diff --git a/app/src/main/java/rocks/poopjournal/morse/MainActivity.java b/app/src/main/java/rocks/poopjournal/morse/MainActivity.java
index a9a9402..4393e58 100644
--- a/app/src/main/java/rocks/poopjournal/morse/MainActivity.java
+++ b/app/src/main/java/rocks/poopjournal/morse/MainActivity.java
@@ -513,7 +513,7 @@ protected void onCreate(Bundle savedInstanceState) {
 
 
                     if (!Build.MANUFACTURER.equals("HUAWEI")) {
-                        camera = Camera.open();
+                        openCamera();
                     }
 
 
@@ -528,10 +528,7 @@ protected void onCreate(Bundle savedInstanceState) {
                             turnOff();
                         }
                     }
-
-                    camera.release();
-                    camera = null;
-
+                    releaseCamera();
                 }
             } else {
                 if (!TextUtils.isEmpty(input.getText().toString())) {
@@ -561,8 +558,7 @@ protected void onCreate(Bundle savedInstanceState) {
                             turnOff();
                         }
                     }
-                    camera.release();
-                    camera = null;
+                    releaseCamera();
                 }
             }
         });
@@ -997,7 +993,7 @@ public void onAutoFocus(boolean b, Camera camera) {
     public void turnOn() {
         try {
             if (android.os.Build.MANUFACTURER.equals("HUAWEI")) {
-                camera = Camera.open();
+                openCamera();
             }
 
             Log.d("cameraMorseCheck","turning camera on at " + System.currentTimeMillis());
@@ -1234,7 +1230,7 @@ private boolean setKeySelectedForTelegraph(MotionEvent event) {
                 telegraphPlayer.start();
             } else {
                 time = System.currentTimeMillis();
-                camera = Camera.open();
+                openCamera();
                 turnOn();
             }
             return true;
@@ -1255,14 +1251,12 @@ private boolean setKeySelectedForTelegraph(MotionEvent event) {
 
                 if (System.currentTimeMillis() - time >= 200) {
                     turnOff();
-                    camera.release();
-                    camera = null;
+                    releaseCamera();
                 } else {
                     final Handler handler = new Handler(Looper.getMainLooper());
                     handler.postDelayed(() -> {
                         turnOff();
-                        camera.release();
-                        camera = null;
+                        releaseCamera();
                     }, 100);
                 }
             }
@@ -1270,4 +1264,15 @@ private boolean setKeySelectedForTelegraph(MotionEvent event) {
         }
         return false;
     }
+
+    private void openCamera() {
+        camera = Camera.open();
+    }
+
+    private void releaseCamera() {
+        if (camera != null) {
+            camera.release();
+            camera = null;
+        }
+    }
 }
diff --git a/build.gradle b/build.gradle
index ff46107..e4e5bfd 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,10 +3,10 @@
 buildscript {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:8.1.1'
+        classpath 'com.android.tools.build:gradle:8.1.2'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -16,7 +16,7 @@ buildscript {
 allprojects {
     repositories {
         google()
-        jcenter()
+        mavenCentral()
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 19b1114..fe68ea7 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
 #Wed Jun 09 15:32:18 PKT 2021
 distributionBase=GRADLE_USER_HOME
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
 distributionPath=wrapper/dists
 zipStorePath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME