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Properly handle exact alarms

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- Use `USE_EXACT_ALARM` permission on API 33 and above
 - Degrade to `setAndAllowWhileIdle` just in case `canScheduleExactAlarms()` returns false on some wierd device
This commit is contained in:
Naveen 2023-09-05 12:28:47 +05:30
parent 12837680e1
commit dc81fddd05
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GPG key ID: 0E155DAD31671DA3
2 changed files with 30 additions and 25 deletions
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5
app/src/main/AndroidManifest.xml
View file

@ -9,10 +9,13 @@
<uses-permission android:name="android.permission.READ_CALENDAR" />
<uses-permission android:name="android.permission.WRITE_CALENDAR" />
<uses-permission android:name="android.permission.WAKE_LOCK" />
<uses-permission android:name="android.permission.SCHEDULE_EXACT_ALARM" />
<uses-permission android:name="android.permission.USE_EXACT_ALARM" />
<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
<uses-permission
android:name="android.permission.SCHEDULE_EXACT_ALARM"
android:maxSdkVersion="32" />
<uses-permission
android:name="android.permission.WRITE_EXTERNAL_STORAGE"
android:maxSdkVersion="28" />

50
app/src/main/kotlin/com/simplemobiletools/calendar/pro/extensions/Context.kt
View file

@ -20,7 +20,6 @@ import android.provider.CalendarContract
import android.view.LayoutInflater
import android.view.ViewGroup
import android.widget.LinearLayout
import androidx.core.app.AlarmManagerCompat
import androidx.core.app.NotificationCompat
import androidx.print.PrintHelper
import com.simplemobiletools.calendar.pro.R
@ -136,28 +135,24 @@ fun Context.scheduleNextEventReminder(event: Event, showToasts: Boolean) {
}
}
fun Context.scheduleEventIn(notifTS: Long, event: Event, showToasts: Boolean) {
if (notifTS < System.currentTimeMillis()) {
fun Context.scheduleEventIn(notifyAtMillis: Long, event: Event, showToasts: Boolean) {
val now = System.currentTimeMillis()
if (notifyAtMillis < now) {
if (showToasts) {
toast(com.simplemobiletools.commons.R.string.saving)
}
return
}
val newNotifTS = notifTS + 1000
val newNotifyAtMillis = notifyAtMillis + 1000
if (showToasts) {
val secondsTillNotification = (newNotifTS - System.currentTimeMillis()) / 1000
val secondsTillNotification = (newNotifyAtMillis - now) / 1000
val msg = String.format(getString(com.simplemobiletools.commons.R.string.time_remaining), formatSecondsToTimeString(secondsTillNotification.toInt()))
toast(msg)
}
val pendingIntent = getNotificationIntent(event)
val alarmManager = getSystemService(Context.ALARM_SERVICE) as AlarmManager
try {
AlarmManagerCompat.setExactAndAllowWhileIdle(alarmManager, AlarmManager.RTC_WAKEUP, newNotifTS, pendingIntent)
} catch (e: Exception) {
showErrorToast(e)
}
setExactAlarm(newNotifyAtMillis, pendingIntent)
}
// hide the actual notification from the top bar
@ -186,19 +181,11 @@ fun Context.scheduleNextAutomaticBackup() {
if (config.autoBackup) {
val backupAtMillis = getNextAutoBackupTime().millis
val pendingIntent = getAutomaticBackupIntent()
val alarmManager = getSystemService(Context.ALARM_SERVICE) as AlarmManager
try {
AlarmManagerCompat.setExactAndAllowWhileIdle(alarmManager, AlarmManager.RTC_WAKEUP, backupAtMillis, pendingIntent)
} catch (e: Exception) {
showErrorToast(e)
}
setExactAlarm(backupAtMillis, pendingIntent)
}
}
fun Context.cancelScheduledAutomaticBackup() {
val alarmManager = getSystemService(Context.ALARM_SERVICE) as AlarmManager
alarmManager.cancel(getAutomaticBackupIntent())
}
fun Context.cancelScheduledAutomaticBackup() = getAlarmManager().cancel(getAutomaticBackupIntent())
fun Context.checkAndBackupEventsOnBoot() {
if (config.autoBackup) {
@ -568,13 +555,13 @@ fun Context.scheduleCalDAVSync(activate: Boolean) {
syncIntent,
PendingIntent.FLAG_UPDATE_CURRENT or PendingIntent.FLAG_IMMUTABLE
)
val alarm = getSystemService(Context.ALARM_SERVICE) as AlarmManager
alarm.cancel(pendingIntent)
val alarmManager = getAlarmManager()
alarmManager.cancel(pendingIntent)
if (activate) {
val syncCheckInterval = 2 * AlarmManager.INTERVAL_HOUR
try {
alarm.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + syncCheckInterval, syncCheckInterval, pendingIntent)
alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, System.currentTimeMillis() + syncCheckInterval, syncCheckInterval, pendingIntent)
} catch (ignored: Exception) {
}
}
@ -917,3 +904,18 @@ fun Context.addImportIdsToTasks(callback: () -> Unit) {
}
}
}
fun Context.getAlarmManager() = getSystemService(Context.ALARM_SERVICE) as AlarmManager
fun Context.setExactAlarm(triggerAtMillis: Long, operation: PendingIntent, type: Int = AlarmManager.RTC_WAKEUP) {
val alarmManager = getAlarmManager()
try {
if (isSPlus() && alarmManager.canScheduleExactAlarms() || !isSPlus()) {
alarmManager.setExactAndAllowWhileIdle(type, triggerAtMillis, operation)
} else {
alarmManager.setAndAllowWhileIdle(type, triggerAtMillis, operation)
}
} catch (e: Exception) {
showErrorToast(e)
}
}