android 代码创建shape

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle" >

    <solid android:color="#DFDFE0" />

    <corners
        android:bottomLeftRadius="8dp"
        android:bottomRightRadius="8dp"
        android:topLeftRadius="8dp"
        android:topRightRadius="8dp" />

    <stroke
        android:width="3dp"
        android:color="#2E3135" />

</shape>
    // prepare
    int strokeWidth = 5; // 3px not dp
    int roundRadius = 15; // 8px not dp
    int strokeColor = Color.parseColor("#2E3135");
    int fillColor = Color.parseColor("#DFDFE0");

    GradientDrawable gd = new GradientDrawable();
    gd.setColor(fillColor);
    gd.setCornerRadius(roundRadius);
    gd.setStroke(strokeWidth, strokeColor);