Image cache-memory cache technology LruCache, soft reference

When we encounter some large images, if we do not process the images, an OOM exception will be reported,I was troubled by this problem and finally solved it,Now let me share it with you.This blog post will talk about the image cache mechanism. I

Add gradient effect to ImageView

During development, we may add a gradient effect to an image, which can be achieved by adding a Filter to the ImageView.First, define a color array and add the following code to arrays. xml: #96eeeeee #86eeeeee #76eeeeee #56eeeeee #46

Develop your own Openfire plug-in step by step (IOS push plug-in APNS)

Using powerful ios apns and openfire to implement IOS push Development Environment: Three jar packages are required for pushing win7/eclipse/jdk1.6/mysql5.0/openfire3.7IOS: Three required packages for pushing APNS to IOSDevelopment steps: source

Mac-essential tools for programmers (4) -- automatic generation of tools for App icons

When uploading the App we developed, we need some icons with different specifications. Previously, I used Photoshop to change the image size and name the image. Although it can be completed normally, it still wastes some unnecessary

Brad Frost: The way TechCrunch responds to design

Brad Frost used responsive design technology in 2013 to redesign TechCrunch, a well-known tech-startup website, to accommodate multiple screen sizes.Mobile reading, This project allows the development team to review the new web design

Introduction to tools in Android SDK

The Android SDK contains a variety of custom tools. The introduction is as follows:Android Emulator is a virtual mobile device running on your computer. You can use a simulator to design, debug, and test your applications in an actual Android

Android absolute Layout

The absolute layout is represented by AbsoluteLayout. Absolute layout is like the empty layout in java AWT programming. Android does not provide any layout control, but developers control the component Position through X and Y coordinates. When

Android photo color change

Activity_main.xml: See the MainActivity. java: package com.example.photocolorchange;import android.os.Bundle;import android.app.Activity;import android.graphics.Bitmap;import

Permissions abused on Android

Nowadays, many Android phones are abused and useless. One of them is the permission. The following are some permissions that have been compromised: 1. Boot Completed, everyone wants to get started on the machine. It is required for KPI. User's

Android Canvas exercise (9) Self-painted Pie Chart with outstanding effect (Pie Chart)

Here we have drawn a variant of the Pie Chart, a Pie Chart with outstanding splitting effect (Pie Chart), which is a Pie Chart with cake cutting effect, the technique is the offset of the center. On the basis of the center offset and the radius

Android decompile App

  The inventory file is mainly used to share software and teach you how to use it.   1. android-apktool is mainly decompiled. 2. The dex2jar-0.0.9.15 converts the decompiled classes. dex file to jar 3. jd-gui-0.3.6.windows to view the jar

Node. js synchronization problems

Nodejs is asynchronous, which is a bit more concurrent; For example, if you want to access multiple URLs, you can access concurrent accesses at the same time, which is very good for multi-threaded download. However, if the subsequent program

Android ColorStateList usage

Android ColorStateList can be used to add an xml file, which can be combined with selector to make the background color change more freely. For the basic meaning and usage of selector, refer to another blog of

Obtain contact information in Android (1)

When learning ListView in the previous article, we found that the example of getting contacts in API is no longer officially recommended. As a result, I checked it again to see how to get contact information using Android. In this article, we can

Thread and Message Processing

During program development, for some time-consuming operations, we usually open up a separate thread for them to execute, which can reduce the waiting time as much as possible. In Android, all operations are performed in the main thread by default.

Unity3d NGUI usage (6) (UIInput & amp; use of multiple uicheckboxes)

UIInput: user input box. You can enter lattice content, such as password and user name. UICheckBox: check box UIInput: Select UIInput In the Widget Tool, select a background image, and add it to the window panel. After adding, there are three

Cocos2d-x build picture menu

This project is based on helloworld 1. Modify HelloWorldScene. h // a selector callback void menuCloseCallback(Object* pSender); Void imageMenuCallback (Object * pSender); // Add a row 2. Modify HelloWorldScene. cpp In the HelloWorld:

[Unity3D] Unity3D game development-scroll wheel to zoom in and out

Hello, everyone. Welcome to the Unity3D Game Development Series articles that I bring to you. My blog address is http://blog.csdn.net/qinyuanpei. Today, we will share with you the following: Next we will write a script code: using

Android apk decompilation Cracking Method

We can't cut it down. Let's go to the theme directly. SetApktool-install-windows-r05-ibotFileApktool1.5.1Directory. The following information can be used only. In the file, next we need to extract the classes. dex file and directly open it with

Use of Unity3d NGUI (5) (UISprite & amp; UISlider)

You can use NGUI to create a colored role blood bar and load the progress bar. When creating a blood strip, you can display different colors based on the amount of blood, and you can simply encapsulate UISider and UILabel. UISprite: NGUI genie

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