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Decompress the android list and expand the QQ-like friend list (very detailed, with source code ).
Original works of Lin bingwen Evankaka. Reprinted please indicate the source http://blog.csdn.net/evankaka
ExpandableListView is a view that shows two levels of list items vertically. Unlike ListView, ExpandableListView can have two layers: each layer can be expanded independently and its subitems are displaye
APP homepage carousel for Android custom controls, android controls
At present, most of the home pages of Android applications have carousel images, which are like this (this figure is a diagram in a reprinted blog and used directly ):
I believe most applications will use s
I have graduated from college for three months and have been working for two months. I feel that the progress in the company is too slow and I want to go to training. Currently, many training institutions provide ios, android, and html5. Which one is better, in terms of prospects and salary, I would like to give you an answer. Thank you (Supplement: c and c join the course, java understands a little). I hav
application comparable to INSTAGRANM, can add filters, add photo frame, for 360° Panorama shooting, photos can also be sorted by locationSimplified interface, faster Gmail join gestures, offline Search, more powerful UIOne-click Text selection and copy/paste new traffic management tools to see the traffic not generated by the appImproved power management systems are running programs that can switch to each other like a computerNew application managem
Speaking of Android phone, most people's impression is a bit of time to become a little lag, some programs in the run inexplicably crashes, open the System folder A look, found a lot of files, and then use the mobile phone butler APP constantly clean optimization, just feel the speed slightly improved point, Even if the mobile phone in a variety of performance in front of the software score ahead, or feel n
Background: Use Google VR SDK for Unity to develop 3D scene features, then export Android items and merge them into one Android app for other activity calls.
The main activity for the Android project, developed by the Google VR for Unity SDK Untiy project, is com.google.unity.GoogleUnityActivity. If you need to ext
Android is based on the Linux kernel and is designed for mobile terminal operating systems. Mainly includes the following aspects:
Application Framework:This layer provides rich application programming interfaces for application developers, such as activity manager,content provider,notification Manager, and various window widget resources. All apps are running on top of this layer.Dalvik Virtual machine:the Dalvik VM uses a register schema, rather th
Studio,Like no watt, someone can invent a steam engine. But without Shakespeare, there would never be a merchant of Venice.Frontthose that are directly helpful to programming.Chaptersnot readThis book can also be explored slowly,This chapter onlyreading will make you feel that Android Studio is the most amazing compiler in the world--A rich, personalized look makes the tools you write code look different,
: @ com.android.dx.command.dexer.Main.main (main.java:199) at Com.android.dx.command.Main.main (main.java:103)Yes, the number of Dex file methods in your app exceeds the maximum of 65536, so simply put, the app is bursting.So let's see why this error is caused:InAndroidSystem, aAppAll of the code is in aDexFile inside.Dexis a jar-like store that has manyJavaComp
Android custom control-ios-like button
When we develop client products in the company, we will find that the difference between android and ios is that ios has benefited from the elaborate design of "Old Joe", and the interface user experience has been superb. android adheres to the open-source idea, the hundreds of u
At the apple Developer Conference on Monday, Apple introduced various new features of iOS 7. Although the release is Coming this fallProgramWe can download the development version to try it out. I wanted to download and update the four-generation iPod Touch, but it does not seem to have been provided, so I can only borrow an ipone 5 test machine from my colleagues to update it to iOS 7. I will be delighted to see these new features without going to "new Andr
Android custom View-like Ctrip homepage click zoom ImageView
I recently launched a Ctrip App. I clicked on the home page and noticed that when I clicked the button, it wasn't the color-changing effect we often saw. Instead, I first contracted it. When I opened it, back to the original size, I felt that this effect was small, but it was very novel. So I decided to
two ways to capture screenshots: You can use the Snapshot tool on the Android Device Emulator that comes with the Eclispe Android plugin, or start your Android device,Use a screen capture program like DROCAP2 (update: In fact, there is a tool in the SDK to capture the screen without starting your
effects may occur, affecting the user experience.
Let's take a look at this figure (it's ugly, I hope you don't mind it). When the original view on the face slides to this position, that is to say, when the above part stays on the page, it is just the height of the purchased items. We need to display the hidden purchase items and then hide the original purchase items, in this way, there will be no abrupt effect, so that the effect becomes smooth. the same is true when the interface is up and
as in the Java Development environment, open to see only the basic parts, and the rest of VS will be complete at compile time. Content in Androidmanifest.xml can be configured to complete in the project properties(Configuration of namespace, API level, etc.)(app version, name, permissions, etc.)(There is no practical experience here, keep the default, and so on to figure out again)Assets and Resource Resources directoryAssets is a binary resource fil
, which may be more comprehensive and efficient than managing images by ourselves. I will recommend the following image management libraries:
(1) Some official Google Apps, such as Google photos, use Glide. Do you want to explain more?
(2) Fresco, FaceBook's open-source Library, is extremely powerful and supports WebP, Gif, and JPEG progressive display. The key is its design philosophy on image memory, which greatly reduces the image memory overhead.
(3) And
This problem is certainly unavoidable, fortunately, the project catalog of Android Studio is far more clear than Eclipse.Catalog comparisonWe created a Eclipsedemo Android project in Eclipse and created a My application Android project in Android Studio, with the module named app
abstraction does not have a significant increase in efficiency, you should try to avoid them.9) Use Nano Protobufs for serialized dataProtocol buffers is a language-independent, platform-independent, well-extensible protocol designed by Google to serialize structured data. Like XML, it's lighter, faster, and simpler than XML. If you need to implement a protocol for your data, you should always use the Nano Protobufs in the client's code. The usual pr
notifications (contextual notification) is generated locally on the wearable device and appears only at the relevant contextual point in time, such as when you run a card that appears to exercise your body. You can do more on this type of card than with notifications from a handheld device.* Full Screen application1, 2D picker (two-dimensional selector) is designed to allow users to choose from a range of options, such as selecting artists and genres, and so on. Whenever there is an association
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