diff --git a/.gitignore b/.gitignore
index f0c7e67..e469c2b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,8 +6,6 @@
 .idea/
 .packages
 build/
-android/
-ios/
 # If you're building an application, you may want to check-in your pubspec.lock
 pubspec.lock
 
@@ -27,3 +25,8 @@ doc/api/
 .flutter-plugins
 .flutter-plugins-dependencies
 
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release
+
diff --git a/android/app/src/main/kotlin/com/juxinghe/touchme/MainActivity.kt b/android/app/src/main/kotlin/com/juxinghe/touchme/MainActivity.kt
new file mode 100644
index 0000000..6d98f50
--- /dev/null
+++ b/android/app/src/main/kotlin/com/juxinghe/touchme/MainActivity.kt
@@ -0,0 +1,5 @@
+package com.juxinghe.touchme
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity : FlutterActivity()
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
index db77bb4..08c3c12 100644
Binary files a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
index 17987b7..464d667 100644
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diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index 09d4391..24c3dc9 100644
Binary files a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index d5f1c8d..6f828e9 100644
Binary files a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 4d6372e..94b435f 100644
Binary files a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