Merge branch 'dev'

Author: urmilshroff

.gitignore

@@ -68,3 +68,4 @@
 !**/ios/**/default.pbxuser
 !**/ios/**/default.perspectivev3
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
+android/key.properties

android/app/build.gradle

@@ -65,6 +65,7 @@ android {
            signingConfig signingConfigs.release
            minifyEnabled false
            useProguard false
+           proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
 }

android/app/proguard-rules.pro

@@ -0,0 +1,7 @@
+## 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.**  { *; }