diff --git a/.gitignore b/.gitignore
index 525f0878ef..65f3828f87 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,6 @@ mediapipe/provisioning_profile.mobileprovision
 node_modules/
 .configure.bazelrc
 .user.bazelrc
+
+*.iml
+.idea
diff --git a/mediapipe/examples/android/solutions/.gitignore b/mediapipe/examples/android/solutions/.gitignore
new file mode 100644
index 0000000000..ef4d76035d
--- /dev/null
+++ b/mediapipe/examples/android/solutions/.gitignore
@@ -0,0 +1,4 @@
+.gradle
+.idea
+local.properties
+build
diff --git a/mediapipe/examples/android/solutions/BUILD b/mediapipe/examples/android/solutions/BUILD.license
similarity index 100%
rename from mediapipe/examples/android/solutions/BUILD
rename to mediapipe/examples/android/solutions/BUILD.license
diff --git a/mediapipe/examples/android/solutions/build.gradle b/mediapipe/examples/android/solutions/build.gradle
index 691e410137..b08482ea58 100644
--- a/mediapipe/examples/android/solutions/build.gradle
+++ b/mediapipe/examples/android/solutions/build.gradle
@@ -1,14 +1,10 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     repositories {
         google()
         mavenCentral()
     }
     dependencies {
-        classpath "com.android.tools.build:gradle:4.2.0"
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
+        classpath 'com.android.tools.build:gradle:8.13.2'
     }
 }
 
@@ -19,6 +15,6 @@ allprojects {
     }
 }
 
-task clean(type: Delete) {
+tasks.register('clean', Delete) {
     delete rootProject.buildDir
 }
diff --git a/mediapipe/examples/android/solutions/facedetection/build.gradle b/mediapipe/examples/android/solutions/facedetection/build.gradle
index 5fc10444bb..34e4f939d4 100644
--- a/mediapipe/examples/android/solutions/facedetection/build.gradle
+++ b/mediapipe/examples/android/solutions/facedetection/build.gradle
@@ -3,8 +3,8 @@ plugins {
 }
 
 android {
+    namespace = "com.google.mediapipe.examples.facedetection"
     compileSdkVersion 30
-    buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "com.google.mediapipe.apps.facedetection"
@@ -21,8 +21,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 }
 
diff --git a/mediapipe/examples/android/solutions/facedetection/src/main/AndroidManifest.xml b/mediapipe/examples/android/solutions/facedetection/src/main/AndroidManifest.xml
index 2e84a25d1b..c4efb83755 100644
--- a/mediapipe/examples/android/solutions/facedetection/src/main/AndroidManifest.xml
+++ b/mediapipe/examples/android/solutions/facedetection/src/main/AndroidManifest.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.google.mediapipe.examples.facedetection">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
   <uses-sdk
       android:minSdkVersion="21"
diff --git a/mediapipe/examples/android/solutions/facemesh/build.gradle b/mediapipe/examples/android/solutions/facemesh/build.gradle
index 08dc98c363..4dc4364777 100644
--- a/mediapipe/examples/android/solutions/facemesh/build.gradle
+++ b/mediapipe/examples/android/solutions/facemesh/build.gradle
@@ -3,8 +3,8 @@ plugins {
 }
 
 android {
+    namespace = "com.google.mediapipe.examples.facemesh"
     compileSdkVersion 30
-    buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "com.google.mediapipe.apps.facemesh"
@@ -21,8 +21,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 }
 
diff --git a/mediapipe/examples/android/solutions/facemesh/src/main/AndroidManifest.xml b/mediapipe/examples/android/solutions/facemesh/src/main/AndroidManifest.xml
index a2cbbdc23f..ff45aba169 100644
--- a/mediapipe/examples/android/solutions/facemesh/src/main/AndroidManifest.xml
+++ b/mediapipe/examples/android/solutions/facemesh/src/main/AndroidManifest.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.google.mediapipe.examples.facemesh">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
   <uses-sdk
       android:minSdkVersion="21"
diff --git a/mediapipe/examples/android/solutions/hands/build.gradle b/mediapipe/examples/android/solutions/hands/build.gradle
index 4a275c11bd..669f317493 100644
--- a/mediapipe/examples/android/solutions/hands/build.gradle
+++ b/mediapipe/examples/android/solutions/hands/build.gradle
@@ -3,8 +3,8 @@ plugins {
 }
 
 android {
+    namespace = "com.google.mediapipe.examples.hands"
     compileSdkVersion 30
-    buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "com.google.mediapipe.apps.hands"
@@ -21,8 +21,8 @@ android {
         }
     }
     compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        sourceCompatibility JavaVersion.VERSION_17
+        targetCompatibility JavaVersion.VERSION_17
     }
 }
 
diff --git a/mediapipe/examples/android/solutions/hands/src/main/AndroidManifest.xml b/mediapipe/examples/android/solutions/hands/src/main/AndroidManifest.xml
index ffb3ac5b90..622fc763f4 100644
--- a/mediapipe/examples/android/solutions/hands/src/main/AndroidManifest.xml
+++ b/mediapipe/examples/android/solutions/hands/src/main/AndroidManifest.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.google.mediapipe.examples.hands">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
   <uses-sdk
       android:minSdkVersion="21"