diff --git a/wallet_app/android/app/build.gradle.kts b/wallet_app/android/app/build.gradle.kts
index c955a0f3..c5a38050 100644
--- a/wallet_app/android/app/build.gradle.kts
+++ b/wallet_app/android/app/build.gradle.kts
@@ -46,11 +46,11 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_1_8
-        targetCompatibility = JavaVersion.VERSION_1_8
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
     }
     kotlinOptions {
-        jvmTarget = "1.8"
+        jvmTarget = "17"
     }
     composeOptions {
         kotlinCompilerExtensionVersion = "1.5.1"
diff --git a/wallet_app/android/app/src/main/res/theme/Color.kt b/wallet_app/android/app/src/main/java/com/example/walletapp/theme/Color.kt
similarity index 100%
rename from wallet_app/android/app/src/main/res/theme/Color.kt
rename to wallet_app/android/app/src/main/java/com/example/walletapp/theme/Color.kt
diff --git a/wallet_app/android/app/src/main/res/theme/Theme.kt b/wallet_app/android/app/src/main/java/com/example/walletapp/theme/Theme.kt
similarity index 100%
rename from wallet_app/android/app/src/main/res/theme/Theme.kt
rename to wallet_app/android/app/src/main/java/com/example/walletapp/theme/Theme.kt
diff --git a/wallet_app/android/app/src/main/res/theme/Type.kt b/wallet_app/android/app/src/main/java/com/example/walletapp/theme/Type.kt
similarity index 100%
rename from wallet_app/android/app/src/main/res/theme/Type.kt
rename to wallet_app/android/app/src/main/java/com/example/walletapp/theme/Type.kt