求助：请问在android中如何用代码检测是否ping通指定的IP地址？ android手机如何运行网络Ping测试？
android\u600e\u4e48\u5b9e\u73b0ping\u5730\u5740\u5462\uff0c\u8f93\u5165IP\u5730\u5740\u540e\u70b9\u51fb\u6309\u94ae\u51fa\u73b0\u5730\u5740\u8fde\u901a\u4fe1\u606f\uff1fString cmd="cmd.exe ping ";
String ipprefix="192.168.10.";
int begin=101;
int end=200;
Process p=null;
for(int i=begin;i<end;i++){
p= Runtime.getRuntime().exec(cmd+i);
String line = null;
BufferedReader reader = new BufferedReader(new InputStreamReader(p.getInputStream()));
while((line = reader.readLine()) != null)
{
//Handling line , may logs it.
}
reader.close();
p.destroy();
}
\u5728eclipse\u91cc\u5efa\u4e00\u4e2ajava\u5de5\u7a0b \u5728\u5de5\u7a0b\u91cc\u5efa\u4e00\u4e2a.java\u6587\u4ef6 \u628a\u4ee3\u7801\u590d\u5236\u8fdb\u53bb \u4fee\u6539\u4e00\u4e0b\u5305\u540d\u5c31\u53ef\u4ee5\u8fd0\u884c\u4e86 \u70b9\u51fbrun\u67e5\u770b\u4e0b\u9762\u7684\u7ed3\u679c
android\u624b\u673a\u8fd0\u884c\u7f51\u7edcPing\u6d4b\u8bd5\u7684\u65b9\u6cd5\u5927\u81f4\u5206\u4e3a\u4e24\u79cd\uff1a\u4e00\u79cd\u662f\u7cfb\u7edf\u81ea\u5e26\u7684\u6d4b\u8bd5\u529f\u80fd\uff0c\u91cc\u9762\u5305\u542b\u6709ping\u6d4b\u8bd5\u7684\u7f51\u7edc\u529f\u80fd\u3002\u53e6\u5916\u4e00\u79cd\u662f\u4e0b\u8f7d\u7b2c\u4e09\u65b9APP\u5e94\u7528\u6765\u8fdb\u884c\u76f8\u5173\u7684PING\u6d4b\u8bd5\u3002
\u65b9\u6cd5\u4e00\uff1a\u7cfb\u7edf\u81ea\u5e26\u7684\u624b\u673a\u6d4b\u8bd5\u529f\u80fd\u3002\u5728\u62e8\u53f7\u754c\u9762\u4e0a\u8f93\u5165\uff1a*#*#4636#*#* \uff0c\u624b\u673a\u81ea\u52a8\u8fdb\u5165\u6d4b\u8bd5\u6a21\u5f0f\u3002
\u9009\u62e9\u201c\u624b\u673a\u4fe1\u606f\u201d
\u53ef\u4ee5\u770b\u5230\u201c\u8fd0\u884cping\u6d4b\u8bd5\u201d\u70b9\u51fb\u5373\u53efping\u8c37\u6b4c\u7684\u670d\u52a1\u5668\u3002
\u65b9\u6cd5\u4e8c\uff1a\u76f4\u63a5\u4e0b\u8f7d\u5b89\u88c5\u7b2c\u4e09\u65b9\u6d4b\u8bd5\u5e94\u7528\uff0c\u5e94\u7528\u7684\u540d\u5b57\u5c31\u53ebPING\u3002
\u5e94\u7528\u9ed8\u8ba4ping\u7684\u662f\u767e\u5ea6\u7684IP\u5730\u5740\uff0c\u4f60\u4e5f\u53ef\u4ee5\u81ea\u5df1\u4fee\u6539ip\uff0c\u5e94\u7528\u754c\u9762\u5982\u56fe\u3002
\u6269\u5c55\u8d44\u6599
Ping\u662fWindows\u3001Unix\u548cLinux\u7cfb\u7edf\u4e0b\u7684\u4e00\u4e2a\u547d\u4ee4\u3002ping\u4e5f\u5c5e\u4e8e\u4e00\u4e2a\u901a\u4fe1\u534f\u8bae\uff0c\u662fTCP/IP\u534f\u8bae\u7684\u4e00\u90e8\u5206\u3002\u5229\u7528\u201cping\u201d\u547d\u4ee4\u53ef\u4ee5\u68c0\u67e5\u7f51\u7edc\u662f\u5426\u8fde\u901a\uff0c\u53ef\u4ee5\u5f88\u597d\u5730\u5e2e\u52a9\u6211\u4eec\u5206\u6790\u548c\u5224\u5b9a\u7f51\u7edc\u6545\u969c\u3002\u5e94\u7528\u683c\u5f0f\uff1aPing\u7a7a\u683cIP\u5730\u5740\u3002\u8be5\u547d\u4ee4\u8fd8\u53ef\u4ee5\u52a0\u8bb8\u591a\u53c2\u6570\u4f7f\u7528\uff0c\u5177\u4f53\u662f\u952e\u5165Ping\u6309\u56de\u8f66\u5373\u53ef\u770b\u5230\u8be6\u7ec6\u8bf4\u660e\u3002
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-Ping
public boolean isIpReachable(String ip)
{
try
{
InetAddress addr = InetAddress.getByName(ip);
if (addr.isReachable(3000))
{
return true;
}
return false;
}
catch (UnknownHostException e)
{
}
catch (IOException e)
{
}
}
使用http协议访问ip地址..成功返回字符串,失败为ping不通
手机访问网页的ip地址是随机的吧，不是固定的，好像是用不好那个的
绛旓細public boolean isIpReachable(String ip){ try { InetAddress addr = InetAddress.getByName(ip); if (addr.isReachable(3000)) { return true; } return false; } catch (UnknownHostException e) { } catch (IOException e) { }} ...
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