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before using EncryptedSharedPreferences my app works fine in release mode with (minifyEnabled = true), After adding the security library (version 1.0.0-rc01) to my application the app crash while opening and if i use (minifyEnabled = false) the app works fine, i think i missing something to add it in proguard-rules.pro but i have searched a lot did not found anything.
998
When you create a new project or module using Android Studio, the IDE creates a <module-dir>/proguard-rules.pro file for you to include your own rules. You can also include additional rules from other files by adding them to the proguardFiles property in your module's build.gradle file.
Using EncryptedSharedPreferences The data stores in the form of key-value pairs. JetSec provides an encrypted version of SharedPreferences , named EncryptedSharedPreferences , that provides strong security while maintaining performance for reading the key-value data. Keys and values can both be encrypted.
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.
Looks like something wrong with Tink obfuscation. My current workaround is add this rule to proguard:
-keep class com.google.crypto.tink.** { *; }
But also keep track of updates of issue here.
UPDATE - 06.01.2020
There is more effective solution (thanks @jtsalva to pointing out):
-keepclassmembers class * extends com.google.crypto.tink.shaded.protobuf.GeneratedMessageLite {
<fields>;
}
UPDATE - 08.19.2020
This issue should now fixed in Version 1.0.0-rc03
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