thanks for the response. I am doing what you suggest. but it's still the same.
I debug this line of code using android log Chars := Env^.GetStringChars(Env, AJString, nil); __android_log_write(ANDROID_LOG_DEBUG,'proj_debug',PChar(Chars)); and the log I retrieved : 04-26 17:53:17.942: DEBUG/proj_debug(711): e <--- only "e" character from input AJString = eNp9zt0KwjAMBeBXCecBrApeCEmG+iRzdrX+dKMrMn16Y0G8M5Cr75ATbub7jR4+T3FIgtViiUa5VS5xGPsfrA2c8lG5o5NghrJX7ikInqCzYCo5pgCKgq3NJ1x1+KuvqjEVH3yuXGuc3b4oX2knAO2tfgM6fNHEdbb2jGv1DUfmNOA= so I thought, this is not about that. but I do not know why ----- - -- View this message in context: http://free-pascal-general.1045716.n5.nabble.com/android-JNI-JString-to-String-tp4340388p4340649.html Sent from the Free Pascal - General mailing list archive at Nabble.com. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal