Android 10.0 adb shell dumpsys activity activities | findstr mFocusedActivity 获取当前的 activity 显示空的...

adb shell dumpsys activity activities | findstr mFocusedActivity

Android 7.0 现象:
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Android 10.0 现象:

在这里插入图片描述

改用:

adb shell dumpsys activity activities | findstr mResumedActivity

在这里插入图片描述

#!/usr/bin/env python3 # -*- coding: gbk -*- # 声明GBK编码 import subprocess import re import time import csv from datetime import datetime class DeviceMonitor: def __init__(self, interval=5, output_file="device_performance.csv"): self.interval = interval # 监控间隔(秒) self.output_file = output_file self.header_written = False def check_adb_connection(self): """验证ADB设备连接状态""" try: result = subprocess.run( "adb devices", shell=True, capture_output=True, text=True, encoding='gbk' ) if "device" not in result.stdout: print("设备未连接或未授权") return False return True except Exception as e: print(f"ADB连接检查失败: {str(e)}") return False def get_foreground_package(self): """获取当前前台应用包名""" try: # 方法1: 使用dumpsys window命令 result = subprocess.run( "adb shell dumpsys window windows", shell=True, capture_output=True, text=True, encoding='gbk', errors='ignore' ) output = result.stdout # 尝试多种匹配模式 patterns = [ r'mCurrentFocus=Window\{.*?\s([a-zA-Z0-9._]+)/', r'mFocusedApp=AppWindowToken\{.*?\s([a-zA-Z0-9._]+)/', r'ResumedActivity: ActivityRecord\{.*?\s([a-zA-Z0-9._]+)/' ] for pattern in patterns: match = re.search(pattern, output) if match: return match.group(1) # 方法2: 使用dumpsys activity命令(备用) result = subprocess.run( "adb shell dumpsys activity activities", shell=True, capture_output=True, text=True, encoding='gbk', errors='ignore' ) match = re.search(r'ResumedActivity: ActivityRecord\{.*?\s([a-zA-Z0-9._]+)/', result.stdout) return match.group(1) if match else "unknown" except Exception as e: print(f"获取前台应用失败: {str(e)}") return "unknown" def get_cpu_usage(self): """获取CPU使用率(%)""" try: # 获取总CPU时间和闲时间 result = subprocess.run( "adb shell top -n 1 -d 0.5 | grep {match.group(1)}", shell=True, capture_output=True, text=True ) cpu_stats = result.stdout.split()[1:] total_time = sum(map(int, cpu_stats)) idle_time = int(cpu_stats[3]) # 计算使用率 usage = 100 * (1 - idle_time / total_time) return round(usage, 1) except: return 0.0 def get_memory_usage(self): """获取内存使用情况(MB)""" try: result = subprocess.run( "adb shell cat /proc/meminfo", shell=True, capture_output=True, text=True ) meminfo = result.stdout.splitlines() total = int(meminfo[0].split()[1]) // 1024 free = int(meminfo[1].split()[1]) // 1024 used = total - free return total, used, free except: return 0, 0, 0 def get_battery_info(self): """获取电池信息和温度(℃)""" try: result = subprocess.run( "adb shell dumpsys battery", shell=True, capture_output=True, text=True ) output = result.stdout level = re.search(r'level: (\d+)', output) status = re.search(r'status: (\d+)', output) temp = re.search(r'temperature: (\d+)', output) return ( int(level.group(1)) if level else 0, int(status.group(1)) if status else 0, int(temp.group(1)) / 10.0 if temp else 0.0 # 转换为摄氏度 ) except: return 0, 0, 0.0 def get_cpu_temperature(self): """获取CPU温度(℃) - 需要root权限""" try: result = subprocess.run( "adb shell cat /sys/class/thermal/thermal_zone0/temp", shell=True, capture_output=True, text=True ) return float(result.stdout.strip()) / 1000.0 except: return 0.0 def monitor_performance(self): """主监控循环""" if not self.check_adb_connection(): print("设备连接失败,请检查ADB连接") return print(f"开始设备监控,间隔: {self.interval}秒") print("按Ctrl+C停止监控...") try: while True: timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S") package = self.get_foreground_package() cpu_usage = self.get_cpu_usage() mem_total, mem_used, mem_free = self.get_memory_usage() batt_level, batt_status, batt_temp = self.get_battery_info() cpu_temp = self.get_cpu_temperature() # 输出到控制台 print(f"[{timestamp}] 应用: {package[:20]:<20} | " f"CPU: {cpu_usage}% | " f"内存: {mem_used}/{mem_total}MB | " f"电池: {batt_level}% | " f"温度: CPU:{cpu_temp:.1f}℃ 电池:{batt_temp:.1f}℃") # 保存到CSV文件 self.save_to_csv(timestamp, package, cpu_usage, mem_total, mem_used, mem_free, batt_level, batt_status, batt_temp, cpu_temp) time.sleep(self.interval) except KeyboardInterrupt: print("\n监控已停止") def save_to_csv(self, timestamp, package, cpu_usage, mem_total, mem_used, mem_free, batt_level, batt_status, batt_temp, cpu_temp): """保存数据到CSV文件""" data = [ timestamp, package, cpu_usage, mem_total, mem_used, mem_free, batt_level, batt_status, batt_temp, cpu_temp ] with open(self.output_file, 'a', newline='', encoding='utf-8') as f: writer = csv.writer(f) if not self.header_written: writer.writerow([ '时间戳', '前台应用', 'CPU使用率(%)', '内存总量(MB)', '已用内存(MB)', '闲内存(MB)', '电池电量(%)', '电池状态', '电池温度(℃)', 'CPU温度(℃)' ]) self.header_written = True writer.writerow(data) if __name__ == "__main__": # 创建监控实例并启动(每10秒监控一次) monitor = DeviceMonitor(interval=10) monitor.monitor_performance() 将此脚本加个应用刷新率和帧率
06-21
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