fix java 8 warning

android/app/build.gradle

@@ -39,7 +39,7 @@ android {
     }
 
     kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_17
+        jvmTarget = '17'
     }
 
     sourceSets {

android/gradle.properties

-org.gradle.jvmargs=-Xmx1536M
+org.gradle.jvmargs=-Xmx1536M \
+    --add-exports=java.base/sun.nio.ch=ALL-UNNAMED \
+    --add-opens=java.base/java.lang=ALL-UNNAMED \
+    --add-opens=java.base/java.lang.reflect=ALL-UNNAMED \
+    --add-opens=java.base/java.io=ALL-UNNAMED \
+    --add-exports=jdk.unsupported/sun.misc=ALL-UNNAMED
+
 android.useAndroidX=true
 android.enableJetifier=true
+android.defaults.buildfeatures.buildconfig=true
+org.gradle.java.home=/usr/lib/jvm/java-17-openjdk

pubspec.yaml

@@ -2,7 +2,7 @@ name: gecko
 description: Pay with G1.
 publish_to: "none"
 
-version: 0.1.12+83
+version: 0.1.12+84
 
 environment:
   sdk: ^3.5.3