设置APN节点，并切换到当前节点

package dttc.com.main; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.database.Cursor; import android.database.SQLException; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.Uri; import android.net.NetworkInfo.State; import android.telephony.TelephonyManager; /** * @description 管理APN的一些操作：插入更改 * @author tangzhi * @date 20120705 * */ public class APNManager { /***APN---URI----DEFINE**/ private static final Uri APN_URI = Uri.parse("content://telephony/carriers"); private static final Uri CURRENT_APN_URI = Uri.parse("content://telephony/carriers/preferapn"); /** * @Description 插入apn节点 ，其中MCC 移动国家好为460，MNC移动网号为00 * @param context 上下文环境 * @param newAPNName 待插入APN的名称 * @param newapn 待插入的APN节点 * @param proxy 代理服务器IP * @param port 代理服务端口 * @return true 插入成功,false插入失败 * * */ public static boolean InsertAPNNode(Context context,String newAPNName,String newapn,String proxy,String port) { boolean localState = false; String localApn = newapn; int id = -1; String localmnc = null; String localNumeric = null; TelephonyManager mTelephonyMgr = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE); String imsi = mTelephonyMgr.getSubscriberId(); printLog.print("获取到的IMSI为:" + imsi); if(imsi != null) { if(imsi.startsWith("46000") || imsi.startsWith("46002")) { localmnc = imsi.substring(3,5); localNumeric =imsi.substring(0,5); printLog.print("中国移动"); } else { localmnc = "00"; localNumeric = "46000"; printLog.print("不是中国移动"); } } else { } printLog.print("MNC的值为：" + localmnc); printLog.print("numeric的值为：" + localNumeric); ContentResolver resolver = context.getContentResolver(); ContentValues values = new ContentValues(); values.put("name",newAPNName); values.put("apn",localApn); values.put("mcc", "460"); values.put("mnc", localmnc); values.put("numeric", localNumeric); values.put("proxy", ""); values.put("port", ""); values.put("mmsc", ""); Cursor c = null; try { Uri newRow = resolver.insert(APN_URI, values); if(newRow != null) { c = resolver.query(newRow, null, null, null, null); int idindex = c.getColumnIndex("_id"); c.moveToFirst(); id = c.getShort(idindex); localState = true; } } catch(Exception e) { System.out.print(e.getMessage()); } finally { if(c !=null ) c.close(); } return localState; } /** * @description 切换APN * @param context 上下文环境 * @param newAPN 要更新的APN * @param true 更新成功,false更新失败 * **/ public static boolean updateCurrentAPN(Context context, String newAPN) { Cursor cursor = null; ContentResolver resolver = context.getContentResolver(); boolean localState = true; String apnId = null; int index = 0; String localApn = newAPN; try { do { cursor = resolver.query(APN_URI, null, "apn = ? and current = 1", new String []{localApn},null); if(cursor != null && cursor.moveToFirst()) { delayTime(1000); apnId = cursor.getString(cursor.getColumnIndex("_id")); printLog.print("apnId == " + apnId); index ++; if(index == 6) { break; } else { } } else { } }while(apnId == null); cursor.close(); if(apnId != null) { ContentValues values = new ContentValues(); values.put("apn_id", apnId); resolver.update(CURRENT_APN_URI, values, null, null); } else { localState = false ; } } catch(SQLException e) { e.getStackTrace(); localState = false; } finally { if(cursor != null) { cursor.close(); } } return localState; } /** * @description 删除APN节点 * @param context 上下文环境 * @param APNName APN名称 * @return void * */ public static void deleteAPN(Context context,String APNName) //delete a apn { printLog.print("开始删除APN节点" + APNName); String localWhere = "'" + APNName + "'"; try { context.getContentResolver().delete(APN_URI, "name=" + localWhere, null); } catch(Exception e) { e.printStackTrace(); } printLog.print("删除成功"); } /** * @description 检测APN节点是否存在 * @param context 上下文环境 * @param apnNode APN节点 * @return true 存在 ,false不存在 * */ public static boolean checkAPN(Context context,String apnNode) { Cursor cursor_need = null; boolean localState = false; try { cursor_need = context.getContentResolver().query(APN_URI, null, "apn = \'"+ apnNode + "\' and current = 1",null,null); if((cursor_need != null) && (cursor_need.moveToFirst())) { localState = true; } else { localState = false; } } catch(Exception e) { e.printStackTrace(); } finally { if(cursor_need != null) { cursor_need.close(); } } return localState; } /** * @description 获取当前APN的类型 * @param context 上下文环境 * @return String 返回APN类型 * **/ public static String getCurrentApnType(Context context) { String apn = null; ConnectivityManager conManager = null; try { conManager =(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo ni = conManager.getActiveNetworkInfo(); apn = ni.getExtraInfo().toLowerCase(); } catch(Exception e) { e.printStackTrace(); } return apn; } /** * @description 检测手机联网状态 * @param context 上下文环境 * @return true 联网成功,false联网失败 * * **/ public static boolean checkNetState(Context context) { boolean mState = false; boolean SUCCESS = true; boolean FAILURE = false; State state = null; ConnectivityManager connManager = null; try { connManager =(ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE); state = connManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE).getState(); } catch(Exception e) { e.printStackTrace(); }