diff --git a/app/src/main/java/net/foucry/pilldroid/Utils.java b/app/src/main/java/net/foucry/pilldroid/Utils.java
index 623b2df..ad179a8 100644
--- a/app/src/main/java/net/foucry/pilldroid/Utils.java
+++ b/app/src/main/java/net/foucry/pilldroid/Utils.java
@@ -3,6 +3,7 @@ package net.foucry.pilldroid;
 import net.foucry.pilldroid.models.Medicine;
 import net.foucry.pilldroid.models.Prescription;
 
+import java.util.Comparator;
 import java.util.Date;
 import java.util.List;
 import java.util.Locale;
@@ -48,12 +49,75 @@ public class Utils {
     }
 
     public static void sortPrescriptionList(List<Prescription> prescriptionList) {
-        prescriptionList.sort((lhs, rhs) -> {
-            if (lhs.getDateEndOfStock().compareTo(rhs.getDateEndOfStock()) != 0)
-                return lhs.getDateEndOfStock().compareTo(rhs.getDateEndOfStock());
-            else
-                return (int) (lhs.getStock() - rhs.getStock());
+        prescriptionList.sort(new Comparator<>() {
+            @Override
+            public int compare(Prescription lhs, Prescription rhs) {
+                if (lhs.getDateEndOfStock().compareTo(rhs.getDateEndOfStock()) != 0)
+                    return lhs.getDateEndOfStock().compareTo(rhs.getDateEndOfStock());
+                else
+                    return (int) (lhs.getStock() - rhs.getStock());
+            }
+    if(id == R.id.action_save_db) {
         });
     }
 
+    public void backupDB() {
+    int permission = ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE);
+    if(permission == PackageManager.PERMISSION_GRANTED) {
+        //AppDatabase.getInstance(this).getDatabase().close();
+        PrescriptionDatabase.getInstanceDatabase(this).getDatabase().close();
+
+        File db = getDatabasePath("PrescriptionDatabase");
+        File dbShm = new File(db.getParent(), "PrescriptionDatabase-shm");
+        File dbWal = new File(db.getParent(), "PrescriptionDatabase-wal");
+
+        File db2 = new File("/sdcard/", "PrescriptionDatabase");
+        File dbShm2 = new File(db2.getParent(), "PrescriptionDatabase-shm");
+        File dbWal2 = new File(db2.getParent(), "PrescriptionDatabase-wal");
+
+        try {
+            FileUtils.copyFile(db, db2);
+            FileUtils.copyFile(dbShm, dbShm2);
+            FileUtils.copyFile(dbWal, dbWal2);
+        } catch (Exception e) {
+            Log.e("SAVEDB", e.toString());
+        }
+    } else {
+        Snackbar.make(mDrawer, "Please allow access to your storage", Snackbar.LENGTH_LONG)
+                .setAction("Allow", view -> ActivityCompat.requestPermissions(this, new String[] {
+                        Manifest.permission.WRITE_EXTERNAL_STORAGE
+                }, 0)).show();
+    }
+    }
+
+    public void restoreDB ()
+    {
+    int permission = ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE);
+    if(permission == PackageManager.PERMISSION_GRANTED) {
+        //AppDatabase.getInstance(this).getDatabase().close();
+        PrescriptionDatabase.getInstanceDatabase(this).getDatabase().close();
+
+        File db = new File("/sdcard/", "PrescriptionDatabaseb");
+        File dbShm = new File(db.getParent(), "PrescriptionDatabase-shm");
+        File dbWal = new File(db.getParent(), "PrescriptionDatabase-wal");
+
+        File db2 = getDatabasePath("PrescriptionDatabase");
+        File dbShm2 = new File(db2.getParent(), "PrescriptionDatabase-shm");
+        File dbWal2 = new File(db2.getParent(), "PrescriptionDatabase-wal");
+
+        try {
+            FileUtils.copyFile(db, db2);
+            FileUtils.copyFile(dbShm, dbShm2);
+            FileUtils.copyFile(dbWal, dbWal2);
+        } catch (Exception e) {
+            Loge("RESTOREDB", e.toString());
+        }
+    } else {
+        Snackbar.make(mDrawer, "Please allow access to your storage", Snackbar.LENGTH_LONG)
+                .setAction("Allow", view -> ActivityCompat.requestPermissions(this, new String[] {
+                        Manifest.permission.READ_EXTERNAL_STORAGE
+                }, 0)).show();
+    }
+ }
+
 }