Android

Android ViewPager + Fragment sliding tab, tab click tab, androidviewpager I have been studying this for a while. Since Android 3.0, few developers have used the previous TabWidget control. The effect is not very good and cannot be slide. Later,

Android QR code creation, android The QR code has entered our lives, and more people are using it to make our lives easier. I have heard of a joke, when we die, there will no longer be any inscription on the tombstone, but there will be a QR code

Android device information retrieval: android device Information Retrieval Android device Information Retrieval Permission: Import android. app. Activity;Import android. app. AlertDialog;Import android. content. BroadcastReceiver;Import android.

Android custom View. What do you need to know? Why do we think that custom View is a hurdle for learning Android?Why do so many Android experts think that custom View is so simple?Why does google define a View with thousands of lines of code?I

APK decompilation goes beyond advertising secrets, and apk decompilation secretsDecompile APK to AdvertisementProcedure: 1. Download apktool : Https://code.google.com/p/android-apktool/downloads/list 2. decompile the apk using apktool. Enter the

Android open-source framework Universal-Image-Loader learning 4 -- some subsets of LimitedMemoryCache LRULimitedMemoryCache source code:   /*** (Cache size limited) Size of all stored bitmaps will not to exceed size limit. * (deletion policy LRU)

Android clipRect Op. xxx Parameters A learning note that is a little too long, you can directly look at the final conclusion: the various pictures and instructions above serve the final conclusion. 1) cut: cut an area on the canvas, such as cutting

TraceView and androidtraceview of Android Performance Tuning Tool Since the 16 Performance Optimization series Videos released by Google in January, many excellent articles on the optimization series have been found in major communities during this

Use AChartEngine and achartengine to create curves, bar charts, and pie charts for Android Previously, in java Development, charts were implemented using the JFreeChar component. Recently, there was a small project that required data analysis on the

Development (1) application interface and token acquisition Author: Songyang This article is from Ashura road and is prohibited for commercial purposes. For more information, see the source. Link:

Image compression and cache efficient loading to avoid oom summary, image compression oom Efficient loading of large images Check the maximum available memory for each application: int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);

Memory reclaim policy in Android operating system, android reclaim Memory collection in the Android operating system can be divided into two levels: 1. Default memory collection, that is, the default collection at the Application Framework layer. 2.

Pull down the ViewPager of a pig pod and view pager of a pig pod There is a ViewPager layout in the application details page of pods. A view that can be expanded up or down is added to the layout header to display the application data. Basically,

Android Study Notes 25. Service components (3) Use IntentService and androidintentUse IntentService1. Service DefectsBecause the Service itself has the following two problems: (1) the Service does not start a separate process, and the Service and

Common encryption methods in the project base64, AES, MD5, sha-1, base64sha-1Today, I reorganized several encryption methods that were frequently used in previous projects, we found that we didn't really understand these encryption methods in the

Analysis on Android power-saving Development and android power-saving Previously, I was writing about Android performance optimization. I believe that all performance optimization for Android App power-saving development can achieve the power-saving

In Windows 7 to build Android x86_64 and armv8-a operation steps, x86_64armv8-a 1. Download android-ndk-r10d-windows-x86_64.exe and https://developer.android.com/tools/sdk/ndk/index.html from the android-ndk-r10d-linux-x86_64.bin; 2. Install ndkr10d:

Basic Android notes-graphics, solutions for using and practicing large image OOM and painting tools The principle of computer graphics representation is to load a large image. The OOM scaling is used to load large image resources and create a copy

Android basic notes (15th)-graphic, big picture OOM, usage and exercises of painting tools, androidoom Principle of computer graphics Representation OOM is displayed when a large image is loaded. Scale and load large image resources Create a

Android development Lesson 1 ~ Android Studio instructions I haven't written a blog for a long time The company issued an android mobile phone, so we are going to learn about android development. If you have another mac, you need to learn about IOS