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update at 2022-02-24 11:03:22 by ehlxr

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This commit is contained in:
ehlxr
2022-02-24 11:03:22 +08:00
parent c8150fa580
commit 7280cff05a
2 changed files with 55 additions and 27 deletions
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23
mylib/src/lib.rs
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@@ -4,13 +4,32 @@ use jni::JNIEnv;
use std::{sync::mpsc, thread, time::Duration};
#[no_mangle]
pub extern "system" fn Java_me_ehlxr_HelloWorld_fetchNameStr(
pub extern "system" fn Java_me_ehlxr_HelloWorld_getFiled(
env: JNIEnv,
_class: JClass,
input: JObject,
) -> jstring {
let age = env.get_field(input, "age", "I").unwrap().i().unwrap();
println!("get age field: {}", age);
let name: JString = env
.get_field(input, "name", "Ljava/lang/String;")
.unwrap()
.l()
.unwrap()
.into();
println!(
"get name field: {}",
String::from(env.get_string(name).unwrap())
);
let no = env.get_field(input, "no", "J").unwrap().j().unwrap();
// let jstr = env.get_string(JString::from(no)).unwrap();
// println!("get addr field: {}", String::from(jstr));
println!("get no field: {}", no);
let out_str = if let JValue::Object(result) = env
.call_method(input, "getNameStr", "()Ljava/lang/String;", &[])
.call_method(input, "getName", "()Ljava/lang/String;", &[])
.unwrap()
{
let jstr = env.get_string(JString::from(result)).unwrap();