| # Copyright 2016 The Chromium Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| # Contains //base flags that we'd like all Chromium .apks to use. Note that |
| # these rules will not be applied to Chromium code that ships in third-party |
| # APKs, e.g. Cronet. |
| |
| # Keep line number information, useful for stack traces. |
| -keepattributes SourceFile,LineNumberTable |
| |
| # Enable protobuf-related optimizations. |
| -shrinkunusedprotofields |
| |
| # Allowing Proguard to change modifiers. |
| -allowaccessmodification |
| |
| # Keep all CREATOR fields within Parcelable that are kept. |
| -keepclassmembers class !cr_allowunused,** implements android.os.Parcelable { |
| public static *** CREATOR; |
| } |
| |
| # Don't obfuscate Parcelables as they might be marshalled outside Chrome. |
| # If we annotated all Parcelables that get put into Bundles other than |
| # for saveInstanceState (e.g. PendingIntents), then we could actually keep the |
| # names of just those ones. For now, we'll just keep them all. |
| -keepnames,allowaccessmodification class !cr_allowunused,** implements android.os.Parcelable {} |
| |
| # Keep all default constructors for used Fragments. Required since they are |
| # called reflectively when fragments are reinflated after the app is killed. |
| -keepclassmembers class !cr_allowunused,** extends android.app.Fragment { |
| public <init>(); |
| } |
| -keepclassmembers class !cr_allowunused,** extends androidx.fragment.app.Fragment { |
| public <init>(); |
| } |
| |
| # This is to workaround crbug.com/1204690 - an old GMS app version crashes when |
| # ObjectWrapper contains > 1 fields, and this prevents R8 from inserting a |
| # synthetic field. |
| -keep,allowaccessmodification class !cr_allowunused,com.google.android.gms.dynamic.ObjectWrapper { |
| <fields>; |
| } |
| |
| # Remove calls to String.format() where the result goes unused. This can mask |
| # exceptions if the parameters to String.format() are invalid, but such cases |
| # are generally programming bugs anyways. |
| # Not using the return value generally occurs due to logging being stripped. |
| -assumenosideeffects class java.lang.String { |
| static java.lang.String format(...); |
| } |
| |
| # Allows R8 to remove static field accesses to library APIs when the results |
| # are unused (E.g. tell it that it's okay to not trigger <clinit>). |
| # Not using the return value generally occurs due to logging being stripped. |
| -assumenosideeffects class android.**, java.** { |
| static <fields>; |
| } |
| |
| # Causes R8 to more agressively optimize ServiceLoader.load() calls, by |
| # assuming no exceptions will be thrown. |
| -assumenosideeffects class java.util.ServiceLoader { |
| static *** load(...); |
| } |
| |
| # Keep the names of exception types, to make it easier to understand stack |
| # traces in contexts where it's not trivial to deobfuscate them - for example |
| # when reported to app developers who are using WebView. |
| -keepnames,allowaccessmodification class ** extends java.lang.Throwable {} |
| |
| # Should be removed once we use Android V SDK. b/336753747 |
| -keep class !cr_allowunused,androidx.privacysandbox.ads.adservices.internal.ContinuationOutcomeReceiver { |
| <methods>; |
| } |