优化低版本设置方法

Author: DrownCoder

shapebuilder/src/main/java/com/study/xuan/shapebuilder/shape/ShapeBuilder.java

@@ -13,6 +13,7 @@
 public class ShapeBuilder{
     private GradientDrawable drawable;
     private AttrContainer container;
+    private boolean isOperate;
     public ShapeBuilder() {
         drawable = new GradientDrawable();
         if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
@@ -189,6 +190,7 @@ private ShapeBuilder GradientInit(GradientDrawable.Orientation orientation, int
             drawable.setOrientation(orientation);
             drawable.setColors(new int[]{startColor, centerColor, endColor});
         } else {
+            isOperate = true;
             drawable = new GradientDrawable(orientation, new int[]{startColor, centerColor,
                     endColor});
         }
@@ -273,7 +275,9 @@ public GradientDrawable build() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
             return drawable;
         } else {
-            operateMethod();
+            if (isOperate) {
+                operateMethod();
+            }
         }
         return drawable;
     }