組件

• PercentRelativeLayout
• PercentFrameLayout

屬性

// 寬 & 高
layout_widthPercent
layout_heightPercent
// 邊距
layout_marginPercent
layout_marginLeftPercent
layout_marginTopPercent
layout_marginRightPercent
layout_marginBottomPercent
layout_marginStartPercent
layout_marginEndPercent
// 寬高比例
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>