Feature - RTL Support (#844)

Author: quentin41500

library/src/main/java/com/prolificinteractive/materialcalendarview/CalendarPagerView.java

@@ -55,10 +55,6 @@ public CalendarPagerView(
     setClipChildren(false);
     setClipToPadding(false);
 
-    if (LocalUtils.isRTL()) {
-      this.setRotationY(180);
-    }
-
     if (showWeekDays) {
       buildWeekDays(resetAndGetWorkingCalendar());
     }

library/src/main/java/com/prolificinteractive/materialcalendarview/LocalUtils.java

@@ -1,18 +1,15 @@
 package com.prolificinteractive.materialcalendarview;
 
+import android.support.v4.text.TextUtilsCompat;
+import android.support.v4.view.ViewCompat;
 import java.util.Locale;
 
 class LocalUtils {
 
   private LocalUtils() { }
 
   static boolean isRTL() {
-    return isRTL(Locale.getDefault());
-  }
-
-  private static boolean isRTL(Locale locale) {
-    final int directionality = Character.getDirectionality(locale.getDisplayName().charAt(0));
-    return directionality == Character.DIRECTIONALITY_RIGHT_TO_LEFT ||
-        directionality == Character.DIRECTIONALITY_RIGHT_TO_LEFT_ARABIC;
+    return TextUtilsCompat.getLayoutDirectionFromLocale(Locale.getDefault())
+        == ViewCompat.LAYOUT_DIRECTION_RTL;
   }
 }

library/src/main/res/drawable-ldrtl/mcv_action_next.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0"
+    android:width="24dp"
+    >
+  <path
+      android:fillColor="#000000"
+      android:pathData="M15.41,7.41L14,6l-6,6 6,6 1.41,-1.41L10.83,12z"
+      />
+</vector>

library/src/main/res/drawable-ldrtl/mcv_action_previous.xml

@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:viewportHeight="24.0"
+    android:viewportWidth="24.0"
+    android:width="24dp"
+    >
+  <path
+      android:fillColor="#000000"
+      android:pathData="M10,6L8.59,7.41 13.17,12l-4.58,4.59L10,18l6,-6z"
+      />
+</vector>