public static boolean gprsSetter (Context context) { //检测当前GPRS是否打开 boolean isOpen = gprsIsOpenMethod(context); if (isOpen) { //GPRS已打开，则执行关闭 setGprsEnabled(context, false ); System.out.println( "关闭" ); } else { //GPRS已关闭，则执行打开 setGprsEnabled(context, true ); System.out.println( "开启" ); //返回修改后的GPRS状态 return !isOpen; //检测GPRS是否打开 public static boolean gprsIsOpenMethod (Context context) { ConnectivityManager mCM = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); Class cmClass = mCM.getClass(); Class[] argClasses = null ; Object[] argObject = null ; Boolean isOpen = false ; try { Method method = cmClass.getMethod( "getMobileDataEnabled" , argClasses); isOpen = (Boolean) method.invoke(mCM, argObject); } catch (Exception e) { e.printStackTrace(); return isOpen; //开启/关闭GPRS public static void setGprsEnabled (Context context, boolean isEnable) { ConnectivityManager mCM = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); Class cmClass = mCM.getClass(); Class[] argClasses = new Class[ 1 ]; argClasses[ 0 ] = boolean .class; try { Method method = cmClass.getMethod( "setMobileDataEnabled" , argClasses); method.invoke(mCM, isEnable); } catch (Exception e) { e.printStackTrace();

    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />

工具类代码如下：package com.example.x.changegprs;import android.content.Context;import android.net.ConnectivityManager;import java.lang.reflect.Method;/** * Created by X on 2016/8/25. */public class Tools import java.lang.reflect.Method; import android .content.Context; import android .net.ConnectivityManager; public class M public static void setDataEnabled(int slotIdx, boolean enable,Context context) throws Exception try { int subid = SubscriptionManager.from(cont...