12/30/2023 0 Comments Set alarm in 30 minutesIn order to use resources more efficiently. Furthermore, the system cannot easily batch these requests When the system triggers exact alarms that your app sets, the deviceĬonsumes a great deal of resources, such as battery life, especially if it's inĪ power-saving mode. Invocation of the alarm can significantly affect the device's resources, Caution: When your app schedules an exact alarm using this method, the Modes if necessary to deliver the alarms. System identifies these alarms as the most critical ones and leaves low-power Highly visible to users, the system never adjusts their delivery time. Invoke an alarm at a precise time in the future. Invoke an alarm at a nearly precise time in the future, even if battery-saving Use this method to set exact alarms, unless your app's work is Invoke an alarm at a nearly precise time in the future, as long as otherīattery-saving measures aren't in effect. Time-critical tasks but demand more system resources. These methodsĪre ordered such that the ones closer to the bottom of the list serve more Your app can set exact alarms using one of the following methods. Note that, if your app targets Android 12 or higher, the smallestĪllowed window length is 10 minutes. User-specified action that can happen within a specified time window Use an inexact alarm. User-specified action that should happen after a specific time Use an inexact alarm. User-specified action that should happen after a specific time (even if system in idle state) Use an inexact alarm. You can provide a repeat interval and flexInterval (15 minutes minimum) toĭefine granular runtime for the work. Scheduled background work, such as updating your app and uploading logs WorkManager provides a way to schedule timing-sensitive periodic Note that these APIs rely on system uptimeĪnd not real time. Methods to handle timing operations, such as doing some work every The following list shows common workflows that may not require an exact alarm: Scheduling timing operations during the lifetime of your app The Handler class includes several good Use cases that might not require exact alarms Note: If your app targets Android 12 or higher, you must Or a calendar app-then it's OK to use an exact alarm instead. If your app's coreįunctionality depends on a precisely-timed alarm-such as for an alarm clock app Most apps can schedule tasks and events using inexact alarms toĬomplete several common use cases. The system invokes an exact alarm at a precise moment in the future. The time between two consecutive invocations of the alarm can vary.
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