threema-android/app/proguard-project.txt

# To enable ProGuard in your project, edit project.properties
# to define the proguard.config property as described in that file.
#
# Add project specific ProGuard rules here.
# By default, the flags in this file are appended to flags specified
# in ${sdk.dir}/tools/proguard/proguard-android.txt
# You can edit the include path and order by changing the ProGuard
# include property in project.properties.
#
# 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 *;
#}
-dontpreverify
#-flattenpackagehierarchy
-repackageclasses
-optimizationpasses 5
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-dontskipnonpubliclibraryclassmembers
-allowaccessmodification
-verbose

-keeppackagenames ch.threema.**
-keeppackagenames org.saltyrtc.**

-dontnote android.net.http.*
-dontnote org.apache.commons.codec.**
-dontnote org.apache.http.**

# Fix bug on Samsung, Wiko (and other) devices running Android 4.2
# See also: https://code.google.com/p/android/issues/detail?id=78377
# http://stackoverflow.com/questions/24809580/noclassdeffounderror-android-support-v7-internal-view-menu-menubuilder/26641388#26641388
# new version for appcompat >=23.1.1
#-keep class !android.support.v7.view.menu.*MenuBuilder*, android.support.v7.** { *; }
#-keep interface android.support.v7.** { *; }
#-dontwarn android.support.v7.**

# See: https://stackoverflow.com/questions/30562330/using-appcompat-layout-behavior-with-string-appbar-scrolling-view-behavior
#-keep class com.google.android.material.** { *; }
#-keep interface com.google.android.material.** { *; }
#-dontwarn android.support.design.**


# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
-keepclasseswithmembernames class * {
    native <methods>;
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context, android.util.AttributeSet);
}

-keepclasseswithmembers class * {
    public <init>(android.content.Context, android.util.AttributeSet, int);
}

# We want to keep methods in Activity that could be used in the XML attribute onClick
-keepclassmembers class * extends android.app.Activity {
   public void *(android.view.View);
}

# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
-keepclassmembers enum * {
    public static **[] values();
    public static ** valueOf(java.lang.String);
}

# for google play services
-keep class * extends java.util.ListResourceBundle {
    protected java.lang.Object[][] getContents();
}

# Keep SafeParcelable value, needed for reflection. This is required to support backwards
# compatibility of some classes.
-keep public class com.google.android.gms.common.internal.safeparcel.SafeParcelable {
    public static final *** NULL;
}

# Keep the names of classes/members we need for client functionality.
-keepnames @com.google.android.gms.common.annotation.KeepName class *
-keepclassmembernames class * {
    @com.google.android.gms.common.annotation.KeepName *;
}

# config needed for sqlcipher
-keep class * implements android.os.Parcelable {
public static final android.os.Parcelable$Creator *;
}

-keepclassmembers class **.R$* {
public static <fields>;
}

# SQLCipher
-keep,includedescriptorclasses class net.sqlcipher.** { *; }
-keep,includedescriptorclasses interface net.sqlcipher.** { *; }

# for zxing
-keep class com.google.zxing.client.android.camera.open.**
-keep class com.google.zxing.client.android.camera.exposure.**
-keep class com.google.zxing.client.android.common.executor.**

# As described in tools/proguard/examples/android.pro - ignore all warnings.
#-dontwarn android.support.v4.**
# Missing annotations are harmless.
-dontwarn sun.misc.Unsafe
-dontwarn javax.annotation.**
# Ignore invalid constant ref.  See
# https://groups.google.com/d/topic/guava-discuss/YCZzeCiIVoI/discussion
-dontwarn com.google.common.collect.MinMaxPriorityQueue

# threema-specific
-dontwarn org.mockito.**
-dontwarn sun.reflect.**
-dontwarn android.test.**
-dontwarn class.org.junit.**
-dontwarn android.app.**
-dontwarn android.support.**
-dontwarn android.view.**
-dontwarn android.widget.**
-dontwarn com.google.common.primitives.**
-dontwarn **CompatHoneycomb
-dontwarn **CompatHoneycombMR2
-dontwarn **CompatCreatorHoneycombMR2
-dontwarn java.beans.**

# WebRTC fails to build due to missing dependencies
# "Warning: org.webrtc.SoftwareVideoDecoderFactory: can't find referenced class org.webrtc.LibvpxVp8Decoder"
-dontwarn org.webrtc.**

