendar iCal;
+  private final AppWidgetManager widgetManager;
 
   @Inject
   public Upgrader(
@@ -92,7 +96,8 @@ public class Upgrader {
       CaldavDao caldavDao,
       TaskDao taskDao,
       LocationDao locationDao,
-      iCalendar iCal) {
+      iCalendar iCal,
+      AppWidgetManager widgetManager) {
     this.context = context;
     this.preferences = preferences;
     this.tracker = tracker;
@@ -107,6 +112,7 @@ public class Upgrader {
     this.taskDao = taskDao;
     this.locationDao = locationDao;
     this.iCal = iCal;
+    this.widgetManager = widgetManager;
   }
 
   public void upgrade(int from, int to) {
@@ -127,6 +133,7 @@ public class Upgrader {
         preferences.setBoolean(R.string.p_linkify_task_edit, true);
         preferences.setBoolean(R.string.p_auto_dismiss_datetime_edit_screen, true);
       });
+      run(from, V8_10, this::migrateWidgets);
     }
     preferences.setCurrentVersion(to);
   }
@@ -138,6 +145,13 @@ public class Upgrader {
     }
   }
 
+  private void migrateWidgets() {
+    for (int widgetId : widgetManager.getWidgetIds()) {
+      WidgetPreferences widgetPreferences = new WidgetPreferences(context, preferences, widgetId);
+      widgetPreferences.maintainExistingConfiguration();
+    }
+  }
+
   private void migrateColors() {
     preferences.setInt(
         R.string.p_theme_color, getAndroidColor(preferences.getInt(R.string.p_theme_color, 7)));

app/src/main/java/org/tasks/widget/WidgetPreferences.java

@@ -51,8 +51,7 @@ public class WidgetPreferences {
   }
 
   public int getDueDatePosition() {
-    int defaultValue = getBoolean(R.string.p_widget_show_due_date, true) ? 0 : 2;
-    return getIntegerFromString(R.string.p_widget_due_date_position, defaultValue);
+    return getIntegerFromString(R.string.p_widget_due_date_position, 0);
   }
 
   int getWidgetSpacing() {
@@ -92,29 +91,23 @@ public class WidgetPreferences {
   }
 
   int getHeaderOpacity() {
-    int headerOpacity = getInt(R.string.p_widget_header_opacity, -1);
-    return headerOpacity >= 0 && headerOpacity <= 100
-        ? getAlphaValue(headerOpacity)
-        : getRowOpacity();
+    return getAlphaValue(R.string.p_widget_header_opacity);
   }
 
   int getFooterOpacity() {
-    int footerOpacity = getInt(R.string.p_widget_footer_opacity, -1);
-    return footerOpacity >= 0 && footerOpacity <= 100
-        ? getAlphaValue(footerOpacity)
-        : getRowOpacity();
+    return getAlphaValue(R.string.p_widget_footer_opacity);
   }
 
   int getRowOpacity() {
-    return getAlphaValue(getInt(R.string.p_widget_opacity, 100));
+    return getAlphaValue(R.string.p_widget_opacity);
   }
 
   boolean openOnEmptySpaceClick() {
     return getIntegerFromString(R.string.p_widget_empty_space_click, 0) == 1;
   }
 
-  private int getAlphaValue(int percentage) {
-    return (int) (percentage / 100.0 * 255.0);
+  private int getAlphaValue(int resId) {
+    return (int) (getInt(resId, 100) / 100.0 * 255.0);
   }
 
   public void setTheme(int index) {
@@ -148,4 +141,24 @@ public class WidgetPreferences {
   private void setInt(int resId, int value) {
     preferences.setInt(getKey(resId), value);
   }
+
+  private void setBoolean(int resId, boolean value) {
+    preferences.setBoolean(getKey(resId), value);
+  }
+
+  private void setString(int resId, String value) {
+    preferences.setString(getKey(resId), value);
+  }
+
+  public void maintainExistingConfiguration() {
+    int rowOpacity = getInt(R.string.p_widget_opacity, 100);
+    setInt(R.string.p_widget_header_opacity, rowOpacity);
+    setInt(R.string.p_widget_footer_opacity, rowOpacity);
+    boolean showDueDate = getBoolean(R.string.p_widget_show_due_date, true);
+    setString(R.string.p_widget_due_date_position, showDueDate ? "1" : "2"); // below or hidden
+    setBoolean(R.string.p_widget_show_dividers, false); // no dividers
+    setBoolean(R.string.p_widget_show_menu, false); // no menu
+    setString(R.string.p_widget_spacing, "1"); // compact
+    setBoolean(R.string.p_widget_show_description, false); // no description
+  }
 }

app/src/main/res/layout/scrollable_widget.xml

@@ -54,7 +54,7 @@
       android:layout_toEndOf="@id/widget_change_list"
       android:layout_toStartOf="@id/widget_reconfigure"
       android:ellipsize="end"
-      tools:text="Today"
+      tools:text="@string/BFE_Active"
       android:gravity="start|center_vertical"
       android:maxLines="2"
       android:textAlignment="viewStart"