diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..44a33a1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,28 @@
+# built application files
+*.ap_
+
+# files for the dex VM
+*.dex
+*.iml
+
+# Java class files
+*.class
+
+# generated files
+bin/
+gen/
+*target/
+*build/
+.gradle/
+.idea/
+gen-external-apklibs/
+
+# Local configuration file (sdk path, etc)
+local.properties
+
+# Eclipse project files
+.classpath
+.project
+
+# Mac os
+.DS_Store
diff --git a/.gradle/2.8/taskArtifacts/cache.properties b/.gradle/2.8/taskArtifacts/cache.properties
deleted file mode 100644
index ab776ad..0000000
--- a/.gradle/2.8/taskArtifacts/cache.properties
+++ /dev/null
@@ -1 +0,0 @@
-#Thu Dec 24 18:13:42 CST 2015
diff --git a/.gradle/2.8/taskArtifacts/cache.properties.lock b/.gradle/2.8/taskArtifacts/cache.properties.lock
deleted file mode 100644
index d16386d..0000000
Binary files a/.gradle/2.8/taskArtifacts/cache.properties.lock and /dev/null differ
diff --git a/.gradle/2.8/taskArtifacts/fileHashes.bin b/.gradle/2.8/taskArtifacts/fileHashes.bin
deleted file mode 100644
index 638d1a8..0000000
Binary files a/.gradle/2.8/taskArtifacts/fileHashes.bin and /dev/null differ
diff --git a/.gradle/2.8/taskArtifacts/fileSnapshots.bin b/.gradle/2.8/taskArtifacts/fileSnapshots.bin
deleted file mode 100644
index 51d8d71..0000000
Binary files a/.gradle/2.8/taskArtifacts/fileSnapshots.bin and /dev/null differ
diff --git a/.gradle/2.8/taskArtifacts/outputFileStates.bin b/.gradle/2.8/taskArtifacts/outputFileStates.bin
deleted file mode 100644
index bc80164..0000000
Binary files a/.gradle/2.8/taskArtifacts/outputFileStates.bin and /dev/null differ
diff --git a/.gradle/2.8/taskArtifacts/taskArtifacts.bin b/.gradle/2.8/taskArtifacts/taskArtifacts.bin
deleted file mode 100644
index 5890512..0000000
Binary files a/.gradle/2.8/taskArtifacts/taskArtifacts.bin and /dev/null differ
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 94a25f7..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/Marsdaemon2.iml b/Marsdaemon2.iml
deleted file mode 100644
index ac7dd76..0000000
--- a/Marsdaemon2.iml
+++ /dev/null
@@ -1,19 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id="Marsdaemon2" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="FacetManager">
-    <facet type="java-gradle" name="Java-Gradle">
-      <configuration>
-        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
-        <option name="BUILDABLE" value="false" />
-      </configuration>
-    </facet>
-  </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/build/intermediates/dex-cache/cache.xml b/build/intermediates/dex-cache/cache.xml
deleted file mode 100644
index 8310669..0000000
--- a/build/intermediates/dex-cache/cache.xml
+++ /dev/null
@@ -1,61 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<items version="2" >
-
-    <item
-        jar="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/exploded-aar/com.android.support/design/23.1.1/jars/classes.jar"
-        jumboMode="false"
-        revision="23.0.2"
-        sha1="379471b2bd17d9737c050345c08e8c7d16589784">
-        <dex dex="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/pre-dexed/debug/classes-c6fa416b046aaa3c3881aa2adc3de3f86eed5b88.jar" />
-    </item>
-    <item
-        jar="/Users/guoyang/Workspace/workspace_github/Marsdaemon2/DemoMarsdaemon/build/intermediates/exploded-aar/Marsdaemon2/LibMarsdaemon/unspecified/jars/classes.jar"
-        jumboMode="false"
-        revision="23.0.2"
-        sha1="43b527e25decf1d24c3365c600eef0f5b01ba06e">
-        <dex dex="/Users/guoyang/Workspace/workspace_github/Marsdaemon2/DemoMarsdaemon/build/intermediates/pre-dexed/debug/classes-9e71f3a69a7a75f0e6ad61f439036846c69c2471.jar" />
-    </item>
-    <item
-        jar="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/exploded-aar/com.android.support/appcompat-v7/23.1.1/jars/classes.jar"
-        jumboMode="false"
-        revision="23.0.2"
-        sha1="5c5699834e9722f1c288fea2de82725d078ba127">
-        <dex dex="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/pre-dexed/debug/classes-7b436cb1763e591acf0c9e6d3a1907156751d72b.jar" />
-    </item>
-    <item
-        jar="/Users/guoyang/Developer/android-sdk-macosx/extras/android/m2repository/com/android/support/support-annotations/23.1.1/support-annotations-23.1.1.jar"
-        jumboMode="false"
-        revision="23.0.2"
-        sha1="8d680ba5a623724d1fb0e81c36a790f023a6cede">
-        <dex dex="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/pre-dexed/debug/support-annotations-23.1.1-38952fc49edad26a0b2eb54c488f5b907e794825.jar" />
-    </item>
-    <item
-        jar="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/exploded-aar/com.android.support/support-v4/23.1.1/jars/classes.jar"
-        jumboMode="false"
-        revision="23.0.2"
-        sha1="6cbc7773921fcfedbe55657578f0cbfe614778dc">
-        <dex dex="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/pre-dexed/debug/classes-f61bac8e7f98dd4c9f6dad69f7b8e4e01e5cbdd1.jar" />
-    </item>
-    <item
-        jar="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/exploded-aar/MarsDaemon/LibMarsdaemon/unspecified/jars/classes.jar"
-        jumboMode="false"
-        revision="23.0.2"
-        sha1="a11b8f6e32b4301d95ef567d59733bfa304565e4">
-        <dex dex="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/pre-dexed/debug/classes-d0fa6b7bcd26d49f129741e8767855df20ea7b19.jar" />
-    </item>
-    <item
-        jar="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/exploded-aar/com.android.support/recyclerview-v7/23.1.1/jars/classes.jar"
-        jumboMode="false"
-        revision="23.0.2"
-        sha1="09c5e804bc67fc0580360043dff067df574a60d4">
-        <dex dex="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/pre-dexed/debug/classes-134ea16ac5e38c934126b074177d0f034fdd6bf8.jar" />
-    </item>
-    <item
-        jar="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/exploded-aar/com.android.support/support-v4/23.1.1/jars/libs/internal_impl-23.1.1.jar"
-        jumboMode="false"
-        revision="23.0.2"
-        sha1="a4de9c81ae239414e1ed0f86441b02abaf29bca9">
-        <dex dex="/Users/guoyang/Workspace/workspace_github/MarsDaemon/DemoMarsdaemon/build/intermediates/pre-dexed/debug/internal_impl-23.1.1-5571a2db4ac8b54f08dffabdf6b46d782b3fde03.jar" />
-    </item>
-
-</items>