Update gradle

example/android/app/build.gradle

@@ -15,8 +15,8 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 25
-    buildToolsVersion '25.0.3'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.3'
 
     lintOptions {
         disable 'InvalidPackage'
@@ -35,6 +35,9 @@ android {
             // Signing with the debug keys for now, so `flutter run --release` works.
             signingConfig signingConfigs.debug
         }
+            profile {
+                matchingFallbacks = ['debug', 'release']
+            }
     }
 }
 
@@ -43,7 +46,7 @@ flutter {
 }
 
 dependencies {
-    androidTestCompile 'com.android.support:support-annotations:25.4.0'
-    androidTestCompile 'com.android.support.test:runner:0.5'
-    androidTestCompile 'com.android.support.test:rules:0.5'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }

example/android/build.gradle

 buildscript {
     repositories {
+        google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.2.3'
+        classpath 'com.android.tools.build:gradle:3.0.1'
     }
 }
 
 allprojects {
     repositories {
+        google()
         jcenter()
-        maven {
-            url "https://maven.google.com"
-        }
     }
 }
 
 rootProject.buildDir = '../build'
 subprojects {
     project.buildDir = "${rootProject.buildDir}/${project.name}"
+}
+subprojects {
     project.evaluationDependsOn(':app')
 }
 

example/lib/main.dart

@@ -136,7 +136,7 @@ class FontAwesomeGalleryHomeState extends State<FontAwesomeGalleryHome> {
         onChanged: (text) => setState(() => _searchTerm = text),
         autofocus: true,
         style: new TextStyle(fontSize: 18.0),
-        decoration: new InputDecoration(hideDivider: true),
+        decoration: new InputDecoration(border: InputBorder.none),
       ),
     );
   }