android checkin service

Intentservice Service is also a service of wirelessly, it inherits with the service, but unlike Servcie, it opens a new thread to handle all requests, does not need the UI waits for processing, the Onstartcommand method sends all requests to the work queue, , and then sent by the work queue to onhandlerintent for processing1.interservice by default, a new thread

Activity appears to be an application's eye, providing a window of interaction with the user.Broadcastreceiver seemed to be ears, receiving intent from all sides.The service is running in the background.A service is a section of a life cycle, without a user-interface program. A good example of this is the one that is being played from the playlistThe media player that plays the song. In a media player appli

Brief introduction:This article describes how developers ' apps use media storage services (including Mediascanner, Mediaprovider, and media information parsing) in Android, and how to update the app's new or modified files to the media database, How to hide the files generated by the app in the multimedia application, how to monitor the changes of the media database and so on.Android has an original set of media storage services, the process name is

Exploration of positioning service (GPS) on Android platform) Note: Do not forget to add permissions for all of the following operations: Locationmanager You can use locationmanager to locate, track, and approaching devices. It does not need to be instantiated directly. We can use context. getsystemservice (context. location_service). To obtain the locationmanager instance. Common attributes and Metho

Android Serial Port Data Reading service, android serial port 2016-09-1813: 10: 03 Inherit from the Service and define the abstract method onDataReceived. The subclass obtains the received data callback by implementing the abstract method. 1 package com.zrsoft.liftad.serialport; 2 3 import java.io.File; 4 import java

The example in this article describes how the Android implementation determines whether a service is running. Share to everyone for your reference, specific as follows: /** * The method of determining whether a service is running * * @param mcontext * @param serviceName * is the package name + The class name of the

Android service Summary 1. Start a service using the startservice method. The service cannot start itself. If you start an activity in a service, you must declare a brand new activity TASK. Services started using the startservice method will not die as the startup components

stopService, the Activity ends and the Service is still running. The Service started by bindService can be ended by unbindService, or automatically ends after the Activity ends (onDestroy. The Service status of Activity. finish () changes after startService, and the Service is still running. Is the

ongoing Notification this becomes the front desk service? The answer is no, the front desk will need to call Startforeground (Android 2.0 and later) or Setforeground (previous versions of Android 2.0) to make the service a front desk after doing the above work. The advantage of this is that the ongoing Notification wi

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My Android advanced tutorial ------) the intent in the onStartCommand () method of service in android is null Today, when I was maintaining a company APP, a null pointer suddenly went wrong, Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.content.Intent.getBooleanExtra(java.lang.String, boolean)' on a null object refer

Android basic notes (16)-Service: startService (), stopService (), bindService (), unbindService () Supplement, android learning notes Open door First Second Third Summary Open door You can enable the Service in three cases: if you use the service directly, there i

The example in this article describes how Android is programmed to get a mobile phone back-office service. Share to everyone for your reference, specific as follows: public static String Getrunningservicesinfo {StringBuffer serviceinfo = new StringBuffer (); Final Activitymanager Activitymanager = (activitymanager) context. Getsystemservice (Context.activity_service); List I hope this article

. It does not occupy the application, such as the thread to which the activity belongs, but is executed in the single-thread background, so that the user experience is better.Remote service is used between applications in the Android system.It can perform program operations through APIS defined and exposed by itself. The client establishes a connection to the service