1page.title=Android Studio Release Notes 2 3@jd:body 4 5 6<div id="qv-wrapper"> 7<div id="qv"> 8 9 <h2>See also</h2> 10 <ol> 11 <li><a href="{@docRoot}sdk/installing/index.html">Installing Android Studio</a></li> 12 </ol> 13 14</div> 15</div> 16 17 18<p>Android Studio is the official IDE for Android development, and with a single download includes 19everything you need to begin developing Android apps:</p> 20 21<ul> 22<li>IntelliJ IDE + Android Studio plugin</li> 23<li>Android SDK Tools</li> 24<li>Android Platform-tools</li> 25<li>A version of the Android platform</li> 26<li>A version of the Android system image for the emulator</li> 27</ul> 28 29<p>For an introduction to Android Studio, read the 30<a href="{@docRoot}tools/studio/index.html">Android Studio</a> guide.</p> 31 32<p>Periodic updates are pushed to Android Studio without requiring you to update your Android 33project. To manually check for updates, select <strong>Help > Check for update</strong> (on Mac, 34select <strong>Android Studio > Check for updates</strong>).</p> 35 36 37<h2 id="Revisions">Revisions</h2> 38 39<p>The sections below provide notes about successive releases of 40Android Studio, as denoted by revision number. </p> 41 42 43<div class="toggle-content opened"> 44 <p><a href="#" onclick="return toggleContent(this)"> 45 <img src="{@docRoot}assets/images/triangle-opened.png" class="toggle-content-img" 46 alt=""/>Android Studio v1.3.2</a> <em>(August 2015)</em> 47 </p> 48 <div class="toggle-content-toggleme"> 49 <p>Fixes and enhancements:</p> 50 <ul> 51 <li>Added support for Android 6.0 (API level 23), including new icons and AVD Manager 52 support for creating devices with new screen densities.</li> 53 <li>Fixed an exception that was occuring during update checks. 54 <a href="http://b.android.com/183068">Issue: 183068</a></li> 55 <li>Fixed problem where unresolved view coordinates could cause the layout editor to crash. 56 <a href="http://b.android.com/178690">Issue: 178690</a></li> 57 <li>Fixed issue with invalid resource type warnings. 58 <a href="http://b.android.com/182433">Issue: 182433</a></li> 59 <li>Fixed lint check that was incorrectly flagging resources as private. 60 <a href="http://b.android.com/183120">Issue: 183120</a></li> 61 </ul> 62 </div> 63</div> 64 65 66<div class="toggle-content closed"> 67 <p><a href="#" onclick="return toggleContent(this)"> 68 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 69 alt=""/>Android Studio v1.3.1</a> <em>(August 2015)</em> 70 </p> 71 <div class="toggle-content-toggleme"> 72 <p>Fixes and enhancements:</p> 73 <ul> 74 <li>Fixed support for creating an Android Wear Android Virtual Device (AVD) on Windows. </li> 75 <li>Updated the <em>Project Wizard</em> to use the entered project name. </li> 76 <li>Added support to allow the Android SDK to be stored in a read-only directory. </li> 77 <li>Updated Android Plugin for Gradle version to 1.3.0. </li> 78 <li>Fixed issues with launching a debug session from the Android Debug Bridge (adb) Unix 79 shell. </li> 80 <li>Fixed the Java package renaming message to show the correct package name. </li> 81 </ul> 82 </div> 83</div> 84 85 86<div class="toggle-content closed"> 87 <p><a href="#" onclick="return toggleContent(this)"> 88 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 89 alt=""/>Android Studio v1.3.0</a> <em>(July 2015)</em> 90 </p> 91 <div class="toggle-content-toggleme"> 92 <p>Fixes and enhancements:</p> 93 <ul> 94 <li>Added options to enable 95 <a href="{@docRoot}tools/studio/studio-features.html#dev-services">developer services</a>, 96 such as <a href="https://developers.google.com/admob/">AdMob</a> and 97 <a href="{@docRoot}distribute/analyze/start.html">Analytics</a>, in your app from within 98 Android Studio. </li> 99 <li>Added additional <a href="{@docRoot}tools/debugging/annotations.html">annotations</a>, 100 such as <code>@RequiresPermission</code>, <code>@CheckResults</code>, and 101 <code>@MainThread</code>. </li> 102 <li>Added the capability to generate Java heap dumps and analyze thread allocations from the 103 <a href="{@docRoot}tools/studio/index.html#mem-cpu">Memory Monitor</a>. You can also 104 convert Android-specific HPROF binary format files to standard HPROF format from within 105 Android Studio. </li> 106 <li>Integrated the <a href="{@docRoot}tools/help/sdk-manager.html">SDK Manager</a> 107 into Android Studio to simplify package and tools access and provide update notifications. 