com.life.jv.ActivityLifeMethodVisitor Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of lifemonitor Show documentation

get log from activity execute oncreate

There is a newer version: 2.0.1

package com.life.jv;

import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

/**
 * Created by stew on 2023/5/13.
 * mail: [email protected]
 */
public class ActivityLifeMethodVisitor extends MethodVisitor {

   private String cName;
   private String mName;

   public ActivityLifeMethodVisitor(MethodVisitor mv, String className, String name) {
      super(Opcodes.ASM5,mv);
      cName = className;
      mName = name;
      System.out.println("className = " + className);
   }

   @Override
   public void visitCode() {
      super.visitCode();
      mv.visitVarInsn(Opcodes.ALOAD,0);
      mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
      mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;", false);
      mv.visitMethodInsn(Opcodes.INVOKESTATIC, "com/stew/androidtest/util/AppLogUtil", "addLifeLog", "(Ljava/lang/String;)V", false);
   }

   @Override
   public void visitInsn(int opcode) {
      //方法执行后插入
      if (opcode == Opcodes.RETURN) {
//         mv.visitLdcInsn("tag");
//         mv.visitLdcInsn("onCreate end");
//         mv.visitMethodInsn(Opcodes.INVOKESTATIC, "android/util/Log", "d", "(Ljava/lang/String;Ljava/lang/String;)I", false);
//         mv.visitInsn(Opcodes.POP);
      }
      super.visitInsn(opcode);

   }
}