Merge remote-tracking branch 'origin/master'

Author: CarGuo

lib/main.dart

@@ -20,6 +20,7 @@ import 'package:gsy_github_app_flutter/common/net/Code.dart';
 
 void main() {
   runApp(new FlutterReduxApp());
+  PaintingBinding.instance.imageCache.maximumSize = 100;
 }
 
 class FlutterReduxApp extends StatelessWidget {

lib/test/DemoMixins.dart

@@ -0,0 +1,95 @@
+/**
+ * Created by guoshuyu
+ * Date: 2018-10-12
+ */
+
+abstract class Base {
+  a() {
+
+  }
+  b() {
+
+  }
+}
+
+class S extends Base {
+  a() {
+    print("S.a");
+    super.a();
+  }
+}
+
+class A extends Base {
+  a() {
+    print("A.a");
+    super.a();
+  }
+
+  b() {
+    print("A.b");
+    super.b();
+  }
+}
+
+class A1 extends Base {
+  a() {
+    print("A1.a");
+    super.a();
+  }
+
+  b() {
+    print("A1.b");
+    super.b();
+  }
+}
+
+class A2 extends Base {
+  a() {
+    print("A2.a");
+    super.a();
+  }
+
+  b() {
+    print("A2.b");
+    super.b();
+  }
+}
+
+class B extends Base {
+  a() {
+    print("B.a");
+    super.a();
+  }
+
+  b() {
+    print("B.b");
+    super.b();
+  }
+
+  c() {
+    print("B.c ");
+  }
+}
+
+class T = B with A1, A2, A, S;
+
+
+testMixins() {
+  T t = new T();
+  t.a();
+  t.b();
+  t.c();
+}
+
+/**
+ *  I/flutter ( 1864): S.a
+    I/flutter ( 1864): A.a
+    I/flutter ( 1864): A2.a
+    I/flutter ( 1864): A1.a
+    I/flutter ( 1864): B.a
+    I/flutter ( 1864): A.b
+    I/flutter ( 1864): A2.b
+    I/flutter ( 1864): A1.b
+    I/flutter ( 1864): B.b
+    I/flutter ( 1864): B.c
+ * */