From 5abce3c536bec827f49e8e4ad8795c0e3bc9f24e Mon Sep 17 00:00:00 2001
From: qlrd <106913782+qlrd@users.noreply.github.com>
Date: Sun, 29 Oct 2023 13:47:05 -0300
Subject: [PATCH 1/3] added 'unload_zbarcam' that unload zbarcam.kv and
 xcamera.kv files

---
 src/kivy_garden/zbarcam/zbarcam.py | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/src/kivy_garden/zbarcam/zbarcam.py b/src/kivy_garden/zbarcam/zbarcam.py
index 67d57e4..410d2fe 100644
--- a/src/kivy_garden/zbarcam/zbarcam.py
+++ b/src/kivy_garden/zbarcam/zbarcam.py
@@ -1,3 +1,4 @@
+import sys
 import os
 from collections import namedtuple
 
@@ -210,3 +211,19 @@ def stop(self):
         self.xcamera.play = False
         if platform == "android":
             self.xcamera._camera._release_camera()
+
+    def unload_zbarcam(self):
+        id ZBarCam.kv_loaded:
+            # unload zbarcam.kv
+            zbar_kv_path = os.path.join(MODULE_DIRECTORY, 'zbarcam.kv')
+            Builder.unload_file(zbar_kv_path)
+
+            # unload xcamera.kv
+            mod_path = os.path.dirname(
+                sys.modules['kivy_garden.xcamera'].__file__
+            )
+            xcam_kv_path = os.path.join(mod_path, 'xcamera.kv')
+            Builder.unload_file(xcam_kv_path)
+
+            # set kv_loaded = false
+            ZBarCam.kv_loaded = False

From 5f3326a87625ca59c6ba6863b2c61a6646f74cc2 Mon Sep 17 00:00:00 2001
From: qlrd <106913782+qlrd@users.noreply.github.com>
Date: Sun, 29 Oct 2023 21:40:32 +0000
Subject: [PATCH 2/3] Update zbarcam.py

Fixed typo: `id` to `if` on `unload_zbarcam method
---
 src/kivy_garden/zbarcam/zbarcam.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/kivy_garden/zbarcam/zbarcam.py b/src/kivy_garden/zbarcam/zbarcam.py
index 410d2fe..ec59381 100644
--- a/src/kivy_garden/zbarcam/zbarcam.py
+++ b/src/kivy_garden/zbarcam/zbarcam.py
@@ -213,7 +213,7 @@ def stop(self):
             self.xcamera._camera._release_camera()
 
     def unload_zbarcam(self):
-        id ZBarCam.kv_loaded:
+        if ZBarCam.kv_loaded:
             # unload zbarcam.kv
             zbar_kv_path = os.path.join(MODULE_DIRECTORY, 'zbarcam.kv')
             Builder.unload_file(zbar_kv_path)

From 6d2f27d5c88181763aba3fde8636bcd721003084 Mon Sep 17 00:00:00 2001
From: qlrd <106913782+qlrd@users.noreply.github.com>
Date: Mon, 30 Oct 2023 09:16:21 -0300
Subject: [PATCH 3/3] updated

added release device step for non android devices in  method

changed  method to
---
 src/kivy_garden/zbarcam/zbarcam.py | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/src/kivy_garden/zbarcam/zbarcam.py b/src/kivy_garden/zbarcam/zbarcam.py
index ec59381..c443259 100644
--- a/src/kivy_garden/zbarcam/zbarcam.py
+++ b/src/kivy_garden/zbarcam/zbarcam.py
@@ -208,22 +208,37 @@ def start(self):
         self.xcamera.play = True
 
     def stop(self):
+        """
+        Stop xcamera, release device and unload
+        zbarcam.kv and xcamera.kv
+        """
         self.xcamera.play = False
+
+        # release device and unload kivy files
+        # in non android devices
+        if platform != "android":
+            self.xcamera._camera._device.release()
+            self._unload()
+
+        # release device in android devices
         if platform == "android":
             self.xcamera._camera._release_camera()
 
-    def unload_zbarcam(self):
+    def _unload(self):
+        """
+        Unload `zbarcam.kv` and `xcamera.kv` files
+        """
         if ZBarCam.kv_loaded:
             # unload zbarcam.kv
             zbar_kv_path = os.path.join(MODULE_DIRECTORY, 'zbarcam.kv')
             Builder.unload_file(zbar_kv_path)
 
             # unload xcamera.kv
-            mod_path = os.path.dirname(
-                sys.modules['kivy_garden.xcamera'].__file__
-            )
-            xcam_kv_path = os.path.join(mod_path, 'xcamera.kv')
+            module_path = sys.modules['kivy_garden.xcamera'].__file__
+            module_directory = os.path.dirname(module_path)
+            xcam_kv_path = os.path.join(module_directory, 'xcamera.kv')
             Builder.unload_file(xcam_kv_path)
 
-            # set kv_loaded = false
-            ZBarCam.kv_loaded = False
+            # sets kv_loaded
+            ZBarcam.kv_loaded = False
+