PackageExplorer lists all intent-filters defined in apps in your device To answer your question: You create the intent-filter(s) you want to be used to cause your activity to be selected when a program is looking for a service or activity. So each Activity in a Package defines it own list of intent-filters. I found it … Read more
Dagger 2 example for injecting objects into a BroadcastReceiver. The BroadcastReceiverModule.kt @Module abstract class BroadcastReceiverModule { @ContributesAndroidInjector abstract fun contributesMyTestReceiver() : MyTestReceiver } The AppComponent.kt @Singleton @Component( modules = [ (AndroidSupportInjectionModule::class), (BroadcastReceiverModule::class) ]) interface AppComponent : AndroidInjector<MyApp> { @Component.Builder abstract class Builder : AndroidInjector.Builder<MyApp>() } The Application class class MyApp : DaggerApplication() { override fun … Read more
You forgot about the permissions <uses-permission android:name=”android.permission.RECEIVE_BOOT_COMPLETED” />
I was facing the same issue with my app, what I do is use LocalBroadcastManager instead of context. Android documents also suggest using LocalBroadcastManager for sending in-app broadcast receivers. //register your receiver like this LocalBroadcastManager.getInstance(this).registerReceiver(mMessageReceiver, new IntentFilter(“custom-event-name”)); // unregister like this LocalBroadcastManager.getInstance(this).unregisterReceiver(mMessageReceiver); // broadcastlike this LocalBroadcastManager.getInstance(this).sendBroadcast(intent); Hope this will help. Thanks! 🙂
Intent android.intent.action.BOOT_COMPLETED is received after a “cold” boot. Intent android.intent.action.QUICKBOOT_POWERON is received after a “restart” or a “reboot”. Check here
AS far as permissions go, to detect the state change of bluetooth you need to add this to your AndroidManifest.xml. <uses-permission android:name=”android.permission.BLUETOOTH” /> An example receiver would look like this, you add this code to where you want to handle the broadcast, for example an activity: private final BroadcastReceiver mReceiver = new BroadcastReceiver() { public … Read more
it depends on where you have register the receiver. The complementary method pairs are onCreate – onDestroy onResume – onPause onStart – onStop if you register the receiver in the first one then unregister it in it’s ending method.
You need to declare your inner class as static. Otherwise, an inner class is associated with an instance of your outer class. Check out the Java Nested Classes tutorial for details. Here is a snippet: An instance of InnerClass can exist only within an instance of OuterClass and has direct access to the methods and … Read more
To control who is able to receive the broadcast message, you can use the method sendBroadcast: public abstract void sendBroadcast (Intent intent, String receiverPermission) where you precise the name of the required permission. If the receiver does not declare this permission, it will not be able to get the message. For example, the broadcast sender … Read more
LocalBroadcastManager is as its name says, an implementation of the broadcast methods that are only available to your app. This has some benefits, with the biggest being safety, one less hole to watch out for. In terms of implementation, there are a few things to keep in mind: This class is from the Android Support … Read more