Android應(yīng)用開(kāi)發(fā)參考資料

1、最新Android應(yīng)用開(kāi)發(fā)參考資料Philosophy and GoalsAndroid is an open-source software stack for mobile phones and other devices.Origin and GoalAndroid was originated by a group of companies known as the Open Handset Alliance, led by Google. Today, many companies - both original members of the OHA and others - hav

2、e invested heavily in Android, typically in the form of allocating significant engineering resources to improve Android and bring Android devices to Market.We created Android in response to our own experiences launching mobile apps. We wanted to make sure that there would always be an open platform

3、available for carriers, OEMs, and developers to use to make their innovative ideas a reality. We wanted to make sure that there was no central point of failure, where one industry player could restrict or control the innovations of any other. The solution we chose was an open and open-source platfor

4、m.The goal of the Android Open Source Project is to create a successful real-world product that improves the mobile experience for end users.Governance PhilosophyThe companies that have invested in Android have done so on its merits, because we believe that an open platform is necessary. Android is

5、intentionally and explicitly an open-source - as opposed to free software - effort: a group of organizations with shared needs has pooled resources to collaborate on a single implementation of a shared product. The Android philosophy is pragmatic, first and foremost. The objective is a shared produc

6、t that each contributor can tailor and customize.Uncontrolled customization can, of course, lead to incompatible implementations. To prevent this, the AOSP also maintains the Android Compatibility Program, which spells out what it means to be Android compatible, and what is required of device builde

7、rs to achieve that status. Anyone can (and will!) use the Android source code for any purpose, and we welcome all such uses. However, in order to take part in the shared ecosystem of applications that we are building around Android, device builders must participate in the Compatibility Program.Thoug

8、h Android consists of multiple sub-projects, this is strictly a project-management technique. We view and manage Android as a single, holistic software product, not a distribution, specification, or collection of replaceable parts. Our intent is that device builders port Android to a device; they do

9、nt implement a specification or curate a distribution.How We WorkWe know that quality does not come without hard work. Along with many partners, Google has contributed full-time engineers, product managers, UI designers, Quality Assurance, and all the other roles required to bring modern devices to

10、market. We roll the open source administration and maintenance into the larger product development cycle.At any given moment, there is a current latest release of the Android platform. This typically takes the form of a branch in the tree. Device builders and Contributors work with the current lates

11、t release, fixing bugs, launching new devices, experimenting with new features, and so on. In parallel, Google works internally on the next version of the Android platform and framework, working according to the products needs and goals. We develop the next version of Android by working with a devic

12、e partner on a flagship device whose specifications are chosen to push Android in the direction we believe it should go. When the n+1th version is ready, it will be published to the public source tree, and become the new latest release. HYPERLINK :/source.android /about/philosophy.html l top#top Go

13、to top 報(bào)告稱谷歌Android應(yīng)用開(kāi)發(fā)人員多來(lái)自美國(guó)2022年01月27日18:45騰訊科技編譯/小貝我要評(píng)論(0) 字號(hào)：T|T 導(dǎo)讀該報(bào)告指出，有65%的Android應(yīng)用開(kāi)發(fā)人員來(lái)自美國(guó)境內(nèi)。Distimo認(rèn)為，這是因?yàn)楦顿M(fèi)應(yīng)用這種商業(yè)模式在美國(guó)興起的時(shí)間比擬早。騰訊科技訊編譯/小貝北京時(shí)間1月27日消息，據(jù)國(guó)外媒體報(bào)道，應(yīng)用商店分析工具提供商Distimo于近日發(fā)布的12月份報(bào)告顯示，大多數(shù)Android應(yīng)用開(kāi)發(fā)人員來(lái)自美國(guó)，而微軟Windows Mobile應(yīng)用的平均售價(jià)較高，僅次于黑莓 應(yīng)用。Distimo的這份報(bào)告對(duì)應(yīng)用程序的開(kāi)展進(jìn)行了分析，主要關(guān)注美國(guó)、英國(guó)、歐元區(qū)和日

14、本這四個(gè)地區(qū)的應(yīng)用開(kāi)發(fā)人員，并得出了一些有趣的發(fā)現(xiàn)。大多數(shù)Android應(yīng)用程序的開(kāi)發(fā)者來(lái)自美國(guó)騰訊科技配圖該報(bào)告指出，有65%的Android應(yīng)用開(kāi)發(fā)人員來(lái)自美國(guó)境內(nèi)。Distimo認(rèn)為，這是因?yàn)楦顿M(fèi)應(yīng)用這種商業(yè)模式在美國(guó)興起的時(shí)間比擬早。同時(shí)，歐元區(qū)、英國(guó)和日本的Android應(yīng)用開(kāi)發(fā)人員所占比例分別為20%、12%和3%。Distimo的報(bào)告指出，在Android應(yīng)用商店的應(yīng)用售價(jià)方面，歐元區(qū)的售價(jià)最高，為平均每款應(yīng)用售價(jià)4.42美元，比美國(guó)Android應(yīng)用的平均售價(jià)2.96美元高出50%。英國(guó)和日本的Android應(yīng)用平均售價(jià)分別為3.31美元和2.28美元。黑莓與微軟Windows

15、 Mobile應(yīng)用售價(jià)較高騰訊科技配圖Distimo還對(duì)iPhone、黑莓、Windows Mobile、諾基亞平臺(tái)以及Android應(yīng)用進(jìn)行了橫向比擬。通過(guò)比照發(fā)現(xiàn)，黑莓和Windows Mobile這兩個(gè)最受企業(yè)用戶歡送的 應(yīng)用平臺(tái)，其應(yīng)用售價(jià)也最高。黑莓應(yīng)用的平均售價(jià)達(dá)每款8.26美元，而Windows Mobile應(yīng)用的平均售價(jià)為6.99美元。iPhone、Android和諾基亞平臺(tái)的應(yīng)用售價(jià)差不多，分別為3.62美元，3.27美元和3.47美元。Windows Mobile應(yīng)用將近7美元的平均售價(jià)令人略感意外。Distimo對(duì)Windows Mobile應(yīng)用進(jìn)行了分析。在總共812款

16、Windows Mobile應(yīng)用當(dāng)中，在美國(guó)可以買到的最多，為639款，緊隨其后的是英國(guó)，可以買到264款；排名第三的澳大利亞僅能買到216款。另外，Distimo的分析發(fā)現(xiàn)，在所有應(yīng)用平臺(tái)當(dāng)中，即時(shí)通訊軟件都是最受歡送的應(yīng)用，另外游戲也非常受歡送。Distimo每月發(fā)布的報(bào)告顯示，智能 應(yīng)用的開(kāi)展不僅速度快，而且呈現(xiàn)出全球化的趨勢(shì)。2022 中國(guó) Android 開(kāi)發(fā)者大調(diào)查報(bào)告在過(guò)去的兩年中，Android 的開(kāi)展勢(shì)頭是非常迅猛的。作為有著龐大開(kāi)發(fā)者群體和眾多硬件廠家的中國(guó)，Android 的開(kāi)展形勢(shì)又是怎么樣的呢？Android 開(kāi)發(fā)組進(jìn)行了一個(gè)為期三個(gè)星期的中國(guó) Android 開(kāi)發(fā)者

