如何判断当前网络是CMWAP还是CMNET? 我想知道当前网络是 CMWAP 还是CMNET,WIFI倒好说,就这2个不好区分,另外我如何知道当前APN都有哪些?用什么关键字来区分呢?谢谢! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 package lab.sodino.net;import java.net.InetAddress;import android.app.Activity;import android.content.Context;import android.net.ConnectivityManager;import android.net.NetworkInfo;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.os.Bundle;import android.widget.ScrollView;import android.widget.TextView;public class NetAct extends Activity { private TextView textView; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); textView = new TextView(this); textView.setBackgroundColor(0xffffffff); textView.setTextColor(0xff0000ff); textView.setTextSize(15.0f); textView.setScrollBarStyle(TextView.SCROLLBARS_OUTSIDE_OVERLAY); ScrollView scrollView = new ScrollView(this); scrollView.addView(textView); setContentView(scrollView); getLocalHost(); getWifiInfo(); initNetworkInfo(); } private void getLocalHost() { try { InetAddress iAdd = InetAddress.getLocalHost(); String line = ""; String hostName = iAdd.getHostName(); if (hostName != null) { InetAddress[] adds = InetAddress.getAllByName(hostName); for (int i = 0; i < adds.length; i++) { iAdd = adds[i]; line = "HostName=" + iAdd.getHostName() + "\n"; textView.append(line); line = "CanonicalHostName=" + iAdd.getCanonicalHostName() + "\n"; textView.append(line); line = "HostAddress=" + iAdd.getHostAddress() + "\n"; textView.append(line); textView.append("\n"); } } } catch (Exception e) { e.printStackTrace(); } } public void getWifiInfo() { WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE); WifiInfo info = wifi.getConnectionInfo(); textView.append("HiddenSSID=" + info.getHiddenSSID() + "\n"); textView.append("IpAddress=" + info.getIpAddress() + "\n"); textView.append("LinkSpeed=" + info.getLinkSpeed() + "\n"); textView.append("NetworkId=" + info.getNetworkId() + "\n"); textView.append("Rssi=" + info.getRssi() + "\n"); textView.append("SSID=" + info.getSSID() + "\n"); textView.append("MacAddress=" + info.getMacAddress() + "\n"); } public void initNetworkInfo() { ConnectivityManager mag = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); // 此处输出当前可用网络 textView.append("\nActive:\n"); NetworkInfo info = mag.getActiveNetworkInfo(); textView.append("ExtraInfo=" + info.getExtraInfo() + "\n"); textView.append("SubtypeName=" + info.getSubtypeName() + "\n"); textView.append("TypeName=" + info.getTypeName() + "\n"); textView.append("\nWifi:\n"); NetworkInfo wifiInfo = mag .getNetworkInfo(ConnectivityManager.TYPE_WIFI); textView.append("ExtraInfo=" + wifiInfo.getExtraInfo() + "\n"); textView.append("SubtypeName=" + wifiInfo.getSubtypeName() + "\n"); textView.append("TypeName=" + wifiInfo.getTypeName() + "\n"); NetworkInfo mobInfo = mag .getNetworkInfo(ConnectivityManager.TYPE_MOBILE); textView.append("\nMobile:\n"); textView.append("ExtraInfo=" + mobInfo.getExtraInfo() + "\n"); textView.append("SubtypeName=" + mobInfo.getSubtypeName() + "\n"); textView.append("TypeName=" + mobInfo.getTypeName() + "\n"); }}在AndroidManifest.xml中增加: <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission> 网上不是有关于APN开关的程序吗,下一个来看看,里面可以获得apn参数 MFC中 Init失败 最近看到一个android源码 关于android的几个小问题 android aapt源码 庆祝android开办,献上自己收集的android学习资料 android所有程序中的这种3d效果? Android网页录音的功能【在线等】 系统自带音乐播放器问题!!!!! 安卓开发不能读取数据库的疑问 Android如何实现对SQLite数据库的操作? 请教各位 SensorEventListener 是怎样起作用到的 空指针异常,但是却没指出我代码错在哪行,帮看下 log!
package lab.sodino.net;import java.net.InetAddress;import android.app.Activity;
import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;
import android.os.Bundle;
import android.widget.ScrollView;
import android.widget.TextView;public class NetAct extends Activity {
private TextView textView; public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
textView = new TextView(this);
textView.setBackgroundColor(0xffffffff);
textView.setTextColor(0xff0000ff);
textView.setTextSize(15.0f);
textView.setScrollBarStyle(TextView.SCROLLBARS_OUTSIDE_OVERLAY); ScrollView scrollView = new ScrollView(this);
scrollView.addView(textView);
setContentView(scrollView);
getLocalHost();
getWifiInfo();
initNetworkInfo();
} private void getLocalHost() {
try {
InetAddress iAdd = InetAddress.getLocalHost();
String line = "";
String hostName = iAdd.getHostName();
if (hostName != null) {
InetAddress[] adds = InetAddress.getAllByName(hostName);
for (int i = 0; i < adds.length; i++) {
iAdd = adds[i];
line = "HostName=" + iAdd.getHostName() + "\n";
textView.append(line);
line = "CanonicalHostName=" + iAdd.getCanonicalHostName()
+ "\n";
textView.append(line);
line = "HostAddress=" + iAdd.getHostAddress() + "\n";
textView.append(line);
textView.append("\n");
}
}
} catch (Exception e) {
e.printStackTrace(); }
} public void getWifiInfo() {
WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
WifiInfo info = wifi.getConnectionInfo();
textView.append("HiddenSSID=" + info.getHiddenSSID() + "\n");
textView.append("IpAddress=" + info.getIpAddress() + "\n");
textView.append("LinkSpeed=" + info.getLinkSpeed() + "\n");
textView.append("NetworkId=" + info.getNetworkId() + "\n");
textView.append("Rssi=" + info.getRssi() + "\n");
textView.append("SSID=" + info.getSSID() + "\n");
textView.append("MacAddress=" + info.getMacAddress() + "\n");
} public void initNetworkInfo() {
ConnectivityManager mag = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
// 此处输出当前可用网络
textView.append("\nActive:\n");
NetworkInfo info = mag.getActiveNetworkInfo();
textView.append("ExtraInfo=" + info.getExtraInfo() + "\n");
textView.append("SubtypeName=" + info.getSubtypeName() + "\n");
textView.append("TypeName=" + info.getTypeName() + "\n"); textView.append("\nWifi:\n");
NetworkInfo wifiInfo = mag
.getNetworkInfo(ConnectivityManager.TYPE_WIFI); textView.append("ExtraInfo=" + wifiInfo.getExtraInfo() + "\n");
textView.append("SubtypeName=" + wifiInfo.getSubtypeName() + "\n");
textView.append("TypeName=" + wifiInfo.getTypeName() + "\n");
NetworkInfo mobInfo = mag
.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
textView.append("\nMobile:\n");
textView.append("ExtraInfo=" + mobInfo.getExtraInfo() + "\n");
textView.append("SubtypeName=" + mobInfo.getSubtypeName() + "\n");
textView.append("TypeName=" + mobInfo.getTypeName() + "\n");
}
}
在AndroidManifest.xml中增加: <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>