{"id":19752,"date":"2024-01-04T11:06:26","date_gmt":"2024-01-04T03:06:26","guid":{"rendered":"https:\/\/www.zhidianwl.com\/zhidian\/?p=19752"},"modified":"2024-01-04T11:06:26","modified_gmt":"2024-01-04T03:06:26","slug":"rust%e8%83%bd%e5%bc%80%e5%8f%91%e5%ae%89%e5%8d%93app%e5%90%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.com\/zhidian\/2024\/19752\/","title":{"rendered":"rust\u80fd\u5f00\u53d1\u5b89\u5353app\u5417\uff1f"},"content":{"rendered":"

\u5f53\u7136\u53ef\u4ee5\uff01Rust \u662f\u4e00\u95e8\u7528\u4e8e\u7f16\u5199\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u548c\u5b89\u5168\u7684\u7cfb\u7edf\u7f16\u7a0b\u8bed\u8a00\u3002\u5b83\u4e0d\u4ec5\u9002\u7528\u4e8e\u7cfb\u7edf\u7ea7\u7f16\u7a0b\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u7279\u5b9a\u7684\u5e93\u548c\u6846\u67b6\uff0c\u5f00\u53d1 Android \u5e94\u7528\u7a0b\u5e8f\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u4e3a\u4f60\u8be6\u7ec6\u4ecb\u7ecd Rust \u5f00\u53d1 Android \u5e94\u7528\u7684\u539f\u7406\u53ca\u5176\u6b65\u9aa4\u3002<\/p>\n

Rust \u5f00\u53d1 Android \u5e94\u7528\u7a0b\u5e8f\u7684\u539f\u7406\uff1a<\/p>\n

Rust \u901a\u8fc7\u63d0\u4f9b\u4e00\u79cd\u53eb\u4f5c FFI\uff08Foreign Function Interface\uff0c\u5916\u90e8\u51fd\u6570\u63a5\u53e3\uff09\u7684\u673a\u5236\uff0c\u5b9e\u73b0\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u7684\u4e92\u64cd\u4f5c\u3002\u8fd9\u610f\u5473\u7740\uff0c\u4f60\u53ef\u4ee5\u7528 Rust \u7f16\u5199\u4e00\u90e8\u5206\u529f\u80fd\uff0c\u7136\u540e\u5c06\u5176\u66b4\u9732\u4e3a C \u52a8\u6001\u5e93\u3002\u800c Android \u7cfb\u7edf\u652f\u6301\u4f7f\u7528 NDK\uff08Android Native Development Kit\uff09\u5f00\u53d1\u672c\u5730\u4ee3\u7801\uff0c\u6700\u7ec8\u8ba9 Kotlin \u6216 Java \u4ee3\u7801\u8c03\u7528\u76f8\u5e94\u7684\u672c\u5730\u63a5\u53e3\u3002<\/p>\n

Rust \u5f00\u53d1 Android \u5e94\u7528\u7a0b\u5e8f\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n

1. \u9996\u5148\uff0c\u4e3a\u4e86\u4f7f\u7528 Rust\uff0c\u4f60\u9700\u8981\u5b89\u88c5\u5b83\u7684\u5f00\u53d1\u73af\u5883\u3002\u53ef\u4ee5\u6309\u7167 Rust \u5b98\u65b9\u7f51\u7ad9\u7684\u6307\u5f15\uff08https:\/\/www.rust-lang.org\/tools\/install\uff09\uff0c\u5b89\u88c5 Rust \u4ee5\u53ca\u76f8\u5173\u5de5\u5177\u3002<\/p>\n

2. \u63a5\u4e0b\u6765\uff0c\u4f60\u9700\u8981\u5b89\u88c5 Android \u5f00\u53d1\u73af\u5883\uff0c\u5e76\u914d\u7f6e NDK\u3002\u53ef\u4ee5\u53c2\u7167 Android \u5b98\u65b9 NDK \u6307\u5357\uff08https:\/\/developer.android.com\/ndk\/guides\uff09\u6765\u914d\u7f6e\u3002<\/p>\n

3. \u521b\u5efa\u4e00\u4e2a\u65b0\u7684 Android \u5de5\u7a0b\uff0c\u7136\u540e\u5728\u9879\u76ee\u7684\u6839\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a `rust` \u7684\u5b50\u76ee\u5f55\u3002\u8fd9\u4e2a\u5b50\u76ee\u5f55\u5c06\u7528\u4e8e\u5b58\u653e Rust \u4ee3\u7801\u53ca\u7f16\u8bd1\u914d\u7f6e\u3002<\/p>\n

