diff --git a/app/src/main/java/com/ray650128/gstreamer_demo_app/MainActivity.java b/app/src/main/java/com/ray650128/gstreamer_demo_app/MainActivity.java
index 3140cbd..2364de6 100644
--- a/app/src/main/java/com/ray650128/gstreamer_demo_app/MainActivity.java
+++ b/app/src/main/java/com/ray650128/gstreamer_demo_app/MainActivity.java
@@ -36,6 +36,15 @@ public class MainActivity extends AppCompatActivity implements GstCallback {
         binding.buttonStop.setOnClickListener(view -> gstLibrary.stop());
     }
 
+    @Override
+    protected void onPause() {
+        super.onPause();
+
+        if (gstLibrary != null) {
+            gstLibrary.stop();
+        }
+    }
+
     @Override
     protected void onDestroy() {
         super.onDestroy();