{
"jobs": [
{
"name": "4g_network_monitor_job",
"condition": "sys.4g.status=abnormal",
"cmds": [
"/system/bin/hidumper --net 1 > /data/log/4g_dump_$(date +%Y%m%d_%H%M%S).log 2>&1",
"/system/bin/hidumper --ril 1 >> /data/log/4g_dump_$(date +%Y%m%d_%H%M%S).log 2>&1"
]
}
],
"services": [
{
"name": "4g_network_monitor",
"start-mode": "boot",
"path": [
"/system/bin/sh",
"-c",
"while true; do\n # 检测 4G/蜂窝网络是否连通\n PING_RET=$(ping -c 2 -w 3 223.5.5.5 2>/dev/null)\n if [ $? -eq 0 ]; then\n NET_STATUS=\"normal\"\n else\n NET_STATUS=\"abnormal\"\n fi\n # 设置系统属性(触发 job)\n param set sys.4g.status ${NET_STATUS}\n sleep 2\ndone"
],
"disabled": 0,
"sandbox": 0,
"uid": "root",
"gid": ["shell", "system"],
"once": 0,
"secon": "u:r:su:s0"
}
]
}
先写一个自启动服务,应用层再通过systemParameterEnhance.getSync("sys.4g.status")就可以实现监听4G网络是否正常的功能了
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2026-04-09 09:32:48

