Android

[Android Development Notes] FragmentTabHost on the bottom menu bar and menu bar on the bottom of android The company's project requirements were originally written in accordance with Google's official guide. The menu bar was designed below the

Android event distribution mechanism from the source code In the setView method of ViewRootImpl, the user's touch button message is reflected in the form, while windowManagerService is to manage these windows. Once it receives the user's touch

Familiar with and familiar with udelayI was flattered to apply for a CSDN blog certified expert. I still have this self-known word, which is still very long-distance with experts.However, the passing of the certification gives you a motivation to

Android uses HttpURLConnection to obtain JSON and UI updates. androidjson ParsingIn this example, the combination of HttpURLConnection + Thread + Handler is used. After obtaining JSON data through HttpURLConnection in the new Thread, the UI is

Preparation for release of Android apps-generate channel packages and android Channels We need to use a variable to indicate the channel of the app. Generally, we can declare it under the application node in manifest, as shown below. Then, replace

Another scenario analysis of systemserver restart caused by sensorservice crash in Android5.0L, android5.0 I. Problematic scenarios 1. When the Sensorservice thread is processing the compass sensor event, it checks the validity of the buffer

[Study Notes-Objective-C] Chapter 10 variables and Data Types in Objective-C Programming 6th, objectivec static variables Part 1. instance variables and attributes The current trend is to use (_) as the start character of the instance variable

Single Instance (swiftly), (swiftly)Singleton (swift) by Wu xueying Swift1.2 beforeclassMyManager {class var sharedManager: MyManager { Struct Static { Static let sharedInstance: MyManager = MyManager () } Return Static. sharedInstance }}

Shortcut Keys for Android Studio Override method Ctrl + O Implement interface Ctrl + I Add a code surround block for the code, for example (if/else try/catch) Ctrl + Alt + T Quickly generate Alt + Insert Code prompts Alt + Enter Remove unnecessary

Github's open-source project MJRefresh custom refresh control, githubmjrefresh Refresh is often required during project development. The open-source MJRefresh by MJ blogger saves us a lot of time. You only need a few lines of code to pull or drop

Welcome to the CSDN-markdown Editor, csdn-markdownSimplify the reason for rejection of the named APP and the Solution Simplify the reason for rejection of the named APP and the Solution Details Brief Introduction to named

The open platform cannot obtain the UnionID solution. After registering the open platform for authentication, the public account is bound and a web application is created. However, the UnionID cannot be obtained according to the interface document

UI_UIImageView basic operations, ui_uiimageviewUI_UIImageView common methods // Use ImageView to locate the image UIImage * image = [UIImage imageNamed: @ "bg_2"] by name; // Add the image to imageView. UIImageView * imageView = [[UIImageView alloc]

DrawerLayout, androiddrawerlayout 1. main layout: 2. list item layout 3. java code: package com.torv.lijian.drawerdemo;import android.app.Activity;import

UIImagePickerController localized control text, custom uiimagepicker When using UIImagePickerController, you will find that when selecting a photo or taking a photo, many controls on the interface are in English, such as "Cancel" and "Choose. So

Android startup interface and android startup Interface 1 public class LoadingActivity extends Activity {2 3 @ Override 4 protected void onCreate (Bundle savedInstanceState) {5 super. onCreate (savedInstanceState); 6 7 // remove the title bar 8 //

Android: questions about the re-creation of surfaceView ., Androidsurfaceview Recently, I was working on an Android Video Player project and encountered a problem: After the screen lock, surfaceview will be destroyed and various errors will occur.

When is layoutSubviews called? LayoutSubviews will be called in the following cases: 1. Initialization of init will not trigger layoutSubviews2. addSubview triggers layoutSubviews3. Setting the view Frame triggers layoutSubviews. Of course, the

Android message processing source code analysis (1)Android message processing source code analysis (1)In Android, the code of the Message Queue that is usually used is in the directory sourcesandroid-22androidos, involves the following class

Swift string search and Swift string SEARCH Var test = "11111111111 test" If (string. rangeOfString ("test ")! = Nil) // note! = Left and right Spaces { Println ("find ") } If you want to obtain the location, you can: Var t = string.