package com.bon.setapn;

import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;

/**
 * 移动wap apn
 * @author lei
 *
 */
public class SetCmWap {

	 //添加APN共享数据类的Uri
	 final static String APN_URI = "content://telephony/carriers";   
	 //设置默认APN选项的数据共享APN
	 final static String MAIN_APN = "content://telephony/carriers/preferapn";        
	 final static String MY_APN = "移动wap";
	 private static int apnId = 0;
	 private static SharedPreferences sharedPreferences;
		  
		  /**
			 * 添加新的APN选项并返回所添加的APNID
			 * @return  id 所添加APN的ID
			 */
			 private static int getAPNId(ContentResolver resolver) {
					  int id = -1;
					  ContentValues values = new ContentValues();
						  values.put("name", MY_APN);
						  values.put("apn", "cmWap");
					      values.put("proxy", "10.0.0.172");
					      values.put("port", "80");
						  values.put("numeric", "46002");
						  values.put("mcc", "460");
						  values.put("mnc", "02");
//					  ContentResolver resolver = getContentResolver();
					  Cursor c = null;
					  Uri newRow = resolver.insert(Uri.parse(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);
					  }
					  if (c != null) {
					   c.close();
					  }
					 
					  return id;
			 }
			 
			 /**
			  * 设置默认的APN选项
			  * @param id 所要设置APN的系统数据库中所对应的ID
			  * 相关说明:通过数据共享类进行数据  共享Uri地址是:content://telephony/carriers/preferapn
			  */
			 public static void setWapAPN(ContentResolver resolver, SharedPreferences _sharedPreferences) {
			  ContentValues values = new ContentValues();
			  
			  sharedPreferences = _sharedPreferences;
				 apnId = sharedPreferences.getInt("apnId", 0);
					if(apnId==0){
						 int id = getAPNId(resolver);
						Log.i("MainActivity", "重新创建了一个");
						values.put("apn_id", id);
						 Editor editor=sharedPreferences.edit();    //创建一个并保存id
						  editor.putInt("apnId", id);
						  editor.commit();
					}else {
						Log.i("MainActivity", "设置以前的");
						values.put("apn_id", apnId);
					}
			  
			  
			  resolver.update(Uri.parse(MAIN_APN), values, null, null);
			 }
			 /**
			  * 重新创建一个接入点  并设置
			  * @param resolver
			  * @param _sharedPreferences
			  */
			 //防止用户自己删除以前创建的    删除之后   设置不了
			 public static void createWapApnAndSet(ContentResolver resolver, SharedPreferences _sharedPreferences) {
				  ContentValues values = new ContentValues();
				  
				  sharedPreferences = _sharedPreferences;
					 apnId = sharedPreferences.getInt("apnId", 0);
					 Log.i("MainActivity", "保存的id"+apnId);
					 Log.i("MainActivity", "查到的id"+apnId);
					 Log.i("MainActivity", apnId+"");
					 int id = getAPNId(resolver);
					 Log.i("MainActivity", "重新创建了一个");
					 values.put("apn_id", id);
					 Editor editor=sharedPreferences.edit();   //创建并保存id
					 editor.putInt("apnId", id);
					 editor.commit();
				     resolver.update(Uri.parse(MAIN_APN), values, null, null);
				 }

}