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      1 page.title=
      2 parent.title=
      3 parent.link=index.html
      4 
      5 trainingnavtop=true
      6 previous.title=
      7 previous.link=screensizes.html
      8 next.title=
      9 next.link=adaptui.html
     10 
     11 @jd:body
     12 
     13 
     14 <!-- This is the training bar -->
     15 <div id="tb-wrapper"> 
     16 <div id="tb"> 
     17 
     18 <h2></h2>
     19 <ol>
     20   <li><a href="#TaskUseDP"></a></li>
     21   <li><a href="#TaskProvideAltBmp"></a></li>
     22 </ol>
     23 
     24 <h2></h2>
     25 
     26 <ul>
     27   <li><a href="{@docRoot}guide/practices/screens_support.html"></a></li>
     28   <li><a href="{@docRoot}guide/practices/ui_guidelines/icon_design.html"></a></li>
     29 </ul>
     30 
     31 <h2></h2>
     32  
     33 <div class="download-box"> 
     34 <a href="http://developer.android.com/shareables/training/NewsReader.zip" class="button"></a>
     35 <p class="filename">NewsReader.zip</p> 
     36 </div> 
     37  
     38  
     39 </div> 
     40 </div> 
     41 
     42 <p></p>
     43 
     44 <h2 id="TaskUseDP"></h2>
     45 
     46 <p> <code>dp</code>  <code>sp</code> <code>dp</code>  160 dpi <code>sp</code> </p>
     47 
     48 <p> <code>dp</code> <code>px</code></p>
     49 
     50 <pre>
     51 &lt;Button android:layout_width="wrap_content" 
     52     android:layout_height="wrap_content" 
     53     android:text="&#64;string/clickme"
     54     android:layout_marginTop="20dp" /&gt;
     55 </pre>
     56 
     57 <p> <code>sp</code> </p>
     58 
     59 <pre>
     60 &lt;TextView android:layout_width="match_parent" 
     61     android:layout_height="wrap_content" 
     62     android:textSize="20sp" /&gt;
     63 </pre>
     64 
     65 
     66 <h2 id="TaskProvideAltBmp"></h2>
     67 
     68 <p> Android </p>
     69 
     70 <p></p>
     71 
     72 <p><ul>
     73   <li><code>xhdpi</code>2.0
     74   <li><code>hdpi</code>1.5
     75   <li><code>mdpi</code>1.0
     76   <li><code>ldpi</code>0.75
     77 </ul></p>
     78 
     79 <p> <code>xhdpi</code>  200x200  <code>hdpi</code><code>mdpi</code>  <code>ldpi</code>  150x150100x100  75x75 </p>
     80 
     81 <p> <code>res/</code> </p>
     82 
     83 <pre class="classic no-pretty-print">
     84 MyProject/
     85   res/
     86     drawable-xhdpi/
     87         awesomeimage.png
     88     drawable-hdpi/
     89         awesomeimage.png
     90     drawable-mdpi/
     91         awesomeimage.png
     92     drawable-ldpi/
     93         awesomeimage.png
     94 </pre>
     95 
     96 <p> <code>&#64;drawable/awesomeimage</code> dpi </p>
     97 
     98 <p><a
     99 href="{@docRoot}guide/practices/ui_guidelines/icon_design.html"></a></p>
    100 
    101