Android设置系统时间

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##AlarmManager方式

/*****************************************************************************
     Prototype    : getAndroidSysteTime
     Description  : get android SystemTime
     Input        : None
     Output       : None
     Return Value : public
     Calls        : 
     Called By    : 
     
      History        :
      1.Date         : 2018/9/28
        Author       : 
        Modification : Created function

    *****************************************************************************/
    public void getAndroidSysteTime(){
        try {
            int zone = (TimeZone.getDefault().getRawOffset()) / 3600000;
            int mode = getHourMode();

            if (mode != McuTimeInfo.ClockMode.INVALID.mode) {
                int year = Calendar.getInstance().get(Calendar.YEAR);
                int month = Calendar.getInstance().get(Calendar.MONTH) + 1;
                int day = Calendar.getInstance().get(Calendar.DATE);
                int hour = Calendar.getInstance().get(Calendar.HOUR);
                int minute = Calendar.getInstance().get(Calendar.MINUTE);
                int second = Calendar.getInstance().get(Calendar.SECOND);

                // 24小时制
                if (McuTimeInfo.ClockMode.ROUND_HOUR.mode == mode) {
                    hour = Calendar.getInstance().get(Calendar.HOUR_OF_DAY);
                }
                
                Log.d(TAG, "get android system time,zone:" + zone + ",mode: " + mode + "," + year + "/"
                        + month + "/" + day + "," + hour + ":" + minute + ":"+ second);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /*****************************************************************************
     Prototype    : setAndroidSystemTime
     Description  : set android system time
     Input        : int mode    
                    int year    
                    int month   
                    int day     
                    int hour    
                    int minute  
                    int second  
     Output       : None
     Return Value : public
     Calls        : 
     Called By    : 
     
      History        :
      1.Date         : 2018/9/28
        Author       : 
        Modification : Created function

    *****************************************************************************/
    public void setAndroidSystemTime(int mode, int year, int month,
                    int day, int hour, int minute, int second){
        Calendar c = Calendar.getInstance();
        if (mode == Calendar.AM) {
                c.set(Calendar.AM_PM, Calendar.AM);
        } else {
                c.set(Calendar.AM_PM, Calendar.PM);
        }
        c.set(Calendar.YEAR, year);
        c.set(Calendar.MONTH, month);
        c.set(Calendar.DAY_OF_MONTH, day);

        c.set(Calendar.HOUR, hour);//HOUR_OF_DAY
        c.set(Calendar.MINUTE, minute);
        c.set(Calendar.SECOND, second);
        c.set(Calendar.MILLISECOND, 0);

        long when = c.getTimeInMillis();

        if (when / 1000 < Integer.MAX_VALUE) {
            ((AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE)).setTime(when);
        }
   }

###需要配置权限，并且app要具有系统权限

<uses-permission android:name="android.permission.SET_TIME" />
<uses-permission android:name="android.permission.SET_TIME_ZONE" />