android 获取局域网内其他手机的ip
http://bbs.csdn.net/topics/390131332
public
class
WifiDemoActivity
extends
Activity {
private
Button mTestButton;
private
WifiManager mWifiManager;
private
TextView iptextview;
staticintthreadCount =
0
;
booleanisOver =
false
;
staticintpingSize =
0
;
public
ArrayList<Map<String, Object>> ping;
// ping 后的结果集
private
ListView showiplistview;
public
ArrayList<Map<String, Object>> getPing() {
// 用来得到ping后的结果集
returnping;
}
public
void
setPing(ArrayList<Map<String, Object>> ping){
this
.ping=ping;
}
@Override
protected
void
onPause() {
System.exit(
0
);
finish();
super
.onPause();
}
@Override
public
void
onCreate(Bundle savedInstanceState) {
super
.onCreate(savedInstanceState);
setContentView(R.layout.main);
ping =
new
ArrayList<Map<String, Object>>();
iptextview = (TextView) findViewById(R.id.IPTEXTVIEWID);
mTestButton = (Button) findViewById(R.id.button1);
showiplistview = (ListView) findViewById(R.id.SHOWIPLISTVIEWID);
mTestButton.setOnClickListener(mAllClickListener);
mWifiManager = (WifiManager)
this
.getSystemService(Context.WIFI_SERVICE);
}
@Override
protected
void
onResume() {
isOver =
true
;
mUpdaHandler.sendMessage(createMessage(
10003
,
null
));
super
.onResume();
}
private
View.OnClickListener mAllClickListener =
new
View.OnClickListener() {
@Override
public
void
onClick(View v) {
switch
(v.getId()) {
case
R.id.button1:
if
(ping.size() >
0
) {
ping.clear();
((IpAdapter) showiplistview.getAdapter()).setIpData(ping);
}
new
Thread() {
public
void
run() {
WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
mWifiManager.getConfiguredNetworks();
List<WifiConfiguration> list = mWifiManager
.getConfiguredNetworks();
for
(WifiConfiguration wifiConfiguration : list) {
String ssid = wifiConfiguration.SSID;
String mSsid = ssid.substring(
1
, ssid.length() -
1
);
String result = wifiConfiguration.toString();
if
(mSsid.equalsIgnoreCase(wifiInfo.getSSID())) {
Log.d(
"Tag"
, wifiConfiguration.toString());
try
{
int
i = result.indexOf(
"LinkAddresses"
);
int
i1 = result.indexOf(
"Routes"
);
String ipAddress = result
.substring(i, i1)
.trim()
.substring(
16
,
result.substring(i, i1)
.length() -
6
);
Log.d(
"Tag"
, ipAddress);
int
i2 = result.indexOf(
"DnsAddresses"
);
String mWifiIntAddress = result
.substring(i2)
.trim()
.substring(
15
,
result.substring(i2)
.length() -
4
);
Log.d(
"Tag"
,
"WifiInetAddresses "
+ mWifiIntAddress);
String[] s = { mWifiIntAddress, ipAddress };
mUpdaHandler.sendMessage(createMessage(
10002
, s));
PingAll(mWifiIntAddress);
}
catch
(Exception e) {
Log.e(
"Tag"
,
"erro"
+ e);
}
}
}
}
}.start();
break
;
default
:
break
;
}
}
};
public
void
PingAll(String hostAddress) {
// 首先得到本机的IP，得到网段
try
{
int
k =
0
;
k = hostAddress.lastIndexOf(
"."
);
String ss = hostAddress.substring(
0
, k +
1
);
for
(
int
i =
1
; i <=
250
; i++) {
// 对所有局域网Ip
String iip = ss + i;
creatLog(WifiDemoActivity.
class
,
"PingAll"
, iip,
null
);
Ping(iip);
}
// 等着所有Ping结束
while
(isOver) {
Thread.sleep(
3000
);
if
(threadCount ==
0
) {
isOver =
false
;
int
k1 =
0
;
String result=
""
;
result=(String)ping.get(
0
).get(
"ip"
);
k1=result.lastIndexOf(
"."
