Java – Proguard returned error code 1. (com.google.android.gms)

Proguard returned error code 1. (com.google.android.gms)… here is a solution to the problem.

Proguard returned error code 1. (com.google.android.gms)

When I want to sign (import) my project, I get proguard error code 1:

[2016-06-14 21:26:30 - myapp] Proguard returned with error code 1. See console
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw$zza: can't find superclass or interface org.apache.http.client.methods.HttpEntityEnclosingRequestBase
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzac: can't find referenced class android.net.http.AndroidHttpClient
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzac: can't find referenced class android.net.http.AndroidHttpClient
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.Header
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.Header
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.StatusLine
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.impl.cookie.DateUtils
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.impl.cookie.DateUtils
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.Header
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.Header
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.StatusLine
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.StatusLine
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.StatusLine
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.HttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.Header
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzt: can't find referenced class org.apache.http.Header
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.HttpClient
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpDelete
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpEntityEnclosingRequestBase
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpGet
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpHead
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpOptions
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpPost
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpPut
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpTrace
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpUriRequest
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.entity.ByteArrayEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced method 'void addHeader(java.lang.String,java.lang.String)' in class com.google.android.gms.internal.zzw$zza
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpDelete
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpEntityEnclosingRequestBase
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpGet
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpHead
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpOptions
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpPost
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpPost
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpPost
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpPut
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpPut
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpTrace
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.entity.ByteArrayEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.HttpClient
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpUriRequest
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpUriRequest
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.HttpClient
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.HttpClient
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpUriRequest
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpUriRequest
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpUriRequest
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpUriRequest
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpEntityEnclosingRequestBase
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpEntityEnclosingRequestBase
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw: can't find referenced class org.apache.http.client.methods.HttpUriRequest
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw$zza: can't find referenced class org.apache.http.client.methods.HttpEntityEnclosingRequestBase
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw$zza: can't find referenced method 'void setURI(java.net.URI)' in class com.google.android.gms.internal.zzw$zza
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzw$zza: can't find referenced class org.apache.http.client.methods.HttpEntityEnclosingRequestBase
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzx: can't find referenced class org.apache.http.impl.cookie.DateParseException
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzx: can't find referenced class org.apache.http.impl.cookie.DateUtils
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzx: can't find referenced class org.apache.http.impl.cookie.DateUtils
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzy: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzy: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.ProtocolVersion
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.entity.BasicHttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.message.BasicHeader
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.message.BasicHttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.message.BasicStatusLine
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.ProtocolVersion
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.entity.BasicHttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.entity.BasicHttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.entity.BasicHttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.entity.BasicHttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.entity.BasicHttpEntity
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.message.BasicHeader
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.message.BasicHttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.message.BasicHttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.message.BasicHttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.message.BasicStatusLine
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.HttpResponse
[2016-06-14 21:26:30 - myapp] Warning: com.google.android.gms.internal.zzz: can't find referenced class org.apache.http.HttpEntity
[2016-06-14 21:26:30 - myapp]       You should check if you need to specify additional program jars.
[2016-06-14 21:26:30 - myapp] Warning: there were 87 unresolved references to classes or interfaces.
[2016-06-14 21:26:30 - myapp]          You may need to specify additional library jars (using '-libraryjars').
[2016-06-14 21:26:30 - myapp] Warning: there were 2 unresolved references to program class members.
[2016-06-14 21:26:30 - myapp]          Your input classes appear to be inconsistent.
[2016-06-14 21:26:30 - myapp]          You may need to recompile them and try again.
[2016-06-14 21:26:30 - myapp]          Alternatively, you may have to specify the option
[2016-06-14 21:26:30 - myapp]          '-dontskipnonpubliclibraryclassmembers'.
[2016-06-14 21:26:30 - myapp] java.io.IOException: Please correct the above warnings first.
[2016-06-14 21:26:30 - myapp]     at proguard. Initializer.execute(Initializer.java:321)
[2016-06-14 21:26:30 - myapp]     at proguard. ProGuard.initialize(ProGuard.java:211)
[2016-06-14 21:26:30 - myapp]     at proguard. ProGuard.execute(ProGuard.java:86)
[2016-06-14 21:26:30 - myapp]     at proguard. ProGuard.main(ProGuard.java:492)

So here’s my whole page

proguard-project.txt

# This is a configuration file for ProGuard.
# http://proguard.sourceforge.net/index.html#manual/usage.html
-dontusemixedcaseclassnames
-dontskipnonpubliclibraryclasses
-verbose

# Optimization is turned off by default. Dex does not like code run
# through the ProGuard optimize and preverify steps (and performs some
# of these optimizations on its own).
#-dontoptimize
#-dontpreverify

# If you want to enable optimization, you should include the
# following:
-optimizations !code/simplification/arithmetic,!code/simplification/cast,!field/*,!class/merging/*
-optimizationpasses 5
-allowaccessmodification
#
# Note that you cannot just include these flags in your own
# configuration file; if you are including this file, optimization
# will be turned off. You'll need to either edit this file, or
# duplicate the contents of this file and remove the include of this
# file from your project's proguard.config path property.

-keep public class * extends android.app.Activity
-keep public class * extends android.app.Application
-keep public class * extends android.app.Service
-keep public class * extends android.content.BroadcastReceiver
-keep public class * extends android.content.ContentProvider
-keep public class * extends android.app.backup.BackupAgent
-keep public class * extends android.preference.Preference
-keep public class * extends android.support.v4.app.Fragment
-keep public class * extends android.support.v4.app.DialogFragment
-keep public class * extends com.actionbarsherlock.app.SherlockListFragment
-keep public class * extends com.actionbarsherlock.app.SherlockFragment
-keep public class * extends com.actionbarsherlock.app.SherlockFragmentActivity
-keep public class * extends android.app.Fragment
-keep public class com.android.vending.licensing.ILicensingService

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

-keep public class * extends android.view.View {
 public <init>(android.content.Context);
 public <init>(android.content.Context, android.util.AttributeSet);
 public <init>(android.content.Context, android.util.AttributeSet, int);
 public void set*(...);
}

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

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

-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);
}

-keep class * implements android.os.Parcelable {
 public static final android.os.Parcelable$Creator *;
}

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

-keep class android.support.v4.app.** { *; }
-keep interface android.support.v4.app.** { *; }
-keep class com.actionbarsherlock.** { *; }
-keep interface com.actionbarsherlock.** { *; }
# The support library contains references to newer platform versions.
# Don't warn about those in case this app is linking against an older
# platform version. We know about them, and they are safe.
-dontwarn android.support.**
-dontwarn com.google.ads.**

How do I fix this? Is there anything I’m missing?

Solution

Try to prevent play services to obfuscate form proguard.

-keep class com.google.android.gms.** { *; }
-dontwarn com.google.android.gms.**

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