108 <p class="note"><strong>Note:</strong> The standalone SDK Manager is still available from 109 the command line, but is recommended for use with only Eclipse ADT and standalone SDK 110 installations. </p> </li> 111 <li>Added the <code>finger</code> command in the emulator console to simulate 112 <a href="{@docRoot}tools/studio/studio-features.html#finger-print">fingerprint</a> 113 authentication. </li> 114 <li>Added a <code><public></code> resource declaration to designate library 115 resources as 116 <a href="{@docRoot}tools/studio/studio-features.html#private-res">public and private</a> 117 resources. 118 <p class="note"><strong>Note:</strong> Requires 119 <a href="{@docRoot}tools/building/plugin-for-gradle.html">Android Plugin for Gradle</a> 120 version 1.3 or higher. </p> </li> 121 <li>Added <a href="{@docRoot}tools/data-binding/guide.html">data binding</a> support to 122 create declarative layouts that bind your application logic to layout elements. </li> 123 <li>Added support for a separate 124 <a href="{@docRoot}tools/studio/studio-features.html#test-module">test APK module</a> 125 to build test APKs in Android Studio. </li> 126 <li>Updated the <a href="{@docRoot}tools/help/avd-manager.html">AVD Manager</a> with HAXM 127 optimizations and improved notifications. </li> 128 <li>Added 64-bit ARM and MIPS emulator support for 129 <a class="external-link" href="http://wiki.qemu.org/Main_Page">QEMU</a> 2.1. </li> 130 <li>Simplified the resolution of <a href="{@docRoot}tools/help/lint.html">lint</a> warnings 131 by adding quick fixes, such as the automatic generation of 132 <a href="{@docRoot}reference/android/os/Parcelable.html">Parcelable</a> 133 implementation.</li> 134 <li>Added <a href="{@docRoot}sdk/installing/studio-tips.html#live-templates">live template</a> 135 support for quick insertion of code snippets. </li> 136 </ul> 137 </div> 138</div> 139 140 141 142 143<div class="toggle-content closed"> 144 <p><a href="#" onclick="return toggleContent(this)"> 145 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 146 alt=""/>Android Studio v1.2.2</a> <em>(June 2015)</em> 147 </p> 148 <div class="toggle-content-toggleme"> 149 <p>Fixes and enhancements:</p> 150 <ul> 151 <li>Fixed build issues that were blocking builds from completing. </li> 152 </ul> 153 </div> 154</div> 155 156 157<div class="toggle-content closed"> 158 <p><a href="#" onclick="return toggleContent(this)"> 159 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 160 alt=""/>Android Studio v1.2.1</a> <em>(May 2015)</em> 161 </p> 162 <div class="toggle-content-toggleme"> 163 <p>Fixes and enhancements:</p> 164 <ul> 165 <li>Fixed minor performance and feature issues. </li> 166 </ul> 167 </div> 168</div> 169 170 171 172<div class="toggle-content closed"> 173 <p><a href="#" onclick="return toggleContent(this)"> 174 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 175 alt=""/>Android Studio v1.2.0</a> <em>(April 2015)</em> 176 </p> 177 178 <div class="toggle-content-toggleme"> 179 <p>Fixes and enhancements:</p> 180 <ul> 181 <li>Updated the Android runtime window to include the 182 <a href="{@docRoot}tools/studio/index.html#mem-cpu">Memory Monitor</a> tool 183 and added a tab for CPU performance monitoring.</li> 184 <li>Added a <em>Captures</em> tab in the left margin to display the captured memory and CPU 185 performance data files, such as CPU method tracking and memory heap snapshots.