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I am trying to run Proguard on my Android app and running into issues.
I am using SpongyCastle jar (copy and past of full bouncy castle with package renamed so it does not conflict with androids bouncy castle built in version)
When running proguard I see the following
How do I fix this? Add rt.jar to my libs?
The whole point of proguard is to shrink the code, but I keep adding jars to get around these issues where proguard complains it cannot find a class! Am I missing something?
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.InitialDirContext
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.InitialDirContext
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchControls
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchControls
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchControls
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchControls
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchControls
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.DirContext
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.NamingEnumeration
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.NamingEnumeration
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchResult
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchResult
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.Attributes
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.Attribute
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.Attribute
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.NamingEnumeration
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.DirContext
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.NamingException
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.DirContext
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.NamingEnumeration
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.Attributes
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.DirContext
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.DirContext
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchResult
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.NamingEnumeration
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.SearchControls
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.NamingEnumeration
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.NamingException
[proguard] Warning: org.spongycastle.x509.util.LDAPStoreHelper: can't find referenced class javax.naming.directory.DirContext
[proguard] Note: the configuration refers to the unknown class 'android.app.backup.BackupAgentHelper'
[proguard] Note: the configuration refers to the unknown class 'com.android.vending.licensing.ILicensingService'
[proguard] Note: there were 2 references to unknown classes.
[proguard] You should check your configuration for typos.
[proguard] Warning: there were 57 unresolved references to classes or interfaces.
[proguard] You may need to specify additional library jars (using '-libraryjars'),
[proguard] or perhaps the '-dontskipnonpubliclibraryclasses' option.
UILD FAILED
:\AndroidSDK\android-sdk_r12-windows\android-sdk-windows\tools\ant\build.xml:713: Please correct the above warnings first.
Update
ANT Script
I used android update project --path . to generate the build.xml as the project was created sometime ago and I haven't made any changes
<?xml version="1.0" encoding="UTF-8"?>
<project name="RootActivity" default="help">
<loadproperties srcFile="local.properties" />
<property file="ant.properties" />
<loadproperties srcFile="project.properties" />
<fail message="sdk.dir is missing. Make sure to generate local.properties using 'android update project'" unless="sdk.dir" />
<import file="${sdk.dir}/tools/ant/build.xml" />
</project>
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ProGuard is a free Java app for Android that allows us to do the following: Reduce (minimize) the code: Unused code in the project should be removed. Code obfuscation: Rename the names of classes, fields, and so on. Improve the code: Inline the functions, for example.
The main advantage of ProGuard is that it reduces the application size and optimizes performance.
ProGuard serves three main functions: Shrinking, optimization and obfuscation. It is a free tool that can shrink, optimize, obfuscate and preverify Java class files. ProGuard is used in Android applications as well as large Java applications and libraries. It makes reverse engineering difficult, if not impossible.
Proguard and R8 both are similar tools that are used for reducing the size of our APK and increase the performance of our APK by shrinking the unused resources.
Add the following, -dontwarn javax.naming.** , to your Proguard configuration.
They are just warnings, and ignoring them shouldn't be an issue.
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