17、調(diào)查問(wèn)卷，收到有效答卷 501 份，現(xiàn)在 ifanr 公布調(diào)查結(jié)果，歡送其他各博客媒體轉(zhuǎn)載使用。這里先感謝 ifanr 和眾多推上好友友情轉(zhuǎn)推調(diào)查卷鏈接：超過(guò)三分之一的調(diào)查者是業(yè)余開(kāi)發(fā) Android，但個(gè)人和公司開(kāi)發(fā)也占到 40% 以上，總共有超過(guò) 70% 的調(diào)查者是專業(yè)人士：至于開(kāi)發(fā)者團(tuán)體大小，目前超過(guò) 60% 是在單干模式。超過(guò) 90% 的團(tuán)隊(duì)是 50 人以下。當(dāng)然還有超過(guò) 100 人團(tuán)隊(duì)的有 15 人，還有 16 個(gè)調(diào)查者表示數(shù)不清楚具體人數(shù)不知道是人太多還是真的數(shù)不清。囧接近 40% 的調(diào)查者是剛起步的移動(dòng)開(kāi)發(fā)者，另有接近 40% 的開(kāi)發(fā)者是少于 2 年經(jīng)驗(yàn)。當(dāng)然也有 510 年移動(dòng)

18、開(kāi)發(fā)經(jīng)驗(yàn)的前輩：80% 的調(diào)查者開(kāi)發(fā)過(guò) Android，還有接近四分之一的開(kāi)發(fā)者開(kāi)發(fā)過(guò) J2ME這個(gè)是預(yù)料之中，因?yàn)?J2ME 和 Android 都是用 Java 語(yǔ)言來(lái)開(kāi)發(fā)，過(guò)渡到 Android 會(huì)比擬自然。還有差不多 15% 的開(kāi)發(fā)者也接觸過(guò) iOS 和 Windows Mobile 的開(kāi)發(fā)。絕大多數(shù)開(kāi)發(fā)者年齡介于 2030 歲之間，也有相當(dāng)一局部 10% 是在 31-35 歲之間：大局部超過(guò) 75%開(kāi)發(fā)者還沒(méi)有在 Android Market 上發(fā)布過(guò) app。這很大程度上是因?yàn)?Android Market 所支持的付費(fèi)方式 Google Checkout 并沒(méi)有對(duì)中國(guó)大陸開(kāi)放。很

19、多開(kāi)發(fā)者都要繞道香港或者歐美去開(kāi)設(shè)一個(gè)專門的帳號(hào)來(lái)開(kāi)通有效的 Google Checkout 帳號(hào)。10% 的開(kāi)發(fā)者收入是以付費(fèi) app 為主，超過(guò) 20% 的那么以廣告收入為主。當(dāng)然還有很大局部超過(guò) 65%的開(kāi)發(fā)者并沒(méi)有收入。這也和上面超過(guò) 75% 的開(kāi)發(fā)者還沒(méi)有在 Market 上發(fā)布過(guò) app 一致?；趶V告收入的開(kāi)發(fā)者，超過(guò) 65% 的使用過(guò) Google AdSense。還有 40% 的用過(guò) AdMob現(xiàn)在 AdMob 是 Google 的一局部了。還有哇棒wooboo超過(guò) 10% 的比例有點(diǎn)讓人驚訝，也可能是其前段時(shí)期發(fā)布 app 就送錢的促銷有關(guān)。有米youmi也占了 6.6%在收入方面，超過(guò) 60% 的還沒(méi)正式有收入，估計(jì)是開(kāi)發(fā)免費(fèi) app，試水為主。剩余有收入的開(kāi)發(fā)者中，有一半開(kāi)發(fā)者表示收入很差或者不是很好，但也有差不多一半的開(kāi)發(fā)者表示收入超過(guò)預(yù)期，滿意，和前景不錯(cuò)。所以：app 開(kāi)發(fā)有風(fēng)險(xiǎn)，入市需謹(jǐn)慎：但回報(bào)也會(huì)不錯(cuò)發(fā)布的 App Store 里，Google 的 Android Market 還是占了超過(guò)半數(shù)。使用移動(dòng)的 mm market 也有不少。摩托羅拉的 SHOP4APPS 和 HTC Marketplace 也有些許份額?？偟膩?lái)說(shuō)，在中國(guó)，Android 兩年間取得了