实习杂记（20）---Android里面shape定义图形相关属性
16lz
2021-01-23
<shape>是根节点，一般设置两个属性
xmlns:android"http://schemas.android.com/apk/res/android".android:shape| Value | Desciption |
|---|---|
"rectangle" | A rectangle （长方形）that fills the containing View. This is the default shape.（这个是默认的形状） |
"oval" | An oval （椭圆形）shape that fits the dimensions of the containing View. |
"line" | A horizontalline that spans the width of the containing View. This shape requires the<stroke>element to define the width of the line. |
"ring" | A ring shape. |
<corners>attributes:
android:radius- Dimension. The radius for all corners, as a dimension value or dimension resource. This is overridden for each corner by the following attributes.
- 一般用这个属性 就可以了，下面的四个属性就是详细的去定义了
android:topLeftRadius- Dimension. The radius for the top-left corner, as a dimension value or dimension resource.
android:topRightRadius- Dimension. The radius for the top-right corner, as a dimension value or dimension resource.
android:bottomLeftRadius- Dimension. The radius for the bottom-left corner, as a dimension value or dimension resource.
android:bottomRightRadius- Dimension. The radius for the bottom-right corner, as a dimension value or dimension resource.
<gradient>attributes:
android:angle- Integer. The angle for the gradient, in degrees. 0 is left to right, 90 is bottom to top. It must be a multiple of 45. Default is 0.
- 这个其实是决定渲染方向，是从左到右，从右到左，从上到下，从下到上，
android:centerX- Float. The relative X-position for the center of the gradient (0 - 1.0).
android:centerY- Float. The relative Y-position for the center of the gradient (0 - 1.0).
android:centerColor- Color. Optional color that comes between the start and end colors, as a hexadecimal value or color resource.
android:endColor- Color. The ending color, as a hexadecimal value or color resource.
android:gradientRadius- Float. The radius for the gradient. Only applied when
android:type="radial". android:startColor- Color. The starting color, as a hexadecimal value or color resource.
android:type- Keyword. The type of gradient pattern to apply. Valid values are:
Value Description "linear"A linear gradient. This is the default. "radial"A radial gradient. The start color is the center color. "sweep"A sweeping line gradient. android:useLevel- Boolean. "true" if this is used as a
LevelListDrawable.
<padding>attributes:
android:left- Dimension. Left padding, as a dimension value or dimension resource.
android:top- Dimension. Top padding, as a dimension value or dimension resource.
android:right- Dimension. Right padding, as a dimension value or dimension resource.
android:bottom- Dimension. Bottom padding, as a dimension value or dimension resource.
<size>attributes:
android:height- Dimension. The height of the shape, as a dimension value or dimension resource.
android:width- Dimension. The width of the shape, as a dimension value or dimension resource.
Note:The shape scales to the size of theContainerView proportionate to the dimensions defined here, by default. When you use the shape in anImageView, you can restrict scaling by setting theandroid:scaleTypeto"center".
<solid>attributes:
android:color- Color. The color to apply to the shape, as a hexadecimal value or color resource.
<stroke>attributes:
android:width- Dimension. The thickness of the line, as a dimension value or dimension resource.
android:color- Color. The color of the line, as a hexadecimal value or color resource.
android:dashGap- Dimension. The distance between line dashes, as a dimension value or dimension resource. Only valid if
android:dashWidthis set. android:dashWidth- Dimension. The size of each dash line, as a dimension value or dimension resource. Only valid if
android:dashGapis set.
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