</li> 186 <li>Expanded <a href="{@docRoot}tools/debugging/annotations.html">annotation</a> 187 support with additional metadata annotations and inferred nullability. </li> 188 <li>Enhanced the Translations Editor with additional support for Best Current Practice 189 (BCP) 47, which uses 3-letter language and region codes.</li> 190 <li>Integrated IntelliJ 14 and 14.1 features for improved code analysis and performance:</li> 191 <ul> 192 <li>Enhanced debugging to show inline values for variables and referring objects, 193 as well as perform inline evaluation of lambda and operator expressions. </li> 194 <li>Added code style detection for tab and indent sizes. </li> 195 <li>Added scratch files for code experiments and prototyping without project files.</li> 196 <li>Added the simultaneous insertion of opening and closing tags in HTML and XML files.</li> 197 <li>Added a built-in Java class decompiler so you can look at what’s inside a library 198 for which the source code is not available. </li> 199 </ul> 200 <p>See 201 <a class="external-link" href="https://www.jetbrains.com/idea/whatsnew">What's New in IntelliJ</a> 202 for a complete description of the new features and enhancements.</p> 203 </li> 204 <li>Added additional <a href="{@docRoot}tools/studio/index.html#project-view">Project Views</a> 205 for <em>Scratches</em>, <em>Project Files</em>, <em>Problems</em>, <em>Production</em>, 206 and <em>Tests</em> to enhance project management and access. </li> 207 <li>Enhanced the <strong>File > Settings</strong> menu and dialogs for improved settings 208 access and management. </li> 209 <li>Added support for high-density displays for Windows and Linux. </li> 210 <li>Added support for 280 dpi resources in the <code>res/drawable-280dpi/</code> folder. 211 </ul> 212 </ul> 213 </div> 214</div> 215 216 217 218 219<div class="toggle-content closed"> 220 <p><a href="#" onclick="return toggleContent(this)"> 221 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 222 alt=""/>Android Studio v1.1.0</a> <em>(February 2015)</em> 223 </p> 224 225 <div class="toggle-content-toggleme"> 226 <p>Various fixes and enhancements:</p> 227 <ul> 228 <li>Added support for the <a href="{@docRoot}design/wear/index.html">Android Wear</a> watch 229 template. </li> 230 <li>Modified new project and module creation to include 231 <a href="{@docRoot}tools/projects/index.html#mipmap"><code>res/mipmap</code></a> folders for 232 density-specific launcher icons. These <code>res/mipmap</code> folders replace the 233 <a href="{@docRoot}guide/topics/resources/drawable-resource.html"><code>res/drawable</code></a> 234 folders for launcher icons. </li> 235 <li>Updated launcher icons to have a 236 <a href="{@docRoot}design/material/index.html">Material Design</a> look and added an 237 <code>xxxhdpi</code> launcher icon. </li> 238 <li>Added and enhanced <a href="{@docRoot}tools/help/lint.html"><code>lint</code></a> checks 239 for region and language combinations, launcher icons, resource names, and other common 240 code problems.</li> 241 <li>Added support for Best Current Practice (BCP) language tag 47. </li> 242 </ul> 243 </div> 244</div> 245 246 247<div class="toggle-content closed"> 248 <p><a href="#" onclick="return toggleContent(this)"> 249 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 250 alt=""/>Android Studio v1.0.1</a> <em>(December 2014)</em> 251 </p> 252 253 <div class="toggle-content-toggleme"> 254 <p>Various fixes and enhancements:</p> 255 <ul> 256 <li>Fixed AVD Manager and <strong>device.xml</strong> file lock issue. </li> 257 <li>Fixed the emulator log on Windows systems. </li> 258 <li>Fixed issue with creating AVDs with Android Studio and Android SDK installed on different 259 drives on Windows systems.</li> 260 <li>Sets the default update channel for new downloads to <strong>Stable</strong>. If you 261 installed the 1.0.0 version of Android Studio and would like stable, production-ready version 262 updates, use <strong>File > Settings > Updates</strong> to change to the <strong>Stable</strong> 263 update channel. 