Calling goAsync () in your receiver's onReceive () method and passing the BroadcastReceiver.PendingResult to a background thread. This keeps the broadcast active after returning from onReceive (). However, even with this approach the system expects you to finish with the broadcast very quickly (under 10 seconds).
In this manner, BroadcastReceievers are designed to run only when some broadcast is received (System broadcast or user defined broadcast). In case you want to run some code every minute, you can create a service and schedule it for every minute run using an Alarm Manager. In fact, What is BroadcastReceiver. Broadcastreceiver is very important component of android listens to system-wide broadcast events or intents. When any of these events occur it brings the application into action by either creating a status bar notification or performing a task. BroadcastReceiver doesn’t contain any user interface. Keeping this in consideration, In this, one broadcast is delivered only to one receiver at a time. When a receiver receives a broadcast it’s up to the receiver to pass or abort the broadcast. If a receiver wants, it passes the broadcast to the next receiver else the broadcast doesn’t reach the next receiver. Subsequently, The state of your BroadcastReceiver (whether it is running or not) affects the state of its containing process, which can in turn affect its likelihood of being killed by the system. For example, when a process executes a receiver (that is, currently running the code in its onReceive () method), it is considered to be a foreground process.
7 Similar Question Found
How does the state of a broadcastreceiver affect a process?
The state of your BroadcastReceiver (whether it is running or not) affects the state of its containing process, which can in turn affect its likelihood of being killed by the system. For example, when a process executes a receiver (that is, currently running the code in its onReceive () method), it is considered to be a foreground process.
How to register a receiver in android broadcastreceiver?
Alternatively to this static registration, you can also register a receiver dynamically via the Context.registerReceiver () method. The implementing class for a receiver extends the BroadcastReceiver class. If the event for which the broadcast receiver has registered happens, the onReceive () method of the receiver is called by the Android system.
What does goasync do in android broadcastreceiver?
Since Android API 11 you can call the goAsync () method. This method returns an object of the PendingResult type. The Android system considers the receiver as alive until you call the PendingResult.finish () on this object.
What is the use of android : exported in broadcastreceiver-stack?
From the Developer Guide: android:exported Whether or not the broadcast receiver can receive messages from sources outside its application — "true" if it can, and "false" if not. If "false", the only messages the broadcast receiver can receive are those sent by components of the same application or applications with the same user ID.
How is the broadcastreceiver class used in an application?
The BroadcastReceiver class (when launched as a component through a manifest's <receiver> tag) is an important part of an application's overall lifecycle. For information about how to use this class to receive and resolve intents, read the Intents and Intent Filters developer guide.
Which is a subclass of broadcastreceiver in android?
Subclass BroadcastReceiver and implement onReceive (Context, Intent). The broadcast receiver in the following example logs and displays the contents of the broadcast:
When to inatialize broadcastreceiver onreceive on onstart?
Whereas based on similar events you want to do changes right in your app when the user is using it or maybe it’s put in the background, then it makes sense to use dynamically registered receivers which’ll last till the registering components are destroyed. Inatialize BroadcastReciver on onStart ().
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