Fix build error

build.gradle

@@ -116,16 +116,17 @@ android {
             resValue "string", "app_name", "osu!droid"
             zipAlignEnabled true
             minifyEnabled true
-            proguardFile 'proguard.cfg'
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard.cfg', 'proguard-kotlin.pro'
             signingConfig signingConfigs.release
         }
 
         pre_release {
             matchingFallbacks = ['release']
             resValue "string", "app_name", "osu!droid"
-            zipAlignEnabled true
-            minifyEnabled true
-            proguardFile 'proguard.cfg'
+            zipAlignEnabled false
+            minifyEnabled false
+            debuggable true
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard.cfg', 'proguard-kotlin.pro'
             signingConfig signingConfigs.release
         }
     }

proguard-kotlin.pro

@@ -0,0 +1,74 @@
+-flattenpackagehierarchy
+-allowaccessmodification
+-keepattributes Exceptions,InnerClasses,Signature,SourceFile,LineNumberTable
+-dontskipnonpubliclibraryclassmembers
+-ignorewarnings
+#kotlin
+-keep class kotlin.** { *; }
+-keep class kotlin.Metadata { *; }
+-dontwarn kotlin.**
+-keepclassmembers class **$WhenMappings {
+    <fields>;
+}
+-keepclassmembers class kotlin.Metadata {
+    public <methods>;
+}
+-assumenosideeffects class kotlin.jvm.internal.Intrinsics {
+    static void checkParameterIsNotNull(java.lang.Object, java.lang.String);
+}
+
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+-keepclassmembers class * extends android.app.Activity {
+   public void *(android.view.View);
+}
+-keepclassmembers class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}
+-keep class **.R$* {*;}
+-keepclassmembers enum * { *;}
+
+#mars
+-keep class com.tencent.mars.** { *; }
+
+#rx
+-keep class rx.internal.util.unsafe.** { *; }
+-keep class android.databinding.** { *; }
+
+#Gson
+-keepclassmembers public class com.google.gson.**
+-keepclassmembers public class com.google.gson.** {public private protected *;}
+-keepclassmembers public class com.project.mocha_patient.login.SignResponseData { private *; }
+-keepclassmembers class sun.misc.Unsafe { *; }
+-keep @interface com.google.gson.annotations.SerializedName
+-keepclassmembers class * {
+    @com.google.gson.annotations.SerializedName <fields>;
+}
+
+-keep class **$Properties {*;}
+
+#Qiniu SDK
+-keep class com.qiniu.**{*;}
+-keep class com.qiniu.**{public <init>();}
+-ignorewarnings
+
+#player
+-keep public class cn.jzvd.JZMediaSystem {*; }
+-keep public class cn.jzvd.demo.CustomMedia.CustomMedia {*; }
+-keep public class cn.jzvd.demo.CustomMedia.JZMediaIjk {*; }
+-keep public class cn.jzvd.demo.CustomMedia.JZMediaSystemAssertFolder {*; }
+
+-keep class tv.danmaku.ijk.media.player.** {*; }
+-dontwarn tv.danmaku.ijk.media.player.*
+-keep interface tv.danmaku.ijk.media.player.** { *; }
+
+# ProGuard configurations for Bugtags
+-keepattributes LineNumberTable,SourceFile
+-keep class com.bugtags.library.** {*;}
+-dontwarn com.bugtags.library.**
+-keep class io.bugtags.** {*;}
+-dontwarn io.bugtags.**
+-dontwarn org.apache.http.**
+-dontwarn android.net.http.AndroidHttpClient

proguard.cfg

@@ -109,4 +109,8 @@
 
 -dontwarn com.tencent.bugly.**
 -keep public class com.tencent.bugly.**{*;}
--keep class android.support.**{*;}
+-keep class android.support.**{*;}
+
+-keep class kotlinx.**
+-keep class kotlin.**
+-keep class libcore.**