264 </li> 265 </ul> 266 </div> 267</div> 268 269 270<div class="toggle-content closed"> 271 <p><a href="#" onclick="return toggleContent(this)"> 272 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 273 alt=""/>Android Studio v1.0</a> <em>(December 2014)</em> 274 </p> 275 276 <div class="toggle-content-toggleme"> 277 <p>Initial release of Android Studio.</p> 278 </div> 279</div> 280 281 282<div class="toggle-content closed"> 283 <p><a href="#" onclick="return toggleContent(this)"> 284 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 285 alt=""/>Android Studio v0.8.14</a> <em>(October 2014)</em> 286 </p> 287 288 <div class="toggle-content-toggleme"> 289 <p>See 290 <a href="http://tools.android.com/recent/androidstudio0814inbetachannel">tools.android.com</a> 291 for a full list of changes.</p> 292 </div> 293</div> 294 295<div class="toggle-content closed"> 296 <p><a href="#" onclick="return toggleContent(this)"> 297 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 298 alt=""/>Android Studio v0.8.6</a> <em>(August 2014)</em> 299 </p> 300 301 <div class="toggle-content-toggleme"> 302 <p>See <a href="http://tools.android.com/recent">tools.android.com</a> for a full list of changes.</p> 303 </div> 304</div> 305 306<div class="toggle-content closed"> 307 <p><a href="#" onclick="return toggleContent(this)"> 308 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 309 alt=""/>Android Studio v0.8.0</a> <em>(June 2014)</em> 310 </p> 311 312 <div class="toggle-content-toggleme"> 313 <p>Added support for Android Wear projects.</p> 314 <p>See <a href="http://tools.android.com/recent">tools.android.com</a> for a full list of changes.</p> 315 </div> 316</div> 317 318<div class="toggle-content closed"> 319 <p><a href="#" onclick="return toggleContent(this)"> 320 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 321 alt=""/>Android Studio v0.5.2</a> <em>(May 2014)</em> 322 </p> 323 324 <div class="toggle-content-toggleme"> 325 <ul> 326 <li>See <a href="http://tools.android.com/recent">tools.android.com</a> for a full list of changes.</li> 327 </ul> 328 </div> 329</div> 330 331<div class="toggle-content closed"> 332 <p><a href="#" onclick="return toggleContent(this)"> 333 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 334 alt=""/>Android Studio v0.4.6</a> <em>(March 2014)</em> 335 </p> 336 337 <div class="toggle-content-toggleme"> 338 <ul> 339 <li>See <a href="http://tools.android.com/recent">tools.android.com</a> for a full list of changes.</li> 340 </ul> 341 </div> 342</div> 343 344<div class="toggle-content closed"> 345 <p><a href="#" onclick="return toggleContent(this)"> 346 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 347 alt=""/>Android Studio v0.4.2</a> <em>(Jan 2014)</em> 348 </p> 349 350 <div class="toggle-content-toggleme"> 351 <ul> 352 <li>See <a href="http://tools.android.com/recent">tools.android.com</a> for a full list of changes.</li> 353 </ul> 354 </div> 355</div> 356 357<div class="toggle-content closed"> 358 <p><a href="#" onclick="return toggleContent(this)"> 359 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 360 alt=""/>Android Studio v0.3.2</a> <em>(Oct 2013)</em> 361 </p> 362 363 <div class="toggle-content-toggleme"> 364 <ul> 365 <li>See <a href="http://tools.android.com/recent">tools.android.com</a> for a full list of changes.</li> 366 </ul> 367 </div> 368</div> 369 370<div class="toggle-content closed"> 371 <p><a href="#" onclick="return toggleContent(this)"> 372 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 373 alt=""/>Android Studio v0.2.x</a> <em>(July 2013)</em> 374 </p> 375 376 <div class="toggle-content-toggleme"> 377 <ul> 378 <li>Merged in the latest IntelliJ codebase changes. Includes fixes for issues reported by Studio users such as tweaks to Linux font sizes and font rendering.</li> 379 <li>Android Gradle plug-in updated to 0.5.0. 