4. \u5728 `rust` \u76ee\u5f55\u4e0b\uff0c\u65b0\u5efa\u4e00\u4e2a `Carg\u5b89\u5353APP\u5f00\u53d1<\/a>o.toml` \u6587\u4ef6\uff0c\u7528\u4ee5\u7f16\u5199 Rust \u9879\u76ee\u7684\u6784\u5efa\u914d\u7f6e\u3002\u6587\u4ef6\u5e94\u5305\u542b\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

“`toml<\/p>\n

[package]<\/p>\n

name = “rust_android_jni”<\/p>\n

version = “0.1.0”<\/p>\n

edition = “2018”<\/p>\n

[lib]<\/p>\n

name = “rust_android_jni”<\/p>\n

crate-type = [“cdylib”]<\/p>\n

[dependencies]<\/p>\n

# \u5728\u8fd9\u91cc\u6dfb\u52a0\u4f60\u7684 Rust \u4f9d\u8d56\u5e93<\/p>\n

“`<\/p>\n

5. \u5728 `rust` \u76ee\u5f55\u4e0b\u7684 `src` \u76ee\u5f55\u4e0b\uff0c\u65b0\u5efa\u4e00\u4e2a\u540d\u4e3a `lib.rs` \u7684\u6587\u4ef6\uff0c\u7528\u4e8e\u64b0\u5199\u5e93\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

“`rust<\/p>\n

#![allow(non_snake_case)]<\/p>\n

use std::os::raw::{c_char};<\/p>\n

use std::ffi::{CString, CStr};<\/p>\n

#[no_mangle]<\/p>\n

p<\/p>\n

<\/figure>\n<\/p>\n

ub extern “C” fn Java_com_example_myapp_MainActivity_helloWorld(env: JNIEnv, _: JClass, java_pattern: JString) -> jstring {<\/p>\n

\/\/ \u5728\u8fd9\u91cc\u5b9e\u73b0\u4f60\u7684\u903b\u8f91<\/p>\n

}<\/p>\n

“`<\/p>\n

6. \u7f16\u5199\u4e00\u4e2a `build.rs` \u6587\u4ef6\uff0c\u7528\u4e8e\u7f16\u8bd1 Rust \u4ee3\u7801\u4e3a\u9002\u7528\u4e8e Android \u5e73\u53f0\u7684\u52a8\u6001\u5e93\u3002\u6587\u4ef6\u5e94\u5305\u542b\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

“`rust<\/p>\n

fn main() {<\/p>\n

let target = std::env::var(“TARGET”).unwrap();<\/p>\n<\/p>\n

if target.contains(“android”) {<\/p>\n

let ndk_path = std::env::var(“ANDROID_NDK_HOME”).unwrap();<\/p>\n

let mut command = std::process::Command::new(“rustup”);<\/p>\n

com\u5b89\u5353app\u5f00\u53d1\u5de5\u5177<\/a>mand.arg(“target”).arg(“add”).arg(&target);<\/p>\n

if !command.status().is_ok() {<\/p>\n

std::process::exit(1);<\/p>\n

}<\/p>\n

let mut command = std::process::Command::new(“cargo”);<\/p>\n

command.arg(“build”).arg(“–target”).arg(&target);<\/p>\n

if !command.status().is_ok() {<\/p>\n

std::process::exit(1);<\/p>\n

}<\/p>\n

}<\/p>\n

}<\/p>\n

“`<\/p>\n

7. \u4fee\u6539 Android \u9879\u76ee\u7684 `build.gradle` \u6587\u4ef6\uff0c\u6dfb\u52a0\u5bf9 NDK \u4ee5\u53ca\u76f8\u5173\u8bbe\u7f6e\u7684\u5f15\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n

“`groovy<\/p>\n

android {<\/p>\n

\/\/…<\/p>\n

defaultConfig {<\/p>\n

\/\/…<\/p>\n

externalNativeBuild {<\/p>\n

cmake {<\/p>\n

cppFlags “”<\/p>\n

}<\/p>\n

}<\/p>\n

}<\/p>\n

externalNativeBuild {<\/p>\n

cmake {<\/p>\n

path “CMakeLists.txt”<\/p>\n

version “3.10.2”<\/p>\n

}<\/p>\n

}<\/p>\n

\/\/…<\/p>\n

}<\/p>\n

“`<\/p>\n

8. \u521b\u5efa\u4e00\u4e2a\u540d\u4e3a `CMakeLists.txt` \u7684\u6587\u4ef6\uff0c\u8be5\u6587\u4ef6\u5c06\u7528\u4e8e\u7f16\u8bd1 Rust \u8f93\u51fa\u7684\u52a8\u6001\u5e93\u3002\u6587\u4ef6\u5e94\u5305\u542b\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n

