Android(Lollipop/5.0) Material Design(二) 入门指南
2015-06-26 18:38
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官网地址:https://developer.android.com/intl/zh-tw/training/material/get-started.html
基线网格
Keylines
间距
触摸目标尺寸
布局结构
View可以投下的阴影,一个View的elevation值决定了它的阴影的大小和绘制的顺序。可以设置一个视图的elevation,在布局中使用属性:android:elevation
Apply the Material Theme 运用材料主题
<span class="com"><!-- res/values/styles.xml --></span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="tag" style="color: rgb(0, 0, 136);"><resources></span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="com"><!-- your theme inherits from the material theme --></span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="tag" style="color: rgb(0, 0, 136);"><style</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="atn" style="color: rgb(136, 34, 136);">name</span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="atv" style="color: rgb(136, 0, 0);">"AppTheme"</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="atn" style="color: rgb(136, 34, 136);">parent</span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="atv" style="color: rgb(136, 0, 0);">"android:Theme.Material"</span><span class="tag" style="color: rgb(0, 0, 136);">></span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="com"><!--</span><span class="pln" style="color: rgb(0, 0, 0);"> theme customizations </span><span class="com">--></span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="tag" style="color: rgb(0, 0, 136);"></style></span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="tag" style="color: rgb(0, 0, 136);"></resources></span>
Design Your Layouts 设计你的布局
除了应用和自定义材料的主题,你的布局应符合材料的设计准则。当你设计你的布局,以下需要特别注意:基线网格
Keylines
间距
触摸目标尺寸
布局结构
Specify Elevation in Your Views 在View中指定elevation属性
View可以投下的阴影,一个View的elevation值决定了它的阴影的大小和绘制的顺序。可以设置一个视图的elevation,在布局中使用属性:android:elevation<span class="tag" style="color: rgb(0, 0, 136);"><TextView</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="atn" style="color: rgb(136, 34, 136);">android:id</span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="atv" style="color: rgb(136, 0, 0);">"@+id/my_textview"</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="atn" style="color: rgb(136, 34, 136);">android:layout_width</span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="atv" style="color: rgb(136, 0, 0);">"wrap_content"</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="atn" style="color: rgb(136, 34, 136);">android:layout_height</span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="atv" style="color: rgb(136, 0, 0);">"wrap_content"</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="atn" style="color: rgb(136, 34, 136);">android:text</span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="atv" style="color: rgb(136, 0, 0);">"@string/next"</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="atn" style="color: rgb(136, 34, 136);">android:background</span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="atv" style="color: rgb(136, 0, 0);">"@color/white"</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="atn" style="color: rgb(136, 34, 136);">android:elevation</span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="atv" style="color: rgb(136, 0, 0);">"5dp"</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="tag" style="color: rgb(0, 0, 136);">/></span>新的translationz属性使您能够创建一个反映了暂时的elevation变化的动画。elevation的变化可在响应触摸手势时可能是有用的。
Customize Your Animations 自定义动画
可以自定义动画,如激活Activity的过渡动画和结束过渡动画<span class="kwd" style="color: rgb(0, 0, 136);">public</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="kwd" style="color: rgb(0, 0, 136);">class</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="typ" style="color: rgb(102, 0, 102);">MyActivity</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="kwd" style="color: rgb(0, 0, 136);">extends</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="typ" style="color: rgb(102, 0, 102);">Activity</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">{</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="lit" style="color: rgb(0, 102, 102);">@Override</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="kwd" style="color: rgb(0, 0, 136);">protected</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="kwd" style="color: rgb(0, 0, 136);">void</span><span class="pln" style="color: rgb(0, 0, 0);"> onCreate</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="typ" style="color: rgb(102, 0, 102);">Bundle</span><span class="pln" style="color: rgb(0, 0, 0);"> savedInstanceState</span><span class="pun" style="color: rgb(102, 102, 0);">)</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">{</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="kwd" style="color: rgb(0, 0, 136);">super</span><span class="pun" style="color: rgb(102, 102, 0);">.