1 page.title=Android 1.5 Platform 2 sdk.platform.version=1.5 3 sdk.platform.apiLevel=3 4 sdk.platform.majorMinor=major 5 6 @jd:body 7 8 <div id="qv-wrapper"> 9 <div id="qv"> 10 11 <h2>In this document</h2> 12 <ol> 13 <li><a href="#features">Platform Highlights</a></li> 14 <li><a href="#relnotes">Revisions</a></li> 15 <li><a href="#api-level">API Level</a></li> 16 <li><a href="#api">Framework API Changes</a> 17 <li><a href="#apps">Built-in Applications</a></li> 18 <li><a href="#locs">Locales</a></li> 19 <li><a href="#skins">Emulator Skins</a></li> 20 21 </ol> 22 </li> 23 </ol> 24 25 <h2>Reference</h2> 26 <ol> 27 <li><a 28 href="{@docRoot}sdk/api_diff/{@sdkPlatformApiLevel}/changes.html">API 29 Differences Report »</a> </li> 30 </ol> 31 32 <h2>See Also</h2> 33 <ol> 34 <li><a href="{@docRoot}sdk/exploring.html">Exploring the SDK</a></li> 35 </ol> 36 37 </div> 38 </div> 39 40 <p> 41 <em>API Level:</em> <strong>{@sdkPlatformApiLevel}</strong></p> 42 43 <p>Android {@sdkPlatformVersion} is a {@sdkPlatformMajorMinor} platform release 44 deployable to Android-powered handsets starting in May 2009. 45 The release includes new features for users and developers, as well as changes 46 in the Android framework API. </p> 47 48 <p>For developers, the Android {@sdkPlatformVersion} platform is available as a 49 downloadable component for the Android SDK. The downloadable platform includes a 50 fully compliant Android library and system image, as well as a set of emulator 51 skins, sample applications, and more. The downloadable platform is fully 52 compliant and includes no external libraries. </p> 53 54 <p>To get started developing or testing against the Android 55 {@sdkPlatformVersion} platform, use the Android SDK and AVD Manager tool to 56 download the platform into your Android 1.6 or later SDK. For more information, 57 see <a href="{@docRoot}sdk/exploring.html">Exploring the 58 SDK</a>.</p> 59 60 61 <h2 id="features">Platform Highlights</h2> 62 63 <p>For a list of new user features and platform highlights, see the <a 64 href="http://developer.android.com/about/versions/android-{@sdkPlatformVersion}-highlights.html">Android 65 {@sdkPlatformVersion} Platform Highlights</a> document.</p> 66 67 <h2 id="relnotes">Revisions</h2> 68 69 <p>The sections below provide notes about successive releases of 70 the Android {@sdkPlatformVersion} platform component for the Android SDK, as denoted by 71 revision number. To determine what revision(s) of the Android 72 {@sdkPlatformVersion} platforms are installed in your SDK environment, refer to 73 the "Installed Packages" listing in the Android SDK and AVD Manager.</p> 74 75 <script type="text/javascript"> 76 function toggleDiv(link) { 77 var toggleable = $(link).parent(); 78 if (toggleable.hasClass("closed")) { 79 //$(".toggleme", toggleable).slideDown("fast"); 80 toggleable.removeClass("closed"); 81 toggleable.addClass("open"); 82 $(".toggle-img", toggleable).attr("title", "hide").attr("src", (toRoot + "assets/images/triangle-opened.png")); 83 } else { 84 //$(".toggleme", toggleable).slideUp("fast"); 85 toggleable.removeClass("open"); 86 toggleable.addClass("closed"); 87 $(".toggle-img", toggleable).attr("title", "show").attr("src", (toRoot + "assets/images/triangle-closed.png")); 88 } 89 return false; 90 } 91 </script> 92 <style> 93 .toggleable { 94 padding: .25em 1em 0em 1em; 95 margin-bottom: 0; 96 } 97 .toggleme { 98 padding: 1em 1em 0 2em; 99 line-height:1em; 100 } 101 .toggleable a { 102 text-decoration:none; 103 } 104 .toggleme a { 105 text-decoration:underline; 106 } 107 .toggleable.closed .toggleme { 108 display:none; 109 } 110 #jd-content .toggle-img { 111 margin:0; 112 } 113 </style> 114 115 <div class="toggleable opened"> 116 <a href="#" onclick="return toggleDiv(this)"> 117 <img src="{@docRoot}assets/images/triangle-opened.png" class="toggle-img" height="9px" width="9px" /> 118 Android 1.5, Revision 4</a> <em>(May 2010)</em></a> 119 <div class="toggleme"> 120 <dl> 121 <dt>Dependencies:</dt> 122 <dd> 123 <p>Requires SDK Tools r6 or higher.</p> 124 </dd> 125 126 <dt>Tools:</dt> 127 <dd> 128 <ul> 129 <li>Adds support for library projects in the Ant build system.</li> 130 <li>Fixes test project build in the Ant build system.</li> 131 </ul> 132 </dd> 133 134 </dl> 135 </div> 136 </div> 137 138 <div class="toggleable closed"> 139 <a href="#" onclick="return toggleDiv(this)"> 140 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-img" height="9px" width="9px" /> 141 Android 1.5, Revision 3</a> <em>(July 2009)</em></a> 142 <div class="toggleme"> 143 <dl> 144 <dt>Dependencies:</dt> 145 <dd> 146 <p>Requires SDK Tools r3 or higher.