google android 4 4 kitkat

Notation 1: Inner classDefine an inner class to implement the Onclicklistener interface, and then register an instance of the inner class with the button.Notation 2: Anonymous inner classnotation 3: Let the activity implement Onclicklistener interface, through this to register button click event, the replication OnClick method, by judging the view, centralized processing each button click event. This method is the most commonly used method for having multiple click events.notation

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:

Java 4 Android class and object initialization1. Member Initialization Java tries its best to ensure that all variables can be properly initialized before use. 1) local variables of the method. Java implements this guarantee by compiling errors. Eg: void f(){ int i; i++; //Error , i not initialized}2) data member of the class. If it is a basic type, they all have an initial value. If it is an object

, etc.), set the Android:orientation property value to Vertical (vertical), and then start the control from the top down.3 Other layout files just like this, there's only one button placed.The configuration of the Activity_main.xml is as follows (4 buttons are simply placed):The final more important step is to configure the registered activity in the Androidmanifest.xml file, complete with the following configuration:There's a place to be aware of thi

————————————————————————————————————————|wangkuifeng0118| Address: http://blog.csdn.net/wangkuifeng0118/article/details/7028953————————————————————————————————————————Content Provider belongs to one of the components of an Android application, and as the only way to share data between applications, content Provider's primary function is to store and retrieve data and provide access to data to other applications.The

First look at the location of the Android 4.x system's certificate store:AOSP the location of the CA certificate file in the Android system is:/system/etc/security/cacerts/a series of digitally named. 0 filesMethod One:Android 4.0 already supports the user to install the root certificate, only need to put the root certificate to the SDcard root directory, and the

Requirement Description: Android developmentContent: The first part of the Big Friends VR integrated machine solutionPart two Samsung VR integrated machine solutionFrom: The time of the poemOriginal: http://www.ithome.com/html/it/235838.htmThe first part of the Big Friends VR integrated machineAs one of the leading virtual reality enterprises in China, the company has pioneered the world's first mass-produced VR machine, and in just two years, the ind

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