diff --git a/.deepsource.toml b/.deepsource.toml
new file mode 100644
index 00000000..dff2388b
--- /dev/null
+++ b/.deepsource.toml
@@ -0,0 +1,8 @@
+version = 1
+
+[[analyzers]]
+name = "java"
+enabled = true
+
+  [analyzers.meta]
+  runtime_version = "8"
\ No newline at end of file
diff --git a/android-demo/build.gradle b/android-demo/build.gradle
deleted file mode 100644
index ed3538b4..00000000
--- a/android-demo/build.gradle
+++ /dev/null
@@ -1,71 +0,0 @@
-apply plugin: 'com.android.application'
-
-android {
-    compileSdkVersion 27
-    buildToolsVersion "27.0.2"
-
-    defaultConfig {
-        applicationId "com.example.myapplication"
-        minSdkVersion 15
-        targetSdkVersion 27
-        versionCode 1
-        versionName "1.0"
-
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-
-    }
-    buildTypes {
-        release {
-            minifyEnabled false
-            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
-        }
-    }
-}
-
-dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
-        exclude group: 'com.android.support', module: 'support-annotations'
-    })
-    compile 'com.android.support:appcompat-v7:27.+'
-    compile 'com.android.support.constraint:constraint-layout:+'
-    compile 'com.jsoniter:jsoniter:0.9.19-SNAPSHOT'
-    testCompile 'junit:junit:4.12'
-}
-
-buildscript {
-    repositories {
-        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
-        google()
-        mavenLocal()
-    }
-    dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.0'   //last version Jan 2016
-    }
-}
-
-allprojects {
-    repositories {
-        maven{ url 'http://maven.aliyun.com/nexus/content/groups/public/'}
-        google()
-        mavenLocal()
-    }
-}
-
-afterEvaluate {
-    android.applicationVariants.all { variant ->
-        variant.javaCompiler.finalizedBy(jsoniterStaticCodgen)
-    }
-}
-
-task jsoniterStaticCodgen(type:JavaExec) {
-    classpath configurations.getByName(android.sourceSets.main.compileConfigurationName)
-    classpath project.buildDir.toString() + '/intermediates/classes/release'
-    classpath project.buildDir.toString() + '/intermediates/classes/debug'
-    main = 'com.jsoniter.static_codegen.StaticCodegen'
-    args 'com.example.myapplication.DemoCodegenConfig'
-    workingDir = android.sourceSets.main.java.srcDirs[0].toString()
-    standardOutput = System.out
-    errorOutput = System.err
-}
-