压缩安装包体积

android/app/build.gradle.kts

@@ -32,6 +32,13 @@ android {
 
     buildTypes {
         release {
+            // 启用代码压缩和资源缩减
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
             // TODO: Add your own signing config for the release build.
             // Signing with the debug keys for now, so `flutter run --release` works.
             signingConfig = signingConfigs.getByName("debug")

android/app/proguard-rules.pro

@@ -0,0 +1,33 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+
+# Flutter specific rules
+-keep class io.flutter.app.** { *; }
+-keep class io.flutter.plugin.** { *; }
+-keep class io.flutter.util.** { *; }
+-keep class io.flutter.view.** { *; }
+-keep class io.flutter.** { *; }
+-keep class io.flutter.plugins.** { *; }
+
+# Keep classes used by reflection
+-keep class * { @com.google.gson.annotations.SerializedName <fields>; }
+
+# SQLite
+-keep class net.sqlcipher.** { *; }
+
+# Prevent obfuscation of model classes
+-keep class top.iletter.mooknote.** { *; }
+
+# Google Play Core - prevent R8 from removing these classes
+-dontwarn com.google.android.play.core.splitcompat.SplitCompatApplication
+-dontwarn com.google.android.play.core.splitinstall.SplitInstallException
+-dontwarn com.google.android.play.core.splitinstall.SplitInstallManager
+-dontwarn com.google.android.play.core.splitinstall.SplitInstallManagerFactory
+-dontwarn com.google.android.play.core.splitinstall.SplitInstallRequest$Builder
+-dontwarn com.google.android.play.core.splitinstall.SplitInstallRequest
+-dontwarn com.google.android.play.core.splitinstall.SplitInstallSessionState
+-dontwarn com.google.android.play.core.splitinstall.SplitInstallStateUpdatedListener
+-dontwarn com.google.android.play.core.tasks.OnFailureListener
+-dontwarn com.google.android.play.core.tasks.OnSuccessListener
+-dontwarn com.google.android.play.core.tasks.Task