[Android]自定义移动网络接入点

最新推荐文章于 2025-01-16 18:09:51 发布

原创最新推荐文章于 2025-01-16 18:09:51 发布 · 5.3k 阅读

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CC 4.0 BY-SA版权

文章标签：

#android #网络 #layout #null #button #network

本文介绍了一种通过Android应用程序设置移动网络接入点名称(APN)的方法，并展示了如何获取本机的无线网络信息。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

1.点击“Network”将显示本机的无线及网络信息。

2.点击"WAP"将自动设接入点为CMWAP。

3.点击“GPRS”将自动设接入点为GPRS。

package lab.sodino.network; import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.net.UnknownHostException; import java.util.Enumeration; import android.app.Activity; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.Uri; import android.net.wifi.WifiInfo; import android.net.wifi.WifiManager; import android.os.Bundle; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; /** * 1.点击"Network"将输出本机所处的网络环境。 2.点击"WAP"将设定移动网络接入点为CMWAP。 3.点击"GPRS"将设定 * 移动网络接入点为CMNET。注：自定义移动网络接入点的前提是“设置”→“无线和网络”→“移动网络”处已打勾。 */ public class NetworkAct extends Activity { /** 全部的APN */ private static final Uri ALL_APN_URI = Uri .parse("content://telephony/carriers"); /** 当前default的APN记录。 */ private static final Uri PREFERRED_APN_URI = Uri .parse("content://telephony/carriers/preferapn"); private TextView textView; private Button btnShowNetInfo; private Button btnSetCMWAP; private Button btnSetGPRS; private BtnClickListener btnListener; private ContentValues cvWAP; private ContentValues cvGPRS; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); textView = (TextView) findViewById(R.id.infoPanel); textView.setBackgroundColor(0xffffffff); textView.setTextColor(0xff0000ff); textView.setTextSize(15.0f); textView.setScrollBarStyle(TextView.SCROLLBARS_OUTSIDE_OVERLAY); btnListener = new BtnClickListener(); btnShowNetInfo = (Button) findViewById(R.id.showInfo); btnShowNetInfo.setOnClickListener(btnListener); btnSetCMWAP = (Button) findViewById(R.id.setCMWAP); btnSetCMWAP.setOnClickListener(btnListener); btnSetGPRS = (Button) findViewById(R.id.setGPRS); btnSetGPRS.setOnClickListener(btnListener); initAPNValues(); } private void initAPNValues() { cvWAP = new ContentValues(); cvWAP.put("name", "移动梦网"); cvWAP.put("apn", "cmwap"); // 需要设置为默认接入点则为default cvWAP.put("type", "default"); cvWAP.put("proxy", "10.0.0.172"); cvWAP.put("port", "80"); cvWAP.put("mmsproxy", "10.0.0.172"); cvWAP.put("mmsport", "80"); cvWAP.put("mmsprotocol", "2.0"); cvWAP.put("mmsc", "http://mmsc.monternet.com"); cvWAP.put("mcc", "460"); cvWAP.put("mnc", "02"); cvWAP.put("numeric", "46002"); cvGPRS = new ContentValues(); cvGPRS.put("name", "GPRS"); cvGPRS.put("apn", "cmnet"); // 需要设置为默认接入点则为default cvGPRS.put("type", "default"); // cvGPRS.put("proxy", "10.0.0.172"); // cvGPRS.put("port", "80"); // cvGPRS.put("mmsproxy", "10.0.0.172"); // cvGPRS.put("mmsport", "80"); cvGPRS.put("mmsprotocol", "2.0"); // cvGPRS.put("mmsc", "http://mmsc.monternet.com"); cvGPRS.put("mcc", "460"); cvGPRS.put("mnc", "02"); cvGPRS.put("numeric", "46002"); } private void showNetworkInfo() { getLocalAddress(); getWifiAddress(); getNetworkInfo(); textView.append("/nList Default Access Point Name:/n"); listAllAPNs(PREFERRED_APN_URI); textView.append("/nList all Access Point Name:/n"); listAllAPNs(ALL_APN_URI); } private void getLocalAddress() { InetAddress iAdd = null; try { iAdd = InetAddress.getLocalHost(); String line = ""; // 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"); String hostName = iAdd.getHostName(); if (hostName != null) { InetAddress[] adds = null; adds = InetAddress.getAllByName(hostName); if (adds != null) { 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 (UnknownHostException e1) { e1.printStackTrace(); } try { for (Enumeration<NetworkInterface> en = NetworkInterface .getNetworkInterfaces(); en.hasMoreElements();) { NetworkInterface intf = en.nextElement(); for (Enumeration<InetAddress> enumIpAddr = intf .getInetAddresses(); enumIpAddr.hasMoreElements();) { InetAddress inetAddress = enumIpAddr.nextElement(); // if (!inetAddress.isLoopbackAddress()) { textView.append("HostAddress=" + inetAddress.getHostAddress() + "/n"); // } } } } catch (SocketException ex) { Log.e("WifiPreference IpAddress", ex.toString()); } } private void getWifiAddress() { WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE); WifiInfo info = wifi.getConnectionInfo(); textView.append("HiddenSSID=" + info.getHiddenSSID() + "/n"); textView.append("IpAddress=" + formatIP4(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"); } private void getNetworkInfo() { // 此处输出可用网络类型 ConnectivityManager mag = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); textView.append("/nActive:/n"); NetworkInfo info = mag.getActiveNetworkInfo(); if (info != null) { textView.append("ExtraInfo=" + info.getExtraInfo() + "/n"); textView.append("SubtypeName=" + info.getSubtypeName() + "/n"); textView.append("TypeName=" + info.getTypeName() + "/n"); textView.append("Type=" + info.getType() + "/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"); textView.append("Type=" + wifiInfo.getType() + "/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"); textView.append("Type=" + mobInfo.getType() + "/n"); } private void listAllAPNs(Uri apnUri) { ContentResolver contentResolver = getContentResolver(); Cursor cursor = contentResolver.query(apnUri, null, null, null, null); if (cursor != null) { String temp = "Count=" + cursor.getCount() + " ColumnCount=" + cursor.getColumnCount() + "/n"; textView.append(temp); String key = ""; while (cursor.moveToNext()) { key = "position"; int position = cursor.getPosition(); textView.append("/n" + key + "=" + String.valueOf(position) + "/n"); key = "_id"; int id = cursor.getShort(cursor.getColumnIndex(key)); textView.append(key + "=" + String.valueOf(id) + "/n"); appendDBColumn(cursor, "name"); appendDBColumn(cursor, "apn"); appendDBColumn(cursor, "type"); appendDBColumn(cursor, "proxy"); appendDBColumn(cursor, "port"); appendDBColumn(cursor, "mmsproxy"); appendDBColumn(cursor, "mmsport"); appendDBColumn(cursor, "mmsprotocol"); appendDBColumn(cursor, "mmsc"); appendDBColumn(cursor, "current"); appendDBColumn(cursor, "mcc"); appendDBColumn(cursor, "mnc"); appendDBColumn(cursor, "numeric"); } } } private void appendDBColumn(Cursor cursor, String key) { try { String value = cursor.getString(cursor.getColumnIndex(key)); textView.append(key + "=" + value + "/n"); } catch (Exception e) { System.out.println("[sodino] " + e); } } private void setNetworkFeature() { // 经测试，start和stop都无效。 ConnectivityManager connectivityMag = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE); int stop = connectivityMag.stopUsingNetworkFeature( ConnectivityManager.TYPE_WIFI, "*"); textView.append("stop=" + String.valueOf(stop) + "/n"); int start = connectivityMag.startUsingNetworkFeature( ConnectivityManager.TYPE_MOBILE, ConnectivityManager.EXTRA_NETWORK_INFO); textView.append("start=" + String.valueOf(start) + "/n"); } private void setDefaultAPN(ContentValues value) { int _id = findAPNId(value); if (_id == -1) { _id = insertAPN(value); } textView.append(value.get("name") + " _id=" + _id + "/n"); ContentValues values = new ContentValues(); values.put("apn_id", _id); ContentResolver resolver = getContentResolver(); int updateRow = resolver.update(PREFERRED_APN_URI, values, null, null); textView.append("updateRow=" + updateRow + "/n"); textView.append("Set " + value.get("name") + " as default netwrok successed!!