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Robert Ly35f2fda2013-01-29 16:27:05 -08001fullpage=true
2no_footer_links=true
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4page.metaDescription=The official site for the Android Open Source Project.
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Clay Murphyb808be72015-01-05 16:13:15 -08009 Copyright 2015 The Android Open Source Project
Robert Ly35f2fda2013-01-29 16:27:05 -080010
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12 you may not use this file except in compliance with the License.
13 You may obtain a copy of the License at
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23<div class="wrap">
24
25 <div class="landing-banner">
26 <h1 itemprop="name" style="margin-bottom:0;">Welcome to the Android Open Source Project!</h1>
Robert Ly5b218c22013-05-07 10:37:22 -070027
Clay Murphyfa783d82015-05-01 14:26:20 -070028<p>
29Android is an open source software stack for a wide range of mobile devices and
30a corresponding open source project led by Google. This site offers the
31information and source code you need to create custom variants of the Android
32stack, port devices and accessories to the Android platform, and ensure your
33devices meet compatibility requirements.
34</p>
Robert Ly35f2fda2013-01-29 16:27:05 -080035
36 </div>
37
38</div>
39
Robert Ly35f2fda2013-01-29 16:27:05 -080040<div class="wrap">
41
42 <div class="landing-docs">
43 <div class="col-8">
Clay Murphya336f062014-05-08 13:33:23 -070044 <h3>What's New</h3>
Clay Murphy66f2eff2015-05-18 17:35:33 -070045<a href="{@docRoot}source/building.html">
46 <h4>Increased Disk Space Requirements</h4></a>
47 <p>The amount of available disk space required to build Android has
48 been increased to a minimum of 100GB in <strong><a
49 href="{@docRoot}source/building.html">Downloading and Building</a></strong>.</p>
50
Clay Murphy929f39c2015-05-04 17:08:07 -070051<a href="{@docRoot}compatibility/cts/index.html">
52 <h4>Compatibility Test Suite User Instructions</h4></a>
53 <p>The <strong><a
54 href="{@docRoot}compatibility/cts/index.html">Compatibility Test Suite (CTS)
55 User Manual</a></strong> previously presented as a PDF has been converted to native web
56 pages and updated to improve clarity.</p>
57
Clay Murphy46b38622015-04-30 12:48:48 -070058<a href="{@docRoot}devices/halref/index.html">
59 <h4>Hardware Abstraction Layer References</h4></a>
60 <p>The <strong><a href="{@docRoot}devices/halref/index.html">Hardware
61 Abstraction Layer (HAL) reference files</a></strong> have been updated to
62 reflect the latest development, such as the introduction of
63 <code>AUDIO_PARAMETER_DEVICE_CONNECT</code> to <strong><a
64 href="{@docRoot}devices/halref/audio_8h_source.html">audio.h</a></strong>.</p>
65
Clay Murphy009dadd2015-04-21 12:09:35 -070066<a href="{@docRoot}devices/tech/debug/dumpsys.html">
67 <h4>Example Dumpsys Diagnostic Output</h4></a>
68 <p>In addition to the aforementioned <strong><a
69 href="{@docRoot}devices/input/diagnostics.html">Input
70 Diagnostics</a></strong>, you can now find Dumpsys examples of usage
71 data for <strong><a href="{@docRoot}devices/tech/ram/procstats.html">RAM
72 (procstats)</a></strong>, <strong><a
73 href="{@docRoot}devices/tech/netstats.html">network (netstats)</a></strong>,
74 and <strong><a
75 href="{@docRoot}devices/tech/power/batterystats.html">battery (batterystats)</a></strong>.</p>
76
77<a href="{@docRoot}devices/audio/latency_measurements.html">
78 <h4>Audio Latency Measurements</h4></a>
79 <p>The Android audio team has published <strong><a
