diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000000000000000000000000000000000000..d2368471acd17a3b1544a70b25414c8e5a64b9d2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches/build_file_checksums.ser
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+
+\.idea/codeStyles/Project\.xml
+
+\.idea/gradle\.xml
+
+\.idea/misc\.xml
+
+\.idea/runConfigurations\.xml
+
+gradlew
+
+gradlew\.bat
+
+settings\.gradle
+
+app/proguard-rules\.pro
+
+gradle\.properties
+
+gradle/wrapper/gradle-wrapper\.jar
+
+gradle/wrapper/gradle-wrapper\.properties
diff --git a/app/src/main/java/com/ireallydontcare/viet/posseidon/MainActivity.java b/app/src/main/java/com/ireallydontcare/viet/posseidon/MainActivity.java
index 8a0a5d162aae8647fa471ed5eee938f9d69382d4..5312e4177d0bcbe5cc152829931eee117fe9dba0 100644
--- a/app/src/main/java/com/ireallydontcare/viet/posseidon/MainActivity.java
+++ b/app/src/main/java/com/ireallydontcare/viet/posseidon/MainActivity.java
@@ -148,6 +148,7 @@ public class MainActivity extends AppCompatActivity
                 return true;
             case R.id.action_deleteall:
                 deleteall();
+                return true;
             case R.id.allevent:
                 Intent Intent = new Intent();
                 Intent.setClass(MainActivity.this, AllEventActivity.class);