diff --git a/MyAnalysisCamera2.java b/MyAnalysisCamera2.java
new file mode 100644
index 0000000..3f32ce8
--- /dev/null
+++ b/MyAnalysisCamera2.java
@@ -0,0 +1,138 @@
+package com.nii.soot.CFGCamera2Analyser;
+
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Set;
+
+import soot.*;
+import soot.jimple.*;
+import soot.jimple.internal.*;
+import soot.toolkits.graph.*;
+import soot.options.Options;
+import soot.tagkit.LineNumberTag;
+import soot.tagkit.Tag;
+import soot.toolkits.graph.CompleteBlockGraph;
+import soot.toolkits.scalar.ArraySparseSet;
+import soot.util.Chain;
+import soot.util.HashChain;
+
+public class MyAnalysisCamera2 extends BodyTransformer {
+
+	protected void internalTransform(final Body body,String phase, @SuppressWarnings("rawtypes")Map options){      
+      for (SootClass c:Scene.v().getApplicationClasses()) {
+//          System.out.println("[sootClass]"+c);
+        for(SootMethod method:c.getMethods())
+        {
+              System.out.println("[sootMethod]"+method);
+
+        	if (method.hasActiveBody()) {
+                Body methodBody = method.getActiveBody();
+                Iterator<Unit> unitIt = methodBody.getUnits().snapshotIterator();
+
+                while (unitIt.hasNext()) {
+                    Stmt stmt = (Stmt) unitIt.next();
+
+                    // 在语句中查找与camera2相关的内容
+                    if (stmt.toString().contains("camera2")) {
+                        System.out.println("Found camera2-related code in method: " + method);
+                    }
+                }
+        	}
+        }
+      }
+	}
+}
+//
+//    	// 获取所有类
+//          Chain<SootClass> classes = Scene.v().getClasses();
+//          Set<SootMethod> methodsWithCamera2Resource = new HashSet<>();
+//
+//          // 遍历所有类
+//          for (SootClass sootClass : classes) {
+//              // 遍历类中的方法
+//              for (SootMethod sootMethod : sootClass.getMethods()) {
+//                  // 分析每个方法是否包含 Camera2 相关资源
+//                  if (sootMethod.hasActiveBody()) {
+//                      if (containsCamera2Resource(sootMethod)) {
+//                          methodsWithCamera2Resource.add(sootMethod);
+//                      }
+//                  }
+//              }
+//          }
+//
+//          if (!methodsWithCamera2Resource.isEmpty()) {
+//              System.out.println("Methods that contain Camera2 resource calls:");
+//              for (SootMethod method : methodsWithCamera2Resource) {
+//                  System.out.println("Class: " + method.getDeclaringClass() + ", Method: " + method);
+//              }
+//          }
+//          else 
+//          {
+//              System.out.println("No methods found that contain Camera2 resource calls.");
+//          }
+//      }
+//  
+//
+//
+//	public static boolean containsCamera2Resource(SootMethod method) {
+//		DirectedGraph<Unit> cfg = new ExceptionalUnitGraph(method.getActiveBody());
+//
+//		for (Unit unit : cfg) {
+//			Stmt stmt = (Stmt) unit;
+//			if (stmt.toString().contains("camera2")) {
+//				return true;
+//			}
+//		}
+//
+//		return false;
+//	}
+//}
+
+//import soot.*;
+//import soot.jimple.Stmt;
+//import soot.jimple.internal.*;
+//import soot.toolkits.graph.*;
+//import soot.toolkits.scalar.ArraySparseSet;
+//import soot.util.Chain;
+//import soot.util.HashChain;
+//
+//import java.util.HashSet;
+//import java.util.Map;
+//import java.util.Set;
+//
+//public class MyAnalysisCamera2 extends BodyTransformer{
+//
+//    protected void internalTransform(final Body body, String phase, @SuppressWarnings("rawtypes") Map options) {
+//        // 创建一个容器，用于存储包含"camera2"资源的方法
+//        Set<SootMethod> methodsWithCamera2Resource = new HashSet<>();
+//
+//        // 创建控制流图
+//        DirectedGraph<Unit> cfg = new ExceptionalUnitGraph(body);
+//
+//        // 遍历控制流图的每个节点
+//        for (Unit unit : cfg) {
+//                Stmt stmt = (Stmt) unit;
+//
+//                // 在语句中查找与"camera2"相关的内容
+//                if (stmt.toString().contains("Camera2")) {
+//                    // 如果找到，将包含该资源的方法添加到容器中
+//                    methodsWithCamera2Resource.add(body.getMethod());
+//                    break; // 中断循环
+//                }
+//            
+//        }
+//
+//        if(methodsWithCamera2Resource.isEmpty())
+//        {
+//        	System.out.println("There is no method to involve camera2 resources.");
+//        }
+//        else
+//        {
+//	        // 在这里，你可以根据需要处理或记录methodsWithCamera2Resource中的方法
+//	        for (SootMethod method : methodsWithCamera2Resource) {
+//	            System.out.println("Method with camera2 resource: " + method);
+//	        }
+//        }
+//    }
+//}