rk3588 安卓13 暴露相机开关接口

以前不知道有个系统属性可以做，后面的代码我几乎都用系统属性来写，比写个额外的广播接口方便多了。

实现一个相机的开关接口给上层调用，也就是打开后，上层无法再调用相机，关闭后可以正常打开，无需重启，直接贴代码

diff --git a/core/java/android/hardware/Camera.java b/core/java/android/hardware/Camera.java
index f6697134bfa6..eee994271221 100644
--- a/core/java/android/hardware/Camera.java
+++ b/core/java/android/hardware/Camera.java
@@ -51,6 +51,7 @@ import android.util.Log;
 import android.view.Surface;
 import android.view.SurfaceHolder;
 
+import android.os.SystemProperties;//add LQX
 import com.android.internal.R;
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.app.IAppOpsCallback;
@@ -396,6 +397,13 @@ public class Camera {
      * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName)
      */
     public static Camera open(int cameraId) {
+
+        // LQX
+        if(SystemProperties.get("persist.sys.disablecamera").equals("true")){
+            Log.d(TAG, "camera sensor is close" + "LQX");
+            return null;
+        }
+        // LQX
         return new Camera(cameraId);
     }
 
@@ -409,6 +417,12 @@ public class Camera {
      * @see #open(int)
      */
     public static Camera open() {
+        //add
+        if(SystemProperties.get("persist.sys.disablecamera").equals("true")){
+            Log.d(TAG, "camera sensor is close" + "LQX");
+            return null;
+        }
+        // end
         int numberOfCameras = getNumberOfCameras();
         CameraInfo cameraInfo = new CameraInfo();
         for (int i = 0; i < numberOfCameras; i++) {
@@ -463,7 +477,12 @@ public class Camera {
         if (halVersion < CAMERA_HAL_API_VERSION_3_0) {
             throw new IllegalArgumentException("Unsupported HAL version " + halVersion);
         }
-
+        // add
+        if(SystemProperties.get("persist.sys.disablecamera").equals("true")){
+            Log.d(TAG, "camera sensor is close" + "LQX");
+            return null;
+        }
+        // end
         return new Camera(cameraId);
     }
 
@@ -532,6 +551,12 @@ public class Camera {
      * @hide
      */
     public static Camera openUninitialized() {
+        // add
+        if(SystemProperties.get("persist.sys.disablecamera").equals("true")){
+            Log.d(TAG, "camera sensor is close" + "LQX");
+            return null;
+        }
+        //end
         return new Camera();
     }
 
diff --git a/core/java/android/hardware/camera2/CameraManager.java b/core/java/android/hardware/camera2/CameraManager.java
index 56592ab43143..d885894dd106 100644
--- a/core/java/android/hardware/camera2/CameraManager.java
+++ b/core/java/android/hardware/camera2/CameraManager.java
@@ -720,6 +720,13 @@ public final class CameraManager {
             final int oomScoreOffset) throws CameraAccessException {
         CameraCharacteristics characteristics = getCameraCharacteristics(cameraId);
         CameraDevice device = null;
+        //add
+        if(SystemProperties.get("persist.sys.disablecamera").equals("true")){
+            Log.d(TAG, "camera2 sensor is close" + "LQX");
+
+            return null;
+        }
+        // end
         Map<String, CameraCharacteristics> physicalIdsToChars =
                 getPhysicalIdToCharsMap(characteristics);
         synchronized (mLock) {