登录页验证码倒计时/登录页禁用Android侧滑返回

lib/pages/frame/sign_in/controller.dart

@@ -26,6 +26,7 @@ class SignInController extends GetxController {
   RxBool codeEnable = false.obs;
   RxBool checkBox = false.obs;
   RxBool loginBtnEable = false.obs;
+  RxString codeTileStr = "获取验证码".obs;
 
   /// 倒计时的计时器。
   late Timer _timer;
@@ -176,11 +177,13 @@ class SignInController extends GetxController {
         _seconds = 60;
         verifyStr.value = '重新发送';
         codeEnable.value = true;
+        codeTileStr.value = "重新发送验证码";
         return;
       }
-      _seconds--;
       verifyStr.value = '已发送$_seconds' + 's';
+      codeTileStr.value = "${_seconds}s后重试";
       codeEnable.value = false;
+      _seconds--;
     });
   }
 

lib/pages/frame/sign_in/view.dart

@@ -590,7 +590,9 @@ class SignInPage extends GetView<SignInController> {
   }
 
   Widget buildAndroidSigin(BuildContext buildContext) {
-    return GestureDetector(
+    return WillPopScope(onWillPop: () async{
+      return false;
+    },child: GestureDetector(
       behavior: HitTestBehavior.translucent,
       onTap: () => Focus.of(buildContext).unfocus(),
       child: SingleChildScrollView(
@@ -711,11 +713,11 @@ class SignInPage extends GetView<SignInController> {
                                   Flexible(child: Container()),
                                   GestureDetector(
                                     onTap: () => controller.chageCodeStatus(),
-                                    child: const Text(
-                                      "获取验证码",
-                                      style: TextStyle(
+                                    child:  Obx(()=>Text(
+                                      controller.codeTileStr.value,
+                                      style: const TextStyle(
                                           color: Colors.white54, fontSize: 12),
-                                    ),
+                                    )),
                                   )
                                 ],
                               ),
@@ -752,8 +754,7 @@ class SignInPage extends GetView<SignInController> {
           ),
         ),
       ),
-    );
-
+    ),);
     // return GestureDetector(
     //   behavior: HitTestBehavior.translucent,
     //   onTap: () => FocusScope.of(buildContext).unfocus(),