vi/preview/overview.jd

page.title=Tng quan v Chng trnh
page.metaDescription=Hy chun b ng dng sn sng cho phin bn Android tip theo.
page.image=images/cards/card-n-overview_2x.png
meta.tags="preview", "developer", "android"
page.tags="preview", "developer", "android"

@jd:body
<!--
<div class="cols" style=
"background-color:#f2daf5; padding: 5px 0;margin-bottom:1em; text-align:center;">
<h3>
    Developer Preview 3 is now available
  </h3>
  <p>Includes final SDK and near-final system images</p>
   <div style="margin:auto 1em">
 <ul class="dac-section-links">
    <li class="dac-section-link">
      <a href="{@docRoot}preview/support.html#preview3-notes">
      <span class="dac-sprite dac-auto-chevron"></span>
      Read the Notes</a>
    </li>

    <li class="dac-section-link">
      <a href="{@docRoot}preview/support.html#preview3-get">
      <span class="dac-sprite dac-auto-chevron"></span>
      Get the Update</a>
    </li>

    <li class="dac-section-link">
      <a href="https://code.google.com/p/android-developer-preview/">
      <span class="dac-sprite dac-auto-chevron"></span>
      Report Issues</a>
    </li>
  </ul>
  </div>
</div>
-->

<p>
  Cho mng bn n vi <strong>Android N Developer Preview</strong>, mt chng trnh
  cung cp cho bn mi th cn thit  kim th v ti u ha cc ng dng cho phin bn
  Android tip theo. y l chng trnh min ph v bn c th bt u ngay bng cch
  ti xung cc cng c ca N Developer Preview.
</p>


<div style="background-color:#eceff1;padding:1em;">
<div class="wrap">
  <div class="cols">
    <div class="col-4of12">
      <h5>
        Thit b phn cng v nh ca b gi lp
      </h5>

      <p>
        Chy v kim th ng dng ca bn trn mt lot cc thit b hoc trn b gi lp.

      </p>
    </div>

    <div class="col-4of12">
      <h5>
        M nn tng mi nht
      </h5>

      <p>
        Chng ti s cung cp cc bn cp nht hng thng trong thi gian ca Preview v vy bn s c kim tra cc thay i nn tng mi nht.
      </p>
    </div>

    <div class="col-4of12">
      <h5>
        u tin cc vn  ca nh pht trin
      </h5>

      <p>
        Trong mt vi tun u, chng ti s dnh u tin cho cc vn
        c nh pht trin bo co, v vy hy kim th v gi phn hi sm nht c th.
      </p>
    </div>

  </div>

  <div class="cols">


    <div class="col-4of12">
      <h5>
        Cc hnh vi v kh nng mi
      </h5>

      <p>
        Tin hnh cng vic sm  h tr cc hnh vi mi ca nn tng v pht trin vi cc tnh nng mi.
      </p>
    </div>

    <div class="col-4of12">
        <h5>
        Cp nht qua OTA
      </h5>

      <p>
        Cc bn cp nht lin mch qua sng v tuyn cho bt k thit b no c h tr thng qua
        Chng trnh Android Beta. Khng cn phi flash.
      </p>
    </div>

    <div class="col-4of12">
      <h5>
        Phn hi v h tr
      </h5>

      <p>
        Bo co cc vn  v gi phn hi v cho chng ti thng qua
        <a href="{@docRoot}preview/bug">b theo di vn </a> ca chng ti. Kt ni vi cc nh pht trin
        khc trong
        <a href="{@docRoot}preview/dev-community">Cng ng Nh pht trin&nbsp;N</a>.
      </p>
    </div>
  </div>
</div>
</div>

<!--
<p>New in the Android N Developer Preview: </p>

<ul>
  <li> Accompanying Android Beta Program for consumers, starting later in the preview</li>
  <li> More supported devices, including devices from OEM partners</li>
  <li> Seamless OTAs for your devices, from initial release to final N release without flashing</li>
</ul>
-->

<h2 id="timeline">Tin trnh thi gian v cc bn cp nht</h2>
<img src="{@docRoot}images/n-preview-updates_2x.png">

