android radio broadcast

to lock the screen, the android system will broadcast this Action message when you press the power button and press long or short to lock the screen (no matter whether the dialog box is displayed ). Intent. ACTION_CONFIGURATION_CHANGED; // Broadcast sent when the current settings of the device are changed (For details, refer to Configuration. java) Intent. A

The example in this article describes the way Android implements static broadcast listeners. Share to everyone for your reference. The implementation method is as follows: Package lab.sodino.broadcastaction; Import Lab.sodino.util.DatabaseOpenHelper; Import Lab.sodino.util.SodinoOut; Import android.app.Activity; Import Android.content.ContentResolver; Import Android.database.ContentObserver; Import An

intent.action_airplane_mode_changed; Broadcast when airplane mode is turned off or turned onintent.action_battery_changed; Charging status, or the battery's power is changedBattery charge status, charge level change, cannot receive this broadcast through the formation statement, only through Context.registerreceiver () registrationintent.action_battery_low;//indicates low battery powerintent.action_battery_

;//the broadcast intent.action_camera_button;//when the camera button is pressed (Hardware key) when the screen times out for the lock screen, when the user presses the power button, long press or short press ( The Android system broadcasts this ACTION message intent.action_close_system_dialogs;//the current settings of the device are changed (including the changes: interface language, device orientation, e

------This article reproduced from the Android plug-in principle analysis-broadcast management This series of articles is really good to write!1, overviewIn order to realize the plug-in of activity we have paid a great deal of effort; So what are the other components of the Android system, such as Broadcastreceiver,service and ContentProvider?Much simpler than ac

, the system emits a broadcast with a value of Android.provider.Telephony.SMS_RECEIVED, which is the broadcast to listen to. A Smsbroadcastreceiver instance is then created. Then call the Registerreceiver () method to register the broadcast, where Smsbroadcastreceiver instances and Intentfilter instances are passed in, This way the Smsbroadcastreceiver will recei

button is pressed (Hardware key) when the screen times out for the lock screen, when the user presses the power button, long press or short press ( The Android system broadcasts this ACTION message intent.action_close_system_dialogs;//the current settings of the device are changed (including the changes: interface language, device orientation, etc.), regardless of whether or not it jumps out of the box. Please refer to Configuration.java) intent.acti

How does Android broadcast RTMP streams?On android, live video/audio streams are a small part of attention. Every Time we discuss streaming media, RTMP (Real Time Messaging Protocol) is indispensable. RTMP is a basic live video/audio stream protocol, but unfortunately Android-standard videoView does not support RTMP pl

[Android] Android listens to apk installation and replacement to uninstall Broadcast First, you need to obtain the application installation status, in the form of Broadcast The following are application-related Broadcast actions: ACTION_PACKAGE_ADDED a new application packag

1.Android Broadcast Mechanism overviewAndroid broadcasts are divided into two areas: the broadcast sender and the broadcast receiver, usually broadcastreceiver refers to the broadcast recipient (broadcast receiver).

Broadcastreceiver (broadcast receiver) is one of the four components of Android.The following is an overview of Broadcastreceiver in Android Doc:The ① broadcast receiver is a component that focuses on receiving broadcast notification information and making the appropriate processing. Very many broadcasts originate from

Broadcastreceiver (broadcast receiver) is one of the four components of Android.The following is an overview of Broadcastreceiver in Android Doc:The ① broadcast receiver is a component that focuses on receiving broadcast notification information and making the appropriate processing. Very many broadcasts originate from

unordered broadcast, it crashes. }} public class ReceiverSelf2 extends Broadcastreceiver {Private final String TAG = "RECEIVERSELF2";@Overridepublic void OnReceive (context context, Intent Intent) {String name = Intent.getextras (). getString ("name");if (Isorderedbroadcast ()) {LOG.D (TAG, "Onreceive:getextras in orderly broadcast" +name);}else{LOG.D (TAG, "Onreceive:getextras in unordered

Androidmanifest.xml:android:name= "Com.bignerdranch.android.photogallery.PRIVATE"android: ProtectionLevel= "signature"/>android:name= " Com.bignerdranch.android.photogallery.PRIVATE "/>To use a permission, pass it as a parameter to Sendbroadcast (), with this permission, all apps must use the same permissions to accept the intent we send.How do you protect our broad receiver? Other apps can trigger it by creating their own

Category: C #, Android, VS2015;Date Created: 2016-02-28 I. INTRODUCTIONBroadcast (broadcast): It functions like a radio broadcast, you only need to transfer to that station (as long as the received class to register the broadcast to receive), you can receive this

Broadcastreceiver (broadcast receiver) is one of the four major components of Android. The following is a detailed description of the use of the broadcast receiver component. The following is an overview of Broadcastreceiver in Android Doc: The ① broadcast receiver is a co

Android broadcast Summary 1. The sendBroadcast method sends a broadcast. Package com. example. android_broadcast_normal; import android. app. activity; import android. content. intent; import android. OS. bundle; import

Two broadcast registration methods in androidBroadcastReceiver, as one of the four major Android components, has a very high role rate, especially when a lot of data is sent through broadcast, such as obtaining text message content and cell phone power. There are usually two Broadcast registration methods: 1) the

Learn android from scratch (BroadCast. 45 .) Similar to Service, there is also one of the four main components running in the background in android, which is broadCcast, but he does not need to consider whether there are accepted objects, just consider sending. We can use either of the following methods to use BroadCast