prepared android app for release

.gitignore

@@ -36,6 +36,8 @@ build/
 **/android/gradlew.bat
 **/android/local.properties
 **/android/**/GeneratedPluginRegistrant.java
+**/android/key.properties
+**/android/key.jks
 
 # iOS/XCode related
 **/ios/**/*.mode1v3

android/app/build.gradle

@@ -24,6 +24,12 @@ if (flutterVersionName == null) {
 apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
+def keystoreProperties = new Properties()
+def keystorePropertiesFile = rootProject.file('key.properties')
+if (keystorePropertiesFile.exists()) {
+    keystoreProperties.load(new FileInputStream(keystorePropertiesFile))
+}
+
 android {
     compileSdkVersion 27
 
@@ -41,11 +47,22 @@ android {
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
     }
 
+    signingConfigs {
+        release {
+            keyAlias keystoreProperties['keyAlias']
+            keyPassword keystoreProperties['keyPassword']
+            storeFile file(keystoreProperties['storeFile'])
+            storePassword keystoreProperties['storePassword']
+        }
+    }
     buildTypes {
         release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
+            signingConfig signingConfigs.release
+
+            minifyEnabled true
+            useProguard true
+
+            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.**  { *; }

android/app/src/main/AndroidManifest.xml

@@ -1,17 +1,7 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.akshathjain.nashuproar">
 
-    <!-- The INTERNET permission is required for development. Specifically,
-         flutter needs it to communicate with the running application
-         to allow setting breakpoints, to provide hot reload, etc.
-    -->
     <uses-permission android:name="android.permission.INTERNET"/>
-
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
-         calls FlutterMain.startInitialization(this); in its onCreate method.
-         In most cases you can leave this as-is, but you if you want to provide
-         additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
     <application
         android:name="io.flutter.app.FlutterApplication"
         android:label="The Uproar"
@@ -23,10 +13,6 @@
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">
-            <!-- This keeps the window background of the activity showing
-                 until Flutter renders its first frame. It can be removed if
-                 there is no splash screen (such as the default splash screen
-                 defined in @style/LaunchTheme). -->
             <meta-data
                 android:name="io.flutter.app.android.SplashScreenUntilFirstFrame"
                 android:value="true" />

android/gradle.properties

@@ -1 +1,2 @@
 org.gradle.jvmargs=-Xmx1536M
+extra-gen-snapshot-options=--obfuscate

pubspec.yaml

@@ -7,7 +7,7 @@ description: A new Flutter project.
 # Both the version and the builder number may be overridden in flutter
 # build by specifying --build-name and --build-number, respectively.
 # Read more about versioning at semver.org.
-version: 1.0.0
+version: 1.0.0+1 # the 1.0.0 is the version name, the stuff after the + is the version code
 
 environment:
   sdk: ">=2.0.0-dev.68.0 <3.0.0"