no field with name='mNativeData' signature='J' in class Lcom/googlecode/tesseract/android/TessBaseAPI;

[schrieveslaach]

I'm trying to create TessBaseAPI on a Nexus 7 with Cyanogenmod 11 (Android 4.4.4). When the constructor gets called I get an exception:

java.lang.NoSuchFieldError: no field with name='mNativeData' signature='J' in class Lcom/googlecode/tesseract/android/TessBaseAPI;
    at com.googlecode.tesseract.android.TessBaseAPI.nativeClassInit(Native Method)
    at com.googlecode.tesseract.android.TessBaseAPI.<clinit>(TessBaseAPI.java:48)

Do you have any ideas?

[schrieveslaach]

OK, I found the issue. It was related to proguard. Maybe you can add an example proguard configuration file to the README.md. Here is mine:

-dontwarn com.googlecode.tesseract.**
-keep class com.googlecode.tesseract.** {
    *;
}

[rmtheis]

There's already a Proguard config file but apparently your project setup didn't pick it up.

I want to see if using consumerProguardFiles instead of proguardFiles in the build.gradle for this project helps the situation. Needs investigation.