Sdwebimage framework in the process of automatic disk caching, the underlying implementation of the cache size, the framework of the method name is GetSize, but the method is not easy to understand, I wrote a new, annotatedBasic idea: 1. Remove the
Honestly, it never occurred to me that validating input is such a hard thing.Many online verification is done after the input is verified, my idea is to enter the time limit input, so I don't have to write code to verify theshould be the mobile
(1):Android architecture; Application layer (applications), Application framework layer (application framework), System Runtime Layer (librarries), Linux kernel layer (Linux Kernel);(2) the role of folders in Android projects:
NO.
Android Studio:1. Download Android Studio, unzip to local, VI bin/idea.property, add isable.android.first.run=true, open andriood Studio Welcome screen2. Configure->settings->http Proxy set local agent mirrors.neusoft.edu.cn:803. Download the latest
First, LinearLayout linear layout(1) Linear layout is divided into vertical and horizontal two directionsandroid:orientation= "vertical" android:orientation= "horizontal"(2) Definition width and heightFull parent container: match_parent based on
Apple high-end Udid private custom multi-key forwarding how to prevent agent affair? Now in addition to the UDID custom one-button forwarding there are some activation code version, we use the purchase of these activation code version of the use of
IntroductionRecyclerview is the support-v7 used to replacethe LISTV iew components. The Recyclerview widget is more advanced and more flexible than the ListView. This widget is a container for displaying large datasets that can be used to perform
Keep track of some of the shortcuts you collect and use frequently.Command +1~ 8: Jump to different positions in the Navigation Area Command +0: Show/Hide Navigation areaCommand Alt 1~ 6: Jump between different detectors ctrl+command+ Switch
The jnilibs in the app directory under android view corresponds to the Libs directory under the Project view appCopy the jar package or the folder with so files (typically named as processor model: Arbeabi arm64-v8a) to the directory mentioned
Android, only the main thread can modify the UI value, Workthread can not be modified. So running a more time-consuming program in Workthrean, that is, getting the data in Workthread, then sending the data to the main thread, and then modifying the
Android and iOS system, in the app embedded in the M version, sometimes found that the iOS above the battery status bar does not occupy a position, but the status of the Android State Bar placeholder, so you need to distinguish the system style
Sharedpreferences a lightweight way to store data using key-value pairs for storing small batches of data: Sharedpreferences sp=getsharedpreferences ("myopt" (filename), Context.mode_private (data storage mode)); Store file name, data will be saved
New stock draw thick come, welcome to the star's Said (*^__^*) Hee ...The kneading function is ready to be perfected.Github:https://github.com/yate1996/yystockLong press time chart + five file diagramTime-sharing chart + five-file chartLong press
The Android system has a total of 4 layers from the bottom up and each layer encapsulates the underlying implementation and exposes the calling interface to the previous layer.1. Linux kernel (Linux Kernel)1) Android runs on Linux kernel 2.6, but
Tag:ica option response nsfile pre upload effects traverse manager filepath is the path to upload to the server picture, if it is a picture, you can create a new image object, to obtain a path, such as a known UIImage
About Android Assets read files for file object problem, assets inside the file, in the use of the time, is generally used Assetmanger object, open method to get InputStreamAnd then do other things.Here encountered this demand, directly to the
IntroductionSlidingmenu as a sliding sidebar is mainly used instead of the Android traditional menu menus.Import MethodSlidingmenu previously relied on another open source Library Actionbarsherlock, but is now replaced by AppCompat. Only need to
Clean up a single app cacheCalling methods by reflectionPermission required: Android.permission.DELETE_CACHE_FILES.The above permission is the system permission, the mobile phone defender application is the user application, cannot obtain this
iOS Interview Technical Summary point (for reference):Multithreaded run timeRunloopApp FrameworkSeveral kinds of animation programmingJsonmodel principleSdwebimage principleMasonry how to apply and principleWhat are the application frameworksTalk
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