must have free android apps

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

development tools to download. Almost all of them are provided free of charge. "A useful Selection of Android Developer tools and resources" This article selects 21 free or open source tools, resources, and development guides. Hopefully, these resources will help your Android app.Android Development foreign Language b

Use Cases and implementation methods for Android apps that do not display icons on the desktop after installation, androidapp Recently, I am working on a IOV product for the company. because the company is good at the R D of Automotive decoder, therefore, in addition to the OBD Protocol widely used in IOV products on the market, the diagnostic function of this product also uses some dedicated vehicle proto

Preface This chapter describes the developer Guide (Dev Guide), Web Applications, and Web Apps Overview. The version is Android 3.2 r1. Translated from: "happyjiahan". The reviewer is: "tieqi_pulee ", thanks again for "happyjiahan "! We look forward to your participation in translation of Android related information, contact me over140@gmail.com. Statement You a

Presumably everyone knows that domestic Android apps are basically free, so how do developers get paid? The application of the insertion of advertising is a relatively common means of profit. This article explains how to insert ads in Android apps. The domestic advertising

configure the start activity of the task stack as follows Intent-filter: ... > ... > Androi D.intent.action.main "/> " Android.intent.category.LAUNCHER "/> The user must be able to exit the task stack at any time and cut the task stack to the foreground with the launch icon at any time(Users must is able to leave a task and then come back to it later using this activity launcher). Therefore, the "singleTask"、 "singleInstance" activity that uses these two startup modes must have ACTION_MAI

Original link: http://www.firemonkeyx.com/ten-tips-for-building-stunning-professional-android-apps-with-firemonkey/This article has simplified the original text.# 1, using SSL secure data connectionIf you are using Rese or tidhttp components in your mobile app, you should use SSL to encrypt your connection to keep your users ' data safe. or use TurboPower LockBox New, the

(visible in the table above in Samsung Galaxy S II).　　"What to test"Mobile apps must provide the best user experience and are displayed correctly (UI testing) on a variety of smartphones and tablets in different sizes and resolutions (keyword "responsive design"). At the same time, apps must be functional and compatible (compatibility testing) with as many device specifications (memory, CPU, sensors, etc.)

Objective:On a blog to everyone to talk about the definition of intent, classification, properties and functions, I believe that everyone on the role of intent in Android has been clear, this blog will be for everyone to talk about intent usage.An important feature of the Android system is that an application can invoke another application to complete the user's request action. For example, your application

IBM Rational Test Workbench (RTW) is a unified set of test tools for IBM rational, including functional testing, performance testing, interface SOA testing, and other modules to meet the customer's multiple types of automated testing requirements. With IBM's release of the new version of RTW 8.5, RTW has added app automation testing for mobile apps, which currently supports Android and Apple IOS's two versi

GoalThis article is intended to guide developers to use Kotlin to develop Android apps.As for the grammar and tutorials of the Kotlin language, which are not covered in this article, please refer to the following official website documentation and online development tutorials. Kotlin-android "Kotlin for Android Developers" Chinese translation Kot

Guided Android is a free and open source Linux-based operating system that is used primarily for mobile devices such as smartphones and tablets, led and developed by Google and the Open Cell Alliance. There is no unified Chinese name, more people in mainland China use "Android" or "Ann". The Android operating system wa

the relevant name slowly. Next, let's look at how to use the ADB command line to uninstall or remove Android apps. Here we take the Windows computer as an example platform, and we'll just do it when your PC is fully provisioned with Android ADB. That is, your Android device can work well in

memory leak.(2) PSS information for totalThis value is the amount of memory your app really occupies, and with this information, you can easily identify which programs in your phone are more memory-heavy.4. SummaryAbout the use of memory in the development of Android and memory leak detection simply introduced here, basically in the above three ways can be located in the memory leak problem, usually in the use of bitmap, database and JNI layer C/D +

Sharing a file (shared files)This series of articles in my study of Google Developer documentation combined with Google translation and their own understanding of the writing, I hope to learn Android development friends bring some convenience, due to the limited level of personal translation, so the content contains the original text and translation, I hope that the browser combined understanding, so as not to step into the misunderstanding I may be w

Tudou Sync update : http://www.tudou.com/plcover/VHNh6ZopQ4E/ use HTML to create a Mac OS App video tutorial. QQ Group: (1) app practice 434558944 (2) App learning communication 452180823 Baidu Network Disk synchronization:/HTTP pan.baidu.com/s/1jg1q58m sharing [Chinese documentary] Internet era Http://pan.baidu.com/s/1qWkJfcS Google launches new Android development language Sky: making

Why I wrote this article? When I learn more about Android's graphics system, and do more work about how to use CPU/GPU in more paralleled Way to Improve the graphics performance in Android, I start to think that there are actually some big design mistakes in Android graphics system,Especially the rendering architecture in the client side. Some mistakes have been solved after 3.x, especially above 4.1, but o

From: http://www.poemcode.net/2012/06/interpreting_log_message/ This blog post is for GoogleI/O 2011: One of the notes made by the memory management for Android app, mainly used to deliver the speaker PatrickDubroy's point of view is a small part of his understanding. The opinion here may contain errors or outdated information. Therefore, it is recommended that you directly watch the original video or presentation if your English skills are acceptable

650) this.width=650; "Title=" Android app uses ultrasound to get user privacy Android apps use ultrasound to get user privacy "alt=" Android apps use ultrasound to get user privacy Android app