-keepattributes EnclosingMethod
-keepattributes InnerClasses

# remove android log calls below error
-assumenosideeffects class android.util.Log {
    public static *** v(...);
    public static *** d(...);
    public static *** i(...);
    public static *** w(...);
}

# remaining options from proguard-android-optimize.txt
-renamesourcefileattribute SourceFile
-keepattributes *Annotation*,SourceFile,LineNumberTable
-keep public class com.google.android.vending.licensing.ILicensingService

# keep setters in Views so that animations can still work.
# see http://proguard.sourceforge.net/manual/examples.html#beans
-keepclassmembers public class * extends android.view.View {
   void set*(***);
   *** get*();
}

# Jackson
-keepattributes Signature,*Annotation*,EnclosingMethod
-keep class com.fasterxml.jackson.databind.ObjectMapper {
    public <methods>;
    protected <methods>;
}
-keep class com.fasterxml.jackson.databind.ObjectWriter {
    public ** writeValueAsString(**);
}
-keepnames class com.fasterxml.jackson.** { *; }
-keepnames interface com.fasterxml.jackson.** { *; }
-keep class org.codehaus.** { *; }
-dontwarn org.w3c.dom.**
-dontwarn de.tavendo.autobahn.**
-dontwarn com.fasterxml.jackson.databind.ext.PathDeserializer**

# Msgpack
-keep class org.msgpack.core.** { *; }
-keep class org.msgpack.value.** { *; }

# SLF4J
-keep class org.slf4j.**
-dontwarn org.slf4j.impl.StaticMDCBinder
-dontwarn org.slf4j.impl.StaticMarkerBinder
-dontwarn org.slf4j.impl.StaticLoggerBinder
-keepattributes *Annotation*

# WebRTC
-keep class org.webrtc.** { *; }

# Messages are serialized using reflection
-keep class ch.threema.app.webclient.messages.** { *; }

# Keep our own searchview visible
-keep public class * extends androidx.appcompat.widget.SearchView {*;}

# https://stackoverflow.com/questions/44145786/thousands-of-strange-crashes-in-new-google-play-console-version
-keep class * extends android.app.Application {*;}

# from https://github.com/ohmae/preference-activity-compat
-keep public class * extends androidx.preference.PreferenceFragmentCompat

# https://stackoverflow.com/questions/51006967/androidx-build-fails-in-release-mode-regarding-appcomponentfactory
-keep class androidx.core.app.CoreComponentFactory { *; }

# Firebase analytics removal
-dontwarn com.google.firebase.analytics.connector.AnalyticsConnector

# keep camera classes - 1.0.0-alpha03 causes VerifyError in Android 4.4
-keep class androidx.camera.** { *; }

# respect DoNotOptimize annotations in soloader used by mapbox - causes VerifyError in Android 4.4
-keep,allowobfuscation @interface com.facebook.soloader.DoNotOptimize
-keep @com.facebook.soloader.DoNotOptimize class *
-keepclassmembers class * {
    @com.facebook.soloader.DoNotOptimize *;
}

# protobuf uses reflection
-keepclassmembers class * extends com.google.protobuf.GeneratedMessageLite {
  <fields>;
}

# glide image loading
-keep public class * implements com.bumptech.glide.module.GlideModule
-keep class * extends com.bumptech.glide.module.AppGlideModule {
 <init>(...);
}
-keep public enum com.bumptech.glide.load.ImageHeaderParser$** {
  **[] $VALUES;
  public *;
}
-keep class com.bumptech.glide.load.data.ParcelFileDescriptorRewinder$InternalRewinder {
  *** rewind();
}

# For reasons unknown to us, starting with the 4.5 release branch, a release build
# would throw an exception on app start:
#
#   java.lang.VerifyError: Verifier rejected class ch.threema.client.f1:
#     void ch.threema.client.f1.d(ch.threema.client.x0) failed to verify: void ch.threema.client.f1.d(ch.threema.client.x0):
#     [0x1A3] expected to be within a catch-all for an instruction where a monitor is held (declaration of 'ch.threema.client.f1' appears in base.apk)
#
# Adding this line fixes the problem. It's most probably a bug in the R8 optimizer
# that's triggered by this file, the NonceFactory wasn't modified since 2017...
# Maybe we can remove this again with a future build toolchain.
-keep class ch.threema.client.NonceFactory { *; }