fix(android): update minSdkVersion to 23

android/app/build.gradle

@@ -65,7 +65,7 @@ android {
         applicationId "com.chenyifaer.homingpigeon"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-build-configuration.
-        minSdkVersion 21
+        minSdkVersion 23
         targetSdk 34
         versionName flutterVersionName
         versionCode flutterVersionCode.toInteger()
@@ -123,13 +123,21 @@ android {
     buildTypes {
         release {
             signingConfig signingConfigs.release
+            shrinkResources true
             minifyEnabled true
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
         debug {
             signingConfig signingConfigs.debug
         }
     }
+
+    packagingOptions {
+        jniLibs {
+            // Enabling flag to compress JNI Libs to reduce APK size Ref: https://developer.android.com/topic/performance/reduce-apk-size?hl=zh-cn#extract-false
+            useLegacyPackaging true
+        }
+    }
 }
 
 flutter {