</span><span class="pln" style="color: rgb(0, 0, 0);">onCreate</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="pln" style="color: rgb(0, 0, 0);">savedInstanceState</span><span class="pun" style="color: rgb(102, 102, 0);">);</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="com">// enable transitions</span><span class="pln" style="color: rgb(0, 0, 0);"> getWindow</span><span class="pun" style="color: rgb(102, 102, 0);">().</span><span class="pln" style="color: rgb(0, 0, 0);">requestFeature</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="typ" style="color: rgb(102, 0, 102);">Window</span><span class="pun" style="color: rgb(102, 102, 0);">.</span><span class="pln" style="color: rgb(0, 0, 0);">FEATURE_CONTENT_TRANSITIONS</span><span class="pun" style="color: rgb(102, 102, 0);">);</span><span class="pln" style="color: rgb(0, 0, 0);"> setContentView</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="pln" style="color: rgb(0, 0, 0);">R</span><span class="pun" style="color: rgb(102, 102, 0);">.</span><span class="pln" style="color: rgb(0, 0, 0);">layout</span><span class="pun" style="color: rgb(102, 102, 0);">.</span><span class="pln" style="color: rgb(0, 0, 0);">activity_my</span><span class="pun" style="color: rgb(102, 102, 0);">);</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">}</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="kwd" style="color: rgb(0, 0, 136);">public</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="kwd" style="color: rgb(0, 0, 136);">void</span><span class="pln" style="color: rgb(0, 0, 0);"> onSomeButtonClicked</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="typ" style="color: rgb(102, 0, 102);">View</span><span class="pln" style="color: rgb(0, 0, 0);"> view</span><span class="pun" style="color: rgb(102, 102, 0);">)</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">{</span><span class="pln" style="color: rgb(0, 0, 0);"> getWindow</span><span class="pun" style="color: rgb(102, 102, 0);">().</span><span class="pln" style="color: rgb(0, 0, 0);">setExitTransition</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="kwd" style="color: rgb(0, 0, 136);">new</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="typ" style="color: rgb(102, 0, 102);">Explode</span><span class="pun" style="color: rgb(102, 102, 0);">());</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="typ" style="color: rgb(102, 0, 102);">Intent</span><span class="pln" style="color: rgb(0, 0, 0);"> intent </span><span class="pun" style="color: rgb(102, 102, 0);">=</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="kwd" style="color: rgb(0, 0, 136);">new</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="typ" style="color: rgb(102, 0, 102);">Intent</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="kwd" style="color: rgb(0, 0, 136);">this</span><span class="pun" style="color: rgb(102, 102, 0);">,</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="typ" style="color: rgb(102, 0, 102);">MyOtherActivity</span><span class="pun" style="color: rgb(102, 102, 0);">.</span><span class="kwd" style="color: rgb(0, 0, 136);">class</span><span class="pun" style="color: rgb(102, 102, 0);">);</span><span class="pln" style="color: rgb(0, 0, 0);"> startActivity</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="pln" style="color: rgb(0, 0, 0);">intent</span><span class="pun" style="color: rgb(102, 102, 0);">,</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="typ" style="color: rgb(102, 0, 102);">ActivityOptions</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">.</span><span class="pln" style="color: rgb(0, 0, 0);">makeSceneTransitionAnimation</span><span class="pun" style="color: rgb(102, 102, 0);">(</span><span class="kwd" style="color: rgb(0, 0, 136);">this</span><span class="pun" style="color: rgb(102, 102, 0);">).</span><span class="pln" style="color: rgb(0, 0, 0);">toBundle</span><span class="pun" style="color: rgb(102, 102, 0);">());</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">}</span><span class="pln" style="color: rgb(0, 0, 0);"> </span><span class="pun" style="color: rgb(102, 102, 0);">}</span>当你在这个Activity中启动其他的Activity时,exit transition将被激活
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