Android 中频和广播接收机

在BroadcastReceiver类中，我有这段代码，但我不明白为什么FirstNotify不运行。如果我删除If循环，alarmmanager将正常运行。另外，价值观也可以（我有一个祝酒词向我展示它）。是否存在“如果”问题

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您应该用

else

完成

if

。如果您点击了

else

，则记录错误

还要检查

if

中的所有条件，例如

notify

和CheckBoxPreference的值是多少。这将帮助您自己调试代码

   if (CheckboxPreference){
        if (notify.equals("1")){
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal1.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, morningAlarm);
        }

        else if (notify.equals("2")){
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal1.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, morningAlarm);
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal3.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, eveningAlarm);
        }
        else if (notify.equals("3")){
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal1.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, morningAlarm);
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal2.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, middleAlarm);
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal3.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, eveningAlarm);
        }
        else {
           // Log something
        }
    }  
    else {
       // Log CheckBoxPref false

    }

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您的代码似乎没有问题。但是，您可以尝试

if（notify.trim（）.equals（…）

，或者您是否以某种方式验证了您正在进入

if（）

块？

   if (CheckboxPreference){
        if (notify.equals("1")){
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal1.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, morningAlarm);
        }

        else if (notify.equals("2")){
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal1.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, morningAlarm);
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal3.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, eveningAlarm);
        }
        else if (notify.equals("3")){
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal1.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, morningAlarm);
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal2.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, middleAlarm);
            alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, cal3.getTimeInMillis(), DateUtils.DAY_IN_MILLIS, eveningAlarm);
        }
        else {
           // Log something
        }
    }  
    else {
       // Log CheckBoxPref false

    }