diff --git a/.travis.yml b/.travis.yml
index 95624a6211..0f9cfb6f04 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,8 +28,8 @@ matrix:
           components:
             - platform-tools
             - tools
-            - build-tools-25.0.3
-            - android-25
+            - build-tools-26.0.3
+            - android-26
             - extra-google-m2repository
             - extra-android-m2repository
             - sys-img-armeabi-v7a-android-22
diff --git a/android/build.gradle b/android/build.gradle
index 32f7927f33..e78c562da7 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -14,21 +14,15 @@ plugins {
 //    id "com.github.dcendents.android-maven" version "1.5"
 }
 
-repositories {
-    mavenLocal()
-    jcenter()
-}
-
 subprojects {
     repositories {
         mavenLocal()
         jcenter()
+        maven {
+            url 'https://maven.google.com'
+        }
     }
     buildscript {
-        repositories {
-            mavenLocal()
-            jcenter()
-        }
         dependencies {
             classpath 'com.android.tools.build:gradle:2.3.3'
             classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.0'
@@ -36,12 +30,11 @@ subprojects {
         }
     }
     ext {
-        compileSdkVersion=25
-        buildToolsVersion="25.0.3"
+        compileSdkVersion=26
+        buildToolsVersion="26.0.3"
         minSdkVersion=14
-        appMinSdkVersion=15
-        targetSdkVersion=25
-        supportLibVersion="25.3.1"
+        targetSdkVersion=26
+        supportLibVersion="26.0.2"
         fastjsonLibVersion="1.1.46.android"
     }
 }
diff --git a/android/playground/app/build.gradle b/android/playground/app/build.gradle
index 3e4954d115..941e624f0e 100755
--- a/android/playground/app/build.gradle
+++ b/android/playground/app/build.gradle
@@ -10,7 +10,7 @@ android {
 
     defaultConfig {
         applicationId "com.alibaba.weex"
-        minSdkVersion project.appMinSdkVersion
+        minSdkVersion project.minSdkVersion
         targetSdkVersion project.targetSdkVersion
         versionCode 17
         versionName "0.18.0-beta-3"
@@ -101,7 +101,6 @@ dependencies {
     debugCompile 'com.taobao.android:weex_analyzer:0.1.0.5'
 
 
-    compile 'com.taobao.android:dexposed:0.1.8'
     compile 'com.loopj.android:android-async-http:1.4.9@aar'
     compile 'com.facebook.fresco:fresco:0.12.0+'
     compile 'com.facebook.fresco:animated-gif:0.12.0'
diff --git a/android/sdk/build.gradle b/android/sdk/build.gradle
index d8ce3bca42..e2b7871c4f 100755
--- a/android/sdk/build.gradle
+++ b/android/sdk/build.gradle
@@ -109,7 +109,7 @@ android {
         buildConfigField "long", "X86_Size", "${X86_Size}"
         buildConfigField "String", "buildJavascriptFrameworkVersion", "\"${jsfmVersion}\""
         buildConfigField "String", "buildVersion", "\"${version}\""
-        minSdkVersion 14
+        minSdkVersion project.minSdkVersion
         targetSdkVersion project.targetSdkVersion
 
         multiDexEnabled true