fixed renderflex overflowed

android/app/build.gradle

@@ -27,9 +27,6 @@ apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 android {
     compileSdkVersion 28
 
-    lintOptions {
-        disable 'InvalidPackage'
-    }
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).

android/app/src/main/AndroidManifest.xml

@@ -7,11 +7,10 @@
          additional functionality it is fine to subclass or reimplement
          FlutterApplication and put your custom class here. -->
     <application
-        android:name="io.flutter.app.FlutterApplication"
         android:label="shimmer_effect"
         android:icon="@mipmap/ic_launcher">
         <activity
-            android:name=".MainActivity"
+            android:name="io.flutter.embedding.android.FlutterActivity"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
@@ -24,6 +23,9 @@
             <meta-data
                 android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
                 android:value="true" />
+            <meta-data
+                android:name="flutterEmbedding"
+                android:value="2" />
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
                 <category android:name="android.intent.category.LAUNCHER"/>

android/app/src/main/java/com/example/shimmer_effect/MainActivity.java

@@ -1,13 +1,9 @@
 package com.example.shimmer_effect;
 
 import android.os.Bundle;
-import io.flutter.app.FlutterActivity;
+import io.flutter.embedding.android.FlutterActivity;
 import io.flutter.plugins.GeneratedPluginRegistrant;
 
 public class MainActivity extends FlutterActivity {
-  @Override
-  protected void onCreate(Bundle savedInstanceState) {
-    super.onCreate(savedInstanceState);
-    GeneratedPluginRegistrant.registerWith(this);
-  }
+
 }

android/gradle.properties

@@ -1 +1,4 @@
 org.gradle.jvmargs=-Xmx1536M
+android.useAndroidX=true
+android.enableJetifier=true
+android.enableR8=true

ios/Flutter/flutter_export_environment.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+# This is a generated file; do not edit or check into version control.
+export "FLUTTER_ROOT=C:\Users\NASHITHA\AppData\Local\Google\flutter"
+export "FLUTTER_APPLICATION_PATH=C:\Users\NASHITHA\AndroidStudioProjects\Shimmer-Effect-Flutter"
+export "COCOAPODS_PARALLEL_CODE_SIGN=true"
+export "FLUTTER_TARGET=lib\main.dart"
+export "FLUTTER_BUILD_DIR=build"
+export "FLUTTER_BUILD_NAME=1.0.0"
+export "FLUTTER_BUILD_NUMBER=1"
+export "DART_OBFUSCATION=false"
+export "TRACK_WIDGET_CREATION=true"
+export "TREE_SHAKE_ICONS=false"
+export "PACKAGE_CONFIG=.dart_tool/package_config.json"

lib/main.dart

@@ -44,7 +44,7 @@ class _DelayedListState extends State<DelayedList> {
         isLoading = false;
       });
     });
-
+     print("loading:$isLoading");
     return isLoading ? ShimmerList() : DataList(timer);
   }
 }
@@ -118,27 +118,29 @@ class ShimmerLayout extends StatelessWidget {
             width: 100,
             color: Colors.grey,
           ),
-          Column(
-            crossAxisAlignment: CrossAxisAlignment.start,
-            children: <Widget>[
-              Container(
-                height: containerHeight,
-                width: containerWidth,
-                color: Colors.grey,
-              ),
-              SizedBox(height: 5),
-              Container(
-                height: containerHeight,
-                width: containerWidth,
-                color: Colors.grey,
-              ),
-              SizedBox(height: 5),
-              Container(
-                height: containerHeight,
-                width: containerWidth * 0.75,
-                color: Colors.grey,
-              )
-            ],
+          Flexible(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: <Widget>[
+                Container(
+                  height: containerHeight,
+                  width: containerWidth,
+                  color: Colors.grey,
+                ),
+                SizedBox(height: 5),
+                Container(
+                  height: containerHeight,
+                  width: containerWidth,
+                  color: Colors.grey,
+                ),
+                SizedBox(height: 5),
+                Container(
+                  height: containerHeight,
+                  width: containerWidth * 0.75,
+                  color: Colors.grey,
+                )
+              ],
+            ),
           )
         ],
       ),

pubspec.lock

@@ -1,41 +1,55 @@
 # Generated by pub
-# See https://www.dartlang.org/tools/pub/glossary#lockfile
+# See https://dart.dev/tools/pub/glossary#lockfile
 packages:
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
-  charcode:
+    version: "2.1.0"
+  characters:
     dependency: transitive
     description:
-      name: charcode
+      name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "1.2.1"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.11"
+    version: "1.16.0"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.2"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -52,35 +66,28 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.5"
-  meta:
+    version: "0.12.12"
+  material_color_utilities:
     dependency: transitive
     description:
-      name: meta
+      name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
-  path:
-    dependency: transitive
-    description:
-      name: path
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.6.2"
-  pedantic:
+    version: "0.1.5"
+  meta:
     dependency: transitive
     description:
-      name: pedantic
+      name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.0"
-  quiver:
+    version: "1.8.0"
+  path:
     dependency: transitive
     description:
-      name: quiver
+      name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "1.8.2"
   shimmer:
     dependency: "direct main"
     description:
@@ -99,55 +106,48 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.5"
+    version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.4"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.6"
+    version: "0.4.12"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.2.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"