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Android: What are the recommended configurations for Proguard?

Android SDK (r20 or higher) Please check the predefined proguard.config refered in project.properties proguard.config=${sdk.dir}/tools/proguard/proguard-android.txt More info: http://proguard.sourceforge.net/manual/examples.html#androidapplication Here you can check a proguard “default” file that I keep updating: https://medium.com/code-procedure-and-rants/android-my-standard-proguard-ffeceaf65521 Android SDK (r19 or lower) Based on my answer Enabling ProGuard in Eclipse for Android I’ve ended up with this generic file. I’ve added comments … Read more

Android – How to check Proguard obfuscation has worked?

Here is probably a more visual way to check. In the newer release of Android Studio, it comes with the APK Analyser that let user explore what is in the APK file and it is handy to check if your class has been obfuscated. Below image shows that both package and method name have been … Read more

Mopub ads not showing

It is ProGuard indeed. If you don’t want it to “get rid” of Mopub, AdMob and MMedia code entirely, just put the following lines into proguard-project.txt file of your project: -keep class com.google.ads.** {*;} -keep class com.mopub.mobileads.** {*;} -keep class com.millennialmedia.android.** {*;} -keep class com.millennialmedia.google.** {*;}

How to change the proguard mapping file name in gradle for Android project

Simpler solution. applicationVariants.all { variant -> if (variant.getBuildType().isMinifyEnabled()) { variant.assemble.doLast { copy { from variant.mappingFile into “${rootDir}/proguardTools” rename { String fileName -> “mapping-${variant.name}.txt” } } } } }

Android proguard, keep inner class

Try adding InnerClasses to the keep attributes. e.g: -keepattributes Exceptions, InnerClasses, … Also, try adding a body to the “keep” call with an asterisk, like so: -keep class com.xxx.A$* { *; }

Google Drive API doesn’t play well with ProGuard (NPE)

A combination of the following has worked for me: -keep class com.google.** { *;} -keep interface com.google.** { *;} -dontwarn com.google.** -dontwarn sun.misc.Unsafe -dontwarn com.google.common.collect.MinMaxPriorityQueue -keepattributes *Annotation*,Signature -keep class * extends com.google.api.client.json.GenericJson { *; } -keep class com.google.api.services.drive.** { *; } This provided a working proguard compatible solution for a recent Google Drive project. Cannot … Read more

Proguard warnings “can’t write resource [META-INF/MANIFEST.MF] (Duplicate zip entry)”

Possibly a ‘proguard.cfg’ problem. Does it include any ‘-injars’? If your project includes another project as a library, jars can be processed twice. Could you post your ‘proguard.cfg’? Extract from http://proguard.sourceforge.net/index.html#manual/troubleshooting.html: Your input jars contain multiple resource files with the same name. ProGuard continues copying the resource files as usual, skipping any files with previously … Read more

Does proguard work to obfuscate static string constants?

ProGuard doesn’t obfuscate string constants, as mentioned in its FAQ. Its more recent specialized closed-source sibling for Android, DexGuard, provides additional application protection techniques, like string encryption and class encryption. (I am the developer of ProGuard and DexGuard)

Reducing android app (apk) size

So, Why do I see that much increase in my app size, Can it be minimized? Almost solely because of your res folder images! You should have around 4 copies of each image in the drawable-mdpi, -hdpi, xhdpi folders. The only difference is that theu are all different sizes. Is it safer to delete them, … Read more

ProGuard for Android and GSON

I think most of those settings you have there are already included in the Android SDK by default. So you can remove most of them, just leaving in the section devoted to GSON. I am developing in Eclipse using Android SDK Tools 22.6.3 & whatever version of ProGuard ships with that. Here’s what I’m using … Read more