low vision apps for android

about recommendations and requirements)Android wear is like a very witty personal assistant: it knows your preferences, it interrupts you only when it is necessary, and it always offers a quasi-good answer in your hand. Android Wear is superior, humble and responsive.Zero or low interaction (0 or lower interaction)Following the advantages of a smaller form facto

renewal cycle, backstage operation time; Implement low memory footprint UI Recommendation IX: How to find layout display problems When we create a separate UI for the layout, we are creating a memory-abusing app that has a nasty latency in the UI. The first step in implementing a fluent, low footprint UI is to search your application to find the potential bottleneck layout. Use the Hierarchy Viewer tool

Android pre-installed Google Apps or upgraded from 9 to 20 and Android 20 Summary: According to Google's new contract with OEMs, these OEMs may be preinstalled with 20 models on their new Android devices.GoogleYour own applications. Of course, these pre-installed applications cannot be detached, that is, they occupy so

Backwards compatibility is poor in Android, but an app app can be processed or run between versions. Backward compatibility is not good, different versions of the system its API version is different, naturally some interfaces are different, the new platform can not use the old API, the old platform can not use the new API.For the app to be more compatible, we can use the high version of the SDK to develop the application, and in the program runtime (r

signature packaging, while preventing dynamic debugging problems, increase the difficulty of cracking4, in order to deal with the advanced crack small white, we will increase the application of anti-debugging function, to prevent the application is dynamic debugging and process injection problems, increase the difficulty of cracking5, in order to deal with the senior crack small white, we will adopt the application of the reinforcement strategy, the DEX,SO, resource files to strengthen, increas

that you use them, especially for developing media-related apps.If you decide to use the V17 Leanback library, it should be noted that it relies on the V4 support Library, which means we end up with the following libraries: V4 Support Library V7 Recyclerview Support Library V17 Leanback Support Library 3. Create TV Apps tutorial (build TV apps)The above is the official referral linkFo

resulting properties of these windows are shown in effect four. However, by -webkit-device-pixel-ratio adding some custom CSS with the media attribute, you can apply different styles. For example, the Web page shown in Figure 5 is a high-pixel image that is raised on a high-pixel device by setting the window properties and adding CSS.Targeting Device Density with JavaScriptAndroid browsing and WebView support a DOM property that allows querying the current device density-------window.devicepixe

recommend that you first reduce the previous 32 Android version combinations and the 5-10-version display representing the leading device screens on the market. When selecting a reference device, you should make sure that you cover a wide range of versions and screen types. As a reference, you can use the OpenSignal survey or the infographic [3] using the phone to help you choose the most widely used device.To satisfy curiosity, the size and resoluti

Action Bar is one of the most important design elements you can implement for your app's activity. It provides centralized UI features and enables your app to become familiar to users quickly by providing a consistent experience with other Android apps. The main features include: A dedicated display where the app is represented, and can indicate where the user is currently in the app. Users hav

The best recipe for becoming a all flop in Google Play are to release an app that's battery and memory hungry with a Slow interface. Most likely, these qualities would ensure negative reviews from the users and result in a bad reputation, even if your app have Great Designand a unique idea.Every drawback in product efficiency, battery and memory consumption can really affect your app ' s success. That's why it's critical to develop well-optimized, smooth running

Reprint Please specify source: http://blog.csdn.net/bbld_/article/details/40400031Translated from: http://developer.android.com/training/material/index.htmlObjectiveThis article is the first article of the official material design document translation. The knowledge that material design needs to know can be read in this Chinese version of the ebook .Material design is a cross-platform, comprehensive guide for vision, motion, and interaction. To use Ma

fact, our smartphones are obviously not suitable for storing private personal data such as credit cards and stocks. The security of Android phones is truly worrying. According to a report from the Wall Street Journal about regular and extensive data sharing on smartphones. The Wall Street Journal respectively tested 101 Android and iOS apps.ProgramAnd games, no less than 56

requirements(2) drawalbe-ldpi: Low-resolution images, such as QVGA (240x320)(3) DRAWABLE-MDPI: Medium resolution picture, such as HVGA (320x480)(4) DRAWABLE-HDPI: High resolution pictures, such as WVGA (480x800), FWVGA (480x854)(5) drawable-xhdpi: At least 960DP x 720DP (less commonly used)Android will have automatic matching mechanism to select the corresponding layout and image resources, the system will

contact learning programming to write the app, but a little bit professional not too low or too stupid child shoes, it is highly recommended to choose Android studio! And it has an interface simulation for adding controls, and your layout of each control on the interface is automatically generated. The statement in XML is very convenient! When yogurt and team members first wrote the app, the dictionary cho

Android Video Statistics according to 9th download Station (41): Android video editing app plus several googleplay apps (results from search video)The size is arranged as follows: 44 files have 29 files larger than 20MVideo apps are generally larger in size:of which Camera360, Volume 42M, decompression after 72M, Lib s

directly into the project, or build it using Gradle to add compile dependency: dependencies { compile ' com.android.support:appcompat-v7:+ ' compile ' com.android.support:cardview-v7:+ ' compile ' com.android.support:recyclerview-v7:+ '} Put the above apptheme style to Res/values-v21/style.xml, and then res/values/style.xml add a Apptheme, as follows: This can be done in much the same way as material Design, but there are some effects that cannot be achieved because the

interfaces, monitors, input devices and so on. After executing these kernel programs, you start executing the application.3, the first application is the home program. is launcher, used to manage a variety of apps. Launcher provides a portal to launch other applications.The Linux architecture used by Android:1, the processor reset completed, the implementation of read-only ROM area of the program, this pro

we create a UI for the layout alone, we create an app that abuses memory, and it has a nasty delay in the UI. To achieve a smooth, low-footprint UI, the first step is to search your app to find out the potential bottleneck layout. Use the Hierarchy Viewer tools tool that comes with the Android sdk/tools/.Another good tool is lint, which scans the application's source code for possible bugs and optimizes co

Recently in the study activity of the START process, Lao Luo's blog In the Look, also found other information study, also with Android4.3 source code,In the process of code, I suddenly thought of the following question:Why is Android activity thinning out oncreate, OnStart, Onresume, OnPause, OnStop, Ondesdroy so many ways to get apps to reload?On the internet too much according to the

Original: http://www.xuebuyuan.com/1608083.htmlRecently in the study activity of the START process, Lao Luo's blog In the Look, also found other information study, also with Android4.3 source code,In the process of code, I suddenly thought of the following question:Why is Android activity thinning out oncreate, OnStart, Onresume, OnPause, OnStop, Ondesdroy so many ways to get apps to reload?On the internet