Gradle integration
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..6e5f191
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,70 @@
+// Top level gradle declarations
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:1.0.0'
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+
+// Module level gradle declarations
+
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 21
+    buildToolsVersion "21.1.2"
+
+    defaultConfig {
+        applicationId "com.fairphone.updater"
+        minSdkVersion 17
+        targetSdkVersion 21
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled true
+            shrinkResources true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
+        }
+    }
+
+    sourceSets {
+        main {
+            manifest.srcFile 'AndroidManifest.xml'
+            java.srcDirs = ['src']
+            resources.srcDirs = ['src']
+            aidl.srcDirs = ['src']
+            renderscript.srcDirs = ['src']
+            res.srcDirs = ['res']
+            assets.srcDirs = ['assets']
+        }
+
+        // Move the tests to tests/java, tests/res, etc...
+        instrumentTest.setRoot('tests')
+        androidTest.setRoot('tests')
+        
+        // Move the build types to build-types/<type>
+        // For instance, build-types/debug/java, build-types/debug/AndroidManifest.xml, ...
+        // This moves them out of them default location under src/<type>/... which would
+        // conflict with src/ being used by the main source set.
+        // Adding new build types or product flavors should be accompanied
+        // by a similar customization.
+        debug.setRoot('build-types/debug')
+        release.setRoot('build-types/release')
+    }
+}
+
+dependencies {
+    compile 'com.android.support:support-v4:21.0.+'
+    compile files('libs/crashlytics.jar')
+    compile files('libs/RootTools-3.3.jar')
+}