platform/android/Rhodes/src/com/rhomobile/rhodes/Utils.java in rhodes-2.0.3 vs platform/android/Rhodes/src/com/rhomobile/rhodes/Utils.java in rhodes-2.1.0

@@ -24,26 +24,26 @@
 			return new FileInputStream(file);
 		}
 	};
 	
 	public static class AssetsSource extends FileSource {
-
-		private AssetManager amgr;
 		
+		private AssetManager am;
+		
 		public AssetsSource(AssetManager a) {
-			amgr = a;
+			am = a;
 		}
 		
 		String[] list(String dir) throws IOException {
-			return amgr.list(dir);
-		};
+			return am.list(dir);
+		}
 		
 		InputStream open(String file) throws IOException {
-			return amgr.open(file);
+			return am.open(file);
 		}
 		
-	}; 
+	};
 	
 	public static String getContent(InputStream in) throws IOException {
 		String retval = "";
 		byte[] buf = new byte[512];
 		while(true) {
@@ -72,24 +72,24 @@
 			if (stream1 != null) stream1.close();
 			if (stream2 != null) stream2.close();
 		}
 	}
 	
-	public static boolean deleteRecursively(File target) {
+	public static void deleteRecursively(File target) throws IOException {
 		if (target.isDirectory()) {
 			String[] children = target.list();
 			for(int i = 0; i != children.length; ++i)
-				if (!deleteRecursively(new File(target, children[i])))
-					return false;
+				deleteRecursively(new File(target, children[i]));
 		}
-		return target.delete();
+		if (!target.delete())
+			throw new IOException("Can not delete " + target.getAbsolutePath());
 	}
 	
 	public static void copyRecursively(FileSource fs, String source, File target, boolean remove) throws IOException
 	{
-		if (remove && target.exists() && !deleteRecursively(target))
-			throw new IOException("Can not delete " + target.getAbsolutePath());
+		if (remove && target.exists())
+			deleteRecursively(target);
 		
 		String[] children = fs.list(source);
 		if (children != null && children.length > 0) {
 			if (!target.exists())
 				target.mkdirs();
@@ -159,7 +159,23 @@
 	public static String getBaseName(String filePath) {
 		if (filePath == null)
 			return null;
 		return new File(filePath).getName();
 	}
-
+	
+	public static boolean isAppHashChanged() {
+		try {
+			RhodesService r = RhodesService.getInstance();
+			File hash = new File(r.getRootPath(), "hash");
+			if (!hash.exists())
+				return true;
+			
+			FileSource as = new AssetsSource(r.getContext().getResources().getAssets());
+			FileSource fs = new FileSource();
+			return !Utils.isContentsEquals(as, "hash", fs, hash.getPath());
+		}
+		catch (IOException e) {
+			return true;
+		}
+	}
+	
 }