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工具类
package com.example.apnutil;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.SQLException;
import android.net.Uri;
import android.telephony.TelephonyManager;
import android.util.Log;
public class ApnUtil {
private Context context;
private int apnd_id = 0;
int m_oldApnId = -1;
int m_oldNetWorkType = -1;
private TelephonyManager tm;
private ContentResolver resolver;
private static final Uri APN_TABLE_URI = Uri
.parse("content://telephony/carriers");
private static final Uri PREFERRED_APN_URI = Uri
.parse("content://telephony/carriers/preferapn");
public ApnUtil(Context context) {
super();
this.context = context;
resolver = context.getContentResolver();
tm = (TelephonyManager) context
.getSystemService(Context.TELEPHONY_SERVICE);
}
/**
* 判断一个apn是否存在 存在返回id
*
* @param apnNode
* @return
*/
public int isApnExisted(ApnEntity apnNode) {
int apnId = -1;
Cursor mCursor = resolver.query(APN_TABLE_URI, null, null, null, null);
while (mCursor != null && mCursor.moveToNext()) {
apnId = mCursor.getShort(mCursor.getColumnIndex("_id"));
String name = mCursor.getString(mCursor.getColumnIndex("name"));
String apn = mCursor.getString(mCursor.getColumnIndex("apn"));
String type = mCursor.getString(mCursor.getColumnIndex("type"));
String proxy = mCursor.getString(mCursor.getColumnIndex("proxy"));
String port = mCursor.getString(mCursor.getColumnIndex("port"));
String current = mCursor.getString(mCursor
.getColumnIndex("current"));
String mcc = mCursor.getString(mCursor.getColumnIndex("mcc"));
String mnc = mCursor.getString(mCursor.getColumnIndex("mnc"));
String numeric = mCursor.getString(mCursor
.getColumnIndex("numeric"));
Log.e("isApnExisted", "info:" + apnId + "_" + name + "_" + apn
+ "_" + type + "_" + current + "_" + proxy);// 遍历了所有的apn
if (/* apnNode.getName().equals(name) */(apnNode.getApn().equals(
apn)
&& apnNode.getMcc().equals(mcc)
&& apnNode.getMnc().equals(mnc) && apnNode.getNumeric()
.equals(numeric))
&& (type == null || "default".equals(type) || ""
.equals(type)))// || (apnNode.getApn().equals(apn)
// && "".equals(proxy) &&
// "".equals(port))
{
return apnId;
} else {
apnId = -1;
}
}
return apnId;
}
/**
* 获取默认的apn
*/
public ApnEntity getDefaultAPN() {
String id = "";
String apn = "";
String proxy = "";
String name = "";
String port = "";
String type = "";
String mcc = "";
String mnc = "";
String numeric = "";
ApnEntity apnNode = new ApnEntity();
Cursor mCursor = resolver.query(PREFERRED_APN_URI, null, null, null,
null);
if (mCursor == null) {
// throw new Exception("Non prefer apn exist");
return null;
}
while (mCursor != null && mCursor.moveToNext()) {
id = mCursor.getString(mCursor.getColumnIndex("_id"));
name = mCursor.getString(mCursor.getColumnIndex("name"));
apn = mCursor.getString(mCursor.getColumnIndex("apn"))
.toLowerCase();
proxy = mCursor.getString(mCursor.getColumnIndex("proxy"));
port = mCursor.getString(mCursor.getColumnIndex("port"));
mcc = mCursor.getString(mCursor.getColumnIndex("mcc"));
mnc = mCursor.getString(mCursor.getColumnIndex("mnc"));
numeric = mCursor.getString(mCursor.getColumnIndex("numeric"));
Log.d("getDefaultAPN", "default Apn info:" + id + "_" + name + "_"
+ apn + "_" + proxy + "_" + proxy);
}
apnNode.setName(name);
apnNode.setApn(apn);
apnNode.setProxy(proxy);
apnNode.setPort(port);
apnNode.setMcc(mcc);
apnNode.setMnc(mnc);
apnNode.setNumeric(numeric);
return apnNode;
}
/**
* 设置默认的apn
*
* @param apnId
* @return
*/
public boolean setDefaultApn(int apnId) {
boolean res = false;
ContentValues values = new ContentValues();
values.put("apn_id", apnId);
try {
resolver.update(PREFERRED_APN_URI, values, null, null);
Cursor c = resolver.query(PREFERRED_APN_URI, new String[] { "name",
"apn" }, "_id=" + apnId, null, null);
if (c != null) {
res = true;
c.close();
}
} catch (SQLException e) {
}
return res;
}
/**
* 删除所有apn
*/
public void deleteApn() {
resolver.delete(APN_TABLE_URI, null, null);
}
/**
* 增加新的apn
*
* @param apnNode
* @return
*/
public int addNewApn(ApnEntity apnNode) {
int apnId = -1;
ContentValues values = new ContentValues();
values.put("name", apnNode.getName());
values.put("apn", apnNode.getApn());
values.put("proxy", apnNode.getProxy());
values.put("port", apnNode.getPort());
values.put("user", apnNode.getUser());
values.put("password", apnNode.getPassword());
values.put("mcc", apnNode.getMcc());
values.put("mnc", apnNode.getMnc());
values.put("numeric", apnNode.getNumeric());
// Note: this values need to be update, and for now, it only for XT800.
