代码如下:
java代码:
打印语句:
GeneratorCode generatorCode = new GeneratorCode();
ret = generatorCode.createpaycode("20150406164710"
"12345655", "");
Log.d("tag", "ret = " + ret);
GeneratorCode类:
public class GeneratorCode {
static {
System.loadLibrary("PayCode");
}
public native String createpaycode(String datetime, String id, String paycode);
}
jni代码:
JNIEXPORT jstring JNICALL Java_com_suning_mobile_epa_scancode_encode_GeneratorCode_createpaycode
(JNIEnv * env,
jobject thiz, jstring datetime, jstring id, jstring paycode) {
char *char_datatime = (*env)->GetStringUTFChars(env, datetime, 0);
char *char_id = (*env)->GetStringUTFChars(env, id, 0);
char *char_paycode = (*env)->GetStringUTFChars(env, paycode, 0);
char *ret = createpaycode(char_datatime, char_id, char_paycode);
return (*env)->NewStringUTF(env, ret);
}
问题现象:
so文件调用通过,ret = 12312312312321(随意值),也会被打印,然后就会抛出
ret = 308639390531814296(先打印这条语句)
Fatal signal 11 (SIGSEGV), code 2, fault addr 0x3234313c in tid 21134 (GL updater) (抛出错误,程序奔溃)