1 fullpage=true 2 no_footer_links=true 3 landing.page=true 4 page.metaDescription=The official site for the Android Open Source Project. 5 header.hide=1 6 @jd:body 7 8 <!-- 9 Copyright 2016 The Android Open Source Project 10 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 14 15 http://www.apache.org/licenses/LICENSE-2.0 16 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. 20 See the License for the specific language governing permissions and 21 limitations under the License. 22 --> 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> 27 28 <p>Android is an open source software stack for a wide range of mobile devices 29 and a corresponding open source project led by Google. This site offers the 30 information and source code you need to create custom variants of the Android 31 stack, port devices and accessories to the Android platform, and ensure your 32 devices meet compatibility requirements.</p> 33 34 <h2 align="center">Android 7.0 Updates Available</h2> 35 </div> 36 37 </div> 38 39 <div class="wrap"> 40 41 <div class="landing-docs"> 42 <div class="col-10"> 43 <h3>What's New</h3> 44 45 <h4>Key Features</h4> 46 <p> 47 <a href="{@docRoot}devices/tech/dalvik/jit-compiler.html"><strong>Just-in-time 48 (JIT) compiler</strong></a> with code profiling to Android runtime (ART) 49 continually improves app performance. 50 <a href="{@docRoot}security/encryption/file-based.html"><strong>Direct boot and 51 file-based encryption</strong></a> allows certain apps to run securely when 52 the device is powered on but not unlocked. 53 <a href="{@docRoot}devices/tech/display/multi-window.html"><strong>Multi-window</strong></a> 54 support enables simultaneous display of multiple apps on a device screen. 55 The <a href="{@docRoot}devices/automotive.html"><strong>Vehicle 56 HAL</strong></a> enables Android Automotive implementations.</p> 57 58 <h4>Security Improvements</h4> 59 <p> 60 Android now strictly enforces 61 <a href="{@docRoot}security/verifiedboot/verified-boot.html"><strong>verified 62 boot</strong></a> and requires a 63 <a href="{@docRoot}security/overview/app-security.html#certificate-authorities"><strong>same-system 64 trusted CA store</strong></a>. 65 <a href="{@docRoot}security/apksigning/index.html#v2"><strong>APK signature 66 scheme v2</strong></a> performs signature checking across the entire file. 67 Security hardening of <a href="{@docRoot}devices/media/framework-hardening.html"><strong>media 68 framework</strong></a> and 69 <a href="{@docRoot}devices/camera/versioning.html#hardening">camera service</strong></a> 70 splits mediaserver into multiple processes with restricted permissions and 71 capabilities (may require changes to HAL implementations). 72 For more changes, see 73 <a href="{@docRoot}security/enhancements/enhancements70.html"><strong>7.0 74 security enhancements</strong></a>.</p> 75 76 <h4>Audio, Camera, & Graphics Updates</h4> 77 <p> 78 <a href="{@docRoot}devices/audio/implement-policy.html"><strong>Audio policy 79 improvements</strong></a> include changes to policy configuration files, a 80 reorganization of audio policy code, and new extensions for audio policy routing 81 APIs. 82 Android now supports 83 <a href="{@docRoot}devices/graphics/arch-vulkan.html"><strong>Vulkan</strong></a> 84 (low-overhead, cross-platform API for high-performance 3D graphics) and 85 <a href="{@docRoot}devices/graphics/testing.html"><strong>OpenGL 86 3.2</strong></a>; check with your SoC for driver support. 87 Enhancements to 88 <a href="{@docRoot}devices/camera/versioning.html"><strong>camera3</strong></a> 89 support devices with high-end cameras.</p> 90 91 <h4>OEM Customizations</h4> 92 <p>Users can now 93 <a href="{@docRoot}devices/tech/connect/block-numbers.html"><strong>restrict 94 calls and texts</strong></a> (impacts apps using blocking features). 95 Do-not-disturb (DND) rules can now 96 <a href="{@docRoot}devices/tech/display/dnd.html"><strong>suppress visual 97 interruptions</strong></a>.</p> 98 99 <h4>Android For Work Updates</h4> 100 <p>New device administration features include 101 <a href="{@docRoot}devices/tech/admin/enterprise-telephony.html"><strong>enterprise 102 telephony</strong></a> (cross-profile contact searching and badging, affects 103 preloaded Dialer and Contacts apps), 104 <a href="{@docRoot}devices/tech/admin/implement.html#HAL_values"><strong>device 105 monitoring and health reporting</strong></a> (APIs for apps to query device 106 hardware state; device must report correct values in the HAL implementation), 107 and 108 <a href="{@docRoot}devices/tech/admin/testing-setup.html#troubleshooting"><strong>enterprise 109 process logging and device owner triggered bugreports</strong></a> (collect logs 110 for user actions on a managed device).</p> 111 112 <h4>Power Improvements</h4> 113 <p> 114 <a href="{@docRoot}devices/tech/power/mgmt.html#doze"><strong>Doze</strong></a> 115 now works on devices in motion. 