修复Android脑图无法打开的bug

o2android/app/build.gradle

@@ -116,6 +116,9 @@ android {
                                     BAIDU_SPEECH_APPKEY: project.baiduSpeechAppKey,
                                     BAIDU_MAP_APPKEY   : project.baiduMapAppKey,
                                     BUGLY_APPID        : project.buglyAppId]
+            zipAlignEnabled true
+            minifyEnabled true
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
         release {
             signingConfig signingConfigs.release

o2android/app/proguard-rules.pro

@@ -558,3 +558,9 @@
 
 -keep class **JNI* {*;}
 
+-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.**  { *; }

o2android/app/src/main/java/net/zoneland/x/bpm/mobile/v1/zoneXBPM/app/im/O2ChatActivity.kt

@@ -30,7 +30,7 @@ import net.zoneland.x.bpm.mobile.v1.zoneXBPM.model.bo.api.im.IMConversationInfo
 class O2ChatActivity : BaseMVPActivity<O2ChatContract.View, O2ChatContract.Presenter>(), O2ChatContract.View {
 
     companion object {
-        val con_id_key = "con_id_key"
+        const val con_id_key = "con_id_key"
         fun startChat(activity: Activity, conversationId: String) {
             val bundle = Bundle()
             bundle.putString(con_id_key, conversationId)