change the package name

app/src/main/java/com/simplemobiletools/flashlight/MyCameraImpl.java

@@ -0,0 +1,67 @@
+package com.simplemobiletools.flashlight;
+
+import android.hardware.Camera;
+
+public class MyCameraImpl {
+    private Camera camera;
+    private Camera.Parameters params;
+    private boolean isFlashlightOn;
+    private MyCamera callback;
+
+    public MyCameraImpl(MyCamera camera) {
+        callback = camera;
+        setupCamera();
+    }
+
+    public void toggleFlashlight() {
+        setupCamera();
+        isFlashlightOn = !isFlashlightOn;
+
+        if (isFlashlightOn) {
+            enableFlashlight();
+        } else {
+            disableFlashlight();
+        }
+    }
+
+    public void setupCamera() {
+        if (camera == null) {
+            try {
+                camera = Camera.open();
+                params = camera.getParameters();
+                params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
+                camera.setParameters(params);
+
+                if (isFlashlightOn)
+                    enableFlashlight();
+            } catch (Exception e) {
+                callback.cameraUnavailable();
+            }
+        }
+    }
+
+    private void enableFlashlight() {
+        if (camera == null || params == null)
+            return;
+
+        params.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
+        camera.setParameters(params);
+        callback.enableFlashlight();
+    }
+
+    private void disableFlashlight() {
+        if (camera == null || params == null)
+            return;
+
+        params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
+        camera.setParameters(params);
+        callback.disableFlashlight();
+    }
+
+    public void releaseCamera() {
+        if (camera != null) {
+            camera.release();
+            camera = null;
+        }
+    }
+}