尝试获取字段Id时Android Jni中出现错误
我想得到签名数组,这是PackageInfo的一个字段尝试获取字段Id时Android Jni中出现错误,android,c++,java-native-interface,field,Android,C++,Java Native Interface,Field,我想得到签名数组,这是PackageInfo的一个字段 我的C++代码是(Logd是日志的宏):< /P> 在我的日志中,我收到消息“field Signatures FieldId not found”使用[Landoid/content/pm/Signature;而不是[Landroid.content.pm.Signature;谢谢。 jclass PackageInfoClass = pEnv->FindClass("android/content/pm/PackageInfo")
我的C++代码是(Logd是日志的宏):< /P>
在我的日志中,我收到消息“field Signatures FieldId not found”使用
[Landoid/content/pm/Signature;
而不是[Landroid.content.pm.Signature;
谢谢。
jclass PackageInfoClass = pEnv->FindClass("android/content/pm/PackageInfo");
if(PackageInfoClass == NULL) {
LOGD("class PackageInfoClass not found");
abort();
}
LOGD("class PackageInfoClass found");
jfieldID SignaturesFieldID = pEnv->GetFieldID(PackageInfoClass, "signatures",
"[Landroid.content.pm.Signature;");
if(SignaturesFieldID == NULL) {
LOGD("field SignaturesFieldID not found");
abort();
}
LOGD("field SignaturesFieldID found");