build: use proguard and remove internet permission in android (#578)

* build: use proguard to reduce package size

* remove intenet permission

* only use intenet permission in debug to connect react server

* update bundle

* format

* Revert "update bundle"

This reverts commit 299cf394.

android/app/build.gradle

@@ -166,8 +166,8 @@ android {
             // Caution! In production, you need to generate your own keystore file.
             // see https://facebook.github.io/react-native/docs/signed-apk-android.
             // signingConfig signingConfigs.debug
-            // minifyEnabled enableProguardInReleaseBuilds
-            // proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
+             minifyEnabled enableProguardInReleaseBuilds
+             proguardFiles getDefaultProguardFile("proguard-android.txt"), "proguard-rules.pro"
         }
     }
     splits {

android/app/proguard-rules.pro

@@ -11,7 +11,7 @@
 
 # Disabling obfuscation is useful if you collect stack traces from production crashes
 # (unless you are using a system that supports de-obfuscate the stack traces).
--dontobfuscate
+# -dontobfuscate
 
 # React Native
 
@@ -20,13 +20,16 @@
 -keep,allowobfuscation @interface com.facebook.proguard.annotations.DoNotStrip
 -keep,allowobfuscation @interface com.facebook.proguard.annotations.KeepGettersAndSetters
 -keep,allowobfuscation @interface com.facebook.common.internal.DoNotStrip
+-keep,allowobfuscation @interface com.facebook.jni.annotations.DoNotStrip
 
 # Do not strip any method/class that is annotated with @DoNotStrip
 -keep @com.facebook.proguard.annotations.DoNotStrip class *
 -keep @com.facebook.common.internal.DoNotStrip class *
+-keep @com.facebook.jni.annotations.DoNotStrip class *
 -keepclassmembers class * {
     @com.facebook.proguard.annotations.DoNotStrip *;
     @com.facebook.common.internal.DoNotStrip *;
+    @com.facebook.jni.annotations.DoNotStrip *;
 }
 
 -keepclassmembers @com.facebook.proguard.annotations.KeepGettersAndSetters class * {
@@ -42,10 +45,7 @@
 -keepclassmembers class *  { @com.facebook.react.uimanager.annotations.ReactPropGroup <methods>; }
 
 -dontwarn com.facebook.react.**
-
-# TextLayoutBuilder uses a non-public Android constructor within StaticLayout.
-# See libs/proxy/src/main/java/com/facebook/fbui/textlayoutbuilder/proxy for details.
--dontwarn android.text.StaticLayout
+-keep,includedescriptorclasses class com.facebook.react.bridge.** { *; }
 
 # okhttp
 

android/app/src/debug/AndroidManifest.xml

 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
-    <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
+    <uses-permission android:name="android.permission.INTERNET" />
     <application android:usesCleartextTraffic="true" tools:targetApi="28" tools:ignore="GoogleAppIndexingWarning" />
 </manifest>

android/app/src/main/AndroidManifest.xml

 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="io.parity.signer">
-
-    <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW"/>
     <uses-permission android:name="android.permission.CAMERA" />
 

android/gradle.properties

@@ -21,5 +21,6 @@ MYAPP_RELEASE_STORE_FILE=apk.keystore
 MYAPP_RELEASE_KEY_ALIAS=testing
 MYAPP_RELEASE_STORE_PASSWORD=testing
 MYAPP_RELEASE_KEY_PASSWORD=testing
+android.enableR8=false
 android.useAndroidX=true
-android.enableJetifier=true
\ No newline at end of file
+android.enableJetifier=true