Android

26 practical Android skills: persistableMode and Activity persistence, API 21 adds a new attribute to the Activity. As long as it is set to persistAcrossReboots, the activity has the persistence capability. In addition, a new bundle is required,

Android ultra-lightweight data storage This time, I can say goodbye to sharedpreferences. The method is disgusting. Commit is also used to store fart big data.   The spam is over and the code is displayed.   LocalStorage. java Import java. io. file;

Android NDK project compilation and link debugging Prerequisites: JDK 6.0, android SDK, NDK r9, and javassele4.2 development environments have been installed. It is recommended to download Android integrated KIT development adt-bundle-windows-x86,

Android loads network images and retains the cache. Click to open them at any time. Today, I need to write a class that retains the network image cache. I 'd like to share it with you.   In fact, the implementation principle is very simple, that is,

Android obtains the screen width and height, Status Bar Height, and string width and height of a mobile phone. Android obtains the screen width and height, Status Bar Height, and string width and height of a mobile phone. This article mainly

(26) unity4.6 learn Ugui Chinese Document ------- UGUI's open-source Tween tool is lightweight and powerful. uguitween Source: http://blog.csdn.net/u010019717 Many Unity developers know NGUI very well and are developing well. They upgraded from

Install android NDK in linuxCompile JNI. If no NDK is available, an error occurs.Error: Execution failed for task': app: compileDebugNdk '.> NDK not configured.Download the NDK from http://developer.android.com/tools/sdk/ndk/.Then add ndk. dir =

Android updates the Ui in several ways and insights, and androidui in several ways World in code Draw your own android learning path with text notes 　　Reprinted, Please retain the source by QiaoHttp://blog.csdn.net/qiaoidea/article/details/45115

Android Optimization-UI optimization (1), android ui OptimizationOptimize layout level 1. Avoid layout mosaic depth (as shown below) We can remove the id as follows:main_ll_duoyuThe LinearLayout of can

Multi-Controller Management and Controller Management // Add the child view controller FirstViewController * firstViewController = [[FirstViewController alloc] initWithNibName: @ "FirstViewController" bundle: nil] in the parent view controller;

UIPickerView _ ordering system for IOS (20) UI of cat learning, iosuipickerview CAT/CAT sharing, must be excellent Material address: http://blog.csdn.net/u013357243/article/details/45057267For Original Articles, please reprint them. Reprinted

Android common tool encapsulation and android tool Encapsulation 1. MD5 tool class: Public class MD5Util {public final static String MD5 (String s) {char hexDigits [] = {'0', '1', '2', '3', '4 ', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E ', 'F'

Android custom view tutorial 03 --- Android property animation details1 package com. example. donghuatest; 2 3 import android. animation. objectAnimator; 4 import android. animation. propertyValuesHolder; 5 import android. animation. valueAnimator; 6

Use Property Animation-Property Animation, propertyanimation Property animation is an animation generated by controlling the attribute values in an object. Attribute animation is currently the most advanced 2D animation system. Add in API Level 11.

Multithreading and GCD for IOS development, and multithreading gcd for ios Thread execution: Obviously, if multithreading is not enabled, the runA method is followed by runB before returning to runA, and then runC, A --> B --> C. If runA is loading

Open-source Android-PullToRefresh pull-down refresh source code analysis, androidpulltorefresh The PullToRefresh library is used at most. github mainly analyzes the source code implementation today. We use the drop-down refresh of ListView for

Naming rules for Android development and android Development Identifier name MethodThere are four types of identifiers:1 Camel naming method: Also known as Camel naming method, the first letter of all other words except the first word is capitalized.

Add watermark text on IOS images (watermark text on Weibo) and ios watermark Create a category (you can go to Baidu if you don't know how to create it ). Class Object. h file name: UIImage + watermark # Import @ Interface UIImage (watermark) //

Implementation of the Android mobile phone photo function 1. layout file main. xml Ii. MainActivity. java Import java. io. file; import java. io. fileOutputStream; import android. app. activity; import android. hardware. camera; import android.

Android ColorMatrix brightness matrix contrast matrix black/white matrix, androidcolormatrix Color matrix M is a 5*4 matrix. In android, the color matrix M is a one-dimensional array m = [a, B, c, d, e, f, g, h, I, j, k, l, m, n, o, p, q, r, s, t]