<p>
  N Developer Preview s ko di t 9 thng 3 nm 2016 n khi pht hnh cng chng
  bn Android N cui cng cho AOSP v OEM, d kin trong Q3 2016.
</p>

<p>
  Ti cc mc pht trin chnh chng ti s cung cp cc bn cp nht cho mi trng pht trin v
  kim th ca bn. Ni chung, bn c th nhn mt bn cp nht hng thng (khong cch
  4 n 6 tun). Cc mc c lit k di y.
</p>

<ul>
  <li><strong><a href="{@docRoot}preview/support.html#dp1">Preview 1</a></strong> (pht hnh ln u, alpha)</li>
  <li><strong><a href="{@docRoot}preview/support.html#dp2">Preview 2</a></strong> (bn cp nht tng dn, alpha)</li>
  <li><strong>Preview 3</strong> (bn cp nht tng dn, beta)</li>
  <li><strong>Preview 4</strong> (cc API cui cng v SDK chnh thc, pht hnh Play)</li>
  <li><strong>Preview 5</strong> (cc nh h thng gn hon thin  kim th cui cng)</li>
  <li><strong>Pht hnh bn cui</strong> cho AOSP v h sinh thi</li>
</ul>

<p>
  Mi bn cp nht s c cc cng c SDK, nh h thng xem trc, b gi lp, ti liu
  tham kho v nhng khc bit v API.
</p>

<p>
  <strong>Ba phin bn Preview u tin</strong> s cung cp mt <strong>mi trng
  kim th v pht trin sm</strong>  gip bn xc nh
  cc vn  tng thch trong ng dng hin ti v lp k hoch di chuyn hoc trang b hot ng
   cn thit  nhm ti nn tng mi. y l giai on u tin  bn
  gi phn hi cho chng ti v cc tnh nng, kh nng tng thch ca API v tp
  &mdash; i vi mi vn  , vui lng s dng <a href="{@docRoot}preview/bug">b theo di
  vn </a>. S c mt s thay i vi API gia cc bn cp nht ny.
</p>

<p>
  Ti <strong>Preview 4 v 5</strong> bn s c s dng <strong>cc
API v SDK N cui cng</strong>  pht trin, v c cc nh h thng gn hon thin
   kim th cc hnh vi, tnh nng ca h thng. Android N s cung cp mt mc
  API chun vo thi im ny. Bn c th tin hnh kim th kh nng tng thch cui cng i vi cc ng dng
  c v tinh chnh m ngun mi c s dng cc API hoc tnh nng mi ca N.
</p>

<p>
  Ngoi ra, bt u t Preview 4 bn c th <strong>pht hnh ng dng ln
  cc thit b</strong> chy Android N  cp API chnh thc, chng hn nh
  thit b ngi dng c chn cho chng trnh Android Beta. Bn c th
  pht hnh ng dng ln knh alpha v beta ca Google Play trc do  bn c th kim th
  ng dng ca mnh vi ngi dng Android Beta trc khi phn phi rng ri trn
  ca hng.
</p>

<p>
  Khi bn kim th v pht trin trn Android N, chng ti khuyn co bn <strong>duy tr
  mi trng pht trin c cp nht</strong> khi cc cp nht Preview c
  pht hnh.  gip cho qu trnh ny thun tin hn, bn c th ng k cc thit b kim th ca mnh vo
  chng trnh Android Beta v ly <strong>cc bn cp nht qua sng v tuyn (OTA)</strong> ti
  mi mc. Ngoi ra, cc nh xem trc cng c sn  bn
  ti xung v flash th cng.
</p>

<p>
  Chng ti s thng bo cho bn khi cc cp nht Preview xut hin thng qua <a href="http://android-developers.blogspot.com/">Blog Nh pht trin Android</a>, cng
  nh thng qua trang ny v <a href="{@docRoot}preview/dev-community">Cng ng
  Nh pht trin Android N</a>.
</p>


