try - 1

android/app/build.gradle

@@ -67,14 +67,16 @@ android {
             buildConfigField ("String[]", "SUPPORTED_DEVICES", collectSupportedDevicesToArray())
         }
         release {
-            minifyEnabled false
-            shrinkResources false
+            //useProguard true
+            //minifyEnabled false
+            //shrinkResources false
+           // proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
             signingConfig signingConfigs.release
         }
     }
 
     compileOptions {
-        //coreLibraryDesugaringEnabled true
+        coreLibraryDesugaringEnabled true
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
@@ -82,6 +84,7 @@ android {
     kotlinOptions {
         jvmTarget = JavaVersion.VERSION_1_8.toString()
     }
+
 }
 
 flutter {
@@ -89,7 +92,7 @@ flutter {
 }
 
 dependencies {
-    //coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.9'
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.0.9'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
     implementation 'androidx.appcompat:appcompat:1.1.0'
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
@@ -99,26 +102,28 @@ dependencies {
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
 
     //m4bank dependencies
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
     implementation deps.zlibrary
-    implementation deps.hardware.terminalCommon.values()
-    implementation deps.hardware.aisino.aisino_common
-    implementation deps.hardware.aisino.vm20.values()
-    implementation deps.hardware.wangpos.values()
-    implementation deps.hardware.roam.values()
-    implementation deps.hardware.spirelib
-    implementation deps.hardware.icmp.values()
+
+//    implementation deps.hardware.aisino.aisino_common
+//    implementation deps.hardware.aisino.vm20.values()
+//    implementation deps.hardware.wangpos.values()
+//    implementation deps.hardware.roam.values()
+//    implementation deps.hardware.spirelib
+//    implementation deps.hardware.icmp.values()
     implementation deps.hardware.atol.values()
-    if (buildType.buildType == 'NFC') {
+    implementation deps.hardware.terminalCommon.values()
+    //if (buildType.buildType == 'NFC') {
         implementation deps.hardware.softpos.softpaylibrary
         implementation deps.hardware.softpos.softpay_dependencies
-    } else {
-        implementation deps.hardware.aisino.a90.values()
-    }
+    //} else {
+    //    implementation deps.hardware.aisino.a90.values()
+    //}
 
-    implementation deps.hardware.shtrih.values()
-    implementation deps.hardware.redlib
-    implementation deps.hardware.sunmi
-    implementation deps.hardware.d200lib
+//    implementation deps.hardware.shtrih.values()
+//    implementation deps.hardware.redlib
+//    implementation deps.hardware.sunmi
+//    implementation deps.hardware.d200lib
 
     //Implementation okhhtp library
     implementation deps.okhttp.values()
@@ -135,7 +140,6 @@ dependencies {
     implementation deps.timber
     implementation deps.paperdb
     implementation deps.greendao
-
     implementation deps.retro_stream
 
     implementation deps.websockets // Only for useWebsockets parameter

android/app/proguard-rules.pro

@@ -0,0 +1,26 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\android_sdk\sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+#Flutter Wrapper
+-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.**  { *; }
+#M4Bank Wrapper
+-keep class java9.util.stream.**  { *; }

android/app/src/main/AndroidManifest.xml

@@ -19,7 +19,9 @@
         android:icon="@mipmap/ic_launcher"
         android:label="Аман Касса"
         android:roundIcon="@mipmap/ic_launcher_rounded"
-        android:usesCleartextTraffic="true">
+        android:usesCleartextTraffic="true"
+        android:networkSecurityConfig="@xml/network_security_config"
+        >
         <activity android:name=".activities.BankActivity" android:theme="@android:style/Theme.Black.NoTitleBar"></activity>
         <activity android:name=".bank.M4BankActivity" android:theme="@android:style/Theme.Light.NoTitleBar"></activity>
         <activity

android/app/src/main/java/kz/com/aman/kassa/bank/CloseDayCallbackHandlerImpl.java

@@ -2,7 +2,7 @@ package kz.com.aman.kassa.bank;
 
 import android.widget.Toast;
 
-import com.landicorp.uns.result;
+//import com.landicorp.uns.result;
 
 import java.util.List;
 

android/app/src/main/res/xml/network_security_config.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<network-security-config>
+    <!--Set application-wide security config using base-config tag.-->
+    <base-config cleartextTrafficPermitted="true"/>
+</network-security-config>

android/build.gradle

@@ -7,6 +7,7 @@ buildscript {
 
     dependencies {
         classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'org.greenrobot:greendao-gradle-plugin:3.2.2' // add plugin
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }