1page.title=Using the Material Theme 2 3@jd:body 4 5<div id="tb-wrapper"> 6<div id="tb"> 7<h2>This lesson teaches you to</h2> 8<ol> 9 <li><a href="#ColorPalette">Customize the Color Palette</a></li> 10 <li><a href="#StatusBar">Customize the Status Bar</a></li> 11 <li><a href="#Inheritance">Theme Individual Views</a></li> 12</ol> 13<h2>You should also read</h2> 14<ul> 15 <li><a href="http://www.google.com/design/spec">Material design specification</a></li> 16 <li><a href="{@docRoot}design/material/index.html">Material design on Android</a></li> 17</ul> 18</div> 19</div> 20 21 22<p>The new material theme provides:</p> 23 24<ul> 25 <li>System widgets that let you set their color palette</li> 26 <li>Touch feedback animations for the system widgets</li> 27 <li>Activity transition animations</li> 28</ul> 29 30<p>You can customize the look of the material theme 31according to your brand identity with a color palette you control. You can tint the action bar and 32the status bar using theme attributes, as shown in <a href="#fig3">Figure 3</a>.</p> 33 34<p>The system widgets have a new design and touch feedback animations. You can customize the 35color palette, the touch feedback animations, and the activity transitions for your app.</p> 36 37<p>The material theme is defined as:</p> 38 39<ul> 40 <li><code>@android:style/Theme.Material</code> (dark version)</li> 41 <li><code>@android:style/Theme.Material.Light</code> (light version)</li> 42 <li><code>@android:style/Theme.Material.Light.DarkActionBar</code></li> 43</ul> 44 45<p>For a list of material styles that you can use, see the API reference for 46{@link android.R.style R.style}.</p> 47 48<!-- two columns, dark/light material theme example --> 49<div style="width:700px;margin-top:25px;margin-bottom:10px"> 50<div style="float:left;width:250px;margin-left:40px;margin-right:60px;"> 51 <img src="{@docRoot}design/material/images/MaterialDark.png" width="500" height="238"> 52 <div style="width:170px;margin:0 auto"> 53 <p style="margin-top:8px;font-size:12px"><strong>Figure 1</strong>. Dark material theme</p> 54 </div> 55</div> 56<div style="float:left;width:250px;margin-right:0px;"> 57 <img src="{@docRoot}design/material/images/MaterialLight.png" width="500" height="238"> 58 <div style="width:170px;margin:0 auto"> 59 <p style="margin-top:8px;font-size:12px"><strong>Figure 2</strong>. Light material theme</p> 60 </div> 61</div> 62<br style="clear:left"> 63</div> 64 65<p class="note"> 66<strong>Note:</strong> The material theme is only available in Android 5.0 (API level 21) and 67above. The <a href="{@docRoot}tools/support-library/features.html#v7">v7 Support Libraries</a> 68provide themes with material design styles for some widgets and support for customizing the color 69palette. For more information, see 70<a href="{@docRoot}training/material/compatibility.html">Maintaining Compatibility</a>. 71</p> 72 73 74<h2 id="ColorPalette">Customize the Color Palette</h2> 75 76<p style="margin-bottom:30px">To customize the theme's base colors to fit your brand, define 77your custom colors using theme attributes when you inherit from the material theme:</p> 78 79<pre> 80<resources> 81 <!-- inherit from the material theme --> 82 <style name="AppTheme" parent="android:Theme.Material"> 83 <!-- Main theme colors --> 84 <!-- your app branding color for the app bar --> 85 <item name="android:colorPrimary">@color/primary</item> 86 <!-- darker variant for the status bar and contextual app bars --> 87 <item name="android:colorPrimaryDark">@color/primary_dark</item> 88 <!-- theme UI controls like checkboxes and text fields --> 89 <item name="android:colorAccent">@color/accent</item> 90 </style> 91</resources> 92</pre> 93 94<div style="float:right;margin-left:25px;margin-top:20px;margin-bottom:10px" id="fig3"> 95<img src="{@docRoot}training/material/images/ThemeColors.png" width="250" height="445"/> 96<p class="img-caption" style="margin-bottom:0px"> 97<strong>Figure 3.</strong> Customizing the material theme.</p> 98</div> 99 100 101<h2 id="StatusBar">Customize the Status Bar</h2> 102 103<p>The material theme lets you easily customize the status bar, so you can specify a 104color that fits your brand and provides enough contrast to show the white status icons. To 105set a custom color for the status bar, use the <code>android:statusBarColor</code> attribute when 106you extend the material theme. By default, <code>android:statusBarColor</code> inherits the 107value of <code>android:colorPrimaryDark</code>.</p> 108 109<p>You can also draw behind the status bar yourself. For example, if you want to show 110the status bar transparently over a photo, with a subtle dark gradient to ensure the white 111status icons are visible. To do so, set the <code>android:statusBarColor</code> attribute to 112<code>@android:color/transparent</code> and adjust the window flags as required. You can 113also use the {@link android.view.Window#setStatusBarColor Window.setStatusBarColor()} method for 114animations or fading.</p> 115 116<p class="note"> 117<strong>Note:</strong> The status bar should almost always have a clear delineation from the 118primary toolbar, except for cases where you show edge-to-edge rich imagery or media content behind 119these bars and when you use a gradient to ensure that the icons are still visible. 120</p> 121 122<p>When you customize the navigation and status bars, either make them both transparent or modify 123only the status bar. The navigation bar should remain black in all other cases.</p> 124 125 126<h2 id="Inheritance">Theme Individual Views</h3> 127 128<p>Elements in XML layout definitions can specify the <code>android:theme</code> attribute, 129which references a theme resource. This attribute modifies the theme for the element and any 130child elements, which is useful for altering theme color palettes in a specific portion 131of an interface.</p> 132
