feat: 构建flutter 基座

android/app/proguard-rules.pro

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+# ============================================
+# 代码混淆和加固配置
+# ============================================
+
+# 优化配置
+-optimizationpasses 5
+-dontusemixedcaseclassnames
+-dontskipnonpubliclibraryclasses
+-verbose
+
+# 移除日志（减少APK大小，提高安全性）
+-assumenosideeffects class android.util.Log {
+    public static *** d(...);
+    public static *** v(...);
+    public static *** i(...);
+    public static *** w(...);
+    public static *** e(...);
+    public static *** println(...);
+}
+
+# ============================================
+# OpenIM SDK混淆规则
+# ============================================
+-keep class io.openim.** { *; }
+-keep class open_im_sdk.** { *; }
+-keep class open_im_sdk_callback.** { *; }
+
+# ============================================
+# Flutter相关（必须保留）
+# ============================================
+-keep class io.flutter.** { *; }
+-keep class io.flutter.plugins.** { *; }
+-keep class io.flutter.embedding.** { *; }
+
+
+# Flutter Engine
+-keep class io.flutter.embedding.engine.** { *; }
+-keep class io.flutter.plugin.common.** { *; }
+
+# ============================================
+# 保持所有native方法
+# ============================================
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+# ============================================
+# 保持所有枚举
+# ============================================
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+# ============================================
+# 保持所有Serializable类
+# ============================================
+-keepclassmembers class * implements java.io.Serializable {
+    static final long serialVersionUID;
+    private static final java.io.ObjectStreamField[] serialPersistentFields;
+    private void writeObject(java.io.ObjectOutputStream);
+    private void readObject(java.io.ObjectInputStream);
+    java.lang.Object writeReplace();
+    java.lang.Object readResolve();
+}
+
+# ============================================
+# 保持反射使用的类
+# ============================================
+-keepattributes Signature
+-keepattributes *Annotation*
+-keepattributes EnclosingMethod
+-keepattributes InnerClasses
+-keepattributes Exceptions
+
+# ============================================
+# 保持Parcelable
+# ============================================
+-keepclassmembers class * implements android.os.Parcelable {
+    public static final android.os.Parcelable$Creator CREATOR;
+}
+
+# ============================================
+# 保持R类（资源类）
+# ============================================
+-keepclassmembers class **.R$* {
+    public static <fields>;
+}
+
+# ============================================
+# 混淆配置（提高安全性）
+# ============================================
+# 混淆类名
+-keepnames class * extends android.app.Activity
+-keepnames class * extends android.app.Application
+-keepnames class * extends android.app.Service
+-keepnames class * extends android.content.BroadcastReceiver
+-keepnames class * extends android.content.ContentProvider
+
+# 保持MainActivity（应用入口）
+-keep class io.openim.flutter.openim.MainActivity { *; }
+
+# ============================================
+# 防止反编译（增强加固）
+# ============================================
+# 移除行号信息（提高安全性，崩溃日志可通过符号文件还原）
+-keepattributes SourceFile
+-renamesourcefileattribute SourceFile
+
+# 移除调试信息
+-assumenosideeffects class * {
+    public static *** print*(...);
+    public static *** println*(...);
+}
+
+# 混淆类名和包名（增强安全性）
+-repackageclasses ''
+-flattenpackagehierarchy ''
+
+# 优化配置（增强混淆效果）
+-optimizationpasses 5
+-allowaccessmodification
+-dontpreverify
+
+# 移除未使用的代码
+-dontwarn **