Allow StyledResources to receive a fixed theme for testing

app/src/androidTest/java/org/isoron/uhabits/BaseAndroidTest.java

@@ -116,6 +116,7 @@ public class BaseAndroidTest
     protected void setTheme(@StyleRes int themeId)
     {
         targetContext.setTheme(themeId);
+        StyledResources.setFixedTheme(themeId);
     }
 
     protected void sleep(int time)

app/src/androidTest/java/org/isoron/uhabits/widgets/views/CheckmarkWidgetViewTest.java

@@ -45,6 +45,7 @@ public class CheckmarkWidgetViewTest extends BaseViewTest
     public void setUp()
     {
         super.setUp();
+        setTheme(R.style.TransparentWidgetTheme);
 
         habit = fixtures.createShortHabit();
         view = new CheckmarkWidgetView(targetContext);

app/src/main/java/org/isoron/uhabits/utils/StyledResources.java

@@ -28,6 +28,8 @@ import org.isoron.uhabits.*;
 
 public class StyledResources
 {
+    private static Integer fixedTheme;
+
     private final Context context;
 
     public StyledResources(@NonNull Context context)
@@ -35,6 +37,11 @@ public class StyledResources
         this.context = context;
     }
 
+    public static void setFixedTheme(Integer theme)
+    {
+        fixedTheme = theme;
+    }
+
     public boolean getBoolean(@AttrRes int attrId)
     {
         TypedArray ta = getTypedArray(attrId);
@@ -92,9 +99,8 @@ public class StyledResources
     {
         int[] attrs = new int[]{ attrId };
 
-//        Integer fixedTheme = ThemeSwitcher.fixedTheme;
-//        if (fixedTheme != null)
-//            return context.getTheme().obtainStyledAttributes(fixedTheme, attrs);
+        if (fixedTheme != null)
+            return context.getTheme().obtainStyledAttributes(fixedTheme, attrs);
 
         return context.obtainStyledAttributes(attrs);
     }