</p> 147 </dd> 148 </dl> 149 </div> 150 </div> 151 152 <div class="toggleable closed"> 153 <a href="#" onclick="return toggleDiv(this)"> 154 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-img" height="9px" width="9px" /> 155 Android 1.5, Revision 2</a> <em>(May 2009)</em></a> 156 <div class="toggleme"> 157 <p>Not available as an SDK component — please use Android 1.5, r3 instead. </p> 158 </div> 159 </div> 160 161 <div class="toggleable closed"> 162 <a href="#" onclick="return toggleDiv(this)"> 163 <img src="{@docRoot}assets/images/triangle-closed.png" class="toggle-img" height="9px" width="9px" /> 164 Android 1.5, Revision 1</a> <em>(April 2009)</em></a> 165 <div class="toggleme"> 166 <p>Not available as an SDK component — please use Android 1.5, r3 instead. </p> 167 </div> 168 </div> 169 170 171 <h2 id="api-level">API Level</h2> 172 173 <p>The Android {@sdkPlatformVersion} platform delivers an updated version of 174 the framework API. The Android {@sdkPlatformVersion} API 175 is assigned an integer identifier — 176 <strong>{@sdkPlatformApiLevel}</strong> — that is 177 stored in the system itself. This identifier, called the "API Level", allows the 178 system to correctly determine whether an application is compatible with 179 the system, prior to installing the application. </p> 180 181 <p>To use APIs introduced in Android {@sdkPlatformVersion} in your 182 application, you need to set the proper value, "{@sdkPlatformApiLevel}", in the 183 <code>android:minSdkVersion</code> attributes of the <code><uses-sdk></code> 184 element in your application's manifest. </p> 185 186 <p>For more information about how to use API Level, see the <a 187 href="{@docRoot}guide/topics/manifest/uses-sdk-element.html#ApiLevels">API Levels</a> document. </p> 188 189 190 <h2 id="api">Framework API Changes</h2> 191 192 <p>The sections below provide information about the application framework API provided by the Android {@sdkPlatformVersion} platform. </p> 193 194 <h3>UI framework</h3> 195 <ul> 196 <li>Framework for easier background/UI thread interaction</li> 197 <li>New {@link android.widget.SlidingDrawer SlidingDrawer} widget</li> 198 <li>New {@link android.widget.HorizontalScrollView HorizontalScrollview} widget</li> 199 </ul> 200 201 <h3>AppWidget framework</h3> 202 <ul> 203 <li>APIs for creating secure home screen {@link android.appwidget 204 AppWidgets}. For information about how to use AppWidgets, see the Developer's 205 Guide <a href="{@docRoot}guide/topics/appwidgets/index.html">AppWidgets</a> 206 documentation. Also see <a 207 href="http://android-developers.blogspot.com/2009/04/introducing-home-screen-widgets-and.html"> 208 Introducing home screen widgets and the AppWidget 209 framework</a> on the Android Developer's Blog.</li> 210 <li>APIs for populating {@link android.provider.LiveFolders Live Folders} 211 with custom content.</li> 212 </ul> 213 214 <h3>Media framework</h3> 215 <ul> 216 <li>Raw audio recording and playback APIs</li> 217 <li>Interactive MIDI playback engine</li> 218 <li>Video recording APIs for developers (3GP format)</li> 219 <li>Video and photo sharing Intents</li> 220 <li>Media search Intent</li> 221 </ul> 222 223 <h3>Input Method framework </h3> 224 <ul> 225 <li>{@link android.inputmethodservice.InputMethodService Input Method 226 Service} framework</li> 227 <li>Text-prediction engine</li> 228 <li>Ability to provide downloadable IMEs to users</li> 229 </ul> 230 231 <h3>Application-defined hardware requirements</h3> 232 233 <p>Applications can now use a new element in their manifest files, <a 234 href="{@docRoot}guide/topics/manifest/uses-configuration-element.html"><code><uses-configuration></code></a> 235 to indicate to the Android system what hardware features 236 they require in order to function properly. For example, an application might 237 use the element to specify that it requires a physical keyboard or a particular 238 navigation device, such as a trackball. Prior to installing the application, the 239 Android system checks the attributes defined for the 240 <code><uses-configuration></code> element and allows the installation to 241 continue only if the required hardware is present.