组件
属性
// 宽 & 高
layout_widthPercent
layout_heightPercent
// 边距
layout_marginPercent
layout_marginLeftPercent
layout_marginTopPercent
layout_marginRightPercent
layout_marginBottomPercent
layout_marginStartPercent
layout_marginEndPercent
// 宽高比例
layout_aspectRatio```
## 配置
dependencies {
compile 'com.android.support:appcompat-v7:23.2.1'
compile 'com.android.support:percent:23.2.1'
}
## 示例
<android.support.percent.PercentRelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_widthPercent="50%"
app:layout_heightPercent="50%"
app:layout_marginTopPercent="25%"
app:layout_marginLeftPercent="25%"/>
<ImageView
android:layout_width="120dp"
android:layout_height="0dp"
app:layout_aspectRatio="178%"/>
</android.support.percent.PercentRelativeLayout>
