116 lines
4.6 KiB
Plaintext
116 lines
4.6 KiB
Plaintext
page.title=Platform Versions
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@jd:body
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<style type="text/css">
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div.dashboard-panel {
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max-width:1000px;
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margin:0 0 2em 0;
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padding:20px 20px 0 20px;
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border:1px solid #d3ecf5;
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border-radius:7px;
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-moz-border-radius:7px;
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-webkit-border-radius:7px;
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background-color: #DAF3FC;
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box-shadow:2px 3px 1px #eee;
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-moz-box-shadow:2px 3px 1px #eee;
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-webkit-box-shadow:2px 3px 1px #eee;
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overflow:hidden;
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}
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#jd-content div.dashboard-panel img {
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margin:0 20px 20px 0;
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padding:0;
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border:1px solid #ccc;
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float:left;
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}
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#jd-content div.dashboard-panel table {
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margin:0 0 20px 0;
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float:left;
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background-color:#fff;
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}
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div.dashboard-panel p {
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clear:left;
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}
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div.dashboard-panel th {
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white-space:nowrap;
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}
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</style>
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<p>This page provides data about the relative number of active devices
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running a given version of the Android platform. This can help you
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understand the landscape of device distribution and decide how to prioritize
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the development of your application features for the devices currently in
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the hands of users. For information about how to target your application to devices based on
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platform version, see <a href="{@docRoot}guide/appendix/api-levels.html">API Levels</a>.</p>
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<h3 id="Current">Current Distribution</h3>
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<p>The following pie chart and table is based on the number of Android devices that have accessed
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Android Market within a 14-day period ending on the data collection date noted below.</p>
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<div class="dashboard-panel">
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<img alt="" height="250" width="460"
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src="http://chart.apis.google.com/chart?&cht=p&chs=460x250&chd=t:0.3,21.3,23.5,53.1,1.8&chl=Other*|
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Android%201.5|Android%201.6|Android%202.1|Android%202.2&chco=c4df9b,6fad0c" />
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<table>
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<tr>
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<th>Platform</th>
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<th>API Level</th>
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<th>Distribution</th>
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</tr>
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<tr><td>Android 1.5</td><td>3</td><td>21.3%</td></tr>
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<tr><td>Android 1.6</td><td>4</td><td>23.5%</td></tr>
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<tr><td>Android 2.1</td><td>7</td><td>53.1%</td></tr>
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<tr><td>Android 2.2</td><td>8</td><td>1.8%</td></tr>
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</table>
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<p><em>Data collected during two weeks ending on July 1, 2010</em></p>
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<p style="font-size:.9em">* <em>Other: 0.3% of devices running obsolete versions</em></p>
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</div><!-- end dashboard-panel -->
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<h3 id="Historical">Historical Distribution</h3>
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<p>The following stacked line graph provides a history of the relative number of
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active Android devices running different versions of the Android platform. It also provides a
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valuable perspective of how many devices your application is compatible with, based on the
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platform version.</p>
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<p>Notice that the platform versions are stacked on top of each other with the oldest active
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version at the top. This format indicates the total percent of active devices that are compatible
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with a given version of Android. For example, if you develop your application for
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the version that is at the very top of the chart, then your application is
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compatible with 100% of active devices (and all future versions), because all Android APIs are
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forward compatible. Or, if you develop your application for a version lower on the chart,
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then it is currently compatible with the percentage of devices indicated on the y-axis, where the
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line for that version meets the y-axis on the right.</p>
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<p>Each dataset in the timeline is based on the number of Android devices that accessed
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Android Market within a 14-day period ending on the date indicated on the x-axis.</p>
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<div class="dashboard-panel">
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<img alt="" height="265" width="700" style="padding:5px;background:#fff"
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src="http://chart.apis.google.com/chart?&cht=lc&chs=700x265&chxt=x,y,r&chxr=0,0,10%7C1,0,100%7C2,0,
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100&chxl=0%3A%7C2010/02/01%7C02/15%7C03/01%7C03/15%7C04/01%7C04/15%7C05/01%7C05/15%7C06/01%7C06/15%
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7C2010/07/01%7C1%3A%7C0%25%7C25%25%7C50%25%7C75%25%7C100%25%7C2%3A%7C0%25%7C25%25%7C50%25%7C75%25%
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7C100%25&chxp=0,0,1,2,3,4,5,6,7,8,9,10&chxtc=0,5&chd=t:99.0,99.2,99.4,99.5,99.6,99.6,99.6,99.7,100.6
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,101.1,99.9%7C63.4,62.5,61.6,60.6,61.5,61.7,62.3,63.5,73.0,76.4,78.6%7C22.6,23.2,24.3,25.4,29.4,30.2
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,32.7,35.3,46.2,51.3,55.1%7C0.0,0.0,0.0,0.0,4.0,28.3,32.0,34.9,45.9,51.0,54.9%7C0.0,0.0,0.0,0.0,0.0,
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0.0,0.0,0.0,0.8,1.2,1.8&chm=tAndroid%201.5,7caa36,0,0,15,,t::-5%7Cb,c3df9b,0,1,0%7CtAndroid%201.6,
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638d23,1,0,15,,t::-5%7Cb,b0db6e,1,2,0%7CtAndroid%202.0.1,496c13,2,0,15,,t::-5%7Cb,9ddb3d,2,3,0%
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7CtAndroid%202.1,2f4708,3,5,15,,t::-5%7Cb,89cf19,3,4,0%7CB,6fad0c,4,5,0&chg=9,25&chdl=Android%201.5%
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20(API%20Level%203)%7CAndroid%201.6%20(API%20Level%204)%7CAndroid%202.0.1%20(API%20Level%206)%
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7CAndroid%202.1%20(API%20Level%207)%7CAndroid%202.2%20(API%20Level %208)&chco=add274,
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9ad145,84c323,6ba213,507d08" />
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<p><em>Last historical dataset collected during two weeks ending on July 1, 2010</em></p>
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</div><!-- end dashboard-panel -->
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