Android

One, commonly used units: relative units mainly: PX, SP, DPabsolute units mainly include: PT, in, MM Second, the Unit application summary: The general use relative unit, but not absolute unit1, the size of the general use of the SP, the font of

Invoking other programs in Android for related processing is the intent used. Of course, email is no exception.In Android, there are three types of intent that call email:Intent.action_sendto Send without attachmentIntent.action_send Send with

1. Users need to download the Android simulator Mac version 2. Unzip and then double-click to open the software: 3. In the first open process, the load will be a bit slow, but do not worry, patience, after a while will be loaded

Android's own database has a sqlite, but usually development time if we need the table structure is very complex, so some business logic and version upgrade using SQLite is not convenient, usually we will encapsulate a framework or with some open

First, update the SDK, encountered the update download failure problem: Fetching Https://dl-ssl.google.com/android/repository/addons_list-2.xmlFetched add-ons List successfullyFetching

First the system detail diagram of a small series After installing the Java environment, you can start installing Android Studio, and don't have Java friends. See my last Post [Linux Java in two ways] (http://blog.csdn.net/u010849674/article/

H264 decoder source code, porting the H264 decoding part of the FFmpeg to Android, depth pruning optimization, in the simulator (320x480) validated through. The application of the JNI architecture. Interface section, file reading, video display is

Weekend play a little Hi, did not update the blog, today to make up, this oscilloscope is in the university when the teacher taught, but out of work has not been used, and gradually forget, and now learn again. Look at the effect chart: Here is a

Department of Famous Doors Android (4)-Activities (activity), services (service), broadcast (broadcast), broadcast receiver (Broadcastreceiver) Introduced Use activity, service, broadcast, broadcastreceiver in Android Activity-Used to perform

The surfaceflinger Service is responsible for drawing the UI of the Android Application. Its implementation is quite complex. It is not easy to analyze its implementation from the front. Since we cannot analyze the data from the front, we can try to

Android content providers refresh the image and Arraylist sorting, I moved my previous image selector to our company's project and found numerous pitfalls. It was hard to fill it all the way, but it was almost done in the end, the code hasn't been

Conversion between android bitmap and base64 strings Bitmap images and base64 strings can be converted to each other ~ Since then, my mom no longer has to worry about processing bitmap ~ /** * Convert bitmap to a base64 string * * @ Param bitmap * @

[New Version] Summary of the essence of the Android technology blog, and the essence of android [New Version] Summary of the essence of the Android technology blog (Continuous updates in the original article link) Http://www.apkbus.com/thread-313856-

Solve the Problem of starting emulator flashback in androidstudio on ubuntu (2), androidemulator crashPlatform Ubuntu14.04 64  Symptom After you click the start button of the simulator in AndrodStudio, the Simulator Interface pops up and immediately

Error about Gradle Network is unreachable: connect, gradleunreachable Project Gradle Errer: Network is unreachable: connect There are also as errors Internal HTTP server disabled: Cannot start internal HTTP server. Git integration, JavaScript

Kotlin (2) makes App development easier. kotlinapp The previous article introduced how to build the Kotlin development environment. However, this development environment is still based on Android Studio, and Java is used for coding on Android Studio,

Build. gradle file comments and build. gradle comments Gradle is a dependency management tool based on the Froovy language and mainly for Java applications. It discards various complicated configurations based on xml, instead, it is a Groovy-based

Full Screen and non-full screen of the application, full screen of the application       /*** Full screen display */private void setFullSreen () {WindowManager. layoutParams params = getWindow (). getAttributes (); params. flags | = WindowManager.

Android Native crash log analysis, androidcrash In the crash type of Android applications, the native type crash should be a relatively difficult one, because there are few contacts, and then there are several more steps to switch, most of them are

Home 2 -- Dynamic custom circular progress bar, home 2 -- circular progress bar A. draw rings, arcs, and text // 1. draw the ring // origin coordinate float circleX = width/2; float circleY = width/2; // radius float radius = width/2-roundWidth/2; /