Android

Android source code: Gallery (2), androidgalleryIntroduction The data loading process has been explained in the previous article. Next, let's take a look at the data loading process. According to the normal thinking logic, after loading data, we

Several NSArray sorting: #Use the ArraySortedArrayUsingComparatorCall NSComparator NSComparator is actually a block that returns NSComparisonResult. Typedef NSComparisonResult (^ NSComparator) (id obj1, id obj2); where obj1 and obj2 are actually

Android system development (2) -- GDB debugging tool, androidgdbDebugging process Let's take a look at the general debugging process in eclipse: 1. debug mode Compilation 2. Hitting a breakpoint 3. Run debugging 4. Single-step debugging Step

The maximum number of particles in the central control granulation subsystem of Unity. The particle system in Unity is easy to use. However, a problem occurs in the actual process: it is necessary to dynamically control the maximum number of

(Android review) Task Stack and startup mode, androidreview This knowledge point is mainly understood as follows: I. task stack) 1. function: it is used to manage the activity entry and exit. Records user behaviors. 2. Example: Perform the

Android TextView implements the encapsulation class of clicking a text hyperlink (without underline), androidtextview In android, you sometimes need to set some hyperlinks on TextView and perform some operations when you click these hyperlinks. For

Android code obfuscation and reflection conflicts, maps cannot be displayed, and other problems and decompilation methods. Android Decompilation Previous code obfuscation, because reflection is not used, the conventional code obfuscation method can

IOS development-playing local audio (playing in the background), ios background // Initialize music // create music file path NSString * musicFilePath = [[NSBundle mainBundle] pathForResource: @ "eyeExe" ofType: @ "mp3"]; // determine whether the

Android implements the floating effect on the top of the ListView, androidlistview First, implement the following results: At first, I searched the internet to achieve this effect. The "purchase box" floating Effect of Meituan and public comments

Android chooses to upload images or photos to the server (including upload parameters ), We have seen this in the 9ria forum and haven't tested it yet. Let's share it with you first.Recently, I want to build a project. I have to upload

IOS development-UIKit, iosuikit There are a lot of detailed instructions on UIKit on the Internet, which are generally mixed with messy code, with poor readability and practicality. I also sorted out almost all the commonly used APIs of UIKit,

Android custom processing crashes Users who have used Android phones and Android Developers will experience abnormal exit of the program for a long time. Common users will be very annoyed when such a situation occurs, and may even scold the spam

Android sharing To add the shared feature to the Android app, follow these steps:       3. Introduce the user push project library (Download user push social sharing components: http://youtui.mobi/download/index.htm)Place the youtui-lib project

Android: xml Parsing Liri 30 Liyue 25 package org.fun.domain;public class Person {private Integer id;private String name;private Short age;public Integer getId() {return id;}public void setId(Integer id)

Android: ImageView Package com. example. utils; import java. io. byteArrayOutputStream; import java. io. inputStream; public class StreamTool {public static byte [] readInputStream (InputStream inStream) throws

Use thread pool for Android Performance Optimization Some asynchronous programs do not need to be executed only once during program writing. For convenience, the following code is often written: new Thread(new Runnable() { @Override public

Android learning route (24) Best practices for using ActionBar Fragment   Through the previous blogs, we can see how Google explains action bar, fragment, and recommendation usage. As the saying goes, a blog without a demo is not a good blog. Next I

Android custom View In the process of Android development, the official Android control sometimes cannot meet our needs. At this time, I need to customize it. Next we will look at the custom View: Package com. example. myview; import android.

Android gets the Image Rotation Angle Public static int getExifOrientation (String filepath) {int degree = 0; ExifInterface exif = null; try {exif = new ExifInterface (filepath);} catch (IOException ex) {Log. d (TAG, "cannot read exif" + ex);} if

Layout Optimization for Android Performance Optimization Because the Android system has high hardware requirements and upper-layer applications are all written in Java (lower efficiency than C ++), program optimization has become the daily work of