116 <a href="{@docRoot}devices/tech/power/mgmt.html#sustained_performance"><strong>Sustained 117 performance</strong></a> hints can inform long-running applications of 118 device-performance capabilities (requires power HAL changes). 119 <a href="{@docRoot}devices/tech/connect/data-saver.html"><strong>Data 120 Saver</strong></a> enables restricting background data when on cellular or 121 metered networks. 122 Android now collects data for 123 <a href="{@docRoot}devices/tech/power/values.html#le-bt-scans"><strong>Low 124 Energy (LE) scans and Bluetooth</strong></a> traffic.</p> 125 126 <h4>Under the Hood</h4> 127 <p>Dialer APIs handle all 128 <a href="{@docRoot}devices/tech/connect/call-notification.html"><strong>call 129 notification</strong></a> logic (instead of sharing with Telecom). 130 <a href="{@docRoot}devices/tech/config/namespaces_libraries.html"><strong>Namespaces 131 for native libraries</strong></a> prevent apps from using private platform 132 native APIs. 133 <a href="{@docRoot}source/running.html#flashing-a-device"><strong>Flash 134 unlock</strong></a> reports the bootloader's lock status. 135 <a href="{@docRoot}devices/tech/connect/ril.html"><strong>Radio 136 Interface Layer (RIL)</strong></a> support includes enhancements to error codes, 137 versioning, and wakelocks. 138 <a href="{@docRoot}devices/tech/config/uicc.html"><strong>UICC carrier 139 privilege</strong></a> rules now support Access File Rule (ARF) storage. 140 Android now supports the RFID smart card system 141 <a href="{@docRoot}devices/tech/connect/felica.html"><strong>Felicity Card 142 (FeliCa)</strong></a>. 143 Documentation updated for 144 <a href="{@docRoot}devices/halref/index.html"><strong>HAL</strong></a> 145 and <a href="{@docRoot}reference/packages.html"><strong>TradeFed</strong></a> 146 references.</p> 147 148 <!--SAVED for FUTURE REFERENCE 149 <a href="{@docRoot}source/build-numbers.html"> 150 <h4>Lollipop and Marshmallow Build Numbers</h4></a> 151 <p>New <strong><a 152 href="{@docRoot}source/build-numbers.html#source-code-tags-and-builds">Build 153 Numbers</a></strong> have been published for Lollipop on Nexus 10 and 154 Marshmallow on Nexus 5, Nexus 5X, Nexus 6, Nexus 6P, Nexus 7 (flo/deb), Nexus 9 155 (volantis/volantisg), Nexus Player, and Pixel C.</p> 156 157 <a href="{@docRoot}compatibility/downloads.html"> 158 <h4>Android 6.0, 5.1, and 5.0 CTS Downloads</h4></a> 159 <p>Android 6.0 R3, 5.1 R5, and 5.0 R4 Compatibility Test Suite (CTS) 160 and CTS Verifier are available for <strong><a 161 href="{@docRoot}compatibility/downloads.html">Download</a></strong>.</p> 162 --> 163 </div> 164 165 <div class="col-5"> 166 167 <h3>Getting Started</h3> 168 <a href="{@docRoot}source/index.html"><h4>Explore the Source</h4></a> 169 <p>Get the complete Android platform and modify and build it to suit your needs. 170 You can also 171 <strong><a href="https://android-review.googlesource.com/#/q/status:open">contribute 172 to</a></strong> the <strong><a href="https://android.googlesource.com/">Android 173 Open Source Project (AOSP) repository</a></strong> to make your changes 174 available to everyone else in the Android ecosystem.</p> 175 176 <a href="{@docRoot}source/index.html"><img border="0" 177 src="images/android_framework_small.png" alt="Android framework summary" 178 style="display:inline;float:right;margin:5px 10px;width:42%;height:42%"></a> 179 180 <a href="{@docRoot}devices/index.html"><h4>Port Android to Devices</h4></a> 181 <p>Get help porting the latest Android platform to create compelling devices for 182 your customers. Includes documentation for HAL interfaces and details on core 183 technologies such as Android runtime (ART) and over-the-air (OTA) updates.</p> 184 185 <a href="{@docRoot}security/index.html"><h4>Make Secure</h4></a> 186 <p>Follow these examples and instructions to harden your Android devices against 187 malicious attacks. Find out how the Android security program works and learn how 188 to implement the latest features.</p> 189 190 <a href="{@docRoot}compatibility/index.html"><h4>Get Compatible</h4></a> 191 <p>Being Android-compatible lets you offer custom features but still give users 192 and developers a consistent and standard experience across all Android-powered 193 devices. Android provides guidance and a test suite to verify your Android 194 compatibility.</p> 195 196 <a href="https://android.googlesource.com/platform/docs/source.android.com/"> 197 <h4>Help this Site</h4></a> 198 <p>Use the <strong>Site Feedback</strong> button at the bottom of any page to 199 request content improvements or let us know about errors. To contribute your 200 own updates to the site or to view a complete list of site changes, use the AOSP 201 project 202 <strong><a href="https://android.googlesource.com/platform/docs/source.android.com/+log/master">docs/source.android.com.</a></strong></p> 203 </div> 204 205 </div> 206 207 </div> 208