<h2 id="preview_tools">C g trong N Developer Preview?</h2>

<p>
  N Developer Preview c tt c mi th bn cn  kim th ng dng
  sn c ca bn trn nhiu loi kch c mn hnh, cng ngh mng, chipset CPU/GPU
  v kin trc phn cng.
</p>

<h3 id="sdk_tools">B cng c SDK</h3>

<p>Bn c th ti xung cc thnh phn ny thng qua Trnh qun l SDK trong <a href="{@docRoot}sdk/installing/adding-packages.html">Android Studio</a>:</p>

<ul>
  <li> N Developer Preview <strong>SDK v cng c</strong>
  <li> <strong>nh h thng cho b gi lp</strong> (32-bit v 64-bit) ca N Developer Preview
  <li> <strong>nh h thng cho b gi lp cho Android TV</strong> (32-bit) ca N Developer Preview
  <li> Cc th vin h tr ca N Developer Preview (dnh cho cc mu ng dng mi)
</ul>

<p>
  Chng ti s cung cp cc bn cp nht cho cc cng c pht trin ny theo tng mc khi cn thit.
</p>

<h3 id="hardware_system_images">nh h thng cho phn cng</h3>

<p>
  N Developer Preview bao gm cc nh h thng cho Nexus v phn cng khc m bn c th s dng khi
  kim th v pht trin trn cc thit b vt l. Hy xem trang <a href="{@docRoot}preview/download.html">nh cho Thit b</a>  c danh sch y
  cc nh cho phn cng.
</p>

<p>
  Chng ti s cung cp cc nh h thng cp nht cho nhng thit b ny ti mi mc. Bn
  c th ti xung v flash cc nh h thng cp nht vo cc thit b kim th
  mt cch th cng nhiu ln theo nhu cu. iu ny c bit hu ch i vi cc mi trng
  kim th t ng, trong  bn c th cn flash li thit b nhiu
  ln.
</p>

<p class="note"><strong>Lu </strong>:
  <strong>Cc thit b c flash th cng s khng nhn cc bn cp nht qua OTA</strong> ging nh trong
  preview ca nm ngoi.  Nm nay bn c th nhn qua OTA bng cch ng k cc thit b trong
  Chng trnh Android Beta &mdash; hy xem chi tit trong phn tip theo.
</p>

<h3 id="android_beta">Cc bn cp nht OTA thng qua Chng trnh Android Beta</h3>

<p>
  Tnh nng mi cho Android N l mt chng trnh cp nht qua sng v tuyn (OTA) s t ng
  pht hnh cc cp nht Preview mi nht ca Android N trc tip ti thit b  ng k
   trong chng trnh. y l chng trnh min ph v m i vi bt c ai c mt
  thit b c h tr  ng k vi ti khon Google ca h.
</p>

<p>
   ng k vo chng trnh, hy truy cp trang <a href="https://g.co/androidbeta">Chng trnh
  Android Beta</a>. Bn s thy
   tt c cc thit b  ng k vi ti khon ca bn c  iu kin  ng k
  Android Beta.
</p>

<ol>
  <li> Hy chn cc thit b bn mun nhn bn cp nht Android N
  <li> Nhp vo ng k, c v ng  vi cc iu khon dch v v sau  nhp OK
</ol>

<p>
  Mt khi  ng k, thit b ca bn s sm nhn c mt bn cp nht. Trong hu ht trng hp,
  bn s khng cn thc hin thit lp li ton b d liu  chuyn sang Android N. Tuy nhin,
  chng ti khuyn co bn sao lu bt k d liu no bn khng mun b mt trc khi
   ng k thit b.
</p>

<p>
  Khi cc bn cp nht c pht hnh ti thit b ca bn, chng ti khuyn co bn ti xung v
  ci t sm nht c th. Bn s mun cp nht cc
  thay i mi nht v UI, hnh vi, API v cc tnh nng ca h thng.
</p>

<p>
  Khi kt thc Developer Preview, cc thit b ng k ca bn s
   nhn mt bn cp nht ca bn pht hnh Android N chnh thc.
</p>

