要求:-我需要在一周的选定日期和警报开始的日期触发警报(例如,我想在 2017 年 5 月 26 日下午 6:45 开始的每周周五和周六触发警报)
Requirement :- I need to fire alarm on selected days of a week and a date from which alarms would start(for example I want to fire alarm on Friday and Saturday of every week starting from May 26, 2017 at 6:45 PM)
问题:-当 AlarmManager setInexactRepeating、setWindow 或 setRepeating 方法在循环内被调用时,BroadcastReceiver 的 onReceive() 方法不会执行.
Problem:- BroadcastReceiver's onReceive() method does not executes when AlarmManager setInexactRepeating, setWindow or setRepeating methods are called from within a loop.
用于此任务的代码如下所述:-AndroidManifest.xml
Code used for this task is mentioned below:- AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="schemas.android/apk/res/android" package="com.hiappz.remindersample"> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/MainThemeBlueAccent"> <activity android:name=".Activities.MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name=".Activities.ActivitySaveReminder" android:screenOrientation="portrait" android:theme="@style/MainThemeBlueAccent" android:windowSoftInputMode="adjustNothing" /> <receiver android:name=".Activities.MedicineReminderAlarmReceiver" android:process=":remote"> <!--<intent-filter> <action android:name="android.intent.action.NOTIFY"/> </intent-filter>--> </receiver> <receiver android:name=".Activities.AlarmBootCompletedReceiver" android:exported="false" android:enabled="true" android:permission="android.permission.RECEIVE_BOOT_COMPLETED"> <intent-filter> <action android:name="android.intent.action.BOOT_COMPLETED"/> <category android:name="android.intent.category.DEFAULT"/> </intent-filter> </receiver> </application> <uses-permission android:name="com.android.alarm.permission.SET_ALARM"/> </manifest>ActivitySaveReminder.java
ActivitySaveReminder.java
public class ActivitySaveReminder extends AppCompatActivity{ onCreate() { fireAlarmOnWeekDays(); } public void fireAlarmOnWeekDays() { long[] weekDaysMillisecondsArr = {1495737000000l, 1495823400000l}; long[] alarmStartMillisArr = {1495801680000l}; Calendar calendar = Calendar.getInstance(); for (int i = 0; i < weekDaysMillisecondsArr.length; i++) { calendar.setTimeInMillis(weekDaysMillisecondsArr[i]); Log.d(TAG, "fireAlarmOnWeekDays: -->> selected day time stamp --> "+calendar.getTime()); for (int j = 0; j < alarmStartMillisArr.length; j++) { int id = new Random().nextInt(); Intent intentRemiderAlarm = new Intent(mContext, MedicineReminderAlarmReceiver.class); PendingIntent pendingIntent = PendingIntent.getBroadcast(mContext, id, intentRemiderAlarm, PendingIntent.FLAG_UPDATE_CURRENT); AlarmManager alarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); pendingIntentsList.add(pendingIntent); if (Build.VERSION.SDK_INT >= 19) { alarmManager.setWindow(AlarmManager.RTC_WAKEUP, alarmStartMillisArr[j], AlarmManager.INTERVAL_DAY * 7, pendingIntent); // alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, alarmStartMillisArr[j], AlarmManager.INTERVAL_DAY * 7, pendingIntent); // alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, alarmStartMillisArr[j], AlarmManager.INTERVAL_DAY * 7, pendingIntent); } else { alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, alarmStartMillisArr[j], AlarmManager.INTERVAL_DAY * 7, pendingIntent); } Log.d(TAG, "fireAlarmOnWeekDays: -->> alarm start time -->> "+alarmStartMillisArr[j] + " id -->> "+id); } } } }MedicineReminderAlarmReceiver.java
MedicineReminderAlarmReceiver.java
ublic class MedicineReminderAlarmReceiver extends BroadcastReceiver { private final String TAG = "MedicineRemindrAlrmRcvr"; @Override public void onReceive(Context context, Intent intent) { if (BuildConfig.DEBUG) { Log.d(TAG, "onReceive: -->> executed"); Log.d(TAG, "onReceive: -->> System.currentTimeMillis() -->> "+ System.currentTimeMillis()); } } }styles.xml
<style name="MainThemeBlueAccent" parent="Theme.AppCompat.Light.NoActionBar"> <item name="windowNoTitle">true</item> <item name="windowActionBar">false</item> <item name="colorPrimary">@color/status_bar_color</item> <item name="colorPrimaryDark">@color/status_bar_color</item> <item name="colorAccent">@color/blue_color</item> <item name="android:actionMenuTextColor">@color/text_heading_color_black</item> <item name="actionMenuTextColor">@color/text_heading_color_black</item> <item name="android:textColorSecondary">@color/text_sub_heading_color_light_black</item> </style>strings.xml
strings.xml
<string name="app_name">ReminderSample</string> 推荐答案试试这个代码它适用于周五闹钟,同样你可以设置为周六首先你必须注册你的闹钟接收器和闹钟时间
public static void SetAlarmForFriday(Context mContext) { try { Calendar calendar = Calendar.getInstance(); calendar.set(Calendar.DAY_OF_WEEK, Calendar.FRIDAY); System.out.println("Date " + calendar.getTime()); int year = calendar.get(Calendar.YEAR); int month = calendar.get(Calendar.MONTH) + 1; int day = calendar.get(Calendar.DAY_OF_MONTH); String DateToConvert = day + "," + month + "," + year + " 10:10 AM"; Date date = new SimpleDateFormat("dd,MM,yyyy hh:mm a", Locale.ENGLISH).parse(DateToConvert); Intent intent = new Intent(mContext, AlarmReceiver.class); intent.setAction("setYourActionHere"); PendingIntent pendingIntent = PendingIntent.getBroadcast(mContext.getApplicationContext(), 234324243, intent, 0); AlarmManager alarmManager = (AlarmManager) mContext.getSystemService(mContext.ALARM_SERVICE); alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, date.getTime(), AlarmManager.INTERVAL_DAY, pendingIntent); } catch (Exception ex) { ex.printStackTrace(); } }创建接收器类
public class AlarmReceiver extends BroadcastReceiver { public AlarmReceiver() { } @Override public void onReceive(Context context, Intent intent) { // TODO: This method is called when the BroadcastReceiver is receiving // an Intent broadcast. } }在应用程序标签下的清单文件中注册您的广播接收器
<receiver android:name=".AlarmReceiver" android:enabled="true" android:exported="true"></receiver>更多推荐
AlarmManager setInexactRepeating、setWindow、setRepeating 方法在工作日从循环内调用时不会触发警报
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