diff --git a/.gitignore b/.gitignore
index aa724b77..8ccc4f86 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 *.iml
 .gradle
 /local.properties
+/.idea
 /.idea/caches
 /.idea/libraries
 /.idea/modules.xml
diff --git a/.idea/app_api_libraries.json b/.idea/app_api_libraries.json
deleted file mode 100644
index 7d49c243..00000000
--- a/.idea/app_api_libraries.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "apiFiles_libraries": "[]"
-}
\ No newline at end of file
diff --git a/.idea/app_compileOnlyApi_libraries.json b/.idea/app_compileOnlyApi_libraries.json
deleted file mode 100644
index db4a647b..00000000
--- a/.idea/app_compileOnlyApi_libraries.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "compileOnlyApiFiles_libraries": "[]"
-}
\ No newline at end of file
diff --git a/.idea/app_compileOnly_libraries.json b/.idea/app_compileOnly_libraries.json
deleted file mode 100644
index f2ba09e7..00000000
--- a/.idea/app_compileOnly_libraries.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "compileOnlyFiles_libraries": "[]"
-}
\ No newline at end of file
diff --git a/.idea/app_compiler_settings.json b/.idea/app_compiler_settings.json
deleted file mode 100644
index 38e81b25..00000000
--- a/.idea/app_compiler_settings.json
+++ /dev/null
@@ -1,16 +0,0 @@
-{
- "java": {
-  "isCompilerEnabled": "false",
-  "sourceCompatibility": "1.8",
-  "targetCompatibility": "1.8",
-  "applyJavaFormat": "false",
-  "isGoogleJavaFormat": "false"
- },
- "kotlin": {
-  "isCompilerEnabled": "false",
-  "isCompileRuntime": "false",
-  "isKotlinCompletionV2": "false",
-  "jvmTarget": "1.8",
-  "applyKotlinFormat": "false"
- }
-}
\ No newline at end of file
diff --git a/.idea/app_implementation_libraries.json b/.idea/app_implementation_libraries.json
deleted file mode 100644
index be19799a..00000000
--- a/.idea/app_implementation_libraries.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "implementationFiles_libraries": "[]"
-}
\ No newline at end of file
diff --git a/.idea/app_runtimeOnlyApi_libraries.json b/.idea/app_runtimeOnlyApi_libraries.json
deleted file mode 100644
index 0b1a5a7e..00000000
--- a/.idea/app_runtimeOnlyApi_libraries.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "runtimeOnlyApiFiles_libraries": "[]"
-}
\ No newline at end of file
diff --git a/.idea/app_runtimeOnly_libraries.json b/.idea/app_runtimeOnly_libraries.json
deleted file mode 100644
index 087a252a..00000000
--- a/.idea/app_runtimeOnly_libraries.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "runtimeOnlyFiles_libraries": "[]"
-}
\ No newline at end of file
diff --git a/.idea/repositories.json b/.idea/repositories.json
deleted file mode 100644
index e1d7b323..00000000
--- a/.idea/repositories.json
+++ /dev/null
@@ -1,18 +0,0 @@
-[
-  {
-    "name": "maven",
-    "url": "https://repo1.maven.org/maven2"
-  },
-  {
-    "name": "google-maven",
-    "url": "https://maven.google.com"
-  },
-  {
-    "name": "jitpack",
-    "url": "https://jitpack.io"
-  },
-  {
-    "name": "jcenter",
-    "url": "https://jcenter.bintray.com"
-  }
-]
\ No newline at end of file
diff --git a/.idea/settings.json b/.idea/settings.json
deleted file mode 100644
index 735e4e44..00000000
--- a/.idea/settings.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "editor_opened_files": "[{\"file\":{},\"name\":\"Rosemoe Code Editor\"},{\"file\":{},\"name\":\"Rosemoe Code Editor\"},{\"file\":{},\"name\":\"Rosemoe Code Editor\"}]"
-}
\ No newline at end of file
diff --git a/app/build.gradle b/app/build.gradle
index 77271046..857e4e0c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -27,4 +27,7 @@ android {
 }
 
 dependencies {
+    implementation 'com.google.android.material:material:1.9.0'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'androidx.core:core:1.10.1'
 }