/n"); } private int findAPNId(ContentValues cv) { int id = -1; ContentResolver contentResolver = getContentResolver(); Cursor cursor = contentResolver.query(ALL_APN_URI, null, null, null, null); if (cursor != null) { while (cursor.moveToNext()) { if (cursor.getString(cursor.getColumnIndex("name")).equals( cv.get("name")) && cursor.getString(cursor.getColumnIndex("apn")) .equals(cv.get("apn")) && cursor.getString(cursor.getColumnIndex("numeric")) .equals(cv.get("numeric"))) { id = cursor.getShort(cursor.getColumnIndex("_id")); break; } } } return id; } private int insertAPN(ContentValues value) { int apn_Id = -1; ContentResolver resolver = getContentResolver(); Uri newRow = resolver.insert(ALL_APN_URI, value); if (newRow != null) { Cursor cursor = resolver.query(newRow,null,null,null,null); int idIdx = cursor.getColumnIndex("_id"); cursor.moveToFirst(); apn_Id = cursor.getShort(idIdx); System.out.println("[sodino] Insert New id:" + apn_Id); } return apn_Id; } public boolean onCreateOptionsMenu(Menu menu) { menu.add("finish"); return true; } public boolean onOptionsItemSelected(MenuItem item) { if (item.getTitle().equals("finish")) { finish(); } return false; } /** 将10进制整数形式转换成127.0.0.1形式的IP地址 */ private static String formatIP4(long longIP) { StringBuffer sb = new StringBuffer(""); sb.append(String.valueOf(longIP >>> 24)); sb.append("."); sb.append(String.valueOf((longIP & 0x00FFFFFF) >>> 16)); sb.append("."); sb.append(String.valueOf((longIP & 0x0000FFFF) >>> 8)); sb.append("."); sb.append(String.valueOf(longIP & 0x000000FF)); return sb.toString(); } private class BtnClickListener implements OnClickListener { public void onClick(View v) { textView.setText(""); if (v == btnShowNetInfo) { showNetworkInfo(); } else if (v == btnSetCMWAP) { setDefaultAPN(cvWAP); btnSetCMWAP.setEnabled(false); btnSetGPRS.setEnabled(true); } else if (v == btnSetGPRS) { setDefaultAPN(cvGPRS); btnSetGPRS.setEnabled(false); btnSetCMWAP.setEnabled(true); } } } }

<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <LinearLayout android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <Button android:id="@+id/showInfo" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="2" android:text="Network" ></Button> <Button android:id="@+id/setCMWAP" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="WAP" ></Button> <Button android:id="@+id/setGPRS" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1" android:text="GPRS" ></Button> </LinearLayout> <ScrollView android:layout_width="fill_parent" android:layout_height="wrap_content"> <TextView android:id="@+id/infoPanel" android:layout_width="fill_parent" android:layout_height="wrap_content" /> </ScrollView> </LinearLayout>

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="lab.sodino.network" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:label="@string/app_name" android:name=".NetworkAct"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> <uses-sdk android:minSdkVersion="4" />  <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission> <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission>  <uses-permission android:name="android.permission.WRITE_APN_SETTINGS"></uses-permission> <uses-permission android:name="android.permission.INTERNET"></uses-permission>  <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE"></uses-permission> </manifest>

界面如下：

Network WAP GPRS