Applied several fixes over the initial commit.

file-system/file-system-access.android.ts

@@ -187,6 +187,11 @@ export class FileSystemAccess {
         return dir.getAbsolutePath();
     }
 
+    public getLogicalRootPath(): string {
+        var dir = utils.ad.getApplicationContext().getFilesDir();
+        return dir.getCanonicalPath();
+    }
+
     public getTempFolderPath(): string {
         var dir = utils.ad.getApplicationContext().getCacheDir();
         return dir.getAbsolutePath();

file-system/file-system-access.d.ts

@@ -99,6 +99,11 @@
          */
         getTempFolderPath(): string;
 
+        /**
+         * Gets the path to the logical root of the application - that is /path/to/appfiles/app.
+         */
+        getLogicalRootPath(): string;
+
         /**
          * Reads a text from a file with a given path.
          * @param path The path to the source file.

file-system/file-system-access.ios.ts

@@ -214,6 +214,10 @@ export class FileSystemAccess {
         }
     }
 
+    public getLogicalRootPath(): string {
+        return NSBundle.mainBundle().bundlePath;
+    }
+
     public getDocumentsFolderPath(): string {
         return this.getKnownPath(this.documentDir);
     }

file-system/file-system.ts

@@ -443,10 +443,9 @@ export module knownFolders {
 
     export var currentApp = function (): Folder {
         if (!_app) {
-            var utils: typeof utilsModule = require("utils/utils");
-            var filesDir = utils.ad.getApplicationContext().getFilesDir().getCanonicalPath();
+            var logicalRoot = getFileAccess().getLogicalRootPath();
             _app = new Folder();
-            _app[pathProperty] = filesDir + "/app/";
+            _app[pathProperty] = logicalRoot + "/app";
             _app[isKnownProperty] = true;
         }
 

ui/styling/background.android.ts

@@ -173,6 +173,8 @@ export module ad {
             return;
         }
 
+        ensureBorderDrawable();
+
         var style: typeof styleModule = require("./style");
 
         var backgroundValue = v.style._getValue(style.backgroundInternalProperty);