Android

Android cainiao Study Notes 1 ---- environment setup, android1 ---- Step 1 install and configure JDK: 1. Download and install JDK: Select and install the appropriate JDK version based on your system conditions. Current System: 64-bit WIN8 with 8 GB

Android fragment and Androidfragment Fragment can be used when you want to modularize the activity. We can say that fragment is a sub-activity. The following are some important features of fragment: 1. fragment has its own layout, behavior, and

Comparison of List loop traversal performance and Android performance in android In android development, we almost all need to use List to store data as long as it is a simplified style interface. If there is a small number of lists, almost any

Android Interface Optimization skills and android interface skillsThe optimization will talk about adapter from the following aspects: the simplest method, the slowest and least practical, and the convertView is used to retrieve views at an update

Android practice simple tutorial-21st gun (GridView dynamic add Item), androidgridview In this example, an added image is displayed at the end of the GridView, And the content item is dynamically added by clicking the image. 1. main. xml: 2.

Android 5-day Activity jump and data transmission, Fragment, androidfragment1 Activity Lifecycle Activity has three statuses: running, paused, and stopped in the life cycle. Each time a status change occurs, an Activity method notifies the activity

Developer account description and registration process for APPLE (APPLE) (US $99 Enterprise Edition/individual edition and US $299 Enterprise Edition), apple299APPLE's policy is that to publish to the app store, you must use the $99 Personal Edition

Custom RecyclerView supports portrait orientation, sliding to delete Item, recyclerviewitem Project source code has been put on: https://github.com/xufeifandj/SwipeRecyclerView This project directly inherits from RecyclerView and supports a

Android: adaptive to different screens, android: AdaptiveBecause the screen sizes and resolutions of Android devices vary greatly, If you want our applications to run on Android devices with different screen sizes or resolutions, that is to say,

Android development: locate the reason why getViewById returns null Recently, I have been researching and developing some Android-based apps and encountered some problems. One of the most important problems is to obtain the Button object in the

Create an Android project and an android Project An Android project contains all the source code in the App. This article shows how to create a new project through the command line in AndroidStudio or SDKTool. Note:You should have installed

How does a cat learn iOS tips: How to Use iOS to enable animation _ Launch Screen, CAT/CAT sharing, must be excellent For Original Articles, please reprint them. Reprinted Please note: Yan Nai-yu's blogHttp://blog.csdn.net/u013357243? Viewmode =

Understanding of Android opengl ES world coordinate system and texture coordinate system Every opengl hello world that teaches you how to map images on the screen has two Arrays: static final float COORD[] = { -1.0f, -1.0f,

Hide the status bar of Android, set full screen, and cancel full screen I will write these three setting codes in a tool class. When you want to call these three functions for an Activity, pass the Activity itself as a parameter.   The Code is as

Example and Analysis of Message Processing in AndroidMessage Processing instance and analysis summary in Android This article introduces the Message Processing Mechanism in Android, and provides a detailed introduction of several important types of

Android Performance Optimization-avoid Memory leakage I used to read similar translations on the Internet, but I forgot about them. until recently, I saw the original article again on the official website. Although it was a long time ago, I still

IOS UICollectionViewContoller, iosviewcontroller 1. What TheUICollectionViewControllerClass represents a view controller whose content consistsA collection view. TheUICollectionViewClass manages an ordered collection of data items and presents them

Handler and handler This section describes how to use Handler and related knowledge. Before learning about Handler, let's take a look at these questions. What is Handler? There are several typical methods for updating the UI of a sub-thread.

Ios: ASIHTTP: setDownloadProgressDelegate proxy does not declare the Protocol (resolved ), Today, my colleagues do not understand why the proxy does not declare the agreement, After one night of research, the api finally found the cause.

The sub-View automatically moves Layout according to the rule, and the view moves layout Project address: https://github.com/xxxzhi/ChildAutoMovi-Layout Previously, I saw a page that was flashing and moving. At that time, I came up with an idea.