<p>
  Bn c th hy ng k cc thit b ca mnh trong chng trnh Android Beta bt k lc no thng qua
   trang Android Beta. Trc khi hy ng k, hy chc chn sao lu d phng d liu ca bn trn
   thit b .
</p>

  <p class="note"><strong>Lu </strong>:
  Khi bn hy ng k, <strong>thit b ca bn s c khi phc ci t gc</strong>
  v phin bn mi nht
  ca Android 6.0 Marshmallow (khng nht thit l phin bn bn tng
  c ci t trc khi ng k thit b).   m bo ci t mi hon ton,
   d liu ca bn s b xa khi thit b, bao gm danh b, tin nhn,
  nh, v.v...
</p>

<h3 id="documentation_and_sample_code">Ti liu v m mu</h3>

<p>
  Cc ngun ti liu ny c trn trang Developer Preview
  tr gip bn tm hiu v Android&nbsp;N:
</p>

<ul>
  <li> <a href="{@docRoot}preview/setup-sdk.html">Thit lp  Pht trin dnh cho
Android N</a> c
  cc hng dn tng bc  bt u.</li>
  <li> <a href="{@docRoot}preview/behavior-changes.html">Cc thay i
  Hnh vi</a> ch ra cho bn cc phn chnh yu  kim th.</li>
  <li> Tng quan v cc API mi, bao gm mt phn <a href="{@docRoot}preview/api-overview.html">Tng quan v API</a>, bn ti xung c
  <a href="{@docRoot}preview/setup-sdk.html#docs-dl">Tham kho
 API</a> v cc hng dn chi tit cho nh pht trin i vi cc tnh nng quan trng nh
  h tr a ca s, thng bo gp, h tr a bn a v cc tnh nng khc.
  <li> <a href="{@docRoot}preview/samples.html">M mu</a> trong
  minh ha cch h tr cc quyn v tnh nng mi.
  <li> <a href="{@docRoot}preview/support.html#release-notes">Ghi ch pht hnh</a>
  cho phin bn hin hnh ca N Developer Preview, bao gm cc ghi ch v thay i v
  cc bo co v s khc bit.
</ul>

<h4 id="reference">Tham kho API c th ti xung</h4>

<p>
  Trong cc cp nht preview c sm bn c th ti xung
  <a href="{@docRoot}preview/setup-sdk.html#docs-dl">Tham kho API
  mi nht cho nn tng Android N</a> di dng tp lu tr zip ring bit. Bn ti xung
  tham kho ny cng c mt bo co v cc khc bit  gip bn nhn bit cc thay i API t
   API 23 v bn cp nht trc .
</p>

<p>
  Khi cc API Android N hon thin v c ch nh mt mc API chnh thc,
   chng ti s cung cp tham kho API cho bn trc tuyn ti <a href="https://developer.android.com">https://developer.android.com</a>.
</p>

<h3 id="support_resources">
  Ti nguyn H tr
</h3>

<p>
  Khi bn kim th v pht trin trn N Developer Preview, xin vui lng s dng cc knh sau
   thng bo cc vn  v gi phn hi.
</p>

<ul>
  <li> <a href="https://code.google.com/p/android-developer-preview/">B theo di Vn  N Developer Preview
  </a> l <strong>knh phn hi chnh</strong> ca bn. Bn c th thng bo li, cc vn  v
  hiu nng v phn hi chung thng qua b theo di vn . Bn cng c th kim tra
<a href="{@docRoot}preview/bug">cc vn   bit</a> v
   tm cc bc khc phc. Chng ti s cp nht thng tin cho bn v vn  ca bn khi n  c phn loi v gi ti
   nhm k thut Android xem xt. </li>
  <li> <a href="{@docRoot}preview/dev-community">Cng ng Nh pht trin Android N</a> l
   mt cng ng Google+ ni bn c th <strong>kt ni vi cc nh pht trin khc</strong> ang th nghim
   Android N. Bn c th chia s cc pht hin hoc  tng hoc tm cu tr li cho cc
    thc mc v Android N. Chng ti s iu hnh cng ng ny v cung cp cc cu tr li v
    hng dn khi cn thit.</li>
</ul>