Cursor c = null;
try {
Uri newRow = resolver.insert(APN_TABLE_URI, values);
if (newRow != null) {
c = resolver.query(newRow, null, null, null, null);
int idindex = c.getColumnIndex("_id");
c.moveToFirst();
apnId = c.getShort(idindex);
Log.d("Robert", "New ID: " + apnId
+ ": Inserting new APN succeeded!");
}
} catch (SQLException e) {
}
if (c != null)
c.close();
return apnId;
}
public String getMCC() {
String numeric = tm.getSimOperator();
String mcc = numeric.substring(0, 3);
Log.i("MCC is", mcc);
return mcc;
}
public String getMNC() {
String numeric = tm.getSimOperator();
String mnc = numeric.substring(3, numeric.length());
Log.i("MNC is", mnc);
return mnc;
}
public String getSimOperator() {
String SimOperator = tm.getSimOperator();
return SimOperator;
}
}
实体
package com.example.apnutil;
/**
* apn实体
*/
public class ApnEntity {
private String name;
private String apn;
private String proxy;
private String port;
private String user;
private String server;
private String password;
private String mmsc;
private String mmsproxy;
private String mmsport;
private String mcc;
private String mnc;
private String numeric;
private String type;
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @param name
* the name to set
*/
public void setName(String name) {
this.name = name;
}
/**
* @return the apn
*/
public String getApn() {
return apn;
}
/**
* @param apn
* the apn to set
*/
public void setApn(String apn) {
this.apn = apn;
}
/**
* @return the proxy
*/
public String getProxy() {
return proxy;
}
/**
* @param proxy
* the proxy to set
*/
public void setProxy(String proxy) {
this.proxy = proxy;
}
/**
* @return the port
*/
public String getPort() {
return port;
}
/**
* @param port
* the port to set
*/
public void setPort(String port) {
this.port = port;
}
/**
* @return the user
*/
public String getUser() {
return user;
}
/**
* @param user
* the user to set
*/
public void setUser(String user) {
this.user = user;
}
/**
* @return the server
*/
public String getServer() {
return server;
}
/**
* @param server
* the server to set
*/
public void setServer(String server) {
this.server = server;
}
/**
* @return the password
*/
public String getPassword() {
return password;
}
/**
* @param password
* the password to set
*/
public void setPassword(String password) {
this.password = password;
}
/**
* @return the mmsc
*/
public String getMmsc() {
return mmsc;
}
/**
* @param mmsc
* the mmsc to set
*/
public void setMmsc(String mmsc) {
this.mmsc = mmsc;
}
/**
* @return the mmsproxy
*/
public String getMmsproxy() {
return mmsproxy;
}
/**
* @param mmsproxy
* the mmsproxy to set
*/
public void setMmsproxy(String mmsproxy) {
this.mmsproxy = mmsproxy;
}
/**
* @return the mmsport
*/
public String getMmsport() {
return mmsport;
}
/**
* @param mmsport
* the mmsport to set
*/
public void setMmsport(String mmsport) {
this.mmsport = mmsport;
}
/**
* @return the mcc
*/
public String getMcc() {
return mcc;
}
/**
* @param mcc
* the mcc to set
*/
public void setMcc(String mcc) {
this.mcc = mcc;
}
/**
* @return the mnc
*/
public String getMnc() {
return mnc;
}
/**
* @param mnc
* the mnc to set
*/
public void setMnc(String mnc) {
this.mnc = mnc;
}
/**
* @return the numeric
*/
public String getNumeric() {
return numeric;
}
/**
* @param numeric
* the numeric to set
*/
public void setNumeric(String numeric) {
this.numeric = numeric;
}
/**
* @return the type
*/
public String getType() {
return type;
}
/**
* @param type
* the type to set
*/
public void setType(String type) {
this.type = type;
}
}
测试activity
package com.example.apnutil;
import android.os.Bundle;
import android.app.Activity;
import android.util.Log;
import android.view.Menu;
public class MainActivity extends Activity {
private ApnUtil apnUtil;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
apnUtil = new ApnUtil(this);
//initApn();
restoreApn();
}
/**
* 恢復爲移動的apn
*/
private void restoreApn() {
ApnEntity checkApn = new ApnEntity();
checkApn.setName("中国移动");
checkApn.setApn("cmnet");
checkApn.setUser("");
checkApn.setPassword("");
checkApn.setMcc(apnUtil.getMCC());
checkApn.setMnc(apnUtil.getMNC());
checkApn.setNumeric(apnUtil.getSimOperator());
int apnId = apnUtil.isApnExisted(checkApn);
if (apnId==-1) {
Log.e("apn", "不存在apn创建一个"+apnId);
apnId = apnUtil.addNewApn(checkApn);
}
apnUtil.setDefaultApn(apnId);
}
/**
* 初始化一個apn 并设置为默认
*/
private void initApn() {
ApnEntity checkApn = new ApnEntity();
checkApn.setName("三方平台接口");
checkApn.setApn("lsrs.qd.sd");
checkApn.setUser("");
checkApn.setPassword("");
checkApn.setMcc(apnUtil.getMCC());
checkApn.setMnc(apnUtil.getMNC());
checkApn.setNumeric(apnUtil.getSimOperator());
int apnId = apnUtil.isApnExisted(checkApn);
if (apnId==-1) {
Log.e("apn", "不存在apn创建一个"+apnId);
apnId = apnUtil.addNewApn(checkApn);
}
apnUtil.setDefaultApn(apnId);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}