Shape under the drawable

2. Shape: Shapes
2. Fillet:Corners: Set five properties at the same time, otherwise the RADIUS attribute is invalid
4. Gradient:gradient When the fill color is set, no gradient, angle value must be a multiple of 45, including 0, only in type= "linear" valid, otherwise it will be error;
6. Interval:padding: Set the interval in four directions
8. Sizes: size
10. Fill:Solid: Sets the color of the fill
11. Strokes:Stroke
    2. <?xml version="1.0" encoding="utf-8"?>
    4. <shape xmlns:android="http://schemas.android.com/apk/res/android">
    8. <!--圆角-->
    10. <corners
    12. android:radius="9dp" <!-- set Four corner radii -
    14. android:topLeftRadius="2dp" <!-- set the upper-left corner radius -
    16. android:topRightRadius="2dp" <!-- set the upper right corner radius -
    18. android:bottomLeftRadius="2dp" <!-- set the lower left corner radius -
    20. android:bottomRightRadius="2dp"/><!--设置右下角半径-->
    24. <!--渐变-->
    26. <gradient
    28. android:startColor="@android:color/white"
    30. android:centerColor="@android:color/black"
    32. android:endColor="@android:color/black"
    34. android:useLevel="true"
    36. android:angle="45"
    38. android:type="radial"
    40. android:centerX="0"
    42. android:centerY="0"
    44. android:gradientRadius="90"/>
    48. <!--间隔-->
    50. <padding
    52. android:left="2dp"
    54. android:top="2dp"
    56. android:right="2dp"
    58. android:bottom="2dp"/><!--各方向的间隔-->
    62. <!--大小-->
    64. <size
    66. android:width="50dp"
    68. android:height="50dp"/><!--宽度和高度-->
    72. <!--填充-->
    74. <solid
    76. android:color="@android:color/white"/><!--填充的颜色-->
    80. <!--描边-->
    82. <stroke
    84. android:width="2dp" <!-- Set Stroke width -
    86. android:color="@android:color/black" <!-- Set Stroke color -
    88. android:dashWidth="1dp" <!-- set the dash width -
    90. android:dashGap="2dp"/><!-- Set Dash interval width -
    94. </shape>

From for notes (Wiz)

Shape under the drawable