380 <p class="caution"><strong>Caution:</strong> This new version is not backwards compatible. 381 When opening a project that uses an older version of the plug-in, Studio will show an error 382 stating <strong>Gradle <project_name> project refresh failed.</strong></p> 383 <p>The updated Gradle plug-in includes the following changes:</p> 384 <ul> 385 <li>Fixed IDE model to contain the output file even if it's customized through the DSL. Also 386 fixed the DSL to get/set the output file on the variant object so that it's not necessary to 387 use <code>variant.packageApplication or variant.zipAlign</code></li> 388 <li>Fixed dependency resolution so that we resolved the combination of (default config, 389 build types, flavor(s)) together instead of separately.</li> 390 <li>Fixed dependency for tests of library project to properly include all the dependencies 391 of the library itself.</li> 392 <li>Fixed case where two dependencies have the same leaf name.</li> 393 <li>Fixed issue where Proguard rules file cannot be applied on flavors.</li> 394 </ul> 395 <p>All Gradle plugin release notes are available are here: <a href= 396 "http://tools.android.com/tech-docs/new-build-system" 397 >http://tools.android.com/tech-docs/new-build-system</a>.</p> 398 </li> 399 <li>Gradle errors from aapt no longer point to merged output files in the build/ folder, they 400 point back to the real source locations.</li> 401 <li>Parallel Builds. It's now possible to use Gradle's parallel builds. Please be aware that 402 parallel builds are in "incubation" (see <a 403 href="http://www.gradle.org/docs/current/userguide/gradle_command_line.html">Gradle's 404 documentation</a>.) This feature is off by default. To enable it, go to 405 <strong>Preferences</strong> > <strong>Compiler</strong> and check the box <em>Compile 406 independent modules in parallel</em>.</li> 407 <li>Further work on the new resource repository used for layout rendering, resource 408 folding in the editor, and more: 409 <ul> 410 <li>Basic support for .aar library dependencies (e.g. using a library without a local copy of 411 the sources). Still not working for resource XML validation and navigation in source editors. 412 </li> 413 <li>Cycle detection in resource references.</li> 414 <li>Quick Documentation (F1), which can show all translations of the string under the caret, 415 will now also show all resource overlays from the various Gradle flavors and build types, as 416 well as libraries. They are listed in reverse resource overlay order, with strikethrough on 417 the versions of the string that are masked.</li> 418 <li>Fixes to handle updating the merged resources when the set of module dependencies 419 change.</li> 420 <li>XML rendering fixes to properly handle character entity declarations and XML and unicode 421 escapes.</li> 422 </ul> 423 <li>Save screenshot support for the layout preview and layout editor windows.</li> 424 <li>Template bug fixes.</li> 425 <li>Lint bug fixes.</li> 426 <li>Various fixes for crash reports. Thank you, and keep filing crash reports!</li> 427 </ul> 428 </div> 429</div> 430 431<div class="toggle-content closed"> 432 <p><a href="#" onclick="return toggleContent(this)"> 433 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-content-img" 434 alt=""/>Android Studio v0.1.x</a> <em>(May 2013)</em> 435 </p> 436 437 <div class="toggle-content-toggleme"> 438 <ul> 439 <li>Various bug fixes, including a fix for a common Windows installation issue. 440 </ul> 441 </div> 442</div> 443 444<p> </p> 445 446 447<h2 id="Troubleshooting">Troubleshooting</h2> 448 449<p>If you encounter problems in Android Studio, look at the following page 450for possible resolutions to known issues: <a href="http://tools.android.com/knownissues" 451>http://tools.android.com/knownissues</a>.</p> 452 453 454 455</div><!-- end main content --> 456 457 458 459 460</div><!-- end relative position wrapper --> 461 462 463 464