After the examination has passed, Android-driven learning has been broken for more than half a year, and now pick up learning, review the general framework of Android Drive.The core of the Android system is Java, which has a David virtual machine. Android-
Development environment: Myclipse (server side) + Eclipse (Mobile client) + MySQL databaseStudent: School number, login password, name, gender, date of birth, contact number, home addressCanteen: Canteen ID, canteen nameType of cuisine: Category ID, category nameType of Cuisine: item number, canteen, category of dish, name of dish, dish picture, price of dishes, description of dishesComments: Comment ID, rated food, rating, reviews, reviews student, comment timeSystem client and server-side Arch
Original URL: http://blog.csdn.net/mad1989/article/details/8167529Recent project to the final stage, after testing everything OK, ready to pack and submit, unexpectedly see online many tutorials, a lot of old version of the IDE, and now the implementation of the way to change, those methods are not found, around a big circle, just to understand the process, now recorded, so that friends to check.Development environment: xcode4.4.1iphonesdk:5.1.1Development machine: MacbookairReal-Machine deploym
"IT168 Technology" is probably the most frustrating thing for mobile app developers to do with their hard-to-develop apps, failure to pass an Apple AppStore audit, or encounter a rack when applying updates. Apple's AppStore review process and standards have always been opaque and have been very cumbersome to complain about. VentureBeat's columnist, the founder and CEO of Xamarin, Nat Friedman, based on the
libraries contain calls to the private API (contacting third-party technical support, updating the static library);2. Contains potential pornography, violence and other content (adjust the age limit and add the report function)ArmywinThe game contains URLs that can be redirected, rejectedThe game contains the promotion of the app not under this account, is rejectedThe app interface is so much like a Web pa
should be beautiful.ipad Special Considerations:· Your app should be available in all directions, and if you only support horizontal and vertical screens, then you need to support all two directions.· Pop-up Windows should not contain other pop-ups, that is, the pop-up window will not activate another pop-up window· Cannot eject two or more windows at a timeDetails when submitting the application file:· The program file name matches the name shown in
. After you enter the website, you can find the payment link. Apple says the website has its own payment method.40. The application requests the permission to use the geographical location, but the related functions are relatively hidden. Apple says the related functions are not found. -Post-reply instructions
41. As mentioned in the application description, it is a full-platform application that can synchronize data with other systems. Because the word "and
Android Development Review notes-Menu menu component (option Menu, context menu, sub Menu), Android menu
Menus are one of the most common elements in the user interface and are frequently used. In Android, menus are divided into three types: OptionsMenu and ContextMenu) and SubMenu ).
There are two menu implementation
-relative platform) ;
supports a large number of graphics and animations; Easy to find (inside the App Store) and rediscover (app icon will always be on the home page);
app downloads can generate profits (of course, the App Store pulls 20-30% revenue).
cons: NBSP;
High development cost
Android Development Review notes-TabHost component (1) (implement menu navigation at the bottom), Android tabhost
What is TabHost?The main function of the TabHost component is to manage applications by category. For example, you can see a graphical interface when using a windows operating system.
When talking about this component on the TabHost tab, you have to g
cleared, and the IELTS basis allows the task to be initialized with only one activity at a time.
Finishtaskonlaunch: This property and cleartaskonlaunch a bit similar, but cleartaskonlaunch effect on others, and finishtaskonlaunch role in themselves, through this attribute, When you leave the task where the activity is located, the activity will be erased when the user returns.
Alwaysretaintaskstate:task a gold medal, if the activity this property is set to True, then the activity's t
Android Development Review notes-TabHost component (2) (bottom menu navigation), Android tabhost
In the previous article "android Development Review notes -- TabHost component (1) (implementing the bottom menu navigation)", we mentioned using custom View (ImageView + TextVie
Test in Android review Android, reviewandroid
In Android, there are two types of tests:
1. Write test code in a project.
2. Create a project to write test code.
1. Write test code in a project
Steps:
1. Write a class to inherit AndroidTestCase
For example:
Package com. example. junittest; import junit. framework. as
system for thread scheduling and management
Mechanism
There is a special virtual machine process Zygote, which is an incubator of virtual machine instances. It will be generated when the system starts, it will complete the initialization of the virtual machine, library loading, prefabricated class library and initialization operations. If the system needs a new instance of the virtual machine, it will quickly replicate itself and provide the system with the fastest data. For some
, deletions, modifications
Table creation, modify table structure, delete table
2.7 JVM
What is CAS?
What are GC collectors?
Three ways to collect GC
Memory Models and partitions
Determine if an object is alive
Parental delegation Model
object creation, memory layout, object access positioning
The memory partition ratio and its characteristics in the new generation old age
Five procedures for class loading
Static dispatch and dynamic dispatch
: $JAVA _home/jre/bin: $PATH: $HOME/binSecond, the Android SDK1,: http://developer.android.com/sdk/index.htmlOfficial website translation: If You ' re a new Android developer, we recommend you download the ADT Bundle to quickly start developing apps. It includes the essential Android SDK components and a version of the Eclipse IDE with built-in ADT (
(Android review) Open Activity and return results
I. Basic knowledge points
In fact, it is easy to complete this function:
1. MainActivity
StartActivityForResult (intent, 100); // The second is the request code.
@ OverrideProtected void onActivityResult (int requestCode, int resultCode, Intent data ){Super. onActivityResult (requestCode, resultCode, data );If (data! = Null ){If (resultCode = 200) {// can i
Well, I will go to Netease's Android intern for examination tomorrow, so I will go through the previously written Android code and review it. Imagine, of course, this will not lead to too many essential changes, but I have to try it, in this case, go to the code.
1 package android. lekko. tools; 2 3 import
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