<h3 id="targeting">Nhm mc tiu, API xem trc v pht hnh</h3>

<p>
  N Developer Preview s cung cp mt h thng v th vin
   Android ch dnh cho pht trin m <strong>khng c mc API tiu chun</strong>. Nu bn mun
  b cc hnh vi v kh nng tng thch  kim th ng dng ca mnh (c bit
  khuyn co), bn c th nhm mc tiu phin bn xem trc ca Android N bng cch thit lp
  <code><a href=
  "{@docRoot}preview/setup-sdk.html#create-update">targetSdkVersion</a></code>
 ca ng dng thnh <code>N</code>.
</p>

<p>
  Android N Developer Preview cung cp cc <strong>API xem trc</strong>
  &mdash; cc API ny khng phi bn chnh thc cho n khi SDK cui cng c pht hnh,
  hin c d kin pht hnh vo qu ba nm 2016. iu ny c ngha l c th
  <strong>c cc thay i API nh</strong> sau ny, c bit trong
   cc tun u ca chng trnh. Chng ti s cung cp bn tm tt cc thay i cho bn theo
   mi bn cp nht ca Android N Developer Preview.
</p>

<p class="note">
  <strong>Lu </strong>: Mc d cc API xem trc c th thay i nhng
  cc hnh vi h thng c bn vn n nh v sn sng  kim th
  ngay.
</p>

<p>
  Google Play <strong>khng cho php pht hnh cc ng dng nhm mc tiu ti N Developer
  Preview</strong>. Khi c bn SDK cui cng ca Android N bn s c th
   nhm mc tiu mc API Android N chnh thc v pht hnh ng dng ca mnh ln Google
  Play thng qua cc knh pht hnh alpha v beta. Trong thi gian ny, nu bn mun
   phn phi mt ng dng nhm mc tiu Android N cho ngi kim th th bn c th thc hin phn phi qua email hoc
  bng cch ti trc tip trn trang web ca bn.
</p>

<p>
  Khi Android N c pht hnh hon chnh cho AOSP v OEM, d kin vo Q3 2016,
  bn c th pht hnh ng dng ca mnh nhm mc tiu Android N ln knh
  pht hnh cng chng trong Google Play.
</p>


<h2 id="how_to_get_started">Cch thc bt u</h2>

<p>
   bt u kim th ng dng ca bn vi Android N:
</p>

<ol>
  <li> Xem li <a href="{@docRoot}preview/api-overview.html">Tng quan v API</a>
  v <a href="{@docRoot}preview/behavior-changes.html">Cc thay i Hnh vi</a>
  bit c c nhng g mi v n s tc ng n ng dng ca bn nh th no. c bit,
  hy tm hiu v cc tnh nng <a href="{@docRoot}preview/features/notification-updates.html">thng bo</a> mi v
  <a href="{@docRoot}preview/features/multi-window.html">h tr a ca s</a>.</li>
  <li> Thit lp mi trng ca bn bng cch lm theo cc hng dn  <a href="{@docRoot}preview/setup-sdk.html">Preview SDK</a>
  v cu hnh cc thit b kim th.</li>
  <li> Lm theo <a href="https://developers.google.com/android/nexus/images">cc hng dn
  flash</a>  flash nh h thng Android N mi nht cho thit b ca bn. </li>
  <li> Xem li <a href="{@docRoot}preview/setup-sdk.html#docs-dl">Tham kho API</a>
 v <a href="{@docRoot}preview/samples.html">cc v d v Android N</a>  hiu
  su hn v cc tnh nng API mi cng nh cch s dng chng trong ng dng ca bn.
  <li> Tham gia <a href="{@docRoot}preview/dev-community">Cng ng
  Nh pht trin Android N</a>  nhn c thng tin mi nht v kt ni vi cc
  nh pht trin khc ang th nghim vi nn tng mi.</li>
</ol>

<p>
  Cm n bn  tham gia chng trnh Android N Developer Preview!
</p>