android intentservice tutorial

class Rsspullservice extends Intentservice {public rsspullservice () {Super ("Rsspullservice");} @Overrideprotected void Onhandleintent (Intent workintent) {//Receive parameters. Do time-consuming processing. Processing is complete. Send broadcatstring localurlstring = workintent.getdatastring (); String data = Download (localurlstring), Intent localintent = new Intent (constants.broadcast_action); Puts the status into the Intentlocalintent.put

) { Toast.makeText(ToastIntentService.this, msg.getData().getString("Text"), Toast.LENGTH_SHORT).show(); super.handleMessage(msg); } }; private void showToastByMsg(final IntentService context, final CharSequence text, final int duration) { Bundle data = new Bundle(); data.putString("Text", text.toString()); Message msg = new Message(); msg.setData(data); msgHandler.sendMessage(msg);

Android IntentService, androidintent Because most startup services do not have to process multiple requests at the same time (which is dangerous in multi-threaded scenarios), it is a good choice to use the IntentService class to implement the service. This experience will teach you how to use IntentService by inheritin

Use IntentService in Android to execute background tasks IntentService provides a way to execute tasks in background threads and is suitable for processing background tasks with long execution time. Advantages: (1) IntentService runs in a separate thread and does not block the UI thread (2)

= ". Servicedownloader ">Command mode: IntentserviceWriting your own service inherits the service class of Android, or the subclass of the service Intentservice. There are two ways to trigger a service, one is to send a command, that is, the command pattern of this learning, a binding service, and a two-way communication channel between services. The command mode example is the HTTP remote download file ser

-consuming logic and operations in the service, otherwise it will cause ANR. in this case, the introduction of Intentservice,intentservice is inherited service, then it contains all the service features, of course, also contains the service life cycle, So unlike the service, Intentservice, when performing the OnCreate operation, opens a thread inside to perform

= new DownloadStateReceiver(); // Registers the DownloadStateReceiver and its intent filters LocalBroadcastManager.getInstance(this).registerReceiver( mDownloadStateReceiver, mStatusIntentFilter); ...Broadcastreceiver can handle multiple types of intent objects at the same time, and this feature can define different code for each action, without having to define the Broadcastreceiver specifically. To define an additional intentfi

First set up a intent.xmlXML version= "1.0" encoding= "Utf-8"?>LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"android:orientation= "vertical"Android:layout_width= "Fill_parent"Android:layout_height= "Fill_parent" > ButtonAndroid:id= "@+id/btnstartnormalservice"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "Start normalservice" /> ButtonAndroid:id= "@+id/btnstartintentserv

-System.currenttimemillis ()); -}Catch(interruptedexception e) { in e.printstacktrace (); - } to } + } -SYSTEM.OUT.PRINTLN ("---time-consuming task execution complete----"); the returnStart_sticky; * } $}C) Myintentservice part of the code PackageCom.example.cms.intentservice;ImportAndroid.app.IntentService;Importandroid.content.Intent;ImportAndroid.content.IntentSender;/*** Created by CMS on 2016/3/28.*/ Public classMyintentserviceextendsIntentser

Android Basics Getting Started tutorial--4.2.2 service advancedtags (space delimited): Android Basics Getting Started TutorialIntroduction to this section We learned about the service lifecycle and two ways to start the service in the previous section,This section continues with an in-depth understanding of the use instances of

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