Android

[Development Diary of Android in a row from scratch] (1)-Development Environment establishment and android entryWrite it to yourself: At this point, the University has only one year left, and the next year will officially enter the society after the

Android Fragment and androidfragmentLifecycle: OnAttach, onCreate, onCreateView, onActivityCreated, onStart, onResume, OnPause, onStop, onDestroyView, onDestroyView, onDetachThree types: DialogFragment Dialog Box-based Fragments. You can add a

Day 4, androidday Day 4-part 1 Android event processing mechanism-listener-based event processing mechanism This section introduces: Before starting this chapter, let's review the background of android and some common UI components, The six major

IOS: learning notes, Swift namespace, iosswift In Swift, namespace is implemented using class (extension) nesting. The following is a simple example. //// Main. swift // SwiftNameSpace /// Created by yao_yu on 14-8-1. // Copyright (c) 2014 yao_yu.

If you write a microblog ListView, Weibo ListView First: This is a ListView: Layout is: // picture of the Avatar // This is the name // the sender's figure // The forwarded Image // This is the bottom small icon

Js Object-Oriented Programming: data caching and js Object-Oriented Programming caching Js can also cache data to speed up processing. It is worthwhile to use space in exchange for time when necessary. For example, if it takes a long time to

Android development-Tomast and androidtomast The first time I published an article in the blog, I will share with you the prompt settings I just learned about Android development. Tomast is a frequently used method in Android. It is used for simple

Android comes with Bitmap out Memory processing, which is more convenient for third-party open-source users. It is good to practice it on your own. androidbitmap /*** @ Author intbird@163.com * @ time 20140606 */package com. intbird. utils; import

Checks whether the application is opened for the first time. In many cases, we need to check whether the user opens the application for the first time to initialize some data or open the boot interface. /* Method 1: * check whether a file exists

Day 3, androidday Day 3-part 1 Learning Part 1 of various UI Components This section introduces: In the previous section, we first experienced a process of Android development and developed a simple dialing device; Then I learned about the six la

Android database, androiddatabase In front of the database, all databases are executed directly, db.exe cute (). Today, I learned another logic from the source code of company 1.0, SecureSQLiteDatabase db = null; Try { Db = mOpenHelper.

Day 2, androidday Pig's Android getting started Day 2 Android interface development experience This section introduces: In the previous section, we have a preliminary understanding of the android system features and platform architecture; I

Umeng online parameter + automatic update and upgrade SDK implements mandatory update and upgrade for the specified version. The project has the following requirement: the specified version must be upgraded forcibly, and other versions can be

Android shape usageAndroid shape usage Shape is used to set the shape. It can be used in selector, layout, and so on. There are 6 sub-labels. Each attribute is as follows:

Android client and website data interaction implementation (Http-based Data Acquisition Method) Android clients generally do not directly access the website database, but send get or post requests like a browser, and then the website returns the

How does android get the screen height and width?We need to obtain the physical size of the screen of the Android phone or Pad to facilitate the interface design or other functions. The following describes how to obtain the physical size of a screen.

Android-Remove screen white screen from sensor controlPermission An error will be reported when the first permission is added to the xml file, but I will easily clean it. Implementation steps: Find the menu option project> clean in eclipse, select

Android-based traffic statistics and android-based traffic statistics // --------------------- Traffic statistics -------------------------------- try {PackageManager pm = getPackageManager (); ApplicationInfo ai = pm. getApplicationInfo ("com.

Datagrid and easyUIdatagrid in easyUI The datagrid is prone to errors. To sum up, you can avoid detours and avoid making further mistakes. 1. Two attributes: pageSize and pageList. The pageSize must be defined in pageList. Otherwise, an error is

Create Android startup Logo1. Remove the boot cursor of Embedded Linux:Enter the drivers/video/console/fbcon. c file in the current directory of the kernel.Comment out the content in static void fb_flashcursor (void * private) and static void