Android

APK is a program compression package, which has an executive program, ODEX optimization is the package inside the implementation of the program to extract, to become a Odex file, because you extracted, the first time the system does not need to

This article mainly introduces the Android development of the IDE, ADT, SDK, JDK, ndk and other noun explanations, it is a painful thing to understand these concepts, this article succinctly explained the meaning of these nouns, together with

This article will talk about the use of Imageswitcher controls in Androidui development. Imageswitcher controls are similar to ImageView and can be used to display pictures, but Imageswitcher can be seen by name, mainly for the toggle display of

　　Hippocampus play Android analog organ screen where to download seahorse play droid4x download address Hippocampus play simulator droid4x official software is a world-leading Android simulator tool, 99% of the game can be perfect operation in the

Preface Rxjava and Rxandroid (https://github.com/ReactiveX/RxAndroid) have been burning for a while, and here is a brief introduction to them. Rxjava's self-introduction on the GitHub homepage is "A library for composing asynchronous and event-based

This article mainly discusses how Java can pass parameters when it calls C-level through JNI, and how to callback Java method in C code Previous Android Studio JNI configuration and first Hello Word program On the basis of the previous example, we

Recently, the creation of an app, the need to simulate a battery of the progress bar, based on the amount of electricity to set a percentage, the progress bar constantly rolling up and down, like the usual mobile phone charging the same battery

Introduction of Loader "Class loader" (ClassLoader), as the name suggests, is used to dynamically load class files. The standard Java SDK has a ClassLoader class that enables you to load the required class files, provided that ClassLoader class

Google has recently accelerated the browsing of Android platform security pages by controlling browsers and the sites it accesses--Elie Bursztein, head of Google's Anti-Abuse research team, said in a Thursday blog post that Google has launched a

Introduced Famous Door Android Series Articles index: Build development environment, layout, menus, dialogs, announcements, events, services, broadcasts, broadcast receivers, controls, database support, content provider, HTTP communication, XML

System already has something, if we do not have new requirements, direct call is the most direct. Here's how to call a system camera to take pictures and save pictures and how to call a system photo album. First look at the core method of calling

Introduction to Android Development (20) content provider 20.3 predefined query characters Introduction to Android Development (20) content provider 20.2 ContentProvider use Getting Started with Android development (20) content provider 20.1 data

Google has provided a system update for one of the three Nexus devices you are using, and we are pleased that Nexus 4 and 10 of the Android 4.2 OTA update are also underway. The upgrade includes two major updates to the "Jelly Bean +" compilation

How to get started with Android Development (2): how to get started with android DevelopmentPreface: The previous issue achieved a simple QQ login effect and continued to expand the previous period.Current knowledge points: Toast pop-up window,

Easy-to-use open-source Library (II)-uCrop image cropping and open-source ucrop Recently, I found this uCrop on Github to implement the image cropping function. Many people in star decided to get into the trap. As a result, I spent an hour reading

Android Bluetooth development-communicates with the bluetooth module based on the eclipse project, androideclipseBefore February 20, I participated in a startup project of a junior senior student to build an intelligent car lock App that uses

Use Java code to create a view. Use java code to create a view.Use Java code to create view 1. Introduction Knowledge needed    Ii. Method 1) create a view using java code* 1. Create a view object first View view = View. inflate (this, R. layout.

Kotlin (1) Build the Kotlin development environment and kotlin As a programming language, Kotlin has been around for several years, but it is not well-known in China. Since Google announced it as the official Android development language in May,

One Android high-performance calendar control, high imitation meizu, and high imitation android Android's native CalendarView cannot meet our daily development needs. During the process of developing the my note APP, I think we need a

Introduction to ramdisk. img, system. img, userdata. img In the Android image file, ramdisk Image   After the Android source code is compiled, three image files generated in the out directory are ramdisk. img, system. img, userdata. img, and their