Android

Introduction to Handler, logoff, and MessageQueue, loopermessagequeue Handler, logoff, and MessageQueue constitute the most important message transmission and processing mechanism system in android. Handler running principle The message object

The difference between TDD-LTE and FDD-LTE in frequency band allocation, tdd-ltefdd-lte I have previously posted a blog that is used to comparing the similarities and differences between TDD and FDD. After reading this blog, I think we should

Android font setting and Roboto font usageI. Custom Fonts 1. android Typeface uses TTF font files to set fonts We can put the ttf font file in the program and set the font using Typeface in the program.Step 1: Create the fonts directory under the

Notification manager and Notification in Android) Next, let's talk about notification. This notification is generally used by phone, SMS, email, and Alarm ringtone. A small icon will appear on the status bar of the mobile phone, prompting the user

How to install system applications on Android and add the interface for installing system applications on AndroidInstall system applications based on SIM card features: 1: how to install system applications, apk placed under the system partition of

Android Handler details + example This article describes how to use Handler in Android. Handler is closely related to multiple threads and message queues, which is common in actual program development. This article provides four simple

Android thread usage, Android thread usage In android, threads can be divided into MainThread (UI thread) and WorkerThread (threads other than MainThread ). In principle, modification to the UI is prohibited outside the UI thread. For example,

Ios (CoreAnimation core Animation 1) CABasicAnimation animation and anchor Animation I. position and anchorPoint Position: used to set the position of CALayer in the parent layer, starting from the upper left corner of the parent layer (0,

The Android asynchronous task code is short and encapsulated by simple asynchronous tools to facilitate asynchronous task execution. android asynchronous tasks It is relatively simple. There are three classes. 1. Create a single-instance thread pool

Matlab achieves image cutting and matlab Image Cutting In some programs, because the image is too large, we often need to cut the image into several small patterns before

Android ScrollView and ViewPager slide up and down to conflict, androidviewpager Override ScrollView Public class CustomScrollView extends ScrollView { Private GestureDetector mGestureDetector; View. OnTouchListener mGestureListener; Public

Reading json. The file starts with 65279 and starts with json65279. The loading of json files fails until today. Only ASCII encoding formats can be loaded. Because they are Chinese, they cannot be loaded in ASCII format, later, my colleague found

Android NDK Development (7)-modern development method, androidndk In the previous blogs of this column, I wrote some basic knowledge about NDK development through JNI in Android. The main steps are also clearly written, but it looks troublesome. Why?

Display and hide when entering a password for Android, and enter a password for android When logging on or registering, some software requires a password to be viewed and hidden, which is easy to implement. First, define the layout: Then

[Unity3D] Unity3D game development-tower defense game project (I), unity3d Game Development If you like my blog, please remember my name: Qin Yuanpei. My blog address is blog.csdn.net/qinyuanpei Reprinted please indicate the source, Author: Qin

CocostudioUI controls and events are automatically bound in cocos2d-js, cocos2djs events I. Cause The most disgusting job in client game development is UI-related things. Although visual tools like cocostudio are available, there are a lot of

Where are programmers? In the final analysis, although many big cows are no longer CSDNThe programmer's first choice. Because there are the most replies here, some people, and some replies, that's a community. CNBlogIt should be the second

Penetration comprehension Animation time interpolation Interpolator class, interpolator ========================================================== ======================Author: qiujuerBlog: blog.csdn.net/qiujuerWebsite: www.qiujuer.netOpen-source

Persistent attributes of Android applications    1. Start the persistent application There is a permanent application in the Android system. In their AndroidManifest. xml file, the persistent attribute is set to true, for example:     When the

Several common functions used by Android to determine the network status // Determine whether there is a network connection public static boolean isNetworkConnected (Context context) {if (context! = Null) {ConnectivityManager mConnectivityManager = (