);
result=result.substring(k1+
1
,result.length());
int
mResult=Integer.valueOf(result);
for
(Map<String, Object> map:ping){
String s=(String) map.get(
"ip"
);
String s1= s.substring(k1+
1
,s.length());
int
mS1=Integer.valueOf(s1);
mResult=mResult>mS1?mResult:mS1;
}
Log.d(
"Tag"
,
""
+mResult);
mUpdaHandler.sendMessage(createMessage(
10003
,
null
));
}
creatLog(WifiDemoActivity.
class
,
"pingall"
,
"wait......"
,
null
);
}
}
catch
(Exception e) {
creatLog(WifiDemoActivity.
class
,
"pingAll"
,
""
, e);
}
}
public
void
Ping(String ip) {
// 最多30个线程
try
{
while
(threadCount >
30
) {
Thread.sleep(
2
);
}
creatLog(WifiDemoActivity.
class
,
"ping"
, threadCount +
""
,
null
);
threadCount +=
1
;
runPingIPprocess(ip);
}
catch
(Exception e) {
creatLog(WifiDemoActivity.
class
,
"ping"
,
null
, e);
}
}
public
void
runPingIPprocess(
final
String ipString) {
final
Thread pingThread =
new
Thread() {
@Override
public
void
run() {
try
{
／／ping ip地址
Process p = Runtime.getRuntime().exec(
"ping -c 1 -w 5 "
+ ipString);
int
status = p.waitFor();
if
(status ==
0
) {
Map<String, Object> map =
new
HashMap<String, Object>();
creatLog(WifiDemoActivity.
class
,
"runpingIpProcesses"
,
"true"
+ ipString,
null
);
map.put(
"ip"
, ipString);
ping.add(map);
pingSize++;
if
(pingSize >
10
) {
pingSize =
0
;
//setPing(ping);
mUpdaHandler
.sendMessage(createMessage(
10001
, ping));
Log.d(
"Tag"
,
"you are number"
);
}
creatLog(WifiDemoActivity.
class
,
"run"
,
ping.toString(),
null
);
}
else
{
creatLog(WifiDemoActivity.
class
,
"runpingIPprocess"
,
"false"
,
null
);
}
threadCount--;
creatLog(WifiDemoActivity.
class
,
"run now "
,
threadCount +
""
,
null
);
}
catch
(Exception e) {
threadCount--;
creatLog(WifiDemoActivity.
class
,
"runPingIpprocess"
,
null
,
e);
}
finally
{
}
}
};
pingThread.start();
}
private
Handler mUpdaHandler =
new
Handler() {
@Override
public
void
handleMessage(Message msg) {
IpAdapter adapter ;
switch
(msg.what) {
case
10001
:
try
{
Log.d(
"Tag"
, ping.toString() +
"over"
);
ArrayList<Map<String, Object>> pings = (ArrayList<Map<String, Object>>) msg.obj;
adapter = (IpAdapter) showiplistview.getAdapter();
adapter.setIpData(getPing());
creatLog(WifiDemoActivity.
class
,
"10001"
, pings +
""
,
null
);
adapter.notifyDataSetChanged();
isOver=
true
;
}
catch
(Exception e) {
creatLog(WifiDemoActivity.
class
,
"1001"
,
null
, e);
}
break
;
case
10002
:
String[] s = (String[]) msg.obj;
iptextview.setText(
"本机IP:"
+ s[
1
] +
"\n路由器IP:"
+ s[
0
]);
break
;
case
10003
:
adapter =
new
IpAdapter(WifiDemoActivity.
this
, ping);
showiplistview.setAdapter(adapter);
break
;
default
:
break
;
}
}
};
public
static
Message createMessage(
int
what, Object object) {
Message message =
new
Message();
message.what = what;
message.obj = object;
return
message;
}
public
static
void
creatLog(Class class1, String where, String data,
Exception e) {
if
(e !=
null
) {
Log.e(class1.getSimpleName() +
" "
+where,
"erro \n"
+ e);
}
else
if
(e ==
null
) {
Log.d(class1.getSimpleName() +
" "
+where +
""
, data +
""
);
}
}
｝