android:update textnode shadow prop

doric-android/doric/src/main/java/pub/doric/shader/TextNode.java

@@ -223,6 +223,17 @@ public class TextNode extends ViewNode<TextView> {
                     }
                 }
                 break;
+            case "shadow":
+                if (prop.isObject()) {
+                    mView.setAlpha((prop.asObject().getProperty("opacity").asNumber().toFloat()));
+                    mView.setShadowLayer(
+                            prop.asObject().getProperty("radius").asNumber().toFloat(),
+                            DoricUtils.dp2px(prop.asObject().getProperty("offsetX").asNumber().toFloat()),
+                            DoricUtils.dp2px(prop.asObject().getProperty("offsetY").asNumber().toFloat()),
+                            prop.asObject().getProperty("color").asNumber().toInt()
+                    );
+                }
+                break;
             default:
                 super.blend(view, name, prop);
                 break;

doric-demo/src/TextDemo.ts

@@ -11,8 +11,15 @@ class TextDemo extends Panel {
                         text: "This is normal text",
                     }),
                     text({
-                        text: "This is normal text",
+                        text: "This is normal text with shadow ",
                         textSize: 20,
+                        shadow:  {
+                            color: Color.parse("#1DD6DE"),
+                            offsetX: 0,
+                            offsetY: 1,
+                            opacity: 0.8,
+                            radius: 3.0
+                        }
                     }),
                     text({
                         text: "This is normal text",