System Broadcast Intent

A special Intent sent by the system when events occur on the phone. Examples include:

• android.intent.action.SCREEN_ON
• android.intent.action.MEDIA_MOUNTED
• android.intent.action.HEADSET_PLUG
• android.intent.action.BATTERY_LOW
• android.intent.action.DOWNLOAD_COMPLETE
• android.media.AUDIO_BECOMING_NOISY

In order for your app to listen out for any of these System Broadcast Intents you will needs to set up a Broadcast Receiver.