android 4 4 kitkat

Android FM module learning-4 source code analysis (7) Now we analyze androidendorqcomopensourcemmapp2srccomcafmradioStationListActivity. java In the protectedvoid onCreate (Bundle savedInstanceState) method Bind FMRadioService BindService (newIntent (). setClass (this, FMRadioService. class), osc, 0 ); Instantiate a ListView object MStationList = (ListView) findViewById (R. id. station_list ); Context Menu

Android FM module learning-4 source code analysis (3) I have been busy with projects recently and have no time to update documents. I hope you can learn more and use it today! This chapter also analyzes the source code of the FM module. FmReceiver. java publicFmReceiver(String devicePath,FmRxEvCallbacksAdaptor callback) throwsInstantiationException { mControl = new FmRxControls(); mRxEvents = new

Android Baidu map SDK v3_3_0 (4), androidv3_3_0 Reprinted please indicate the source: http://blog.csdn.net/tanzuai/article/details/43833125 Functions to be implemented in this blog First: The above is what we will achieve. 1. First, we will introduce the functions to be implemented: A. Change the coordinates B. Change the coordinate icon C. Delete the icon D. The coordinates change at intervals. Clear. cle

Android open-source framework Universal-Image-Loader learning 4 -- some subsets of LimitedMemoryCache LRULimitedMemoryCache source code: /*** (Cache size limited) Size of all stored bitmaps will not to exceed size limit. * (deletion policy LRU) When cache reaches limit size then the least recently used bitmap is deleted from cache. * NOTE: This cache uses strong and weak references for stored Bitmaps. * us

Android open-source framework Universal-Image-Loader learning 4 -- some subsets of LimitedMemoryCache, androidloader LRULimitedMemoryCache source code: /*** (Cache size limited) Size of all stored bitmaps will not to exceed size limit. * (deletion policy LRU) When cache reaches limit size then the least recently used bitmap is deleted from cache. * NOTE: This cache uses strong and weak references for store

1. Activity2. Broadcastreceiver3.services4.contentProviderA. The broadcast recipient ,---------------trigger the Onreceiver method when the specified broadcast is received. This class needs to inherit Broadcastreceiverpublic void OnReceive (context context, Intent Intent) {Broadcast triggers need to be included in the configuration listCan also be configured by codeRegistration of broadcasting, cancellation of registration Unregisterreceiver (receiver);New mybroadrecastreceiver (); // Create Int

Javax.mail.AuthenticationFailedExceptionBackground: JavaMail sending e-mailException Reason:Possible one > Sender account number, wrong passwordMay b > need to use SSL security authenticationThe solutions are:Resolve a > Check account number and password, password is pop3/smtp authorization code or email passwordResolution two > Use SSL security AuthenticationNote:Final String smtpport = "465";Props.setproperty ("Mail.smtp.port", Smtpport);Props.setproperty ("Mail.smtp.socketFactory.class", "jav

Android Technology Book 4Java Concurrent Programming combat1 Introduction2 Thread Safety3 sharing of objects4 combination of objects5 basic building Blocks6 Task Execution7 Cancel and closeuse of the 8 thread pool9 Graphical user interface applications10 avoiding the danger of being sexually active11 Performance and scalability12 Testing of concurrent programs13 Display Lock14 Building a custom sync tool15 Atomic variable and non-blocking synchronizat

is not very good, does not recommend Method 2:onuserleavehint Method Copy Code code as follows: @Override protected void Onuserleavehint () { LOG.D ("Aeon", "Onuserleavehint"); Super.onuserleavehint (); } This method will be executed before onsaveinstancestate, and this method is more appropriate according to the API explanation. Method 3:action_close_system_dialogs Action_close_system_dialogs can be used in radio monitoring Copy Code code as follows:

