Apps Maps - NoClassDefFoundError: android.security.MessageDigest

[hussanhijazi]

Hi, i have an app with google maps, but some devices i have this problem:

java.lang.NoClassDefFoundError: android.security.MessageDigest
at com.google.android.maps.KeyHelper.getSignatureFingerprint(KeyHelper.java:60)
at com.google.android.maps.MapActivity.createMap(MapActivity.java:552)
at com.google.android.maps.MapActivity.onCreate(MapActivity.java:422)
at br.xxx.com.app.xxx.xxx.onCreate(xxxx.java:144)
at android.app.Activity.performCreate(Activity.java:4492)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
at android.app.ActivityThread.access$600(ActivityThread.java:123)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:4424)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
at dalvik.system.NativeStart.main(Native Method)

How i can solve this? thanks