diff --git a/app/build.gradle b/app/build.gradle
index 0ec48d16..3cbabe5e 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -9,8 +9,8 @@ android {
     defaultConfig {
         minSdkVersion rootProject.minSdkVersion
         targetSdkVersion rootProject.targetSdkVersion
-        versionCode 39
-        versionName "1.0"
+        versionCode 40
+        versionName "1.0.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
     buildTypes {
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index b1f1b7a7..ad45b37e 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -1,6 +1,5 @@
 # Add project specific ProGuard rules here.
 # By default, the flags in this file are appended to flags specified
-# in /home/tuska/Android/Sdk/tools/proguard/proguard-android.txt
 # You can edit the include path and order by changing the proguardFiles
 # directive in build.gradle.
 #
@@ -15,6 +14,120 @@
 #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
 #   public *;
 #}
+
+#dont generate complex names
+-dontusemixedcaseclassnames
+
+#dont skip non public classes
+-dontskipnonpubliclibraryclasses
+
+#dont verify during compilation as after java6 they are already verified,to reduce process time remove it
+-dontpreverify
+
+#Describe more info during processing,for eg,if exception occur,full stack trace will be printed.
+-verbose
+
+#optimization criteria set
+-optimizations !code/simplification/arithmetic,!field/*,!class/merging/*
+
+#all files removed by default,if they are not mentioned in keep,to avoid that using this tag
+-dontshrink
+
+#dont optimize the code
+-dontoptimize
+
+-keepattributes EnclosingMethod
+
+#to avoid obfuscation of code
+#-dontobfuscate
+
+#upgrade version of class files
+#-target 1.6
+#-ignorewarnings
+
+#For crashlytics
+-keepattributes *Annotation*
+-keepattributes SourceFile,LineNumberTable
+-keep public class * extends java.lang.Exception
+-keepattributes Signature
+-keepattributes Exceptions
+
+-ignorewarnings
+
+-keep class * {
+    public private *;
+}
+
+#Keep classes that are referenced on the AndroidManifest
+-keep public class * extends android.app.Activity
+-keep public class * extends androidx.appcompat.app.AppCompatActivity
+-keep public class * extends android.app.Application
+-keep public class * extends android.app.Service
+-keep public class * extends android.content.BroadcastReceiver
+-keep public class * extends android.content.ContentProvider
+-keep public class com.android.vending.licensing.ILicensingService
+-keep public class * extends android.app.Application
+
+-keepclassmembers class rx.internal.util.unsafe.*ArrayQueue*Field* {
+    long producerIndex;
+    long consumerIndex;
+}
+-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueProducerNodeRef {
+    rx.internal.util.atomic.LinkedQueueNode producerNode;
+}
+-keepclassmembers class rx.internal.util.unsafe.BaseLinkedQueueConsumerNodeRef {
+    rx.internal.util.atomic.LinkedQueueNode consumerNode;
+}
+
+
+#avoid changing name of methods on layout onclick
+-keepclassmembers class * {
+ public void onClickButton(android.view.View);
+}
+
+#avoid native methods(if any)
+-keepclasseswithmembernames class * {
+    native <methods>;
+}
+
+#To maintain custom components names that are used on layouts XML
+-keep public class custom.components.package.and.name.**
+
+#To maintain custom components names that are used on layouts XML
+-keep public class * extends android.view.View {
+    public <init>(android.content.Context);
+    public <init>(android.content.Context, android.util.AttributeSet);
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+    public void set*(...);
+}
+
+-keepclasseswithmembers class * {
+    public <init>(android.content.Context, android.util.AttributeSet);
+}
+
+-keepclasseswithmembers class * {
+    public <init>(android.content.Context, android.util.AttributeSet, int);
+}
+
+-keepclassmembers enum * {
+    public static **[] values();
+    public static ** valueOf(java.lang.String);
+}
+
+#To keep parcelable classes (to serialize - deserialize objects to sent through Intents)
+-keep class * implements android.os.Parcelable {
+  public static final android.os.Parcelable$Creator *;
+}
+
+#keep R file
+-keepclassmembers class **.R$* {
+    public static <fields>;
+}
+
+-keepattributes InnerClasses
+-dontoptimize
+-dontwarn InnerClasses
+
 -keep class com.google.oauth-client.** { *; }
 -keep class com.google.http-client.** { *; }
 -ignorewarnings
\ No newline at end of file