Source: http://www.imooc.com/code/1432The function of continue is to skip the remaining statements in the loop body to perform the next loop.For example, to print all the even numbers between 1--10, use the continue statement to implement the code:Operation Result:TaskImplementation function: Ask for all even numbers between 1 and 10.Implementation of the idea: Define a variable sum to save the cumulative value, define a variable I save 1 to 10 integer, iterate and judge, if I cannot be divisibl

Android is now implementing the tab type interface more and more, today the common implementation of the way to give you a summary. It is now written: 1, the traditional Viewpager implementation 2, Fragmentmanager+fragment implementation 3, Viewpager+fragmentpageradapter implementation 4, Tabpageindicator+viewpager+fragmentpageradapter 1, the traditional Viewpager implementation The main thing is view

Fifth, add a new interface code listing 5-1 add a string resource (Strings.xml)Code Listing 5-2 layout component definition for the second activity (Activity_cheat.xml) Code Listing 5-3 overrides OnCreate (...) Method (Cheatactivity.java) Listing 5-4 is declared in the manifest configuration file cheatactivity (androidmanifest.xml) Code Listing 5-5 Add Cheat button (layout/activity_quiz.xml) in default layout Listing 5-6 Adding the cheat button to the

Android system development (4) -- AutotoolsComposition of Autotools 1. autoscan Autoscan is used to scan the source code directory to generate the configure. san file. configure. san contains the basic options for system configuration, which are macro definitions. We need to change its name to configure. in. 2. aclocal Aclocal is a perl script program. Aclocal automatically generates the aclocal. m4 file ba

!")); - System.out.println (); - } -}The result becomes:Please input test results information: 8 Total added !In fact, the score is not more than 61.You can use the IDE to debug breakpoints at this timeSteps:1. Set breakpointsFor example, set a breakpoint on the line where the loop is judgedTo set a breakpoint, double-click on the left side of the rowFor example, below the 18-row position, when you double-click Done, you can see that the position becomes a dotThen click on the Debugger butto

Android mobile guard-navigation interface 3, 4 and function list interface jump logic processing, android4 and It took just a moment to write the layout of the navigation interface 3 and 4 and the corresponding jump logic: The Setup3Activity code is as follows: /** * Created by wuyudong on 2016/10/10. */public class Setup3Activity extends Activity{ @Override

In the QQ project, we have implemented the background operation of the notification bar and sent new message prompts. Generally, we often use two components toast and notification during Message notification. In particular, it is most appropriate to use notification to display important and long-time information. When there is a message notification, the status bar displays the notification icon and text. You can see the notification information through the drop-down status bar.

In development, you often encounter the need to get control size after activity initialization is complete.However, this operation cannot be called in the OnCreate, Onresume, and other life cycle methods because we do not know when the view will be initialized to completeTo this end, a summary of the four implementation methods1, activity/view#onwindowfocuschanged This method is the listener focus pity Dorado, but in many cases it may be called multiple times and needs to be handled appropriate

First, the three elements of the event:Event Source: Source of event occurrenceEvent: Behavior (click, touch ...)Event listener: What to do when an event occursSecond,Onclicklistener (Click event)Interface definition: public static interface View. Onclicklistener {public void OnClick (view view);}1 protected voidonCreate (Bundle savedinstancestate) {2 Super. OnCreate (savedinstancestate);3 Setcontentview (r.layout.focus);4Button bt= (button)Super. Findviewbyid (R.ID.FOCUSBT1);5 //Set lis

There are a number of ways to implement TextView text links in Android. In summary, there are about 4 kinds.： 1. When the text appears in the URL, E-mail, telephone number, etc., you can set the TextView Android:autolink property to the corresponding value, if all types come out is android:autolink= "all". Of course, can also be done in Java code, textview01.setautolinkmask (Linkify.all); 2. The text to b

the whole application talk about already almost, after this article, I will upload source to resources, like can download and learn, today, the alarm clock start setting, set page loadingIn Android, the alarm and wake functions are controlled and managed by the Alarm Manager service. We are familiar with the RTC alarm clock and timer have a great relationship with it. For your convenience, I often call this service a alms.In addition, ALMS provides a