update gradle4.1

build.gradle

@@ -2,19 +2,33 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
+    allprojects {
+        gradle.projectsEvaluated {
+            tasks.withType(JavaCompile) {
+                options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation"
+            }
+        }
+    }
 }
 
 allprojects {
     repositories {
+        flatDir {
+            dirs 'libs'
+        }
+        google()
         jcenter()
+        mavenCentral()
+        maven { url "https://jitpack.io" }
     }
 }
 
@@ -25,11 +39,11 @@ task clean(type: Delete) {
 ext {
     // Sdk and tools
     minSdkVersion = 16
-    targetSdkVersion = 25
-    compileSdkVersion = 25
-    buildToolsVersion = '25.0.3'
+    targetSdkVersion = 26
+    compileSdkVersion = 26
+    buildToolsVersion = '26.0.2'
 
     // App dependencies
-    supportLibraryVersion = '25.3.1'
+    supportLibraryVersion = '26.1.0'
 
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Thu Jun 15 20:04:51 CST 2017
+#Tue Dec 05 21:12:34 CST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip