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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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6@jd:body
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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
11 Licensed under the Apache License, Version 2.0 (the "License");
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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15 http://www.apache.org/licenses/LICENSE-2.0
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17 Unless required by applicable law or agreed to in writing, software
18 distributed under the License is distributed on an "AS IS" BASIS,
19 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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 Murphy7f1babd2015-06-01 16:21:37 -070045<a href="{@docRoot}devices/tech/admin/index.html">
46 <h4>Device Administration Introduction</h4></a>
47 <p>A new <strong><a
48 href="{@docRoot}devices/tech/admin/index.html">Device
49 Administration</a></strong> section summarizes use of Android in a corporate
50 environment, including <strong><a
51 href="{@docRoot}devices/tech/admin/implement.html">implementation</a></strong>, <strong><a
52 href="{@docRoot}devices/tech/admin/provision.html">provisioning</a></strong>,
53 <strong><a
54 href="{@docRoot}devices/tech/admin/testing-setup.html">testing</a></strong>,
55 and more.</p>
56
57<a href="{@docRoot}devices/audio/midi.html">
58 <h4>MIDI and Audio Latency for Developers</h4></a>
59 <p>The Android audio team has published <strong><a
60 href="{@docRoot}devices/audio/latency_app.html">advice to developers
Clay Murphyeb803872015-06-01 16:58:55 -070061 for reducing latency</a></strong> and also instructions to partners on
62 implementing the new support for <strong><a
63 href="{@docRoot}devices/audio/midi.html">MIDI</a></strong> protocol now
Clay Murphy7f1babd2015-06-01 16:21:37 -070064 available in AOSP.</p>
65
66<a href="{@docRoot}compatibility/cts/development.html">
67 <h4>CTS Development Release Schedule</h4></a>
68 <p>Compatibility Test Suite (CTS) <strong><a
69 href="{@docRoot}compatibility/cts/development.html#release-schedule">release
70 schedule and branch information</a></strong> has been published,
71 including code freeze dates and auto-merge instructions.</p>
72
73<a href="{@docRoot}devices/tech/resources.html">
74 <h4>System Resources Section</h4></a>
75 <p>A new <strong><a href="{@docRoot}devices/tech/resources.html">System
76 Resources</a></strong> section has been added to contain documentation on the
77 <strong><a href="{@docRoot}devices/tech/kernel.html">kernel</a></strong>, <strong><a
78 href="{@docRoot}devices/tech/netstats.html">network</a></strong>, and
79 <strong><a href="{@docRoot}devices/tech/ram/index.html">RAM</a></strong>.</p>
80
Clay Murphy1c7cdd32015-05-26 12:27:45 -070081<a href="{@docRoot}devices/tech/security/verifiedboot/verified-boot.html">
82 <h4>Verified Boot Improvements</h4></a>
83 <p><strong><a
84 href="{@docRoot}devices/tech/security/verifiedboot/verified-boot.html#classes">Verifying
85 Boot</a></strong> has been rewritten to remove the VERIFIED state and Keystore
86 format and add details on implementation classes, communicating boot state, and
87 kernel command line parameters. And performance recommendations have been added
88 to <strong><a
89 href="{@docRoot}devices/tech/security/verifiedboot/dm-verity.html#optimize">Implementing
90 dm-verity</a></strong>.</p>
91
Clay Murphy66f2eff2015-05-18 17:35:33 -070092<a href="{@docRoot}source/building.html">
93 <h4>Increased Disk Space Requirements</h4></a>
94 <p>The amount of available disk space required to build Android has
95 been increased to a minimum of 100GB in <strong><a
96 href="{@docRoot}source/building.html">Downloading and Building</a></strong>.</p>
Robert Ly35f2fda2013-01-29 16:27:05 -080097 </div>
98
99 <div class="col-8">
100 <h3>Getting Started</h3>
101 <a href="{@docRoot}source/index.html">
Clay Murphy78beecd2013-11-05 16:27:26 -0800102 <h4>Explore the Source</h4></a>
Robert Ly35f2fda2013-01-29 16:27:05 -0800103 <p>Get the complete Android platform and modify and build it to suit your needs. You can
Clay Murphy5a7dc7e2014-09-30 14:55:13 -0700104 also <strong><a
105 href="https://android-review.googlesource.com/#/q/status:open">contribute
106 to</a></strong> the <strong><a
Clay Murphyddffdfc2015-03-02 13:30:18 -0800107 href="https://android.googlesource.com/">Android Open Source Project (AOSP)
Clay Murphy5a7dc7e2014-09-30 14:55:13 -0700108 repository</a></strong> to make your changes available to everyone else
109 in the Android ecosystem.</p>
Heidi von Markhame4f51a02015-05-15 11:24:12 -0700110<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 -0800111 <a href="{@docRoot}devices/index.html">
Clay Murphy78beecd2013-11-05 16:27:26 -0800112 <h4>Port Android to Devices</h4></a>
Clay Murphy3fe59ee2013-07-09 10:31:04 -0700113 <p>Port the latest Android platform and
Robert Ly5b218c22013-05-07 10:37:22 -0700114 create compelling devices that your customers want.</p>
Robert Ly35f2fda2013-01-29 16:27:05 -0800115
116 <a href="{@docRoot}accessories/index.html">
Clay Murphy78beecd2013-11-05 16:27:26 -0800117 <h4>Build Accessories</h4></a>
Robert Ly5b218c22013-05-07 10:37:22 -0700118 <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 -0800119
120 <a href="{@docRoot}compatibility/index.html">
Clay Murphy78beecd2013-11-05 16:27:26 -0800121 <h4>Get Compatible</h4></a>
Robert Ly35f2fda2013-01-29 16:27:05 -0800122 <p>Being Android-compatible lets you offer custom features but still give users and developers a consistent
123 and standard experience across all Android-powered devices. Android provides guidance
124 and a test suite to verify your Android compatibility.</p>
Clay Murphyddffdfc2015-03-02 13:30:18 -0800125
126 <a href="https://android.googlesource.com/platform/docs/source.android.com/">
127 <h4>Help this Site</h4></a>
128 <p>Please note, source.android.com is maintained in the Android Open Source Project. See the <strong><a
129 href="https://android.googlesource.com/platform/docs/source.android.com/+log/master">docs/source.android.com
130 project log in AOSP</a></strong> for the complete list of changes to this site.
131 Contribute your own updates to that same project and help maintain source.android.com.</p>
Robert Ly35f2fda2013-01-29 16:27:05 -0800132 </div>
133
134 </div>
135
Clay Murphyf965cd72013-05-30 14:43:56 -0700136</div>