1 page.title=Gii thiu v Android 2 3 @jd:body 4 5 6 <div class="sidebox" style="width:220px"><!-- width to match col-4 below --> 7 <p> tm hiu v cch cc ng dng hot ng, hy bt u vi phn 8 <a href="{@docRoot}guide/components/fundamentals.html">i cng v ng dng</a>.</p> 9 <p> bt u ngay vi vic vit m, hy c phn <a href="{@docRoot}training/basics/firstapp/index.html">Xy dng ng dng u tin ca Bn</a>.</p> 10 </div> 11 12 <p>Android cung cp mt khun kh ng dng phong ph cho php bn xy dng cc ng dng v tr chi mi 13 cho cc thit b di ng trong mi trng ngn ng Java. Ti liu c lit k trong vng iu hng 14 bn tri s cung cp chi tit v cch xy dng ng dng bng cch s dng cc API khc nhau ca Android.</p> 15 16 <p>Nu bn mi lm quen vi vic pht trin Android, quan trng l bn phi hiu 17 nhng khi nim c bn sau v khun kh ng dng Android:</p> 18 19 20 <div class="landing-banner"> 21 22 <div class="col-6"> 23 24 <h4>Cc ng dng cung cp nhiu im nhp</h4> 25 26 <p>Cc ng dng Android c tch hp nh mt s kt hp gia cc thnh phn khc nhau c th c gi ra 27 ring. V d, mt <em>hot ng</em> ring l cung cp mt mn hnh 28 duy nht cho mt giao din ngi dng, v mt <em>dch v</em> chy ngm thc hin c lp 29 cng vic.</p> 30 31 <p>T mt thnh phn, bn c th khi ng mt thnh phn khc bng cch s dng mt <em> nh</em>. Thm ch bn c th bt u 32 mt thnh phn trong mt ng dng khc, chng hn nh mt hot ng trong mt ng dng bn hin th mt a ch. M hnh ny 33 cung cp nhiu im nhp cho mt ng dng duy nht v cho php bt k ng dng no x l nh "mc nh" 34 ca mt ngi dng i vi mt hnh ng m cc ng dng khc c th gi ra.</p> 35 36 37 <p><b>Tm hiu thm:</b></p> 38 <ul class="nolist"> 39 <li><a href="{@docRoot}guide/components/fundamentals.html">i cng v ng dng</a> 40 <li><a href="{@docRoot}guide/components/intents-filters.html"> nh v B lc nh</a> 41 <li><a href="{@docRoot}guide/components/activities.html">Hot ng</a> 42 </ul> 43 44 </div> 45 46 47 <div class="col-6"> 48 49 <h4>Cc ng dng s thch ng theo cc thit b khc nhau</h4> 50 51 <p>Android cung cp mt khun kh ng dng thch ng cho php bn cung cp cc ti nguyn duy nht 52 cho cc cu hnh thit b khc nhau. V d, bn c th to cc tp b tr 53 XML khc nhau cho cc kch c mn hnh khc nhau v h thng 54 s xc nh b tr no s p dng da trn kch c mn hnh hin ti ca thit b.</p> 55 56 <p>Bn c th truy vn v s sn c ca cc tnh nng trn thit b vo thi gian chy nu bt k tnh nng no ca ng dng 57 yu cu phn cng c th, chng hn nh my nh. Nu cn, bn cng c th khai bo cc tnh nng m ng dng ca mnh yu cu 58 v vy, nhng ch ng dng nh Google Play Store khng cho php ci t trn nhng thit b khng h tr 59 tnh nng .</p> 60 61 62 <p><b>Tm hiu thm:</b></p> 63 <ul class="nolist"> 64 <li><a href="{@docRoot}guide/practices/compatibility.html">Tnh tng thch ca Thit b</a> 65 <li><a href="{@docRoot}guide/topics/resources/overview.html">Tng quan v Ti nguyn</a> 66 <li><a href="{@docRoot}guide/topics/ui/overview.html">Tng quan v Giao din Ngi dng</a> 67 </ul> 68 69 </div> 70 71 </div><!-- end landing-banner --> 72 73 74 75