“`<\/p>\n

cmake_minimum_required(VERSION 3.4.1)<\/p>\n

add_library(rust_android_jni SHARED IMPORTED)<\/p>\n

set_target_properties(<\/p>\n

rust_android_jni<\/p>\n

PROPERTIES IMPORTED_LOCATION<\/p>\n

${CMAKE_SOURCE_DIR}\/..\/..\/..\/rust\/target\/${ANDROID_ABI}\/librust_android_jni.so<\/p>\n

)<\/p>\n

“`<\/p>\n

9. \u7f16\u5199 Kotlin \u6216 Java \u4ee3\u7801\u6765\u8c03\u7528 Rust \u52a8\u6001\u5e93\uff1a<\/p>\n

“`java<\/p>\n

class MainActivity : AppCompatActivity() {<\/p>\n

\/\/ \u52a0\u8f7d Rust \u4ee3\u7801<\/p>\n

init {<\/p>\n

System.loadLibrary(“rust_android_jni”)<\/p>\n

}<\/p>\n

\/\/ \u58f0\u660e Rust \u4ee3\u7801\u51fd\u6570\u539f\u578b<\/p>\n

private external fun helloWorld(pattern: String): String<\/p>\n

\/\/ \u4f7f\u7528 Rust \u4ee3\u7801<\/p>\n

fun useRustCode() {<\/p>\n

val result = helloWorld(“Hello, %s”)<\/p>\n

Log.d(“Rust Android App”, result) \/\/ \u6253\u5370 Rust \u8fd4\u56de\u7684\u6d88\u606f\uff0c<\/p>\n

}<\/p>\n

}<\/p>\n

“`<\/p>\n

\u5b8c\u6210\u4e0a\u8ff0\u6b65\u9aa4\u540e\uff0c\u4f60\u5e94\u8be5\u53ef\u4ee5\u6210\u529f\u5728 Android \u90e8\u7f72\u3001\u8fd0\u884c\u4f7f\u7528 Rust \u7f16\u5199\u7684\u529f\u80fd\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u867d\u7136\u8fc7\u7a0b\u8f83\u4e3a\u590d\u6742\uff0c\u4f46\u53ef\u4ee5\u5c06 Rust \u4e0e Android \u65e0\u7f1d\u5730\u96c6\u6210\uff0c\u4ece\u800c\u5145\u5206\u53d1\u6325 Rust \u8bed\u8a00\u7684\u9ad8\u6027\u80fd\u3001\u5b89\u5168\u6027\u53ca\u591a\u5e73\u53f0\u652f\u6301\u4f18\u52bf\u3002 \u5728\u4e86\u89e3\u4e86\u8fd9\u4e2a\u57fa\u672c\u6d41\u7a0b\u4e4b\u540e\uff0c\u4f60\u8fd8\u53ef\u4ee5\u901a\u8fc7\u8bb8\u591a\u5176\u4ed6\u5e93\u548c\u6846\u67b6\uff08\u5982 wasm\uff0cfltk-rs\uff0crnative \u7b49\uff09\u6765\u8fdb\u4e00\u6b65\u62d3\u5c55\u548c\u4f18\u5316 Android \u4e2d Rust \u4ee3\u7801\u7684\u4f7f\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5f53\u7136\u53ef\u4ee5\uff01Rust \u662f\u4e00\u95e8\u7528\u4e8e\u7f16\u5199\u9ad8\u6027\u80fd\u3001\u53ef\u9760\u548c\u5b89\u5168\u7684\u7cfb\u7edf\u7f16\u7a0b\u8bed\u8a00\u3002\u5b83\u4e0d\u4ec5\u9002\u7528\u4e8e\u7cfb\u7edf\u7ea7\u7f16\u7a0b\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u7279\u5b9a\u7684\u5e93\u548c\u6846\u67b6\uff0c\u5f00\u53d1 Android \u5e94\u7528\u7a0b\u5e8f\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u4e3a\u4f60\u8be6\u7ec6\u4ecb\u7ecd Rust \u5f00\u53d1 A<\/p>\n","protected":false},"author":14,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[81,25061,14,171,22064],"class_list":["post-19752","post","type-post","status-publish","format-standard","hentry","category-zuoapp","tag-81","tag-app","tag-14","tag-171"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/19752","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/users\/14"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/comments?post=19752"}],"version-history":[{"count":1,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/19752\/revisions"}],"predecessor-version":[{"id":19774,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/19752\/revisions\/19774"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/media?parent=19752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/categories?post=19752"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/tags?post=19752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}