When learning about android digital signature, the keystore, x509, key pair, and debug. keystore headers appear in the document.
Turn, after a period of understanding, finally understand some.
I. Generate a key pair using the make_key script
Android command line/C Language/java settings to obtain system attributesSet and obtain the SystemProperty attribute in Java:
SystemProperties.getInt("persist.sys.boot_music_control", 0)SystemProperties.set("persist.sys.boot_music_control", ""+value)
Most Android controls have two attributes: padding and layout_margin. The difference is generally:
Padding:Control contentThe distance from the control edge.
Margin: ControlAway from its parent ControlThe distance from the edge.
Today, an
HttpClient provides a simple Http network connection method for Android Developers. There are also two methods in the connection process: get and post. Let's take a look at how to implement
The default method is get.
// Add the parameter to the
Requirement: When viewpager is used to display an image, the image needs to be scaled when you double-click it. popwindow is displayed at the bottom of the screen when you click it. Because android double-click is essentially a two-click operation,
Although we often use open-source frameworks developed by others during development, understanding the underlying implementation of these frameworks allows us to better understand the implementation of functions.
This article describes how to use
1. Several termsVGA, HVGA, QVGA, WVGA, WQVGAThese terms refer to the screen resolution.VGA: Video Graphics Array: displays the drawing matrix, which is equivalent to 640x480 pixels;HVGA: Half-size VGA; that is, Half of VGA, resolution: 480 ×
The ExifInterface class has been added since Android 2.0. The ExifInterface class mainly describes some additional information about multimedia files, such as JPG images, image rotation, gps, and thumbnails. This class is located in the location of
Zookeeper
I have been looking at the controls over the past few days and have not figured out how to use them. There are already many examples of this on the Internet, so I will not write it. The next step is to learn about the genie class. If you
When we write an Android program, a lot of repetitive work will occur, and the dhroid framework will solve this problem well.
Dhroid is a fast development framework based on the android platform. Its core design goal is rapid development, less code,
Contents
New text Label class Label
Other text labels
Introduction to font preparation tools
Summary
Https://github.com/chukong/cocos-docs/blob/master/manual/framework/native/v3/text-label/zh.md
Welcome to submit PR.
In game development,
Next, because the UI needs to be updated in the project, I used the AssetBundle solution.
Generally, we use AssetBundle to generate a resource package. The common solution is as follows:
Using UnityEngine; using UnityEditor; // // export the
Preface
Today, Apple released the new programming language Swift, which also provides a nearly 400-pageThe Swift Programming Language(Swift programming language ).
Although I don't have a developer account and can't actually practice Swift code on
Make a summary.
I have worked on a project before. It is a project about the space war.
You can do it yourself. The general environment is unity3d + win32, And the mac does not work. It seems that this is not supported. The reason is unknown. Let
We chose JDK 1.6.0 _ 30. The Installation File Name Is jdk-6u30-linux-i586.bin.1. Copy jdk to the installation directory(1) assume that the jdk installation file is on the desktop. The specified installation directory is/usr/local/java. However,
Recently, a Bluetooth-related project needs to keep the Bluetooth connection and receive data normally when the application enters the background or the mobile phone is locked.
It will be very troublesome in the future, but after learning it, we can
The cocos2dx particle system has three types of positions. For me, the most common is FREE, because once such particles are emitted, the position will no longer follow the Node of the particle system (including its parent Node). Moving the particle
1. Under EclipseLoad
To the site: http://www.eclipse.org/downloads/, because we are using Java Development so the steps are as follows:
2. Install ADT
ADT is the development environment for Android applications
Online installation, there was an
This article describes how to use VideoView to play a local video. It is relatively simple to use. The MediaController class is added in it to implement more video control functions.
Implementation:
Code;
Layout file:
With VideoView, VideoView is a
This month, I received a project to write an APP for software management like a 360 assistant. I encountered a problem: multi-thread breakpoint download.
This is because you have not previously written this application function. Therefore, you have
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