80 href="{@docRoot}devices/audio/latency_measurements.html">round-trip audio latency
81 measurements</a></strong> for select Nexus devices to help partners compare their
82 own devices and reduce latency further.</p>
83
84<a href="{@docRoot}devices/tech/power/index.html">
85 <h4>Power Profile Details</h4></a>
86 <p><strong><a
87 href="{@docRoot}devices/tech/power/index.html">Power</a></strong>
88 information has been moved and expanded to include details on
89 <code>cpu.awake</code> and <code>cpu.active</code>. The need to create a
90 <code>power_profile.xml</code> file is also emphasized throughout.</p>
Robert Ly35f2fda2013-01-29 16:27:05 -080091 </div>
92
93 <div class="col-8">
94 <h3>Getting Started</h3>
95 <a href="{@docRoot}source/index.html">
Clay Murphy78beecd2013-11-05 16:27:26 -080096 <h4>Explore the Source</h4></a>
Robert Ly35f2fda2013-01-29 16:27:05 -080097 <p>Get the complete Android platform and modify and build it to suit your needs. You can
Clay Murphy5a7dc7e2014-09-30 14:55:13 -070098 also <strong><a
99 href="https://android-review.googlesource.com/#/q/status:open">contribute
100 to</a></strong> the <strong><a
Clay Murphyddffdfc2015-03-02 13:30:18 -0800101 href="https://android.googlesource.com/">Android Open Source Project (AOSP)
Clay Murphy5a7dc7e2014-09-30 14:55:13 -0700102 repository</a></strong> to make your changes available to everyone else
103 in the Android ecosystem.</p>
Heidi von Markhame4f51a02015-05-15 11:24:12 -0700104<a href="{@docRoot}source/index.html"><img border="0" src="images/android_framework_small.png" alt="Android framework summary" style="display:inline;float:right;margin:5px 10px;width:42%;height:42%"></a>
Robert Ly35f2fda2013-01-29 16:27:05 -0800105 <a href="{@docRoot}devices/index.html">
Clay Murphy78beecd2013-11-05 16:27:26 -0800106 <h4>Port Android to Devices</h4></a>
Clay Murphy3fe59ee2013-07-09 10:31:04 -0700107 <p>Port the latest Android platform and
Robert Ly5b218c22013-05-07 10:37:22 -0700108 create compelling devices that your customers want.</p>
Robert Ly35f2fda2013-01-29 16:27:05 -0800109
110 <a href="{@docRoot}accessories/index.html">
Clay Murphy78beecd2013-11-05 16:27:26 -0800111 <h4>Build Accessories</h4></a>
Robert Ly5b218c22013-05-07 10:37:22 -0700112 <p>Sometimes, a device can't do it all. Tap into Android's open accessory standard and build accessories to complement the wide variety of Android-powered devices.</p>
Robert Ly35f2fda2013-01-29 16:27:05 -0800113
114 <a href="{@docRoot}compatibility/index.html">
Clay Murphy78beecd2013-11-05 16:27:26 -0800115 <h4>Get Compatible</h4></a>
Robert Ly35f2fda2013-01-29 16:27:05 -0800116 <p>Being Android-compatible lets you offer custom features but still give users and developers a consistent
117 and standard experience across all Android-powered devices. Android provides guidance
118 and a test suite to verify your Android compatibility.</p>
Clay Murphyddffdfc2015-03-02 13:30:18 -0800119
120 <a href="https://android.googlesource.com/platform/docs/source.android.com/">
121 <h4>Help this Site</h4></a>
122 <p>Please note, source.android.com is maintained in the Android Open Source Project. See the <strong><a
123 href="https://android.googlesource.com/platform/docs/source.android.com/+log/master">docs/source.android.com
124 project log in AOSP</a></strong> for the complete list of changes to this site.
125 Contribute your own updates to that same project and help maintain source.android.com.</p>
Robert Ly35f2fda2013-01-29 16:27:05 -0800126 </div>
127
128 </div>
129
Clay Murphyf965cd72013-05-30 14:43:56 -0700130</div>