[new]优化首页的tab按钮大小

lib/module/main/view.dart

@@ -71,77 +71,77 @@ class MainTabPage extends BasePage<MainController> {
       onTap: () {
         controller.onChatClick();
       },
-      child: Container(
-        width: 76.w,
-        height: 76.w,
-        margin: EdgeInsets.only(top: 48.w),
-        child: Assets.images.mainTabSecretary.image(),
-      ),
-    );
+        child: Align(
+          alignment: Alignment.bottomCenter,
+          child: SizedBox(
+            width: 62.w,
+            child: AspectRatio(
+                aspectRatio: 195 / 223,
+                child: Assets.images.mainTabSecretary.image()),
+          ),
+        ));
   }
 
   BottomAppBar buildBottomAppBar() {
     return BottomAppBar(
       color: Colors.white,
-      height: 68.h,
-      child: Obx(() {
-        return Flex(
-          mainAxisAlignment: MainAxisAlignment.spaceAround,
-          direction: Axis.horizontal,
-          children: <Widget>[
-            Expanded(
-              flex: 1,
-              child: bottomAppBarItem(0),
-            ),
-            const Expanded(
-              flex: 1,
-              child: SizedBox(),
-            ),
-            const SizedBox(),
-            Expanded(
-              flex: 1,
-              child: bottomAppBarItem(1),
-            ),
-          ],
-        );
-      }),
+      height: 56.h,
+      padding: EdgeInsets.zero,
+      child: Flex(
+        mainAxisAlignment: MainAxisAlignment.spaceAround,
+        direction: Axis.horizontal,
+        children: <Widget>[
+          Expanded(
+            flex: 1,
+            child: bottomAppBarItem(0),
+          ),
+          SizedBox(width: 62.w),
+          const SizedBox(),
+          Expanded(
+            flex: 1,
+            child: bottomAppBarItem(1),
+          ),
+        ],
+      ),
     );
   }
 
   Widget bottomAppBarItem(int index) {
-    //设置默认未选中的状态
-    TextStyle style;
-    TabBean tabBean = controller.tabBeans[index];
-    String imagePath;
-    if (controller.currentIndex == index) {
-      //选中的话
-      style = TextStyle(fontSize: 10.sp, color: tabBean.txtSelectedColor);
-      imagePath = tabBean.selectedIcon;
-    } else {
-      style = TextStyle(fontSize: 10.sp, color: tabBean.txtNormalColor);
-      imagePath = tabBean.normalIcon;
-    }
-    //构造返回的Widget
-    Widget item = GestureDetector(
-      behavior: HitTestBehavior.opaque,
-      child: Center(
-        child: Column(
-          mainAxisSize: MainAxisSize.min,
-          children: <Widget>[
-            Expanded(child: Image.asset(imagePath)),
-            Text(
-              tabBean.title.tr,
-              style: style,
-            )
-          ],
+    return Obx(() {
+      TextStyle style;
+      TabBean tabBean = controller.tabBeans[index];
+      String imagePath;
+      if (controller.currentIndex == index) {
+        //选中的话
+        style = TextStyle(fontSize: 10.sp, color: tabBean.txtSelectedColor);
+        imagePath = tabBean.selectedIcon;
+      } else {
+        style = TextStyle(fontSize: 10.sp, color: tabBean.txtNormalColor);
+        imagePath = tabBean.normalIcon;
+      }
+      return GestureDetector(
+        behavior: HitTestBehavior.opaque,
+        child: SizedBox(
+          height: 56.h,
+          child: Center(
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: <Widget>[
+                Image.asset(imagePath, width: 24.w, height: 24.w),
+                Text(
+                  tabBean.title.tr,
+                  style: style,
+                )
+              ],
+            ),
+          ),
         ),
-      ),
-      onTap: () {
-        if (controller.currentIndex != index) {
-          controller.updateIndex(index);
-        }
-      },
-    );
-    return item;
+        onTap: () {
+          if (controller.currentIndex != index) {
+            controller.updateIndex(index);
+          }
+        },
+      );
+    });
   }
 }