</p> 242 243 <h3>Speech recognition framework</h3> 244 <ul> 245 <li>Support for using speech recognition libraries via Intent. See {@link 246 android.speech.RecognizerIntent RecognizerIntent}.</li> 247 </ul> 248 249 <h3>Miscellaneous API additions</h3> 250 <ul> 251 <li>LocationManager - Applications can get location change updates via 252 Intent</li> 253 <li>WebView - Touch start/end/move/cancel DOM event support</li> 254 <li>Redesigned {@link android.hardware.SensorManager Sensor Manager 255 APIs}</li> 256 <li>GLSurfaceView - convenience framework for creating OpenGL 257 applications</li> 258 <li>Broadcast Intent for app update install succeeded - for smoother app 259 upgrade experience</li> 260 </ul> 261 262 263 <h3 id="api-diff">API differences report</h3> 264 265 <p>For a detailed view of API changes in Android {@sdkPlatformVersion} (API Level {@sdkPlatformApiLevel}), as compared to 266 the previous version, see the <a href="{@docRoot}sdk/api_diff/{@sdkPlatformApiLevel}/changes.html">API 267 Differences Report</a>.</p> 268 269 270 <h2 id="apps">Built-in Applications</h2> 271 272 <p>The system image included in the downloadable platform provides these 273 built-in applications:</p> 274 275 <table style="border:0;padding-bottom:0;margin-bottom:0;"> 276 <tr> 277 <td style="border:0;padding-bottom:0;margin-bottom:0;"> 278 <ul> 279 <li>Alarm Clock</li> 280 <li>Browser</li> 281 <li>Calculator</li> 282 <li>Camcorder</li> 283 <li>Camera</li> 284 <li>Contacts</li> 285 <li>Custom Locale (developer app)</li> 286 <li>Dev Tools (developer app)</li> 287 </ul> 288 </td> 289 <td style="border:0;padding-bottom:0;margin-bottom:0;padding-left:5em;"> 290 <ul> 291 <li>Dialer</li> 292 <li>Email</li> 293 <li>Gallery</li> 294 <li>IME for Japanese text input</li> 295 <li>Messaging</li> 296 <li>Music</li> 297 <li>Settings</li> 298 <li>Spare Parts (developer app)</li> 299 </ul> 300 </td> 301 </tr> 302 </table> 303 304 <h2 id="locs" style="margin-top:.75em;">Locales</h2> 305 306 <p>The system image included in the downloadable platform provides a variety of 307 built-in locales. In some cases, region-specific strings are available for the 308 locales. In other cases, a default version of the language is used. The 309 languages that are available in the Android {@sdkPlatformVersion} system 310 image are listed below (with <em>language</em>_<em>country/region</em> 311 locale descriptor).</p> 312 313 <table style="border:0;padding-bottom:0;margin-bottom:0;"> 314 <tr> 315 <td style="border:0;padding-bottom:0;margin-bottom:0;"> 316 <ul> 317 <li>Chinese, PRC (zh_CN)</li> 318 <li>Chinese, Taiwan (zh_TW)</li> 319 <li>Czech (cs_CZ)</li> 320 <li>Dutch, Netherlands (nl_NL)</li> 321 <li>Dutch, Belgium (nl_BE)</li> 322 <li>English, US (en_US)</li> 323 <li>English, Britain (en_GB)</li> 324 <li>English, Canada (en_CA)</li> 325 <li>English, Australia (en_AU)</li> 326 <li>English, New Zealand (en_NZ)</li> 327 <li>English, Singapore(en_SG)</li> 328 <li>French, France (fr_FR)</li> 329 <li>French, Belgium (fr_BE)</li> 330 </ul> 331 </td> 332 <td style="border:0;padding-bottom:0;margin-bottom:0;padding-left:5em;"> 333 <li>French, Canada (fr_CA)</li> 334 <li>French, Switzerland (fr_CH)</li> 335 <li>German, Germany (de_DE)</li> 336 <li>German, Austria (de_AT)</li> 337 <li>German, Switzerland (de_CH)</li> 338 <li>German, Liechtenstein (de_LI)</li> 339 <li>Italian, Italy (it_IT)</li> 340 <li>Italian, Switzerland (it_CH)</li> 341 <li>Japanese (ja_JP)</li> 342 <li>Korean (ko_KR)</li> 343 <li>Polish (pl_PL)</li> 344 <li>Russian (ru_RU)</li> 345 <li>Spanish (es_ES)</li> 346 </td> 347 </tr> 348 </table> 349 350 <p>Localized UI strings match the locales that are accessible 351 through Settings.</p> 352 353 <h2 id="skins">Emulator Skins</h2> 354 355 <p>The downloadable platform includes a set of emulator skins that you can use for modeling your application in different screen sizes and resolutions. The emulator skins are: </p> 356 357 <ul> 358 <li> 359 QVGA-P (240x320, low density, small screen) 360 </li> 361 <li> 362 QVGA-L (320x480, low density, small screen) 363 </li> 364 <li> 365 HVGA (320x480, medium density, normal screen) 366 </li> 367 <li> 368 HVGA-P (320x480, medium density, normal screen) 369 </li> 370 <li> 371 HVGA-L (320x480, medium density, normal screen) 372 </li> 373 </ul> 374 375 <p>For more information about how to develop an application that displays and functions properly on all Android-powered devices, see <a href="{@docRoot}guide/practices/screens_support.html">Supporting Multiple Screens</a>.</p> 376
