Enable r8 optimizations.

app/build.gradle.kts

@@ -343,11 +343,9 @@ android {
         "proguard/proguard-google-play-services.pro",
         "proguard/proguard-jackson.pro",
         "proguard/proguard-sqlite.pro",
-        "proguard/proguard-appcompat-v7.pro",
         "proguard/proguard-square-okhttp.pro",
         "proguard/proguard-square-okio.pro",
         "proguard/proguard-rounded-image-view.pro",
-        "proguard/proguard-glide.pro",
         "proguard/proguard-shortcutbadger.pro",
         "proguard/proguard-retrofit.pro",
         "proguard/proguard-klinker.pro",

app/proguard/proguard-appcompat-v7.pro

@@ -1,13 +0,0 @@
-# https://code.google.com/p/android/issues/detail?id=78377
--keepnames class !android.support.v7.internal.view.menu.**, ** { *; }
-
--keep public class android.support.v7.widget.** { *; }
--keep public class android.support.v7.internal.widget.** { *; }
-
--keep public class * extends android.support.v4.view.ActionProvider {
-    public <init>(android.content.Context);
-}
-
--keepattributes *Annotation*
--keep public class * extends android.support.design.widget.CoordinatorLayout.Behavior { *; }
--keep public class * extends android.support.design.widget.ViewOffsetBehavior { *; }

app/proguard/proguard-glide.pro

@@ -1,6 +0,0 @@
--keep public class * implements com.bumptech.glide.module.GlideModule
--keep public class * extends com.bumptech.glide.AppGlideModule
--keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
-    **[] $VALUES;
-    public *;
-}

app/proguard/proguard-google-play-services.pro

@@ -1,10 +1,6 @@
 ## Google Play Services 4.3.23 specific rules ##
 ## https://developer.android.com/google/play-services/setup.html#Proguard ##
 
--keep class * extends java.util.ListResourceBundle {
-    protected Object[][] getContents();
-}
-
 -keep public class com.google.android.gms.common.internal.safeparcel.SafeParcelable {
     public static final *** NULL;
 }

app/proguard/proguard-retrofit.pro

@@ -1,4 +1,3 @@
 -dontwarn retrofit.**
--keep class retrofit.** { *; }
 -keepattributes Signature
 -keepattributes Exceptions

app/proguard/proguard-sqlite.pro

@@ -1,7 +1,3 @@
--keep class org.sqlite.** { *; }
--keep class org.sqlite.database.** { *; }
-
--keep class net.sqlcipher.** { *; }
 -dontwarn net.sqlcipher.**
 
 -keep class net.zetetic.** { *; }

app/proguard/proguard-square-okhttp.pro

@@ -1,6 +1,4 @@
 # OkHttp
 -keepattributes Signature
 -keepattributes *Annotation*
--keep class com.squareup.okhttp.** { *; }
--keep interface com.squareup.okhttp.** { *; }
 -dontwarn com.squareup.okhttp.**

app/proguard/proguard-square-okio.pro

@@ -1,5 +1,4 @@
 # Okio
--keep class sun.misc.Unsafe { *; }
 -dontwarn java.nio.file.*
 -dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
 -dontwarn okio.**

app/proguard/proguard.cfg

@@ -1,4 +1,5 @@
--dontoptimize
+# Obfuscation is off: libsignal resolves store callbacks via JNI signature and Jackson
+# derives property names from identifiers, neither of which survives renaming.
 -dontobfuscate
 -keepattributes SourceFile,LineNumberTable
 -keep class org.whispersystems.** { *; }